Release 2.7.17

This reverts commit 8cc44cf79f.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug report
 about: Report a problem in the plugin
 title: ''
-labels: 'Type: Bug'
+labels: 'NEW, Type: Bug'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature request
 about: Suggest an idea
 title: ''
-labels: 'Type: Feature'
+labels: 'NEW, Type: Feature'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/support-question.md

@@ -2,7 +2,7 @@
 name: Support question
 about: Ask help with the setup or usage of the plugin
 title: ''
-labels: 'Type: Support'
+labels: 'NEW, Type: Support'
 assignees: ''
 
 ---

.github/workflows/gradle.yml

@@ -0,0 +1,23 @@
+name: Java CI with Gradle
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+    # Only run on PRs if the source branch is on someone else's repo
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    strategy:
+      matrix:
+        os: ["ubuntu-latest", "windows-latest"]
+    runs-on: "${{ matrix.os }}"
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gradle/wrapper-validation-action@v1.0.4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'zulu'
+          cache: 'gradle'
+      - name: Build with Gradle
+        run: ./gradlew clean build

.gitignore

@@ -1,25 +1,194 @@
-# Maven stuff
-/target
 
-.project
-.metadata
-bin/
-tmp/
-*.tmp
-*.bak
-*.swp
-*~.nib
-local.properties
-.classpath
-.settings/
-.loadpath
+# Created by https://www.toptal.com/developers/gitignore/api/macos,windows,intellij+all,gradle,maven
+# Edit at https://www.toptal.com/developers/gitignore?templates=macos,windows,intellij+all,gradle,maven
 
-# Locally stored "Eclipse launch configurations"
-*.launch
+### Intellij+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij+all Patch ###
+# Ignores the whole .idea folder and all .iml files
+# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
+
+.idea/*
+
+# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
 
-# IntelliJ IDEA
 *.iml
-.idea
-dependency-reduced-pom.xml
+modules.xml
+.idea/misc.xml
+*.ipr
 
-desktop.ini
+# Sonarlint plugin
+.idea/sonarlint
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+### Gradle ###
+.gradle
+build/
+build-cache/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties
+
+### Gradle Patch ###
+**/build/
+
+# End of https://www.toptal.com/developers/gitignore/api/macos,windows,intellij+all,gradle,maven

AreaShop/.gitignore

@@ -1 +0,0 @@
-/target

AreaShop/build.gradle.kts

@@ -0,0 +1,120 @@
+plugins {
+    id("com.github.johnrengelman.shadow") version "8.1.1"
+}
+
+description = "AreaShop"
+
+dependencies {
+    // Platform
+    compileOnlyApi(libs.spigot)
+    compileOnlyApi(libs.worldeditCore) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi(libs.worldeditBukkit) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi(libs.worldguardCore) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi(libs.worldguardBukkit) {
+        exclude("com.google.guava", "guava")
+    }
+    compileOnlyApi("com.github.MilkBowl:VaultAPI:1.7") {
+        exclude("com.google.guava", "guava")
+    }
+
+    // 3rd party libraries
+    api("io.papermc:paperlib:1.0.8")
+    api("com.github.NLthijs48:InteractiveMessenger:e7749258ca")
+    api("com.github.NLthijs48:BukkitDo:819d51ec2b")
+    api("io.github.baked-libs:dough-data:1.2.0")
+    api("com.google.inject:guice:7.0.0") {
+        exclude("com.google.guava", "guava")
+    }
+    api("com.google.inject.extensions:guice-assistedinject:7.0.0") {
+        exclude("com.google.guava", "guava")
+    }
+    implementation("net.kyori:adventure-text-minimessage:4.14.0")
+    implementation("net.kyori:adventure-platform-bukkit:4.3.0")
+    implementation("org.spongepowered:configurate-yaml:4.1.2")
+
+    // Project submodules
+    api(projects.areashopInterface)
+    api(projects.areashopNms)
+    api(projects.adapters.platform.platformInterface)
+    api(projects.adapters.platform.paper)
+
+    if (!providers.environmentVariable("JITPACK").isPresent) {
+        // We don't need these adapters if we are only publishing an api jar
+        runtimeOnly(projects.adapters.plugins.worldedit)
+        runtimeOnly(projects.adapters.plugins.worldguard)
+        runtimeOnly(projects.adapters.plugins.fastasyncworldedit)
+        runtimeOnly(project(":adapters:platform:bukkit-1-17", "reobf"))
+        runtimeOnly(projects.adapters.platform.bukkitModern)
+    }
+    testImplementation("com.github.seeseemelk:MockBukkit-v1.20:3.57.1")
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.10.1")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.10.1")
+}
+
+
+
+repositories {
+    mavenCentral()
+}
+
+tasks {
+    processResources {
+        filesMatching("plugin.yml") {
+            expand("version" to project.version)
+        }
+    }
+
+    assemble {
+        if (!providers.environmentVariable("JITPACK").isPresent) {
+            dependsOn(shadowJar)
+        }
+    }
+
+    jar {
+        archiveBaseName.set("AreaShop")
+        if (!providers.environmentVariable("JITPACK").isPresent) {
+            archiveClassifier.set("original")
+        } else {
+            archiveClassifier.set("")
+        }
+    }
+
+    if (providers.environmentVariable("JITPACK").isPresent) {
+        artifacts {
+            archives(jar)
+        }
+    }
+
+    java {
+        withSourcesJar()
+    }
+
+    val javaComponent = project.components["java"] as AdhocComponentWithVariants
+    javaComponent.withVariantsFromConfiguration(configurations["shadowRuntimeElements"]) {
+        skip()
+    }
+
+    shadowJar {
+        archiveClassifier.set("")
+        base {
+            archiveBaseName.set("AreaShop")
+        }
+        val base = "me.wiefferink.areashop.libraries"
+        relocate("me.wiefferink.interactivemessenger", "${base}.interactivemessenger")
+        relocate("me.wiefferink.bukkitdo", "${base}.bukkitdo")
+        relocate("io.papermc.lib", "${base}.paperlib")
+        relocate("io.github.bakedlibs.dough", "${base}.dough")
+        relocate("com.google.inject", "${base}.inject")
+        relocate("com.google.errorprone", "${base}.errorprone")
+        relocate("org.aopalliance", "${base}.aopalliance")
+        relocate("javax.annotation", "${base}.javax.annotation")
+        relocate("jakarta.inject", "${base}.jakarta.inject")
+        relocate("org.jetbrains.annotations", "${base}.jetbrains.annotations")
+    }
+}

AreaShop/pom.xml

@@ -1,311 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>areashop</artifactId>
-    <packaging>jar</packaging>
-    <name>AreaShop</name>
-    <version>2.6.0</version> <!-- Main plugin version -->
-
-    <parent>
-        <groupId>me.wiefferink</groupId>
-        <artifactId>areashop-parent</artifactId>
-        <version>parent</version>
-    </parent>
-
-    <dependencies>
-        <!-- Bukkit, AreaShop aims to support 1.7.9+ -->
-        <dependency>
-            <groupId>org.bukkit</groupId>
-            <artifactId>craftbukkit</artifactId>
-            <scope>system</scope>
-            <version>any</version>
-            <systemPath>${project.basedir}/../dependencies/craftbukkit-1.7.9-R0.2-SNAPSHOT.jar</systemPath>
-            <type>jar</type>
-            <optional>true</optional>
-        </dependency>
-
-        <!-- InteractiveMessenger library -->
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>interactivemessenger</artifactId>
-            <version>1.1-SNAPSHOT</version>
-        </dependency>
-
-        <!-- BukkitDo library -->
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>bukkitdo</artifactId>
-            <version>1.0.0-SNAPSHOT</version>
-        </dependency>
-
-        <!-- WorldEdit/WorldGuard -->
-        <dependency>
-            <groupId>com.sk89q</groupId>
-            <artifactId>worldedit</artifactId>
-            <scope>system</scope>
-            <version>any</version>
-            <systemPath>${project.basedir}/../dependencies/worldedit-bukkit-7.0.0-beta-04.jar</systemPath>
-        </dependency>
-        <dependency>
-            <groupId>com.sk89q</groupId>
-            <artifactId>worldguard</artifactId>
-            <scope>system</scope>
-            <version>any</version>
-            <systemPath>${project.basedir}/../dependencies/worldguard-legacy-7.0.0-beta-02.jar</systemPath>
-        </dependency>
-
-        <!-- Interfaces that specific WorldGuard and WorldEdit versions are built against -->
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-interface</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-
-        <!-- WorldGuard implementations -->
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldguard-5</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldguard-6</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldguard-6_1_3</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldguard-7_beta_1</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldguard-7_beta_2</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-
-        <!-- WorldEdit implementations -->
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldedit-5</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldedit-6</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldedit-7_beta_1</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-worldedit-7_beta_4</artifactId>
-            <version>latest</version>
-        </dependency>
-        <dependency>
-            <groupId>me.wiefferink</groupId>
-            <artifactId>areashop-fastasyncworldedit</artifactId>
-            <version>latest</version>
-            <type>jar</type>
-            <scope>compile</scope>
-        </dependency>
-
-        <!-- Vault -->
-        <dependency>
-            <groupId>net.milkbowl.vault</groupId>
-            <artifactId>VaultAPI</artifactId>
-            <scope>system</scope>
-            <version>any</version>
-            <systemPath>${project.basedir}/../dependencies/VaultAPI-1.4.jar</systemPath>
-        </dependency>
-
-        <!-- bStats -->
-        <dependency>
-            <groupId>org.bstats</groupId>
-            <artifactId>bstats-bukkit</artifactId>
-            <version>1.1</version>
-        </dependency>
-    </dependencies>
-
-    <profiles>
-        <!-- Copy the jar file to a test server, activate by using -DcopyResult="/path/to/test/server" -->
-        <profile>
-            <id>test-locally</id>
-            <activation>
-                <property>
-                    <name>copyResult</name>
-                </property>
-            </activation>
-            <build>
-                <plugins>
-                    <plugin>
-                        <artifactId>maven-antrun-plugin</artifactId>
-                        <version>1.8</version>
-                        <configuration>
-                            <target>
-                                <copy file="./target/${project.build.finalName}.jar"
-                                      tofile="${copyResult}\${project.build.finalName}.jar"/>
-                            </target>
-                        </configuration>
-                        <executions>
-                            <execution>
-                                <phase>package</phase>
-                                <goals>
-                                    <goal>run</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-
-        <!-- Package the source files in a jar, activate by using -Dsources -->
-        <profile>
-            <id>package-sources</id>
-            <activation>
-                <property>
-                    <name>sources</name>
-                </property>
-            </activation>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-source-plugin</artifactId>
-                        <version>3.0.0</version>
-                        <executions>
-                            <execution>
-                                <phase>package</phase>
-                                <id>attach-sources</id>
-                                <goals>
-                                    <goal>jar</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-
-        <!-- Produce javadoc files, activate by using -Djavadoc -->
-        <profile>
-            <id>generate-javadoc</id>
-            <activation>
-                <property>
-                    <name>javadoc</name>
-                </property>
-            </activation>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.10.4</version>
-                        <executions>
-                            <execution>
-                                <phase>package</phase>
-                                <id>attach-javadocs</id>
-                                <goals>
-                                    <goal>jar</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                        <configuration>
-                            <excludePackageNames>me.wiefferink.areashop.lib</excludePackageNames>
-                            <destDir>${javadoc}</destDir>
-                            <links>
-                                <link>https://hub.spigotmc.org/javadocs/bukkit/</link>
-                                <link>http://docs.sk89q.com/worldedit/apidocs/</link>
-                                <link>http://docs.sk89q.com/worldguard/apidocs/</link>
-                            </links>
-                        </configuration>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-    </profiles>
-
-    <build>
-        <directory>target</directory>
-        <finalName>AreaShop</finalName>
-        <resources>
-            <resource>
-                <targetPath>.</targetPath>
-                <filtering>true</filtering>
-                <directory>src/main/resources</directory>
-                <includes>
-                    <include>plugin.yml</include>
-                    <include>config.yml</include>
-                    <include>hiddenConfig.yml</include>
-                    <include>default.yml</include>
-                    <include>README.md</include>
-                    <include>lang/*.yml</include>
-                </includes>
-            </resource>
-        </resources>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-shade-plugin</artifactId>
-                <version>2.4.3</version>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>shade</goal>
-                        </goals>
-                        <configuration>
-                            <relocations>
-                                <!-- Relocate messaging framework -->
-                                <relocation>
-                                    <pattern>me.wiefferink.interactivemessenger</pattern>
-                                    <shadedPattern>me.wiefferink.areashop.shaded.interactivemessenger</shadedPattern>
-                                </relocation>
-                                <!-- Relocate BukkitDo -->
-                                <relocation>
-                                    <pattern>me.wiefferink.bukkitdo</pattern>
-                                    <shadedPattern>me.wiefferink.areashop.shaded.bukkitdo</shadedPattern>
-                                </relocation>
-                                <!-- Relocate bstats -->
-                                <relocation>
-                                    <pattern>org.bstats</pattern>
-                                    <shadedPattern>me.wiefferink.areashop.shaded.bstats</shadedPattern>
-                                </relocation>
-                            </relocations>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
-            </plugin>
-        </plugins>
-    </build>
-</project>

AreaShop/src/main/java/me/wiefferink/areashop/ASLanguageManager.java

@@ -0,0 +1,190 @@
+package me.wiefferink.areashop;
+
+import java.io.Reader;
+import java.nio.charset.StandardCharsets;
+
+import me.wiefferink.interactivemessenger.Log;
+import me.wiefferink.interactivemessenger.processing.Message;
+import me.wiefferink.interactivemessenger.source.LanguageManager;
+import me.wiefferink.interactivemessenger.translation.Transifex;
+import org.apache.commons.lang.exception.ExceptionUtils;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.net.URISyntaxException;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.List;
+import java.util.Map;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Enumeration;
+import java.util.Collections;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStreamReader;
+
+
+public class ASLanguageManager extends LanguageManager {
+    private JavaPlugin plugin;
+    private String jarLanguagePath;
+    private File languageFolder;
+    private String wgPrefix;
+    private List<String> chatPrefix;
+    private Map<String, List<String>> currentLanguage, defaultLanguage;
+
+    public ASLanguageManager(JavaPlugin plugin,
+                             String jarLanguagePath,
+                             String currentLanguageName,
+                             String defaultLanguageName,
+                             List<String> chatPrefix,
+                             String wgPrefix) {
+        super(plugin, jarLanguagePath, currentLanguageName, defaultLanguageName, chatPrefix);
+        this.plugin = plugin;
+        this.jarLanguagePath = jarLanguagePath;
+        this.chatPrefix = chatPrefix;
+        this.languageFolder = new File(plugin.getDataFolder() + File.separator + jarLanguagePath);
+
+        Message.init(this, plugin.getLogger());
+        saveDefaults();
+        currentLanguage = loadLanguage(currentLanguageName);
+        if (defaultLanguageName.equals(currentLanguageName)) {
+            defaultLanguage = currentLanguage;
+        } else {
+            defaultLanguage = loadLanguage(defaultLanguageName);
+        }
+        this.wgPrefix = wgPrefix;
+    }
+
+    @Override
+    public List<String> getMessage(String key) {
+        List<String> message;
+        if (key.equalsIgnoreCase(Message.CHATLANGUAGEVARIABLE)) {
+            message = chatPrefix;
+        } else if (key.equalsIgnoreCase("wgPrefix")) {
+            message = new ArrayList<>();
+            message.add(wgPrefix);
+        } else if (currentLanguage.containsKey(key)) {
+            message = currentLanguage.get(key);
+        } else {
+            message = defaultLanguage.get(key);
+        }
+        if (message == null) {
+            Log.warn("Did not find message '" + key + "' in the current or default language");
+            return new ArrayList<>();
+        }
+        return new ArrayList<>(message);
+    }
+
+    private void saveDefaults() {
+        // Create the language folder if it not exists
+        if (!languageFolder.exists()) {
+            if (!languageFolder.mkdirs()) {
+                Log.warn("Could not create language directory: " + languageFolder.getAbsolutePath());
+                return;
+            }
+        }
+        File jarPath;
+        try {
+            // Read jar as ZIP file
+            jarPath = new File(plugin.getClass()
+                    .getProtectionDomain()
+                    .getCodeSource()
+                    .getLocation()
+                    .toURI());
+        } catch (URISyntaxException e) {
+            Log.error("Failed to find location of jar file:", ExceptionUtils.getStackTrace(e));
+            return;
+        }
+        try (ZipFile jar = new ZipFile(jarPath);) {
+            Enumeration<? extends ZipEntry> entries = jar.entries();
+
+            // Each entry is a file or directory
+            while (entries.hasMoreElements()) {
+                ZipEntry entry = entries.nextElement();
+
+                // Filter to YAML files in the language directory
+                if (!entry.isDirectory() && entry.getName()
+                        .startsWith(jarLanguagePath + "/") && entry.getName()
+                        .endsWith(".yml")) {
+                    // Save the file to disk
+                    File targetFile = new File(languageFolder.getAbsolutePath() + File.separator + entry.getName()
+                            .substring(entry.getName().lastIndexOf("/")));
+                    try (
+                            InputStream input = jar.getInputStream(entry);
+                            OutputStream output = new FileOutputStream(targetFile)
+                    ) {
+                        byte[] bytes = input.readAllBytes();
+                        output.write(bytes);
+                    } catch (IOException e) {
+                        Log.warn("Something went wrong saving a default language file: " + targetFile.getAbsolutePath());
+                    }
+                }
+            }
+        } catch (
+                IOException e) {
+            Log.error("Failed to read zip file:", ExceptionUtils.getStackTrace(e));
+        }
+    }
+
+    private Map<String, List<String>> loadLanguage(String key) {
+        return loadLanguage(key, true);
+    }
+
+    /**
+     * Loads the specified language
+     *
+     * @param key     The language to load
+     * @param convert try conversion or not (infinite recursion prevention)
+     * @return Map with the messages loaded from the file
+     */
+    private Map<String, List<String>> loadLanguage(String key, boolean convert) {
+        Map<String, List<String>> result = new HashMap<>();
+
+        // Load the language file
+        boolean convertFromTransifex = false;
+        File file = new File(languageFolder.getAbsolutePath() + File.separator + key + ".yml");
+        try (
+                InputStream inputStream = new FileInputStream(file);
+                Reader reader = new InputStreamReader(inputStream, StandardCharsets.UTF_8)
+        ) {
+            // Detect empty language files, happens when the YAML parsers prints an exception (it does return an empty YamlConfiguration though)
+            YamlConfiguration ymlFile = YamlConfiguration.loadConfiguration(reader);
+            if (ymlFile.getKeys(false).isEmpty()) {
+                Log.warn("Language file " + key + ".yml has zero messages.");
+                return result;
+            }
+
+            // Retrieve the messages from the YAML file and create the result
+            if (convert && Transifex.needsConversion(ymlFile)) {
+                convertFromTransifex = true;
+            } else {
+                for (String messageKey : ymlFile.getKeys(false)) {
+                    List<String> toPut;
+                    if (ymlFile.isList(messageKey)) {
+                        toPut = ymlFile.getStringList(messageKey);
+                    } else {
+                        toPut = Collections.singletonList(ymlFile.getString(messageKey));
+                    }
+                    result.put(messageKey, new ArrayList<>(toPut));
+                }
+            }
+        } catch (IOException e) {
+            Log.warn("Could not load language file: " + file.getAbsolutePath());
+        }
+
+        // Do conversion (after block above closed the reader)
+        if (convertFromTransifex) {
+            if (!Transifex.convertFrom(file)) {
+                Log.warn("Failed to convert " + file.getName() + " from the Transifex layout to the AreaShop layout, check the errors above");
+            }
+            return loadLanguage(key, false);
+        }
+
+        return result;
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/AreaShop.java

@@ -1,22 +1,40 @@
 package me.wiefferink.areashop;
 
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Stage;
 import com.sk89q.worldedit.bukkit.WorldEditPlugin;
 import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
 import com.sk89q.worldguard.protection.managers.RegionManager;
+import io.papermc.lib.PaperLib;
+import me.wiefferink.areashop.adapters.platform.MinecraftPlatform;
+import me.wiefferink.areashop.adapters.platform.paper.PaperPlatform;
+import me.wiefferink.areashop.features.signs.SignManager;
 import me.wiefferink.areashop.interfaces.AreaShopInterface;
 import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldGuardInterface;
 import me.wiefferink.areashop.listeners.PlayerLoginLogoutListener;
 import me.wiefferink.areashop.managers.CommandManager;
 import me.wiefferink.areashop.managers.FeatureManager;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.managers.FileManager;
 import me.wiefferink.areashop.managers.Manager;
+import me.wiefferink.areashop.managers.SignErrorLogger;
 import me.wiefferink.areashop.managers.SignLinkerManager;
-import me.wiefferink.areashop.tools.Analytics;
+import me.wiefferink.areashop.modules.AreaShopModule;
+import me.wiefferink.areashop.modules.BukkitModule;
+import me.wiefferink.areashop.modules.DependencyModule;
+import me.wiefferink.areashop.modules.PlatformModule;
+import me.wiefferink.areashop.platform.adapter.PlatformAdapter;
 import me.wiefferink.areashop.tools.GithubUpdateCheck;
+import me.wiefferink.areashop.tools.LanguageConverter;
+import me.wiefferink.areashop.tools.SimpleMessageBridge;
+import me.wiefferink.areashop.tools.SpigotPlatform;
 import me.wiefferink.areashop.tools.Utils;
+import me.wiefferink.areashop.tools.version.Version;
+import me.wiefferink.areashop.tools.version.VersionData;
+import me.wiefferink.areashop.tools.version.VersionUtil;
 import me.wiefferink.bukkitdo.Do;
-import me.wiefferink.interactivemessenger.processing.Message;
 import me.wiefferink.interactivemessenger.source.LanguageManager;
 import net.milkbowl.vault.economy.Economy;
 import org.apache.commons.lang.StringUtils;
@@ -34,31 +52,40 @@ import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
 
-import java.util.Arrays;
+import javax.annotation.Nonnull;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Path;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Supplier;
+import java.util.logging.Level;
 
 /**
  * Main class for the AreaShop plugin.
  * Contains methods to get parts of the plugins functionality and definitions for constants.
  */
-public final class AreaShop extends JavaPlugin implements AreaShopInterface {
+public final class AreaShop extends JavaPlugin implements AreaShopApi {
 	// Statically available instance
 	private static AreaShop instance = null;
 
 	// General variables
+	private Injector injector;
 	private WorldGuardPlugin worldGuard = null;
 	private WorldGuardInterface worldGuardInterface = null;
 	private WorldEditPlugin worldEdit = null;
 	private WorldEditInterface worldEditInterface = null;
-	private FileManager fileManager = null;
+	private PlatformAdapter platformAdapter;
+	private MessageBridge messageBridge;
+	private IFileManager fileManager = null;
 	private LanguageManager languageManager = null;
 	private CommandManager commandManager = null;
 	private SignLinkerManager signLinkerManager = null;
 	private FeatureManager featureManager = null;
+	private SignManager signManager;
+	private SignErrorLogger signErrorLogger;
 	private Set<Manager> managers = null;
 	private boolean debug = false;
 	private List<String> chatprefix = null;
@@ -73,6 +100,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	public static final String defaultFile = "default.yml";
 	public static final String configFile = "config.yml";
 	public static final String configFileHidden = "hiddenConfig.yml";
+	public static final String signLogFile = "sign-errors.log";
 	public static final String versionFile = "versions";
 
 	// Euro tag for in the config
@@ -142,249 +170,173 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	/**
 	 * Called on start or reload of the server.
 	 */
+	@Override
 	public void onEnable() {
 		AreaShop.instance = this;
 		Do.init(this);
 		managers = new HashSet<>();
-		boolean error = false;
+		messageBridge = new SimpleMessageBridge();
+		signErrorLogger = new SignErrorLogger(new File(getDataFolder(), signLogFile));
 
-		// Find WorldEdit integration version to load
-		String weVersion = null;
-		String rawWeVersion = null;
-		String weBeta = null;
-		Plugin plugin = getServer().getPluginManager().getPlugin("WorldEdit");
-		if(!(plugin instanceof WorldEditPlugin) || !plugin.isEnabled()) {
-			error("WorldEdit plugin is not present or has not loaded correctly");
-			error = true;
-		} else {
-			worldEdit = (WorldEditPlugin)plugin;
-			rawWeVersion = worldEdit.getDescription().getVersion();
-
-			// Find beta version
-			Pattern pattern = Pattern.compile("beta-?\\d+");
-			Matcher matcher = pattern.matcher(rawWeVersion);
-			if (matcher.find()) {
-				weBeta = matcher.group();
-			}
-
-			// Get correct WorldEditInterface (handles things that changed version to version)
-			if(worldEdit.getDescription().getVersion().startsWith("5.")) {
-				weVersion = "5";
-			} else if(worldEdit.getDescription().getVersion().startsWith("6.")) {
-				weVersion = "6";
-			} else if ("beta-01".equalsIgnoreCase(weBeta)) {
-				weVersion = "7_beta_1";
-			} else {
-				// beta-02 and beta-03 also have the new vector system already
-				weVersion = "7_beta_4";
-			}
-
-			weVersion = "WorldEditHandler" + weVersion;
+		// Setup NMS Impl
+		Version currentServerVersion = VersionUtil.parseMinecraftVersion(Bukkit.getBukkitVersion());
+		if (currentServerVersion.versionData().isOlderThan(VersionUtil.MC_1_17_1)) {
+			error("Unsupported minecraft version: " + currentServerVersion + "! Minimum is 1.17.1");
+			shutdownOnError();
+			return;
 		}
-
-		// Find WorldGuard integration version to load
-		String wgVersion = null;
-		String rawWgVersion = null;
-		int major = 0;
-		int minor = 0;
-		int fixes = 0;
-		Integer build = null;
-		plugin = getServer().getPluginManager().getPlugin("WorldGuard");
-		if(!(plugin instanceof WorldGuardPlugin) || !plugin.isEnabled()) {
-			error("WorldGuard plugin is not present or has not loaded correctly");
-			error = true;
-		} else {
-			worldGuard = (WorldGuardPlugin)plugin;
-			// Get correct WorldGuardInterface (handles things that changed version to version)
+		if (currentServerVersion.versionData().equals(VersionUtil.MC_1_17_1)) {
 			try {
-				rawWgVersion = worldGuard.getDescription().getVersion();
-				if(rawWgVersion.contains("-SNAPSHOT;")) {
-					String buildNumber = rawWgVersion.substring(rawWgVersion.indexOf("-SNAPSHOT;") + 10);
-					if(buildNumber.contains("-")) {
-						buildNumber = buildNumber.substring(0, buildNumber.indexOf("-"));
-						try {
-							build = Integer.parseInt(buildNumber);
-						} catch(NumberFormatException e) {
-							warn("Could not correctly parse the build of WorldGuard, raw version: " + rawWgVersion + ", buildNumber: " + buildNumber);
-						}
-					}
-				}
-				// Clear stuff from the version string that is not a number
-				String[] versionParts = rawWgVersion.split("\\.");
-				for(int i = 0; i < versionParts.length; i++) {
-					Pattern pattern = Pattern.compile("^\\d+");
-					Matcher matcher = pattern.matcher(versionParts[i]);
-					if(matcher.find()) {
-						versionParts[i] = matcher.group();
-					}
-				}
-				// Find major, minor and fix numbers
-				try {
-					if(versionParts.length > 0) {
-						major = Integer.parseInt(versionParts[0]);
-					}
-					if(versionParts.length > 1) {
-						minor = Integer.parseInt(versionParts[1]);
-					}
-					if(versionParts.length > 2) {
-						fixes = Integer.parseInt(versionParts[2]);
-					}
-				} catch(NumberFormatException e) {
-					warn("Something went wrong while parsing WorldGuard version number: " + rawWgVersion);
-				}
-
-				// Determine correct implementation to use
-				if(rawWgVersion.startsWith("5.")) {
-					wgVersion = "5";
-				} else if(major == 6 && minor == 1 && fixes < 3) {
-					wgVersion = "6";
-				} else if(major == 6) {
-					if(build != null && build == 1672) {
-						error = true;
-						error("Build 1672 of WorldGuard is broken, update to a later build or a stable version!");
-					} else if(build != null && build < 1672) {
-						wgVersion = "6";
-					} else {
-						wgVersion = "6_1_3";
-					}
-				} else if ("beta-01".equalsIgnoreCase(weBeta)) {
-					// When using WorldEdit beta-01, we need to use the WorldGuard variant with the old vector system
-					wgVersion = "7_beta_1";
-				} else {
-					// Even though the WorldGuard file is called beta-02, the reported version is still beta-01!
-					wgVersion = "7_beta_2";
-				}
-			} catch(Exception e) { // If version detection fails, at least try to load the latest version
-				warn("Parsing the WorldGuard version failed, assuming version 7_beta_2:", rawWgVersion);
-				wgVersion = "7_beta_2";
+				Class<?> adapterImpl = Class.forName("me.wiefferink.areashop.adapters.platform.legacy.LegacyPlatformAdapter");
+				this.platformAdapter = adapterImpl.asSubclass(PlatformAdapter.class).getConstructor().newInstance();
+			} catch (ReflectiveOperationException ex) {
+				ex.printStackTrace();
+				error("Failed to initialize legacy PlatformAdapter implementation!");
+				shutdownOnError();
+				return;
 			}
-
-			wgVersion = "WorldGuardHandler" + wgVersion;
-		}
-
-		// Check if FastAsyncWorldEdit is installed
-		boolean fawe;
-		try {
-			Class.forName("com.boydti.fawe.Fawe" );
-			fawe = true;
-		} catch (ClassNotFoundException ignore) {
-			fawe = false;
-		}
-
-		if (fawe) {
-			boolean useNewIntegration = true;
-			List<String> standardIntegrationVersions = Arrays.asList("1.7", "1.8", "1.9", "1.10", "1.11", "1.12");
-			for(String standardIntegrationVersion : standardIntegrationVersions) {
-				String version = Bukkit.getBukkitVersion();
-				// Detects '1.8', '1.8.3', '1.8-pre1' style versions
-				if(version.equals(standardIntegrationVersion)
-						|| version.startsWith(standardIntegrationVersion + ".")
-						|| version.startsWith(standardIntegrationVersion + "-")) {
-					useNewIntegration = false;
-					break;
-				}
-			}
-
-			if (useNewIntegration) {
-				weVersion = "FastAsyncWorldEditHandler";
-				wgVersion = "FastAsyncWorldEditWorldGuardHandler";
+		} else {
+			try {
+				Class<?> adapterImpl = Class.forName("me.wiefferink.areashop.adapters.platform.modern.ModernPlatformAdapter");
+				this.platformAdapter = adapterImpl.asSubclass(PlatformAdapter.class).getConstructor().newInstance();
+			} catch (ReflectiveOperationException ex) {
+				ex.printStackTrace();
+				error("Failed to initialize modern PlatformAdapter implementation!");
+				shutdownOnError();
+				return;
 			}
 		}
 
-		// Load WorldEdit
-		try {
-			final Class<?> clazz = Class.forName("me.wiefferink.areashop.handlers." + weVersion);
-			// Check if we have a NMSHandler class at that location.
-			if(WorldEditInterface.class.isAssignableFrom(clazz)) { // Make sure it actually implements WorldEditInterface
-				worldEditInterface = (WorldEditInterface)clazz.getConstructor(AreaShopInterface.class).newInstance(this); // Set our handler
-			}
-		} catch(final Exception e) {
-			error("Could not load the handler for WorldEdit (tried to load " + weVersion + "), report this problem to the author: " + ExceptionUtils.getStackTrace(e));
-			error = true;
-			weVersion = null;
-		}
-
-		// Load WorldGuard
-		try {
-			final Class<?> clazz = Class.forName("me.wiefferink.areashop.handlers." + wgVersion);
-			// Check if we have a NMSHandler class at that location.
-			if(WorldGuardInterface.class.isAssignableFrom(clazz)) { // Make sure it actually implements WorldGuardInterface
-				worldGuardInterface = (WorldGuardInterface)clazz.getConstructor(AreaShopInterface.class).newInstance(this); // Set our handler
-			}
-		} catch(final Exception e) {
-			error("Could not load the handler for WorldGuard (tried to load " + wgVersion + "), report this problem to the author:" + ExceptionUtils.getStackTrace(e));
-			error = true;
-			wgVersion = null;
+		final MinecraftPlatform platform;
+		if (PaperLib.isPaper()) {
+			platform = new PaperPlatform(this);
+			info("Detected Paper; using the PaperPlatform impl");
+		} else {
+			platform = new SpigotPlatform(this);
+			info("Detected Spigot; using the SpigotPlatform impl");
 		}
+		final PlatformModule platformModule = new PlatformModule(platform, this.platformAdapter);
 
 		// Check if Vault is present
 		if(getServer().getPluginManager().getPlugin("Vault") == null) {
 			error("Vault plugin is not present or has not loaded correctly");
-			error = true;
+			shutdownOnError();
+			return;
 		}
 
+		// Find WorldEdit integration version to load
+		String weHandlerVersion;
+		Plugin plugin = getServer().getPluginManager().getPlugin("WorldEdit");
+		if(!(plugin instanceof WorldEditPlugin) || !plugin.isEnabled()) {
+			error("WorldEdit plugin is not present or has not loaded correctly");
+			return;
+		} else {
+			this.worldEdit = (WorldEditPlugin) plugin;
+			Plugin fawePlugin = getServer().getPluginManager().getPlugin("FastAsyncWorldEdit");
+			if (fawePlugin != null && fawePlugin.isEnabled()) {
+				weHandlerVersion = "FastAsyncWorldEditHandler";
+				info("Detected FastAsyncWorldEdit, using the fawe handler");
+			} else {
+				weHandlerVersion = "WorldEditHandler";
+			}
+		}
+
+		plugin = getServer().getPluginManager().getPlugin("WorldGuard");
+		if(!(plugin instanceof WorldGuardPlugin) || !plugin.isEnabled()) {
+			error("WorldGuard plugin is not present or has not loaded correctly");
+			shutdownOnError();
+			return;
+		} else {
+			this.worldGuard = (WorldGuardPlugin) plugin;
+		}
+
+		DependencyModule dependencyModule = new DependencyModule(this.worldEdit, this.worldGuard, getEconomy(), getPermissionProvider());
+
+		// Load WorldEdit
+		try {
+			Class<?> clazz = Class.forName("me.wiefferink.areashop.adapters.plugins." + weHandlerVersion);
+			if(WorldEditInterface.class.isAssignableFrom(clazz)) { // Make sure it actually implements WorldEditInterface
+				worldEditInterface = (WorldEditInterface)clazz.getConstructor(AreaShopInterface.class).newInstance(this); // Set our handler
+			}
+		} catch(Exception e) {
+			error("Could not load the handler for WorldEdit (tried to load " + weHandlerVersion + "), report this problem to the author: " + ExceptionUtils.getStackTrace(e));
+			shutdownOnError();
+			return;
+		}
+
+		// Load WorldGuard
+		try {
+			Class<?> clazz = Class.forName("me.wiefferink.areashop.adapters.plugins.WorldGuardHandler");
+			// Check if we have a NMSHandler class at that location.
+			if(WorldGuardInterface.class.isAssignableFrom(clazz)) { // Make sure it actually implements WorldGuardInterface
+				worldGuardInterface = (WorldGuardInterface)clazz.getConstructor(AreaShopInterface.class).newInstance(this); // Set our handler
+			}
+		} catch(Exception e) {
+			error("Could not load the handler for WorldGuard, report this problem to the author:" + ExceptionUtils.getStackTrace(e));
+			shutdownOnError();
+			return;
+		}
+
+		AreaShopModule asModule = new AreaShopModule(this, messageBridge,
+				platformAdapter, worldEditInterface, worldGuardInterface, signErrorLogger, platformModule, dependencyModule);
+		injector = Guice.createInjector(Stage.PRODUCTION, new BukkitModule(getServer()), asModule);
+
 		// Load all data from files and check versions
-		fileManager = new FileManager();
-		managers.add(fileManager);
-		error = error | !fileManager.loadFiles(false);
-
-		// Print loaded version of WG and WE in debug
-		if(wgVersion != null) {
-			AreaShop.debug("Loaded WorldGuardHandler", wgVersion, "(raw version:" + rawWgVersion + ", major:" + major + ", minor:" + minor + ", fixes:" + fixes + ", build:" + build + ")");
-		}
-		if(weVersion != null) {
-			AreaShop.debug("Loaded WorldEditHandler", weVersion, "(raw version:" + rawWeVersion + ", beta:" + weBeta + ")");
+		fileManager = injector.getInstance(IFileManager.class);
+		managers.add((FileManager) fileManager);
+		boolean loadFilesResult = fileManager.loadFiles(false);
+		if (!loadFilesResult) {
+			shutdownOnError();
+			return;
 		}
 
+		performLanguageMigrations();
 		setupLanguageManager();
 
-		if(error) {
-			error("The plugin has not started, fix the errors listed above");
-		} else {
-			featureManager = new FeatureManager();
-			managers.add(featureManager);
+		featureManager = injector.getInstance(FeatureManager.class);
+		featureManager.initializeFeatures(injector);
+		managers.add(featureManager);
+		signManager = injector.getInstance(SignManager.class);
+		managers.add(signManager);
 
-			// Register the event listeners
-			getServer().getPluginManager().registerEvents(new PlayerLoginLogoutListener(this), this);
+		// Register the event listeners
+		getServer().getPluginManager().registerEvents(new PlayerLoginLogoutListener(this, messageBridge), this);
 
-			setupTasks();
+		setupTasks();
 
-			// Startup the CommandManager (registers itself for the command)
-			commandManager = new CommandManager();
-			managers.add(commandManager);
+		// Startup the CommandManager (registers itself for the command)
+		commandManager = injector.getInstance(CommandManager.class);
+		managers.add(commandManager);
 
-			// Create a signLinkerManager
-			signLinkerManager = new SignLinkerManager();
-			managers.add(signLinkerManager);
+		// Create a signLinkerManager
+		signLinkerManager = injector.getInstance(SignLinkerManager.class);
+		managers.add(signLinkerManager);
 
-			// Enable Metrics if config allows it
-			if(getConfig().getBoolean("sendStats")) {
-				Analytics.start();
+		// Register dynamic permission (things declared in config)
+		registerDynamicPermissions();
+
+		// Don't initialize the updatechecker if disabled in the config
+		if(getConfig().getBoolean("checkForUpdates")) {
+			githubUpdateCheck = new GithubUpdateCheck(
+					this,
+					"md5sha256",
+					"AreaShop"
+			).withVersionComparator((latestVersion, currentVersion) -> {
+				Version latest = Version.parse(cleanVersion(latestVersion));
+				Version current = Version.parse(cleanVersion(currentVersion));
+				return latest.versionData().isNewerThan(current.versionData());
 			}
+			).checkUpdate(result -> {
+				AreaShop.debug("Update check result:", result);
+				if(!result.hasUpdate()) {
+					return;
+				}
 
-			// Register dynamic permission (things declared in config)
-			registerDynamicPermissions();
-
-			// Don't initialize the updatechecker if disabled in the config
-			if(getConfig().getBoolean("checkForUpdates")) {
-				githubUpdateCheck = new GithubUpdateCheck(
-						AreaShop.getInstance(),
-						"NLThijs48",
-						"AreaShop"
-				).withVersionComparator((latestVersion, currentVersion) ->
-						!cleanVersion(latestVersion).equals(cleanVersion(currentVersion))
-				).checkUpdate((result) -> {
-					AreaShop.debug("Update check result:", result);
-					if(!result.hasUpdate()) {
-						return;
-					}
-
-					AreaShop.info("Update from AreaShop V" + cleanVersion(result.getCurrentVersion()) + " to AreaShop V" + cleanVersion(result.getLatestVersion()) + " available, get the latest version at https://www.spigotmc.org/resources/areashop.2991/");
-					for(Player player : Utils.getOnlinePlayers()) {
-						notifyUpdate(player);
-					}
-				});
-			}
+				AreaShop.info("Update from AreaShop V" + cleanVersion(result.getCurrentVersion()) + " to AreaShop V" + cleanVersion(result.getLatestVersion()) + " available, get the latest version at https://github.com/md5sha256/AreaShop/releases");
+				for(Player player : Utils.getOnlinePlayers()) {
+					notifyUpdate(player);
+				}
+			});
 		}
 	}
 
@@ -394,10 +346,15 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 */
 	public void notifyUpdate(CommandSender sender) {
 		if(githubUpdateCheck != null && githubUpdateCheck.hasUpdate() && sender.hasPermission("areashop.notifyupdate")) {
-			AreaShop.getInstance().message(sender, "update-playerNotify", cleanVersion(githubUpdateCheck.getCurrentVersion()), cleanVersion(githubUpdateCheck.getLatestVersion()));
+			messageBridge.message(sender, "update-playerNotify", cleanVersion(githubUpdateCheck.getCurrentVersion()), cleanVersion(githubUpdateCheck.getLatestVersion()));
 		}
 	}
 
+	private void shutdownOnError() {
+		error("The plugin has not started, fix the errors listed above");
+		getServer().getPluginManager().disablePlugin(this);
+	}
+
 	/**
 	 * Cleanup a version number.
 	 * @param version Version to clean
@@ -422,6 +379,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	/**
 	 * Called on shutdown or reload of the server.
 	 */
+	@Override
 	public void onDisable() {
 
 		Bukkit.getServer().getScheduler().cancelTasks(this);
@@ -430,27 +388,18 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		for(Manager manager : managers) {
 			manager.shutdown();
 		}
-		managers = null;
-		fileManager = null;
-		languageManager = null;
-		commandManager = null;
-		signLinkerManager = null;
-		featureManager = null;
-
-		// Cleanup plugins
-		worldGuard = null;
-		worldGuardInterface = null;
-		worldEdit = null;
-		worldEditInterface = null;
-
-		// Cleanup other stuff
-		chatprefix = null;
-		debug = false;
-		ready = false;
-
+		signErrorLogger.saveIfDirty();
 		HandlerList.unregisterAll(this);
 	}
 
+	/**
+	 * Indicates if the plugin will be using MiniMessage or not
+	 * @return true if MiniMessage should be used, false otherwise
+	 */
+	public static boolean useMiniMessage() {
+		return getInstance().getConfig().getBoolean("useMiniMessage");
+	}
+
 	/**
 	 * Indicates if the plugin is ready to be used.
 	 * @return true if the plugin is ready, false otherwise
@@ -475,16 +424,53 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		this.debug = debug;
 	}
 
+	private void performLanguageMigrations() {
+		boolean migrateExisting = this.getConfig().getBoolean("migrateLanguages", false);
+		if (!migrateExisting) {
+			return;
+		}
+		getLogger().info("Performing language migration");
+		List<String> chatPrefix = getConfig().getStringList("chatPrefix");
+		List<String> convertedChatPrefix = LanguageConverter.convertRawList(chatPrefix);
+		if (convertedChatPrefix.size() == 1) {
+			getConfig().set("mmChatPrefix", convertedChatPrefix.get(0));
+		} else {
+			getConfig().set("mmChatPrefix", convertedChatPrefix);
+		}
+		saveConfig();
+		File existingLanguages = getDataFolder().toPath().resolve(languageFolder).toFile();
+		File[] langFiles = existingLanguages.listFiles(file -> file.getName().endsWith(".yml"));
+		if (langFiles == null) {
+			return;
+		}
+		for (File file : langFiles) {
+			String name = file.getName();
+			String langName = name.substring(0, name.length() - 4);
+			File toMigrate = new File(existingLanguages, langName + "-MM.yml");
+			if (toMigrate.exists()) {
+				debug("Skipping migration for " + langName + " as it already exists.");
+				continue;
+			}
+			try {
+				LanguageConverter.performConversion(file, toMigrate);
+			} catch (IOException ex) {
+				getLogger().log(Level.SEVERE, "Failed to perform migration for lang: " + file.getName(), ex);
+			}
+		}
+		getLogger().info("Language migration complete!");
+	}
+
 	/**
 	 * Setup a new LanguageManager.
 	 */
 	private void setupLanguageManager() {
-		languageManager = new LanguageManager(
+		languageManager = new ASLanguageManager(
 				this,
 				languageFolder,
-				getConfig().getString("language"),
+				useMiniMessage() ? getConfig().getString("mmLanguage") : getConfig().getString("language"),
 				"EN",
-				chatprefix
+				useMiniMessage() ? getConfig().getStringList("mmChatPrefix") : chatprefix,
+				getConfig().getString("wgPrefix")
 		);
 	}
 
@@ -496,10 +482,19 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		this.chatprefix = chatprefix;
 	}
 
+	public PlatformAdapter getPlatformAdapter() {
+		return platformAdapter;
+	}
+
+	public SignErrorLogger getSignErrorLogger() {
+		return signErrorLogger;
+	}
+
 	/**
 	 * Function to get the WorldGuard plugin.
 	 * @return WorldGuardPlugin
 	 */
+	@Override
 	public WorldGuardPlugin getWorldGuard() {
 		return worldGuard;
 	}
@@ -512,6 +507,12 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		return this.worldGuardInterface;
 	}
 
+
+	@Nonnull
+	public SignManager getSignManager() {
+		return signManager;
+	}
+
 	/**
 	 * Get the RegionManager.
 	 * @param world World to get the RegionManager for
@@ -525,10 +526,16 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Function to get the WorldEdit plugin.
 	 * @return WorldEditPlugin
 	 */
+	@Override
 	public WorldEditPlugin getWorldEdit() {
 		return worldEdit;
 	}
 
+	@Override
+	public Plugin pluginInstance() {
+		return this;
+	}
+
 	/**
 	 * Function to get WorldGuardInterface for version dependent things.
 	 * @return WorldGuardInterface
@@ -549,6 +556,8 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Function to get the CommandManager.
 	 * @return the CommandManager
 	 */
+	@Nonnull
+	@Override
 	public CommandManager getCommandManager() {
 		return commandManager;
 	}
@@ -558,6 +567,8 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Handles sign linking mode.
 	 * @return The SignLinkerManager
 	 */
+	@Nonnull
+	@Override
 	public SignLinkerManager getSignlinkerManager() {
 		return signLinkerManager;
 	}
@@ -567,6 +578,8 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Manages region specific features.
 	 * @return The FeatureManager
 	 */
+	@Nonnull
+	@Override
 	public FeatureManager getFeatureManager() {
 		return featureManager;
 	}
@@ -575,9 +588,10 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Function to get the Vault plugin.
 	 * @return Economy
 	 */
-	public Economy getEconomy() {
+	@Deprecated
+	private Economy getEconomy() {
 		RegisteredServiceProvider<Economy> economy = getServer().getServicesManager().getRegistration(net.milkbowl.vault.economy.Economy.class);
-		if(economy == null || economy.getProvider() == null) {
+		if(economy == null) {
 			error("There is no economy provider to support Vault, make sure you installed an economy plugin");
 			return null;
 		}
@@ -588,9 +602,10 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Get the Vault permissions provider.
 	 * @return Vault permissions provider
 	 */
-	public net.milkbowl.vault.permission.Permission getPermissionProvider() {
+	@Deprecated
+	private net.milkbowl.vault.permission.Permission getPermissionProvider() {
 		RegisteredServiceProvider<net.milkbowl.vault.permission.Permission> permissionProvider = getServer().getServicesManager().getRegistration(net.milkbowl.vault.permission.Permission.class);
-		if (permissionProvider == null || permissionProvider.getProvider() == null) {
+		if (permissionProvider == null) {
 			return null;
 		}
 		return permissionProvider.getProvider();
@@ -623,7 +638,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Method to get the FileManager (loads/save regions and can be used to get regions).
 	 * @return The fileManager
 	 */
-	public FileManager getFileManager() {
+	public IFileManager getFileManager() {
 		return fileManager;
 	}
 
@@ -653,6 +668,13 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Register all required tasks.
 	 */
 	private void setupTasks() {
+
+		long signLogTicks = Utils.millisToTicks(TimeUnit.MINUTES.toMillis(5));
+		Bukkit.getScheduler().runTaskTimerAsynchronously(this,
+				() -> signErrorLogger.saveIfDirty(),
+				signLogTicks,
+				signLogTicks);
+
 		// Rent expiration timer
 		long expirationCheck = Utils.millisToTicks(Utils.getDurationFromSecondsOrString("expiration.delay"));
 		final AreaShop finalPlugin = this;
@@ -728,26 +750,6 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		}
 	}
 
-	/**
-	 * Send a message to a target without a prefix.
-	 * @param target       The target to send the message to
-	 * @param key          The key of the language string
-	 * @param replacements The replacements to insert in the message
-	 */
-	public void messageNoPrefix(Object target, String key, Object... replacements) {
-		Message.fromKey(key).replacements(replacements).send(target);
-	}
-
-	/**
-	 * Send a message to a target, prefixed by the default chat prefix.
-	 * @param target       The target to send the message to
-	 * @param key          The key of the language string
-	 * @param replacements The replacements to insert in the message
-	 */
-	public void message(Object target, String key, Object... replacements) {
-		Message.fromKey(key).prefix().replacements(replacements).send(target);
-	}
-
 
 	/**
 	 * Return the config.
@@ -771,16 +773,24 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * Non-static debug to use as implementation of the interface.
 	 * @param message Object parts of the message that should be logged, toString() will be used
 	 */
+	@Override
 	public void debugI(Object... message) {
 		AreaShop.debug(StringUtils.join(message, " "));
 	}
 
+	@Override
+	public void debugI(Supplier<String> message) {
+		if (debug) {
+			info("Debug: " + message.get());
+		}
+	}
+
 	/**
 	 * Print an information message to the console.
 	 * @param message The message to print
 	 */
 	public static void info(Object... message) {
-		AreaShop.getInstance().getLogger().info(StringUtils.join(message, " "));
+		AreaShop.getInstance().getLogger().info(() -> StringUtils.join(message, " "));
 	}
 
 	/**
@@ -788,7 +798,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * @param message The message to print
 	 */
 	public static void warn(Object... message) {
-		AreaShop.getInstance().getLogger().warning(StringUtils.join(message, " "));
+		AreaShop.getInstance().getLogger().warning(() -> StringUtils.join(message, " "));
 	}
 
 	/**
@@ -796,7 +806,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 	 * @param message The message to print
 	 */
 	public static void error(Object... message) {
-		AreaShop.getInstance().getLogger().severe(StringUtils.join(message, " "));
+		AreaShop.getInstance().getLogger().severe(() -> StringUtils.join(message, " "));
 	}
 
 	/**
@@ -818,7 +828,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		fileManager.saveRequiredFilesAtOnce();
 		fileManager.loadFiles(true);
 		setupLanguageManager();
-		message(confirmationReceiver, "reload-reloading");
+		messageBridge.message(confirmationReceiver, "reload-reloading");
 		fileManager.checkRents();
 		fileManager.updateAllRegions(confirmationReceiver);
 	}

AreaShop/src/main/java/me/wiefferink/areashop/AreaShopApi.java

@@ -0,0 +1,39 @@
+package me.wiefferink.areashop;
+
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.interfaces.AreaShopInterface;
+import me.wiefferink.areashop.managers.CommandManager;
+import me.wiefferink.areashop.managers.FeatureManager;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+
+import javax.annotation.Nonnull;
+
+public interface AreaShopApi extends AreaShopInterface {
+
+    /**
+     * Function to get the CommandManager.
+     *
+     * @return the CommandManager
+     */
+    @Nonnull CommandManager getCommandManager();
+
+    /**
+     * Get the SignLinkerManager.
+     * Handles sign linking mode.
+     *
+     * @return The SignLinkerManager
+     */
+    @Nonnull SignLinkerManager getSignlinkerManager();
+
+    /**
+     * Get the FeatureManager.
+     * Manages region specific features.
+     *
+     * @return The FeatureManager
+     */
+    @Nonnull FeatureManager getFeatureManager();
+
+
+    @Nonnull SignManager getSignManager();
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/MessageBridge.java

@@ -0,0 +1,21 @@
+package me.wiefferink.areashop;
+
+public interface MessageBridge {
+    /**
+     * Send a message to a target without a prefix.
+     *
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    void messageNoPrefix(Object target, String key, Object... replacements);
+
+    /**
+     * Send a message to a target, prefixed by the default chat prefix.
+     *
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    void message(Object target, String key, Object... replacements);
+}

AreaShop/src/main/java/me/wiefferink/areashop/commands/AddCommand.java

@@ -1,15 +1,27 @@
 package me.wiefferink.areashop.commands;
 
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
+import me.wiefferink.areashop.events.ask.RentingRegionEvent;
+import me.wiefferink.areashop.events.notify.BoughtRegionEvent;
+import me.wiefferink.areashop.events.notify.RentedRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
-import me.wiefferink.areashop.managers.FileManager;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.bukkitdo.Do;
 import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
 import org.bukkit.World;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -23,8 +35,20 @@ import java.util.TreeSet;
 import java.util.UUID;
 import java.util.stream.Collectors;
 
+@Singleton
 public class AddCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	@Inject
+	private WorldGuardInterface worldGuardInterface;
+	@Inject
+	private RegionFactory regionFactory;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop add";
@@ -53,12 +77,12 @@ public class AddCommand extends CommandAreaShop {
 				&& !sender.hasPermission("areashop.createbuy")
 				&& !sender.hasPermission("areashop.createbuy.member")
 				&& !sender.hasPermission("areashop.createbuy.owner")) {
-			plugin.message(sender, "add-noPermission");
+			messageBridge.message(sender, "add-noPermission");
 			return;
 		}
 
-		if(args.length < 2 || args[1] == null || (!"rent".equals(args[1].toLowerCase()) && !"buy".equals(args[1].toLowerCase()))) {
-			plugin.message(sender, "add-help");
+		if(args.length < 2 || args[1] == null || (!"rent".equalsIgnoreCase(args[1]) && !"buy".equalsIgnoreCase(args[1]))) {
+			messageBridge.message(sender, "add-help");
 			return;
 		}
 		Map<String, ProtectedRegion> regions = new HashMap<>();
@@ -69,18 +93,18 @@ public class AddCommand extends CommandAreaShop {
 		}
 		if(args.length == 2) {
 			if(player == null) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			world = selection.getWorld();
 			regions = Utils.getWorldEditRegionsInSelection(selection).stream().collect(Collectors.toMap(ProtectedRegion::getId, region -> region));
-			if(regions.size() == 0) {
-				plugin.message(player, "cmd-noWERegionsFound");
+			if(regions.isEmpty()) {
+				messageBridge.message(player, "cmd-noWERegionsFound");
 				return;
 			}
 		} else {
@@ -88,7 +112,7 @@ public class AddCommand extends CommandAreaShop {
 				if(args.length == 4) {
 					world = Bukkit.getWorld(args[3]);
 					if(world == null) {
-						plugin.message(sender, "add-incorrectWorld", args[3]);
+						messageBridge.message(sender, "add-incorrectWorld", args[3]);
 						return;
 					}
 				} else {
@@ -96,32 +120,35 @@ public class AddCommand extends CommandAreaShop {
 				}
 			} else {
 				if(args.length < 4) {
-					plugin.message(sender, "add-specifyWorld");
+					messageBridge.message(sender, "add-specifyWorld");
 					return;
 				} else {
 					world = Bukkit.getWorld(args[3]);
 					if(world == null) {
-						plugin.message(sender, "add-incorrectWorld", args[3]);
+						messageBridge.message(sender, "add-incorrectWorld", args[3]);
 						return;
 					}
 				}
 			}
 			ProtectedRegion region = plugin.getRegionManager(world).getRegion(args[2]);
 			if(region == null) {
-				plugin.message(sender, "cmd-noRegion", args[2]);
+				messageBridge.message(sender, "cmd-noRegion", args[2]);
 				return;
 			}
 			regions.put(args[2], region);
 		}
-		final boolean isRent = "rent".equals(args[1].toLowerCase());
+		final boolean isRent = "rent".equalsIgnoreCase(args[1]);
 		final Player finalPlayer = player;
 		AreaShop.debug("Starting add task with " + regions.size() + " regions");
 
 		TreeSet<GeneralRegion> regionsSuccess = new TreeSet<>();
 		TreeSet<GeneralRegion> regionsAlready = new TreeSet<>();
 		TreeSet<GeneralRegion> regionsAlreadyOtherWorld = new TreeSet<>();
+		TreeSet<GeneralRegion> regionsRentCancelled = new TreeSet<>(); // Denied by an event listener
+		TreeSet<GeneralRegion> regionsBuyCancelled = new TreeSet<>(); // Denied by an event listener
 		TreeSet<String> namesBlacklisted = new TreeSet<>();
 		TreeSet<String> namesNoPermission = new TreeSet<>();
+		TreeSet<String> namesAddCancelled = new TreeSet<>(); // Denied by an event listener
 		Do.forAll(
 			plugin.getConfig().getInt("adding.regionsPerTick"),
 			regions.entrySet(),
@@ -129,22 +156,22 @@ public class AddCommand extends CommandAreaShop {
 				String regionName = regionEntry.getKey();
 				ProtectedRegion region = regionEntry.getValue();
 				// Determine if the player is an owner or member of the region
-				boolean isMember = finalPlayer != null && plugin.getWorldGuardHandler().containsMember(region, finalPlayer.getUniqueId());
-				boolean isOwner = finalPlayer != null && plugin.getWorldGuardHandler().containsOwner(region, finalPlayer.getUniqueId());
+				boolean isMember = finalPlayer != null && worldGuardInterface.containsMember(region, finalPlayer.getUniqueId());
+				boolean isOwner = finalPlayer != null && worldGuardInterface.containsOwner(region, finalPlayer.getUniqueId());
 				String type;
 				if(isRent) {
 					type = "rent";
 				} else {
 					type = "buy";
 				}
-				FileManager.AddResult result = plugin.getFileManager().checkRegionAdd(sender, region, world, isRent ? GeneralRegion.RegionType.RENT : GeneralRegion.RegionType.BUY);
-				if(result == FileManager.AddResult.ALREADYADDED) {
+				IFileManager.AddResult result = plugin.getFileManager().checkRegionAdd(sender, region, world, isRent ? GeneralRegion.RegionType.RENT : GeneralRegion.RegionType.BUY);
+				if(result == IFileManager.AddResult.ALREADYADDED) {
 					regionsAlready.add(plugin.getFileManager().getRegion(regionName));
-				} else if(result == FileManager.AddResult.ALREADYADDEDOTHERWORLD) {
+				} else if(result == IFileManager.AddResult.ALREADYADDEDOTHERWORLD) {
 					regionsAlreadyOtherWorld.add(plugin.getFileManager().getRegion(regionName));
-				} else if(result == FileManager.AddResult.BLACKLISTED) {
+				} else if(result == IFileManager.AddResult.BLACKLISTED) {
 					namesBlacklisted.add(regionName);
-				} else if(result == FileManager.AddResult.NOPERMISSION) {
+				} else if(result == IFileManager.AddResult.NOPERMISSION) {
 					namesNoPermission.add(regionName);
 				} else {
 					// Check if the player should be landlord
@@ -152,8 +179,8 @@ public class AddCommand extends CommandAreaShop {
 							&& ((sender.hasPermission("areashop.create" + type + ".owner") && isOwner)
 							|| (sender.hasPermission("areashop.create" + type + ".member") && isMember)));
 					List<UUID> existing = new ArrayList<>();
-					existing.addAll(plugin.getWorldGuardHandler().getOwners(region).asUniqueIdList());
-					existing.addAll(plugin.getWorldGuardHandler().getMembers(region).asUniqueIdList());
+					existing.addAll(worldGuardInterface.getOwners(region).asUniqueIdList());
+					existing.addAll(worldGuardInterface.getMembers(region).asUniqueIdList());
 
 					AreaShop.debug("regionAddLandlordStatus:", regionName,
 							"landlord:", landlord,
@@ -165,88 +192,88 @@ public class AddCommand extends CommandAreaShop {
 							"memberPermission:", sender.hasPermission("areashop.create" + type + ".member"));
 
 					if(isRent) {
-						RentRegion rent = new RentRegion(regionName, world);
+						RentRegion rent = regionFactory.createRentRegion(regionName, world);
 						// Set landlord
 						if(landlord) {
 							rent.setLandlord(finalPlayer.getUniqueId(), finalPlayer.getName());
 						}
-						// Run commands
-						rent.runEventCommands(GeneralRegion.RegionEvent.CREATED, true);
-						plugin.getFileManager().addRent(rent);
+
+						AddingRegionEvent event = plugin.getFileManager().addRegion(rent);
+						if (event.isCancelled()) {
+							namesAddCancelled.add(rent.getName());
+							return;
+						}
 						rent.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-
 						rent.update();
 
-						// Run commands
-						rent.runEventCommands(GeneralRegion.RegionEvent.CREATED, false);
-
 						// Add existing owners/members if any
 						if(!landlord && !existing.isEmpty()) {
-							// TODO also execute rent events to notify other plugins?
+							UUID rentBy = existing.remove(0);
+							OfflinePlayer rentByPlayer = Bukkit.getOfflinePlayer(rentBy);
 
-							// Run commands
-							rent.runEventCommands(GeneralRegion.RegionEvent.RENTED, true);
+							RentingRegionEvent rentingRegionEvent = new RentingRegionEvent(rent, rentByPlayer, false);
+							Bukkit.getPluginManager().callEvent(rentingRegionEvent);
+							if(rentingRegionEvent.isCancelled()) {
+								regionsRentCancelled.add(rent);
+							} else {
+								// Add values to the rent and send it to FileManager
+								rent.setRentedUntil(Calendar.getInstance().getTimeInMillis() + rent.getDuration());
+								rent.setRenter(rentBy);
+								rent.updateLastActiveTime();
 
-							// Add values to the rent and send it to FileManager
-							rent.setRentedUntil(Calendar.getInstance().getTimeInMillis() + rent.getDuration());
-							rent.setRenter(existing.remove(0));
-							rent.updateLastActiveTime();
+								// Fire schematic event and updated times extended
+								rent.handleSchematicEvent(GeneralRegion.RegionEvent.RENTED);
 
-							// Add others as friends
-							for(UUID friend : existing) {
-								rent.getFriendsFeature().addFriend(friend, null);
+								// Add others as friends
+								for(UUID friend : existing) {
+									rent.getFriendsFeature().addFriend(friend, null);
+								}
+
+								rent.notifyAndUpdate(new RentedRegionEvent(rent, false));
 							}
-
-							// Fire schematic event and updated times extended
-							rent.handleSchematicEvent(GeneralRegion.RegionEvent.RENTED);
-
-							// Notify about updates
-							rent.update();
-
-							rent.runEventCommands(GeneralRegion.RegionEvent.RENTED, false);
 						}
 
 						regionsSuccess.add(rent);
 					} else {
-						BuyRegion buy = new BuyRegion(regionName, world);
+						BuyRegion buy = regionFactory.createBuyRegion(regionName, world);
 						// Set landlord
 						if(landlord) {
 							buy.setLandlord(finalPlayer.getUniqueId(), finalPlayer.getName());
 						}
-						// Run commands
-						buy.runEventCommands(GeneralRegion.RegionEvent.CREATED, true);
 
-						plugin.getFileManager().addBuy(buy);
+						AddingRegionEvent event = plugin.getFileManager().addRegion(buy);
+						if (event.isCancelled()) {
+							namesAddCancelled.add(buy.getName());
+							return;
+						}
+
 						buy.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-
 						buy.update();
 
-						// Run commands
-						buy.runEventCommands(GeneralRegion.RegionEvent.CREATED, false);
-
 						// Add existing owners/members if any
 						if(!landlord && !existing.isEmpty()) {
-							// TODO also execute buy events to notify for other plugins?
+							UUID buyBy = existing.remove(0);
+							OfflinePlayer buyByPlayer = Bukkit.getOfflinePlayer(buyBy);
 
-							// Run commands
-							buy.runEventCommands(GeneralRegion.RegionEvent.BOUGHT, true);
+							BuyingRegionEvent buyingRegionEvent = new BuyingRegionEvent(buy, buyByPlayer);
+							Bukkit.getPluginManager().callEvent(buyingRegionEvent);
+							if(buyingRegionEvent.isCancelled()) {
+								regionsBuyCancelled.add(buy);
+							} else {
+								// Set the owner
+								buy.setBuyer(buyBy);
+								buy.updateLastActiveTime();
 
-							// Set the owner
-							buy.setBuyer(existing.remove(0));
-							buy.updateLastActiveTime();
-							// Add others as friends
-							for(UUID friend : existing) {
-								buy.getFriendsFeature().addFriend(friend, null);
+								// Update everything
+								buy.handleSchematicEvent(GeneralRegion.RegionEvent.BOUGHT);
+
+								// Add others as friends
+								for (UUID friend : existing) {
+									buy.getFriendsFeature().addFriend(friend, null);
+								}
+
+								buy.notifyAndUpdate(new BoughtRegionEvent(buy));
 							}
-
-							// Notify about updates
-							buy.update();
-
-							// Update everything
-							buy.handleSchematicEvent(GeneralRegion.RegionEvent.BOUGHT);
-
-							// Run commands
-							buy.runEventCommands(GeneralRegion.RegionEvent.BOUGHT, false);
 						}
 
 						regionsSuccess.add(buy);
@@ -255,20 +282,29 @@ public class AddCommand extends CommandAreaShop {
 			},
 			() -> {
 				if(!regionsSuccess.isEmpty()) {
-					plugin.message(sender, "add-success", args[1], Utils.combinedMessage(regionsSuccess, "region"));
+					messageBridge.message(sender, "add-success", args[1], Utils.combinedMessage(regionsSuccess, "region"));
 				}
 				if(!regionsAlready.isEmpty()) {
-					plugin.message(sender, "add-failed", Utils.combinedMessage(regionsAlready, "region"));
+					messageBridge.message(sender, "add-failed", Utils.combinedMessage(regionsAlready, "region"));
 				}
 				if(!regionsAlreadyOtherWorld.isEmpty()) {
-					plugin.message(sender, "add-failedOtherWorld", Utils.combinedMessage(regionsAlreadyOtherWorld, "region"));
+					messageBridge.message(sender, "add-failedOtherWorld", Utils.combinedMessage(regionsAlreadyOtherWorld, "region"));
+				}
+				if(!regionsRentCancelled.isEmpty()) {
+					messageBridge.message(sender, "add-rentCancelled", Utils.combinedMessage(regionsRentCancelled, "region"));
+				}
+				if(!regionsBuyCancelled.isEmpty()) {
+					messageBridge.message(sender, "add-buyCancelled", Utils.combinedMessage(regionsBuyCancelled, "region"));
 				}
 				if(!namesBlacklisted.isEmpty()) {
-					plugin.message(sender, "add-blacklisted", Utils.createCommaSeparatedList(namesBlacklisted));
+					messageBridge.message(sender, "add-blacklisted", Utils.createCommaSeparatedList(namesBlacklisted));
 				}
 				if(!namesNoPermission.isEmpty()) {
-					plugin.message(sender, "add-noPermissionRegions", Utils.createCommaSeparatedList(namesNoPermission));
-					plugin.message(sender, "add-noPermissionOwnerMember");
+					messageBridge.message(sender, "add-noPermissionRegions", Utils.createCommaSeparatedList(namesNoPermission));
+					messageBridge.message(sender, "add-noPermissionOwnerMember");
+				}
+				if(!namesAddCancelled.isEmpty()) {
+					messageBridge.message(sender, "add-rentCancelled", Utils.createCommaSeparatedList(namesAddCancelled));
 				}
 			}
 		);
@@ -285,8 +321,7 @@ public class AddCommand extends CommandAreaShop {
 				result.add("buy");
 			}
 		} else if(toComplete == 3) {
-			if(sender instanceof Player) {
-				Player player = (Player)sender;
+			if(sender instanceof Player player) {
 				if(sender.hasPermission("areashop.createrent") || sender.hasPermission("areashop.createbuy")) {
 					for(ProtectedRegion region : plugin.getRegionManager(player.getWorld()).getRegions().values()) {
 						result.add(region.getId());

AreaShop/src/main/java/me/wiefferink/areashop/commands/AddfriendCommand.java

@@ -1,135 +1,142 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class AddfriendCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop addfriend";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private Plugin plugin;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.addfriendall") || target.hasPermission("areashop.addfriend")) {
-			return "help-addFriend";
-		}
-		return null;
-	}
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
 
-	@SuppressWarnings("deprecation")
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.addfriend") && !sender.hasPermission("areashop.addfriendall")) {
-			plugin.message(sender, "addfriend-noPermission");
-			return;
-		}
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-		if(args.length < 2) {
-			plugin.message(sender, "addfriend-help");
-			return;
-		}
+    @Override
+    public String getCommandStart() {
+        return "areashop addfriend";
+    }
 
-		GeneralRegion region;
-		if(args.length <= 2) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
-				return;
-			}
-		}
-		if(sender.hasPermission("areashop.addfriendall")) {
-			if((region instanceof RentRegion && !((RentRegion)region).isRented())
-					|| (region instanceof BuyRegion && !((BuyRegion)region).isSold())) {
-				plugin.message(sender, "addfriend-noOwner", region);
-				return;
-			}
-			OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-			if(friend.getLastPlayed() == 0 && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
-				plugin.message(sender, "addfriend-notVisited", args[1], region);
-				return;
-			}
-			if(region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-				plugin.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
-				return;
-			}
-			if(region.isOwner(friend.getUniqueId())) {
-				plugin.message(sender, "addfriend-self", friend.getName(), region);
-				return;
-			}
-			if(region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
-				region.update();
-				plugin.message(sender, "addfriend-successOther", friend.getName(), region);
-			}
-		} else {
-			if(sender.hasPermission("areashop.addfriend") && sender instanceof Player) {
-				if(region.isOwner((Player)sender)) {
-					OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-					if(friend.getLastPlayed() == 0 && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
-						plugin.message(sender, "addfriend-notVisited", args[1], region);
-						return;
-					}
-					if(region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-						plugin.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
-						return;
-					}
-					if(region.isOwner(friend.getUniqueId())) {
-						plugin.message(sender, "addfriend-self", friend.getName(), region);
-						return;
-					}
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.addfriendall") || target.hasPermission("areashop.addfriend")) {
+            return "help-addFriend";
+        }
+        return null;
+    }
 
-					if(region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
-						region.update();
-						plugin.message(sender, "addfriend-success", friend.getName(), region);
-					}
-				} else {
-					plugin.message(sender, "addfriend-noPermissionOther", region);
-				}
-			} else {
-				plugin.message(sender, "addfriend-noPermission", region);
-			}
-		}
-	}
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.addfriend") && !sender.hasPermission("areashop.addfriendall")) {
+            messageBridge.message(sender, "addfriend-noPermission");
+            return;
+        }
 
-	@Override
-	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		ArrayList<String> result = new ArrayList<>();
-		if(toComplete == 2) {
-			for(Player player : Utils.getOnlinePlayers()) {
-				result.add(player.getName());
-			}
-		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
-		}
-		return result;
-	}
+        if (args.length < 2) {
+            messageBridge.message(sender, "addfriend-help");
+            return;
+        }
+
+        GeneralRegion region;
+        if (args.length == 2) {
+            if (sender instanceof Player player) {
+                // get the region by location
+                List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+                if (regions.isEmpty()) {
+                    messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                    return;
+                } else if (regions.size() > 1) {
+                    messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                    return;
+                } else {
+                    region = regions.get(0);
+                }
+            } else {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+        } else {
+            region = fileManager.getRegion(args[2]);
+            if (region == null) {
+                messageBridge.message(sender, "cmd-notRegistered", args[2]);
+                return;
+            }
+        }
+        if (sender.hasPermission("areashop.addfriendall")) {
+            if ((region instanceof RentRegion rentRegion && !rentRegion.isRented())
+                    || (region instanceof BuyRegion buyRegion && !buyRegion.isSold())) {
+                messageBridge.message(sender, "addfriend-noOwner", region);
+                return;
+            }
+            this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+                if (friend.hasPlayedBefore() && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
+                    messageBridge.message(sender, "addfriend-notVisited", args[1], region);
+                } else if (region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                    messageBridge.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
+                } else if (region.isOwner(friend.getUniqueId())) {
+                    messageBridge.message(sender, "addfriend-self", friend.getName(), region);
+                } else if (region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
+                    region.update();
+                    messageBridge.message(sender, "addfriend-successOther", friend.getName(), region);
+                }
+            }, this.executor);
+            return;
+        }
+        if (!sender.hasPermission("areashop.addfriend") || !(sender instanceof Player player)) {
+            messageBridge.message(sender, "addfriend-noPermission", region);
+            return;
+        }
+        if (!region.isOwner(player)) {
+            messageBridge.message(sender, "addfriend-noPermissionOther", region);
+            return;
+        }
+        this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+            if (friend.getLastPlayed() == 0 && !friend.isOnline() && !plugin.getConfig().getBoolean("addFriendNotExistingPlayers")) {
+                messageBridge.message(sender, "addfriend-notVisited", args[1], region);
+            } else if (region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                messageBridge.message(sender, "addfriend-alreadyAdded", friend.getName(), region);
+            } else if (region.isOwner(friend.getUniqueId())) {
+                messageBridge.message(sender, "addfriend-self", friend.getName(), region);
+            } else if (region.getFriendsFeature().addFriend(friend.getUniqueId(), sender)) {
+                region.update();
+                messageBridge.message(sender, "addfriend-success", friend.getName(), region);
+            }
+        }, this.executor);
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        ArrayList<String> result = new ArrayList<>();
+        if (toComplete == 2) {
+            for (Player player : Utils.getOnlinePlayers()) {
+                result.add(player.getName());
+            }
+        } else if (toComplete == 3) {
+            result.addAll(fileManager.getRegionNames());
+        }
+        return result;
+    }
 }
 
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/AddsignCommand.java

@@ -1,23 +1,39 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
-import org.bukkit.material.Sign;
+import org.bukkit.plugin.Plugin;
 import org.bukkit.util.BlockIterator;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.Set;
 
+@Singleton
 public class AddsignCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private SignManager signManager;
+	@Inject
+	private Plugin plugin;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop addsign";
@@ -34,14 +50,13 @@ public class AddsignCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.addsign")) {
-			plugin.message(sender, "addsign-noPermission");
+			messageBridge.message(sender, "addsign-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 
 		// Get the sign
 		Block block = null;
@@ -53,51 +68,51 @@ public class AddsignCommand extends CommandAreaShop {
 			}
 		}
 		if(block == null || !Materials.isSign(block.getType())) {
-			plugin.message(sender, "addsign-noSign");
+			messageBridge.message(sender, "addsign-noSign");
 			return;
 		}
 
 		GeneralRegion region;
 		if(args.length > 1) {
 			// Get region by argument
-			region = plugin.getFileManager().getRegion(args[1]);
+			region = fileManager.getRegion(args[1]);
 			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[1]);
+				messageBridge.message(sender, "cmd-notRegistered", args[1]);
 				return;
 			}
 		} else {
 			// Get region by sign position
 			List<GeneralRegion> regions = Utils.getImportantRegions(block.getLocation());
 			if(regions.isEmpty()) {
-				plugin.message(sender, "addsign-noRegions");
+				messageBridge.message(sender, "addsign-noRegions");
 				return;
 			} else if(regions.size() > 1) {
-				plugin.message(sender, "addsign-couldNotDetect", regions.get(0).getName(), regions.get(1).getName());
+				messageBridge.message(sender, "addsign-couldNotDetect", regions.get(0).getName(), regions.get(1).getName());
 				return;
 			}
 			region = regions.get(0);
 		}
-		Sign sign = (Sign)block.getState().getData();
 		String profile = null;
 		if(args.length > 2) {
 			profile = args[2];
 			Set<String> profiles = plugin.getConfig().getConfigurationSection("signProfiles").getKeys(false);
 			if(!profiles.contains(profile)) {
-				plugin.message(sender, "addsign-wrongProfile", Utils.createCommaSeparatedList(profiles), region);
+				messageBridge.message(sender, "addsign-wrongProfile", Utils.createCommaSeparatedList(profiles), region);
 				return;
 			}
 		}
-		RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-		if(regionSign != null) {
-			plugin.message(sender, "addsign-alreadyRegistered", regionSign.getRegion());
+		Optional<RegionSign> optionalRegionSign = signManager.signFromLocation(block.getLocation());
+		if(optionalRegionSign.isPresent()) {
+			RegionSign regionSign = optionalRegionSign.get();
+			messageBridge.message(sender, "addsign-alreadyRegistered", regionSign.getRegion());
 			return;
 		}
 
-		region.getSignsFeature().addSign(block.getLocation(), block.getType(), sign.getFacing(), profile);
+		region.getSignsFeature().addSign(block.getLocation(), block.getType(), SignUtils.getSignFacing(block), profile);
 		if(profile == null) {
-			plugin.message(sender, "addsign-success", region);
+			messageBridge.message(sender, "addsign-success", region);
 		} else {
-			plugin.message(sender, "addsign-successProfile", profile, region);
+			messageBridge.message(sender, "addsign-successProfile", profile, region);
 		}
 		region.update();
 	}
@@ -106,7 +121,7 @@ public class AddsignCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		} else if(toComplete == 3) {
 			result.addAll(plugin.getConfig().getStringList("signProfiles"));
 		}

AreaShop/src/main/java/me/wiefferink/areashop/commands/BuyCommand.java

@@ -1,15 +1,28 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class BuyCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private Plugin plugin;
+	@Inject
+	private IFileManager fileManager;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop buy";
@@ -26,18 +39,17 @@ public class BuyCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.buy")) {
-			plugin.message(sender, "buy-noPermission");
+			messageBridge.message(sender, "buy-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 		if(args.length > 1 && args[1] != null) {
-			BuyRegion region = plugin.getFileManager().getBuy(args[1]);
+			BuyRegion region = fileManager.getBuy(args[1]);
 			if(region == null) {
-				plugin.message(player, "buy-notBuyable", args[1]);
+				messageBridge.message(player, "buy-notBuyable", args[1]);
 			} else {
 				region.buy(player);
 			}
@@ -45,9 +57,9 @@ public class BuyCommand extends CommandAreaShop {
 			// get the region by location
 			List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
 			if(regions.isEmpty()) {
-				plugin.message(sender, "cmd-noRegionsAtLocation");
+				messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			} else if(regions.size() > 1) {
-				plugin.message(sender, "cmd-moreRegionsAtLocation");
+				messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 			} else {
 				regions.get(0).buy(player);
 			}
@@ -58,7 +70,7 @@ public class BuyCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(!region.isSold()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/CommandAreaShop.java

@@ -1,8 +1,13 @@
 package me.wiefferink.areashop.commands;
 
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.tools.SimpleMessageBridge;
 import me.wiefferink.interactivemessenger.processing.Message;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.minimessage.MiniMessage;
 import org.apache.commons.lang.StringUtils;
+import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 
@@ -16,11 +21,9 @@ import java.util.Map;
  */
 public abstract class CommandAreaShop {
 
-	final AreaShop plugin = AreaShop.getInstance();
-
 	private final Map<String, CommandTime> lastUsed;
 
-	public CommandAreaShop() {
+	protected CommandAreaShop() {
 		lastUsed = new HashMap<>();
 	}
 
@@ -84,14 +87,15 @@ public abstract class CommandAreaShop {
 			return true;
 		}
 
-		message.prefix().append(Message.fromKey("confirm-yes").replacements(command)).send(sender);
+		Message m = message.prefix().append(Message.fromKey("confirm-yes").replacements(command));
+		SimpleMessageBridge.send(m, sender);
 		lastUsed.put(sender.getName(), new CommandTime(command, now));
 		return false;
 	}
 
-	private class CommandTime {
-		public String command;
-		public long time;
+	private static class CommandTime {
+		public final String command;
+		public final long time;
 
 		CommandTime(String command, long time) {
 			this.command = command;

AreaShop/src/main/java/me/wiefferink/areashop/commands/DelCommand.java

@@ -1,6 +1,12 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.events.ask.DeletingRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -12,8 +18,16 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeSet;
 
+@Singleton
 public class DelCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop del";
@@ -34,76 +48,91 @@ public class DelCommand extends CommandAreaShop {
 
 				&& !sender.hasPermission("areashop.destroyrent")
 				&& !sender.hasPermission("areashop.destroyrent.landlord")) {
-			plugin.message(sender, "del-noPermission");
+			messageBridge.message(sender, "del-noPermission");
 			return;
 		}
 		if(args.length < 2) {
 			// Only players can have a selection
-			if(!(sender instanceof Player)) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+			if(!(sender instanceof Player player)) {
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			Player player = (Player)sender;
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			List<GeneralRegion> regions = Utils.getRegionsInSelection(selection);
-			if(regions == null || regions.size() == 0) {
-				plugin.message(player, "cmd-noRegionsFound");
+			if(regions == null || regions.isEmpty()) {
+				messageBridge.message(player, "cmd-noRegionsFound");
 				return;
 			}
 			// Start removing the regions that he has permission for
 			ArrayList<String> namesSuccess = new ArrayList<>();
-			TreeSet<GeneralRegion> namesFailed = new TreeSet<>();
+			TreeSet<GeneralRegion> regionsFailed = new TreeSet<>();
+			TreeSet<GeneralRegion> regionsCancelled = new TreeSet<>();
 			for(GeneralRegion region : regions) {
 				boolean isLandlord = region.isLandlord(((Player)sender).getUniqueId());
 				if(region instanceof RentRegion) {
 					if(!sender.hasPermission("areashop.destroyrent") && !(isLandlord && sender.hasPermission("areashop.destroyrent.landlord"))) {
-						namesFailed.add(region);
-					} else {
-						plugin.getFileManager().removeRent((RentRegion)region, true);
-						namesSuccess.add(region.getName());
+						regionsFailed.add(region);
+						continue;
 					}
 				} else if(region instanceof BuyRegion) {
 					if(!sender.hasPermission("areashop.destroybuy") && !(isLandlord && sender.hasPermission("areashop.destroybuy.landlord"))) {
-						namesFailed.add(region);
-					} else {
-						plugin.getFileManager().removeBuy((BuyRegion)region, true);
-						namesSuccess.add(region.getName());
+						regionsFailed.add(region);
+						continue;
 					}
 				}
+
+				DeletingRegionEvent event = fileManager.deleteRegion(region, true);
+				if (event.isCancelled()) {
+					regionsCancelled.add(region);
+				} else {
+					namesSuccess.add(region.getName());
+				}
 			}
-			// send messages
-			if(namesSuccess.size() != 0) {
-				plugin.message(sender, "del-success", Utils.createCommaSeparatedList(namesSuccess));
+
+			// Send messages
+			if(!namesSuccess.isEmpty()) {
+				messageBridge.message(sender, "del-success", Utils.createCommaSeparatedList(namesSuccess));
 			}
-			if(namesFailed.size() != 0) {
-				plugin.message(sender, "del-failed", Utils.combinedMessage(namesFailed, "region"));
+			if(!regionsFailed.isEmpty()) {
+				messageBridge.message(sender, "del-failed", Utils.combinedMessage(regionsFailed, "region"));
+			}
+			if(!regionsCancelled.isEmpty()) {
+				messageBridge.message(sender, "del-cancelled", Utils.combinedMessage(regionsCancelled, "region"));
 			}
 		} else {
-			GeneralRegion region = plugin.getFileManager().getRegion(args[1]);
+			GeneralRegion region = fileManager.getRegion(args[1]);
 			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[1]);
+				messageBridge.message(sender, "cmd-notRegistered", args[1]);
 				return;
 			}
 			boolean isLandlord = sender instanceof Player && region.isLandlord(((Player)sender).getUniqueId());
 			if(region instanceof RentRegion) {
 				// Remove the rent if the player has permission
 				if(sender.hasPermission("areashop.destroyrent") || (isLandlord && sender.hasPermission("areashop.destroyrent.landlord"))) {
-					plugin.getFileManager().removeRent((RentRegion)region, true);
-					plugin.message(sender, "destroy-successRent", region);
+					DeletingRegionEvent event = fileManager.deleteRegion(region, true);
+					if (event.isCancelled()) {
+						messageBridge.message(sender, "general-cancelled", event.getReason());
+					} else {
+						messageBridge.message(sender, "destroy-successRent", region);
+					}
 				} else {
-					plugin.message(sender, "destroy-noPermissionRent", region);
+					messageBridge.message(sender, "destroy-noPermissionRent", region);
 				}
 			} else if(region instanceof BuyRegion) {
 				// Remove the buy if the player has permission
 				if(sender.hasPermission("areashop.destroybuy") || (isLandlord && sender.hasPermission("areashop.destroybuy.landlord"))) {
-					plugin.getFileManager().removeBuy((BuyRegion)region, true);
-					plugin.message(sender, "destroy-successBuy", region);
+					DeletingRegionEvent event = fileManager.deleteRegion(region, true);
+					if (event.isCancelled()) {
+						messageBridge.message(sender, "general-cancelled", event.getReason());
+					} else {
+						messageBridge.message(sender, "destroy-successBuy", region);
+					}
 				} else {
-					plugin.message(sender, "destroy-noPermissionBuy", region);
+					messageBridge.message(sender, "destroy-noPermissionBuy", region);
 				}
 			}
 		}
@@ -113,7 +142,7 @@ public class DelCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/DelfriendCommand.java

@@ -1,120 +1,134 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class DelfriendCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop delfriend";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.delfriendall") || target.hasPermission("areashop.delfriend")) {
-			return "help-delFriend";
-		}
-		return null;
-	}
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
 
-	/**
-	 * Check if a person can remove friends.
-	 * @param person The person to check
-	 * @param region The region to check for
-	 * @return true if the person can remove friends, otherwise false
-	 */
-	public static boolean canUse(CommandSender person, GeneralRegion region) {
-		if(person.hasPermission("areashop.delfriendall")) {
-			return true;
-		}
-		if(person instanceof Player) {
-			Player player = (Player)person;
-			return region.isOwner(player) && player.hasPermission("areashop.delfriend");
-		}
-		return false;
-	}
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-	@SuppressWarnings("deprecation")
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.delfriend") && !sender.hasPermission("areashop.delfriendall")) {
-			plugin.message(sender, "delfriend-noPermission");
-			return;
-		}
-		if(args.length < 2) {
-			plugin.message(sender, "delfriend-help");
-			return;
-		}
-		GeneralRegion region;
-		if(args.length <= 2) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
-				return;
-			}
-		}
-		if(sender.hasPermission("areashop.delfriendall")) {
-			if((region instanceof RentRegion && !((RentRegion)region).isRented())
-					|| (region instanceof BuyRegion && !((BuyRegion)region).isSold())) {
-				plugin.message(sender, "delfriend-noOwner", region);
-				return;
-			}
-			OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-			if(!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-				plugin.message(sender, "delfriend-notAdded", friend.getName(), region);
-				return;
-			}
-			if(region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
-				region.update();
-				plugin.message(sender, "delfriend-successOther", friend.getName(), region);
-			}
-		} else {
-			if(sender.hasPermission("areashop.delfriend") && sender instanceof Player) {
-				if(region.isOwner((Player)sender)) {
-					OfflinePlayer friend = Bukkit.getOfflinePlayer(args[1]);
-					if(!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
-						plugin.message(sender, "delfriend-notAdded", friend.getName(), region);
-						return;
-					}
-					if(region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
-						region.update();
-						plugin.message(sender, "delfriend-success", friend.getName(), region);
-					}
-				} else {
-					plugin.message(sender, "delfriend-noPermissionOther", region);
-				}
-			} else {
-				plugin.message(sender, "delfriend-noPermission", region);
-			}
-		}
-	}
+    @Override
+    public String getCommandStart() {
+        return "areashop delfriend";
+    }
+
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.delfriendall") || target.hasPermission("areashop.delfriend")) {
+            return "help-delFriend";
+        }
+        return null;
+    }
+
+    /**
+     * Check if a person can remove friends.
+     *
+     * @param person The person to check
+     * @param region The region to check for
+     * @return true if the person can remove friends, otherwise false
+     */
+    public static boolean canUse(CommandSender person, GeneralRegion region) {
+        if (person.hasPermission("areashop.delfriendall")) {
+            return true;
+        }
+        if (person instanceof Player player) {
+            return region.isOwner(player) && player.hasPermission("areashop.delfriend");
+        }
+        return false;
+    }
+
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.delfriend") && !sender.hasPermission("areashop.delfriendall")) {
+            messageBridge.message(sender, "delfriend-noPermission");
+            return;
+        }
+        if (args.length < 2) {
+            messageBridge.message(sender, "delfriend-help");
+            return;
+        }
+        GeneralRegion region;
+        if (args.length == 2) {
+            if (!(sender instanceof Player player)) {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+            // get the region by location
+            List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+            if (regions.isEmpty()) {
+                messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                return;
+            } else if (regions.size() > 1) {
+                messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                return;
+            } else {
+                region = regions.get(0);
+            }
+        } else {
+            region = fileManager.getRegion(args[2]);
+            if (region == null) {
+                messageBridge.message(sender, "cmd-notRegistered", args[2]);
+                return;
+            }
+        }
+        if (sender.hasPermission("areashop.delfriendall")) {
+            if ((region instanceof RentRegion rentRegion && !rentRegion.isRented())
+                    || (region instanceof BuyRegion buyRegion && !buyRegion.isSold())) {
+                messageBridge.message(sender, "delfriend-noOwner", region);
+                return;
+            }
+            this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+                if (!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                    messageBridge.message(sender, "delfriend-notAdded", friend.getName(), region);
+                    return;
+                }
+                if (region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
+                    region.update();
+                    messageBridge.message(sender, "delfriend-successOther", friend.getName(), region);
+                }
+            }, this.executor);
+            return;
+        }
+        if (!sender.hasPermission("areashop.delfriend") || !(sender instanceof Player player)) {
+            messageBridge.message(sender, "delfriend-noPermission", region);
+            return;
+        }
+        if (!region.isOwner(player)) {
+            messageBridge.message(sender, "delfriend-noPermissionOther", region);
+            return;
+        }
+        this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(friend -> {
+            if (!region.getFriendsFeature().getFriends().contains(friend.getUniqueId())) {
+                messageBridge.message(sender, "delfriend-notAdded", friend.getName(), region);
+            } else if (region.getFriendsFeature().deleteFriend(friend.getUniqueId(), sender)) {
+                region.update();
+                messageBridge.message(sender, "delfriend-success", friend.getName(), region);
+            }
+        }, this.executor);
+    }
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
@@ -124,7 +138,7 @@ public class DelfriendCommand extends CommandAreaShop {
 				result.add(player.getName());
 			}
 		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/DelsignCommand.java

@@ -1,7 +1,10 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.features.signs.SignManager;
 import me.wiefferink.areashop.tools.Materials;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
@@ -11,9 +14,16 @@ import org.bukkit.util.BlockIterator;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 
+@Singleton
 public class DelsignCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private SignManager signManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop delsign";
@@ -30,35 +40,37 @@ public class DelsignCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.delsign")) {
-			plugin.message(sender, "delsign-noPermission");
+			messageBridge.message(sender, "delsign-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 
 		// Get the sign
 		Block block = null;
 		BlockIterator blockIterator = new BlockIterator(player, 100);
 		while(blockIterator.hasNext() && block == null) {
 			Block next = blockIterator.next();
-			if(next.getType() != Material.AIR) {
+			if(!next.getType().isAir()) {
 				block = next;
 			}
 		}
 		if(block == null || !Materials.isSign(block.getType())) {
-			plugin.message(sender, "delsign-noSign");
+			messageBridge.message(sender, "delsign-noSign");
 			return;
 		}
-		RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-		if(regionSign == null) {
-			plugin.message(sender, "delsign-noRegion");
+		Optional<RegionSign> optionalSign = signManager.removeSign(block.getLocation());
+		if(optionalSign.isEmpty()) {
+			messageBridge.message(sender, "delsign-noRegion");
 			return;
 		}
-		plugin.message(sender, "delsign-success", regionSign.getRegion());
+		RegionSign regionSign = optionalSign.get();
+		messageBridge.message(sender, "delsign-success", regionSign.getRegion());
 		regionSign.remove();
+		// Sometimes the RegionSign data is corrupted. Forcefully set the block to air
+		block.setType(Material.AIR);
 	}
 
 	@Override

AreaShop/src/main/java/me/wiefferink/areashop/commands/FindCommand.java

@@ -1,19 +1,35 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
+import net.milkbowl.vault.economy.Economy;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
+import java.util.Collection;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Random;
+import java.util.concurrent.ThreadLocalRandom;
 
+@Singleton
 public class FindCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private Economy economy;
+	@Inject
+	private IFileManager fileManager;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop find";
@@ -30,21 +46,20 @@ public class FindCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.find")) {
-			plugin.message(sender, "find-noPermission");
+			messageBridge.message(sender, "find-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
 		if(args.length <= 1 || args[1] == null || (!args[1].equalsIgnoreCase("buy") && !args[1].equalsIgnoreCase("rent"))) {
-			plugin.message(sender, "find-help");
+			messageBridge.message(sender, "find-help");
 			return;
 		}
-		Player player = (Player)sender;
 		double balance = 0.0;
-		if(plugin.getEconomy() != null) {
-			balance = plugin.getEconomy().getBalance(player);
+		if(economy != null) {
+			balance = economy.getBalance(player);
 		}
 		double maxPrice = 0;
 		boolean maxPriceSet = false;
@@ -55,23 +70,23 @@ public class FindCommand extends CommandAreaShop {
 				maxPrice = Double.parseDouble(args[2]);
 				maxPriceSet = true;
 			} catch(NumberFormatException e) {
-				plugin.message(sender, "find-wrongMaxPrice", args[2]);
+				messageBridge.message(sender, "find-wrongMaxPrice", args[2]);
 				return;
 			}
 		}
 		// Parse optional group argument
 		if(args.length >= 4) {
-			group = plugin.getFileManager().getGroup(args[3]);
+			group = fileManager.getGroup(args[3]);
 			if(group == null) {
-				plugin.message(sender, "find-wrongGroup", args[3]);
+				messageBridge.message(sender, "find-wrongGroup", args[3]);
 				return;
 			}
 		}
 
 		// Find buy regions
 		if(args[1].equalsIgnoreCase("buy")) {
-			List<BuyRegion> regions = plugin.getFileManager().getBuys();
-			List<BuyRegion> results = new ArrayList<>();
+			Collection<BuyRegion> regions = fileManager.getBuysRef();
+			List<BuyRegion> results = new LinkedList<>();
 			for(BuyRegion region : regions) {
 				if(!region.isSold()
 						&& ((region.getPrice() <= balance && !maxPriceSet) || (region.getPrice() <= maxPrice && maxPriceSet))
@@ -82,7 +97,7 @@ public class FindCommand extends CommandAreaShop {
 			}
 			if(!results.isEmpty()) {
 				// Draw a random one
-				BuyRegion region = results.get(new Random().nextInt(results.size()));
+				BuyRegion region = results.get(ThreadLocalRandom.current().nextInt(results.size()));
 				Message onlyInGroup = Message.empty();
 				if(group != null) {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
@@ -90,9 +105,9 @@ public class FindCommand extends CommandAreaShop {
 
 				// Teleport
 				if(maxPriceSet) {
-					plugin.message(player, "find-successMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup, region);
+					messageBridge.message(player, "find-successMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup, region);
 				} else {
-					plugin.message(player, "find-success", "buy", Utils.formatCurrency(balance), onlyInGroup, region);
+					messageBridge.message(player, "find-success", "buy", Utils.formatCurrency(balance), onlyInGroup, region);
 				}
 				region.getTeleportFeature().teleportPlayer(player, region.getBooleanSetting("general.findTeleportToSign"), false);
 			} else {
@@ -101,17 +116,17 @@ public class FindCommand extends CommandAreaShop {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
 				}
 				if(maxPriceSet) {
-					plugin.message(player, "find-noneFoundMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup);
+					messageBridge.message(player, "find-noneFoundMax", "buy", Utils.formatCurrency(maxPrice), onlyInGroup);
 				} else {
-					plugin.message(player, "find-noneFound", "buy", Utils.formatCurrency(balance), onlyInGroup);
+					messageBridge.message(player, "find-noneFound", "buy", Utils.formatCurrency(balance), onlyInGroup);
 				}
 			}
 		}
 
 		// Find rental regions
 		else {
-			List<RentRegion> regions = plugin.getFileManager().getRents();
-			List<RentRegion> results = new ArrayList<>();
+			Collection<RentRegion> regions = fileManager.getRentsRef();
+			List<RentRegion> results = new LinkedList<>();
 			for(RentRegion region : regions) {
 				if(!region.isRented()
 						&& ((region.getPrice() <= balance && !maxPriceSet) || (region.getPrice() <= maxPrice && maxPriceSet))
@@ -122,7 +137,7 @@ public class FindCommand extends CommandAreaShop {
 			}
 			if(!results.isEmpty()) {
 				// Draw a random one
-				RentRegion region = results.get(new Random().nextInt(results.size()));
+				RentRegion region = results.get(ThreadLocalRandom.current().nextInt(results.size()));
 				Message onlyInGroup = Message.empty();
 				if(group != null) {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
@@ -130,9 +145,9 @@ public class FindCommand extends CommandAreaShop {
 
 				// Teleport
 				if(maxPriceSet) {
-					plugin.message(player, "find-successMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup, region);
+					messageBridge.message(player, "find-successMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup, region);
 				} else {
-					plugin.message(player, "find-success", "rent", Utils.formatCurrency(balance), onlyInGroup, region);
+					messageBridge.message(player, "find-success", "rent", Utils.formatCurrency(balance), onlyInGroup, region);
 				}
 				region.getTeleportFeature().teleportPlayer(player, region.getBooleanSetting("general.findTeleportToSign"), false);
 			} else {
@@ -141,9 +156,9 @@ public class FindCommand extends CommandAreaShop {
 					onlyInGroup = Message.fromKey("find-onlyInGroup").replacements(args[3]);
 				}
 				if(maxPriceSet) {
-					plugin.message(player, "find-noneFoundMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup);
+					messageBridge.message(player, "find-noneFoundMax", "rent", Utils.formatCurrency(maxPrice), onlyInGroup);
 				} else {
-					plugin.message(player, "find-noneFound", "rent", Utils.formatCurrency(balance), onlyInGroup);
+					messageBridge.message(player, "find-noneFound", "rent", Utils.formatCurrency(balance), onlyInGroup);
 				}
 			}
 		}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GroupaddCommand.java

@@ -1,7 +1,13 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -11,8 +17,19 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeSet;
 
+@Singleton
 public class GroupaddCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private RegionFactory regionFactory;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop groupadd";
@@ -29,32 +46,31 @@ public class GroupaddCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.groupadd")) {
-			plugin.message(sender, "groupadd-noPermission");
+			messageBridge.message(sender, "groupadd-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "groupadd-help");
+			messageBridge.message(sender, "groupadd-help");
 			return;
 		}
-		RegionGroup group = plugin.getFileManager().getGroup(args[1]);
+		RegionGroup group = fileManager.getGroup(args[1]);
 		if(group == null) {
-			group = new RegionGroup(plugin, args[1]);
-			plugin.getFileManager().addGroup(group);
+			group = regionFactory.createRegionGroup(args[1]);
+			fileManager.addGroup(group);
 		}
 		if(args.length == 2) {
-			if(!(sender instanceof Player)) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+			if(!(sender instanceof Player player)) {
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			Player player = (Player)sender;
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			List<GeneralRegion> regions = Utils.getRegionsInSelection(selection);
-			if(regions.size() == 0) {
-				plugin.message(player, "cmd-noRegionsFound");
+			if(regions.isEmpty()) {
+				messageBridge.message(player, "cmd-noRegionsFound");
 				return;
 			}
 			TreeSet<GeneralRegion> regionsSuccess = new TreeSet<>();
@@ -66,25 +82,25 @@ public class GroupaddCommand extends CommandAreaShop {
 					regionsFailed.add(region);
 				}
 			}
-			if(regionsSuccess.size() != 0) {
-				plugin.message(player, "groupadd-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
+			if(!regionsSuccess.isEmpty()) {
+				messageBridge.message(player, "groupadd-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
 			}
-			if(regionsFailed.size() != 0) {
-				plugin.message(player, "groupadd-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
+			if(!regionsFailed.isEmpty()) {
+				messageBridge.message(player, "groupadd-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
 			}
 			// Update all regions, this does it in a task, updating them without lag
-			plugin.getFileManager().updateRegions(new ArrayList<>(regionsSuccess), player);
+			fileManager.updateRegions(new ArrayList<>(regionsSuccess), player);
 		} else {
-			GeneralRegion region = plugin.getFileManager().getRegion(args[2]);
+			GeneralRegion region = fileManager.getRegion(args[2]);
 			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
+				messageBridge.message(sender, "cmd-notRegistered", args[2]);
 				return;
 			}
 			if(group.addMember(region)) {
 				region.update();
-				plugin.message(sender, "groupadd-success", group.getName(), group.getMembers().size(), region);
+				messageBridge.message(sender, "groupadd-success", group.getName(), group.getMembers().size(), region);
 			} else {
-				plugin.message(sender, "groupadd-failed", group.getName(), region);
+				messageBridge.message(sender, "groupadd-failed", group.getName(), region);
 			}
 		}
 	}
@@ -93,9 +109,9 @@ public class GroupaddCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getGroupNames();
+			result = fileManager.getGroupNames();
 		} else if(toComplete == 3) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GroupdelCommand.java

@@ -1,7 +1,13 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -11,8 +17,18 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeSet;
 
+@Singleton
 public class GroupdelCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private RegionFactory regionFactory;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop groupdel";
@@ -29,33 +45,32 @@ public class GroupdelCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.groupdel")) {
-			plugin.message(sender, "groupdel-noPermission");
+			messageBridge.message(sender, "groupdel-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "groupdel-help");
+			messageBridge.message(sender, "groupdel-help");
 			return;
 		}
-		RegionGroup group = plugin.getFileManager().getGroup(args[1]);
+		RegionGroup group = fileManager.getGroup(args[1]);
 		if(group == null) {
-			plugin.message(sender, "groupdel-wrongGroup", args[1]);
+			messageBridge.message(sender, "groupdel-wrongGroup", args[1]);
 			return;
 		}
 
 		if(args.length == 2) {
-			if(!(sender instanceof Player)) {
-				plugin.message(sender, "cmd-weOnlyByPlayer");
+			if(!(sender instanceof Player player)) {
+				messageBridge.message(sender, "cmd-weOnlyByPlayer");
 				return;
 			}
-			Player player = (Player)sender;
-			WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+			WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 			if(selection == null) {
-				plugin.message(player, "cmd-noSelection");
+				messageBridge.message(player, "cmd-noSelection");
 				return;
 			}
 			List<GeneralRegion> regions = Utils.getRegionsInSelection(selection);
-			if(regions.size() == 0) {
-				plugin.message(player, "cmd-noRegionsFound");
+			if(regions.isEmpty()) {
+				messageBridge.message(player, "cmd-noRegionsFound");
 				return;
 			}
 			TreeSet<GeneralRegion> regionsSuccess = new TreeSet<>();
@@ -67,26 +82,26 @@ public class GroupdelCommand extends CommandAreaShop {
 					regionsFailed.add(region);
 				}
 			}
-			if(regionsSuccess.size() != 0) {
-				plugin.message(player, "groupdel-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
+			if(!regionsSuccess.isEmpty()) {
+				messageBridge.message(player, "groupdel-weSuccess", group.getName(), Utils.combinedMessage(regionsSuccess, "region"));
 			}
-			if(regionsFailed.size() != 0) {
-				plugin.message(player, "groupdel-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
+			if(!regionsFailed.isEmpty()) {
+				messageBridge.message(player, "groupdel-weFailed", group.getName(), Utils.combinedMessage(regionsFailed, "region"));
 			}
 			// Update all regions, this does it in a task, updating them without lag
-			plugin.getFileManager().updateRegions(new ArrayList<>(regionsSuccess), player);
+			fileManager.updateRegions(regionsSuccess, player);
 			group.saveRequired();
 		} else {
-			GeneralRegion region = plugin.getFileManager().getRegion(args[2]);
+			GeneralRegion region = fileManager.getRegion(args[2]);
 			if(region == null) {
-				plugin.message(sender, "cmd-notRegistered", args[2]);
+				messageBridge.message(sender, "cmd-notRegistered", args[2]);
 				return;
 			}
 			if(group.removeMember(region)) {
 				region.update();
-				plugin.message(sender, "groupdel-success", group.getName(), group.getMembers().size(), region);
+				messageBridge.message(sender, "groupdel-success", group.getName(), group.getMembers().size(), region);
 			} else {
-				plugin.message(sender, "groupdel-failed", group.getName(), region);
+				messageBridge.message(sender, "groupdel-failed", group.getName(), region);
 			}
 		}
 	}
@@ -95,9 +110,9 @@ public class GroupdelCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getGroupNames();
+			result = fileManager.getGroupNames();
 		} else if(toComplete == 3) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GroupinfoCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
+@Singleton
 public class GroupinfoCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop groupinfo";
@@ -27,23 +37,23 @@ public class GroupinfoCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.groupinfo")) {
-			plugin.message(sender, "groupinfo-noPermission");
+			messageBridge.message(sender, "groupinfo-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "groupinfo-help");
+			messageBridge.message(sender, "groupinfo-help");
 			return;
 		}
-		RegionGroup group = plugin.getFileManager().getGroup(args[1]);
+		RegionGroup group = fileManager.getGroup(args[1]);
 		if(group == null) {
-			plugin.message(sender, "groupinfo-noGroup", args[1]);
+			messageBridge.message(sender, "groupinfo-noGroup", args[1]);
 			return;
 		}
 		Set<String> members = group.getMembers();
-		if(members.size() == 0) {
-			plugin.message(sender, "groupinfo-noMembers", group.getName());
+		if(members.isEmpty()) {
+			messageBridge.message(sender, "groupinfo-noMembers", group.getName());
 		} else {
-			plugin.message(sender, "groupinfo-members", group.getName(), Utils.createCommaSeparatedList(members));
+			messageBridge.message(sender, "groupinfo-members", group.getName(), Utils.createCommaSeparatedList(members));
 		}
 	}
 
@@ -51,7 +61,7 @@ public class GroupinfoCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getGroupNames();
+			result = fileManager.getGroupNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/GrouplistCommand.java

@@ -1,13 +1,23 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class GrouplistCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop grouplist";
@@ -24,14 +34,14 @@ public class GrouplistCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.grouplist")) {
-			plugin.message(sender, "grouplist-noPermission");
+			messageBridge.message(sender, "grouplist-noPermission");
 			return;
 		}
-		List<String> groups = plugin.getFileManager().getGroupNames();
-		if(groups.size() == 0) {
-			plugin.message(sender, "grouplist-noGroups");
+		List<String> groups = fileManager.getGroupNames();
+		if(groups.isEmpty()) {
+			messageBridge.message(sender, "grouplist-noGroups");
 		} else {
-			plugin.message(sender, "grouplist-success", Utils.createCommaSeparatedList(groups));
+			messageBridge.message(sender, "grouplist-success", Utils.createCommaSeparatedList(groups));
 		}
 	}
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/HelpCommand.java

@@ -1,9 +1,20 @@
 package me.wiefferink.areashop.commands;
 
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import me.wiefferink.areashop.managers.CommandManager;
 import org.bukkit.command.CommandSender;
 
+import javax.annotation.Nonnull;
+
 public class HelpCommand extends CommandAreaShop {
 
+	private final CommandManager commandManager;
+
+	public HelpCommand(@Nonnull CommandManager commandManager) {
+		this.commandManager = commandManager;
+	}
+
 	@Override
 	public String getCommandStart() {
 		return "areashop help";
@@ -19,6 +30,6 @@ public class HelpCommand extends CommandAreaShop {
 
 	@Override
 	public void execute(CommandSender sender, String[] args) {
-		plugin.getCommandManager().showHelp(sender);
+		commandManager.showHelp(sender);
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/commands/ImportCommand.java

@@ -1,11 +1,16 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.regions.ImportJobFactory;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.command.CommandSender;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class ImportCommand extends CommandAreaShop {
 
 	/* RegionGroup priority usage:
@@ -13,6 +18,10 @@ public class ImportCommand extends CommandAreaShop {
 	   1: Settings from /worlds/<world>/config.yml
 	   2: Settings from /worlds/<world>/parent-regions.yml (if their priority is set it is added to this value)
 	 */
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private ImportJobFactory importJobFactory;
 
 	@Override
 	public String getCommandStart() {
@@ -27,26 +36,26 @@ public class ImportCommand extends CommandAreaShop {
 		return null;
 	}
 
-	// TODO
-	// - Landlord?
-	// - Friends
-	// - Region flags?
-	// - Settings from the 'permissions' section in RegionForSale/config.yml?
+	// TODO:
+	//  - Landlord?
+	//  - Friends
+	//  - Region flags?
+	//  - Settings from the 'permissions' section in RegionForSale/config.yml?
 
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.import")) {
-			plugin.message(sender, "import-noPermission");
+			messageBridge.message(sender, "import-noPermission");
 			return;
 		}
 
 		if(args.length < 2) {
-			plugin.message(sender, "import-help");
+			messageBridge.message(sender, "import-help");
 			return;
 		}
 
 		if(!"RegionForSale".equalsIgnoreCase(args[1])) {
-			plugin.message(sender, "import-wrongSource");
+			messageBridge.message(sender, "import-wrongSource");
 			return;
 		}
 
@@ -54,7 +63,7 @@ public class ImportCommand extends CommandAreaShop {
 			return;
 		}
 
-		ImportJob importJob = new ImportJob(sender);
+		importJobFactory.createImportJob(sender).execute();
 	}
 
 	@Override

AreaShop/src/main/java/me/wiefferink/areashop/commands/InfoCommand.java

@@ -1,12 +1,23 @@
 package me.wiefferink.areashop.commands;
 
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RegionGroup;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.SimpleMessageBridge;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
-import org.bukkit.Location;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.apache.logging.log4j.message.SimpleMessage;
+import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -18,8 +29,14 @@ import java.util.Set;
 
 // TODO fix '/as info' help message hitting replacement limit (improve depth tracking?)
 // TODO add info about autoExtend
+@Singleton
 public class InfoCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop info";
@@ -50,7 +67,7 @@ public class InfoCommand extends CommandAreaShop {
 			try {
 				page = Integer.parseInt(pageInput);
 			} catch(NumberFormatException e) {
-				plugin.message(sender, "info-wrongPage", pageInput);
+				messageBridge.message(sender, "info-wrongPage", pageInput);
 				return;
 			}
 		}
@@ -58,7 +75,7 @@ public class InfoCommand extends CommandAreaShop {
 			regions.removeIf(generalRegion -> !filterGroup.isMember(generalRegion));
 		}
 		if(regions.isEmpty()) {
-			plugin.message(sender, "info-noRegions");
+			messageBridge.message(sender, "info-noRegions");
 		} else {
 			// First sort by type, then by name
 			regions.sort((one, two) -> {
@@ -74,7 +91,7 @@ public class InfoCommand extends CommandAreaShop {
 			if(filterGroup != null) {
 				limitedToGroup = Message.fromKey("info-limitedToGroup").replacements(filterGroup.getName());
 			}
-			plugin.message(sender, keyHeader, limitedToGroup);
+			messageBridge.message(sender, keyHeader, limitedToGroup);
 			// Page entries
 			int totalPages = (int)Math.ceil(regions.size() / (double)itemsPerPage); // Clip page to correct boundaries, not much need to tell the user
 			if(regions.size() == itemsPerPage + 1) { // 19 total items is mapped to 1 page of 19
@@ -101,7 +118,7 @@ public class InfoCommand extends CommandAreaShop {
 						state = "Reselling";
 					}
 				}
-				plugin.messageNoPrefix(sender, "info-entry" + state, region);
+				messageBridge.messageNoPrefix(sender, "info-entry" + state, region);
 				linesPrinted++;
 			}
 			Message footer = Message.empty();
@@ -113,9 +130,9 @@ public class InfoCommand extends CommandAreaShop {
 			}
 			// Page status
 			if(totalPages > 1) {
-				String pageString = "" + page;
+				StringBuilder pageString = new StringBuilder("" + page);
 				for(int i = pageString.length(); i < (totalPages + "").length(); i++) {
-					pageString = "0" + pageString;
+					pageString.insert(0, "0");
 				}
 				footer.append(Message.fromKey("info-pageStatus").replacements(page, totalPages));
 				if(page < totalPages) {
@@ -127,7 +144,7 @@ public class InfoCommand extends CommandAreaShop {
 				for(int i = linesPrinted; i < maximumItems - 1; i++) {
 					sender.sendMessage(" ");
 				}
-				footer.send(sender);
+				SimpleMessageBridge.send(footer, sender);
 			}
 		}
 	}
@@ -158,7 +175,7 @@ public class InfoCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.info")) {
-			plugin.message(sender, "info-noPermission");
+			messageBridge.message(sender, "info-noPermission");
 			return;
 		}
 		if(args.length > 1 && args[1] != null) {
@@ -167,9 +184,9 @@ public class InfoCommand extends CommandAreaShop {
 			Set<String> groupFilters = new HashSet<>(Arrays.asList("all", "rented", "forrent", "sold", "forsale", "reselling"));
 			if(groupFilters.contains(args[1].toLowerCase()) && args.length > 2) {
 				if(!Utils.isNumeric(args[2])) {
-					filterGroup = plugin.getFileManager().getGroup(args[2]);
+					filterGroup = fileManager.getGroup(args[2]);
 					if(filterGroup == null) {
-						plugin.message(sender, "info-noFiltergroup", args[2]);
+						messageBridge.message(sender, "info-noFiltergroup", args[2]);
 						return;
 					}
 					// Pass page number to args[2] if available
@@ -181,48 +198,48 @@ public class InfoCommand extends CommandAreaShop {
 
 			// All regions
 			if(args[1].equalsIgnoreCase("all")) {
-				showSortedPagedList(sender, plugin.getFileManager().getRegions(), filterGroup, "info-allHeader", (args.length > 2 ? args[2] : null), "info all");
+				showSortedPagedList(sender, new ArrayList<>(fileManager.getRegionsRef()), filterGroup, "info-allHeader", (args.length > 2 ? args[2] : null), "info all");
 			}
 
 			// Rented regions
 			else if(args[1].equalsIgnoreCase("rented")) {
-				List<RentRegion> regions = plugin.getFileManager().getRents();
+				List<RentRegion> regions = new ArrayList<>(fileManager.getRentsRef());
 				regions.removeIf(RentRegion::isAvailable);
 				showSortedPagedList(sender, regions, filterGroup, "info-rentedHeader", (args.length > 2 ? args[2] : null), "info rented");
 			}
 			// Forrent regions
 			else if(args[1].equalsIgnoreCase("forrent")) {
-				List<RentRegion> regions = plugin.getFileManager().getRents();
+				List<RentRegion> regions = new ArrayList<>(fileManager.getRentsRef());
 				regions.removeIf(RentRegion::isRented);
 				showSortedPagedList(sender, regions, filterGroup, "info-forrentHeader", (args.length > 2 ? args[2] : null), "info forrent");
 			}
 			// Sold regions
 			else if(args[1].equalsIgnoreCase("sold")) {
-				List<BuyRegion> regions = plugin.getFileManager().getBuys();
+				List<BuyRegion> regions = new ArrayList<>(fileManager.getBuysRef());
 				regions.removeIf(BuyRegion::isAvailable);
 				showSortedPagedList(sender, regions, filterGroup, "info-soldHeader", (args.length > 2 ? args[2] : null), "info sold");
 			}
 			// Forsale regions
 			else if(args[1].equalsIgnoreCase("forsale")) {
-				List<BuyRegion> regions = plugin.getFileManager().getBuys();
+				List<BuyRegion> regions = new ArrayList<>(fileManager.getBuysRef());
 				regions.removeIf(BuyRegion::isSold);
 				showSortedPagedList(sender, regions, filterGroup, "info-forsaleHeader", (args.length > 2 ? args[2] : null), "info forsale");
 			}
 			// Reselling regions
 			else if(args[1].equalsIgnoreCase("reselling")) {
-				List<BuyRegion> regions = plugin.getFileManager().getBuys();
+				List<BuyRegion> regions = new ArrayList<>(fileManager.getBuysRef());
 				regions.removeIf(region -> !region.isInResellingMode());
 				showSortedPagedList(sender, regions, filterGroup, "info-resellingHeader", (args.length > 2 ? args[2] : null), "info reselling");
 			}
 
 			// List of regions without a group
 			else if(args[1].equalsIgnoreCase("nogroup")) {
-				List<GeneralRegion> regions = plugin.getFileManager().getRegions();
-				for(RegionGroup group : plugin.getFileManager().getGroups()) {
+				List<GeneralRegion> regions = new ArrayList<>(fileManager.getRegionsRef());
+				for(RegionGroup group : fileManager.getGroups()) {
 					regions.removeAll(group.getMemberRegions());
 				}
 				if(regions.isEmpty()) {
-					plugin.message(sender, "info-nogroupNone");
+					messageBridge.message(sender, "info-nogroupNone");
 				} else {
 					showSortedPagedList(sender, regions, filterGroup, "info-nogroupHeader", (args.length > 2 ? args[2] : null), "info nogroup");
 				}
@@ -234,17 +251,17 @@ public class InfoCommand extends CommandAreaShop {
 					RentRegion rent = null;
 					BuyRegion buy = null;
 					if(args.length > 2) {
-						rent = plugin.getFileManager().getRent(args[2]);
-						buy = plugin.getFileManager().getBuy(args[2]);
+						rent = fileManager.getRent(args[2]);
+						buy = fileManager.getBuy(args[2]);
 					} else {
 						if(sender instanceof Player) {
 							// get the region by location
 							List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
 							if(regions.isEmpty()) {
-								plugin.message(sender, "cmd-noRegionsAtLocation");
+								messageBridge.message(sender, "cmd-noRegionsAtLocation");
 								return;
 							} else if(regions.size() > 1) {
-								plugin.message(sender, "cmd-moreRegionsAtLocation");
+								messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 								return;
 							} else {
 								if(regions.get(0) instanceof RentRegion) {
@@ -254,26 +271,26 @@ public class InfoCommand extends CommandAreaShop {
 								}
 							}
 						} else {
-							plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+							messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 							return;
 						}
 					}
 
 					if(rent == null && buy == null) {
-						plugin.message(sender, "info-regionNotExisting", args[2]);
+						messageBridge.message(sender, "info-regionNotExisting", args[2]);
 						return;
 					}
 
 					if(rent != null) {
-						plugin.message(sender, "info-regionHeaderRent", rent);
+						messageBridge.message(sender, "info-regionHeaderRent", rent);
 						if(rent.isRented()) {
-							plugin.messageNoPrefix(sender, "info-regionRented", rent);
-							plugin.messageNoPrefix(sender, "info-regionExtending", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionRented", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionExtending", rent);
 							// Money back
 							if(UnrentCommand.canUse(sender, rent)) {
-								plugin.messageNoPrefix(sender, "info-regionMoneyBackRentClick", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionMoneyBackRentClick", rent);
 							} else {
-								plugin.messageNoPrefix(sender, "info-regionMoneyBackRent", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionMoneyBackRent", rent);
 							}
 							// Friends
 							if(!rent.getFriendsFeature().getFriendNames().isEmpty()) {
@@ -281,30 +298,30 @@ public class InfoCommand extends CommandAreaShop {
 								if(DelfriendCommand.canUse(sender, rent)) {
 									messagePart = "info-friendRemove";
 								}
-								plugin.messageNoPrefix(sender, "info-regionFriends", rent, Utils.combinedMessage(rent.getFriendsFeature().getFriendNames(), messagePart));
+								messageBridge.messageNoPrefix(sender, "info-regionFriends", rent, Utils.combinedMessage(rent.getFriendsFeature().getFriendNames(), messagePart));
 							}
 						} else {
-							plugin.messageNoPrefix(sender, "info-regionCanBeRented", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionCanBeRented", rent);
 						}
 						if(rent.getLandlordName() != null) {
-							plugin.messageNoPrefix(sender, "info-regionLandlord", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionLandlord", rent);
 						}
 						// Maximum extends
 						if(rent.getMaxExtends() != -1) {
 							if(rent.getMaxExtends() == 0) {
-								plugin.messageNoPrefix(sender, "info-regionNoExtending", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionNoExtending", rent);
 							} else if(rent.isRented()) {
-								plugin.messageNoPrefix(sender, "info-regionExtendsLeft", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionExtendsLeft", rent);
 							} else {
-								plugin.messageNoPrefix(sender, "info-regionMaxExtends", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionMaxExtends", rent);
 							}
 						}
 						// If maxExtends is zero it does not make sense to show this message
 						if(rent.getMaxRentTime() != -1 && rent.getMaxExtends() != 0) {
-							plugin.messageNoPrefix(sender, "info-regionMaxRentTime", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionMaxRentTime", rent);
 						}
 						if(rent.getInactiveTimeUntilUnrent() != -1) {
-							plugin.messageNoPrefix(sender, "info-regionInactiveUnrent", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionInactiveUnrent", rent);
 						}
 						// Teleport
 						Message tp = Message.fromKey("info-prefix");
@@ -322,48 +339,48 @@ public class InfoCommand extends CommandAreaShop {
 						}
 						if(foundSomething) {
 							tp.append(".");
-							tp.send(sender);
+							SimpleMessageBridge.send(tp, sender);
 						}
 						// Signs
 						List<String> signLocations = new ArrayList<>();
-						for(Location location : rent.getSignsFeature().getSignLocations()) {
-							signLocations.add(Message.fromKey("info-regionSignLocation").replacements(location.getWorld().getName(), location.getBlockX(), location.getBlockY(), location.getBlockZ()).getPlain());
+						for(BlockPosition location : rent.getSignsFeature().signManager().allSignLocations()) {
+							signLocations.add(Message.fromKey("info-regionSignLocation").replacements(location.getWorld().getName(), location.getX(), location.getY(), location.getZ()).getPlain());
 						}
 						if(!signLocations.isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionSigns", Utils.createCommaSeparatedList(signLocations));
+							messageBridge.messageNoPrefix(sender, "info-regionSigns", Utils.createCommaSeparatedList(signLocations));
 						}
 						// Groups
 						if(sender.hasPermission("areashop.groupinfo") && !rent.getGroupNames().isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(rent.getGroupNames()));
+							messageBridge.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(rent.getGroupNames()));
 						}
 						// Restoring
 						if(rent.isRestoreEnabled()) {
-							plugin.messageNoPrefix(sender, "info-regionRestoringRent", rent);
+							messageBridge.messageNoPrefix(sender, "info-regionRestoringRent", rent);
 						}
 						// Restrictions
 						if(!rent.isRented()) {
 							if(rent.restrictedToRegion()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedRegionRent", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedRegionRent", rent);
 							} else if(rent.restrictedToWorld()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedWorldRent", rent);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedWorldRent", rent);
 							}
 						}
-						plugin.messageNoPrefix(sender, "info-regionFooterRent", rent);
+						messageBridge.messageNoPrefix(sender, "info-regionFooterRent", rent);
 					} else if(buy != null) {
-						plugin.message(sender, "info-regionHeaderBuy", buy);
+						messageBridge.message(sender, "info-regionHeaderBuy", buy);
 						if(buy.isSold()) {
 							if(buy.isInResellingMode()) {
-								plugin.messageNoPrefix(sender, "info-regionReselling", buy);
-								plugin.messageNoPrefix(sender, "info-regionReselPrice", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionReselling", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionReselPrice", buy);
 							} else {
-								plugin.messageNoPrefix(sender, "info-regionBought", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionBought", buy);
 							}
 							// Money back
 							if(!buy.getBooleanSetting("buy.sellDisabled")) {
 								if (SellCommand.canUse(sender, buy)) {
-									plugin.messageNoPrefix(sender, "info-regionMoneyBackBuyClick", buy);
+									messageBridge.messageNoPrefix(sender, "info-regionMoneyBackBuyClick", buy);
 								} else {
-									plugin.messageNoPrefix(sender, "info-regionMoneyBackBuy", buy);
+									messageBridge.messageNoPrefix(sender, "info-regionMoneyBackBuy", buy);
 								}
 							}
 							// Friends
@@ -372,16 +389,16 @@ public class InfoCommand extends CommandAreaShop {
 								if(DelfriendCommand.canUse(sender, buy)) {
 									messagePart = "info-friendRemove";
 								}
-								plugin.messageNoPrefix(sender, "info-regionFriends", buy, Utils.combinedMessage(buy.getFriendsFeature().getFriendNames(), messagePart));
+								messageBridge.messageNoPrefix(sender, "info-regionFriends", buy, Utils.combinedMessage(buy.getFriendsFeature().getFriendNames(), messagePart));
 							}
 						} else {
-							plugin.messageNoPrefix(sender, "info-regionCanBeBought", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionCanBeBought", buy);
 						}
 						if(buy.getLandlord() != null) {
-							plugin.messageNoPrefix(sender, "info-regionLandlord", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionLandlord", buy);
 						}
 						if(buy.getInactiveTimeUntilSell() != -1) {
-							plugin.messageNoPrefix(sender, "info-regionInactiveSell", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionInactiveSell", buy);
 						}
 						// Teleport
 						Message tp = Message.fromKey("info-prefix");
@@ -399,42 +416,42 @@ public class InfoCommand extends CommandAreaShop {
 						}
 						if(foundSomething) {
 							tp.append(".");
-							tp.send(sender);
+							SimpleMessageBridge.send(tp, sender);
 						}
 						// Signs
 						List<String> signLocations = new ArrayList<>();
-						for(Location location : buy.getSignsFeature().getSignLocations()) {
-							signLocations.add(Message.fromKey("info-regionSignLocation").replacements(location.getWorld().getName(), location.getBlockX(), location.getBlockY(), location.getBlockZ()).getPlain());
+						for(BlockPosition location : buy.getSignsFeature().signManager().allSignLocations()) {
+							signLocations.add(Message.fromKey("info-regionSignLocation").replacements(location.getWorld().getName(), location.getX(), location.getY(), location.getZ()).getPlain());
 						}
 						if(!signLocations.isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionSigns", Utils.createCommaSeparatedList(signLocations));
+							messageBridge.messageNoPrefix(sender, "info-regionSigns", Utils.createCommaSeparatedList(signLocations));
 						}
 						// Groups
 						if(sender.hasPermission("areashop.groupinfo") && !buy.getGroupNames().isEmpty()) {
-							plugin.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(buy.getGroupNames()));
+							messageBridge.messageNoPrefix(sender, "info-regionGroups", Utils.createCommaSeparatedList(buy.getGroupNames()));
 						}
 						// Restoring
 						if(buy.isRestoreEnabled()) {
-							plugin.messageNoPrefix(sender, "info-regionRestoringBuy", buy);
+							messageBridge.messageNoPrefix(sender, "info-regionRestoringBuy", buy);
 						}
 						// Restrictions
 						if(!buy.isSold()) {
 							if(buy.restrictedToRegion()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedRegionBuy", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedRegionBuy", buy);
 							} else if(buy.restrictedToWorld()) {
-								plugin.messageNoPrefix(sender, "info-regionRestrictedWorldBuy", buy);
+								messageBridge.messageNoPrefix(sender, "info-regionRestrictedWorldBuy", buy);
 							}
 						}
-						plugin.messageNoPrefix(sender, "info-regionFooterBuy", buy);
+						messageBridge.messageNoPrefix(sender, "info-regionFooterBuy", buy);
 					}
 				} else {
-					plugin.message(sender, "info-regionHelp");
+					messageBridge.message(sender, "info-regionHelp");
 				}
 			} else {
-				plugin.message(sender, "info-help");
+				messageBridge.message(sender, "info-help");
 			}
 		} else {
-			plugin.message(sender, "info-help");
+			messageBridge.message(sender, "info-help");
 		}
 	}
 
@@ -449,8 +466,8 @@ public class InfoCommand extends CommandAreaShop {
 					result.add(player.getName());
 				}
 			} else if(start[2].equalsIgnoreCase("region")) {
-				result.addAll(plugin.getFileManager().getBuyNames());
-				result.addAll(plugin.getFileManager().getRentNames());
+				result.addAll(fileManager.getBuyNames());
+				result.addAll(fileManager.getRentNames());
 			}
 		}
 		return result;

AreaShop/src/main/java/me/wiefferink/areashop/commands/LinksignsCommand.java

@@ -1,5 +1,10 @@
 package me.wiefferink.areashop.commands;
 
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.SignLinkerManager;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.ConfigurationSection;
@@ -9,8 +14,16 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
+@Singleton
 public class LinksignsCommand extends CommandAreaShop {
 
+	@Inject
+	private SignLinkerManager signLinkerManager;
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private MessageBridge messageBridge;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop linksigns";
@@ -27,17 +40,16 @@ public class LinksignsCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.linksigns")) {
-			plugin.message(sender, "linksigns-noPermission");
+			messageBridge.message(sender, "linksigns-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
 
-		Player player = (Player)sender;
-		if(plugin.getSignlinkerManager().isInSignLinkMode(player)) {
-			plugin.getSignlinkerManager().exitSignLinkMode(player);
+		if(signLinkerManager.isInSignLinkMode(player)) {
+			signLinkerManager.exitSignLinkMode(player);
 		} else {
 			// Get the profile
 			String profile = null;
@@ -54,12 +66,12 @@ public class LinksignsCommand extends CommandAreaShop {
 							}
 							message.addAll(Message.fromKey("addsign-profile").replacements(p).get());
 						}
-						plugin.message(sender, "addsign-wrongProfile", Message.fromList(message));
+						messageBridge.message(sender, "addsign-wrongProfile", Message.fromList(message));
 						return;
 					}
 				}
 			}
-			plugin.getSignlinkerManager().enterSignLinkMode(player, profile);
+			signLinkerManager.enterSignLinkMode(player, profile);
 		}
 	}
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/MeCommand.java

@@ -1,10 +1,15 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -14,8 +19,20 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+@Singleton
 public class MeCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+
+	@Inject
+	private OfflinePlayerHelper offlinePlayerHelper;
+
+	@Inject
+	private BukkitSchedulerExecutor executor;
+
 	@Override
 	public String getCommandStart() {
 		return "areashop me";
@@ -32,76 +49,77 @@ public class MeCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.me")) {
-			plugin.message(sender, "me-noPermission");
+			messageBridge.message(sender, "me-noPermission");
 			return;
 		}
 		OfflinePlayer player = null;
 		if(!(sender instanceof Player)) {
 			if(args.length <= 1) {
-				plugin.message(sender, "me-notAPlayer");
+				messageBridge.message(sender, "me-notAPlayer");
 				return;
 			}
 		} else {
 			player = (OfflinePlayer)sender;
 		}
 		if(args.length > 1) {
-			player = Bukkit.getOfflinePlayer(args[1]);
-			if(player == null) {
-				plugin.message(sender, "me-noPlayer", args[1]);
-				return;
-			}
-		}
-		if(player == null) {
+			// Lookup offline players async
+			this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(offlinePlayer -> {
+				if (!offlinePlayer.hasPlayedBefore()) {
+					messageBridge.message(sender, "me-noPlayer", args[1]);
+				} else {
+					sendMessageAboutRegions(sender, offlinePlayer);
+				}
+			}, this.executor);
 			return;
 		}
+		sendMessageAboutRegions(sender, player);
+	}
 
+	private void sendMessageAboutRegions(CommandSender sender, OfflinePlayer target) {
 		// Get the regions owned by the player
 		Set<RentRegion> rentRegions = new HashSet<>();
-		for(RentRegion region : plugin.getFileManager().getRents()) {
-			if(region.isOwner(player)) {
+		for(RentRegion region : fileManager.getRentsRef()) {
+			if(region.isOwner(target)) {
 				rentRegions.add(region);
 			}
 		}
 		Set<BuyRegion> buyRegions = new HashSet<>();
-		for(BuyRegion region : plugin.getFileManager().getBuys()) {
-			if(region.isOwner(player)) {
+		for(BuyRegion region : fileManager.getBuysRef()) {
+			if(region.isOwner(target)) {
 				buyRegions.add(region);
 			}
 		}
 		// Get the regions the player is added as friend
 		Set<GeneralRegion> friendRegions = new HashSet<>();
-		for(GeneralRegion region : plugin.getFileManager().getRegions()) {
-			if(region.getFriendsFeature().getFriends().contains(player.getUniqueId())) {
+		for(GeneralRegion region : fileManager.getRegionsRef()) {
+			if(region.getFriendsFeature().getFriends().contains(target.getUniqueId())) {
 				friendRegions.add(region);
 			}
 		}
 
 		// Send messages
 		boolean foundSome = !rentRegions.isEmpty() || !buyRegions.isEmpty() || !friendRegions.isEmpty();
-		if(foundSome) {
-			plugin.message(sender, "me-header", player.getName());
+		if(!foundSome) {
+			messageBridge.message(sender, "me-nothing", target.getName());
+			return;
 		}
+		messageBridge.message(sender, "me-header", target.getName());
 		if(!rentRegions.isEmpty()) {
 			for(RentRegion region : rentRegions) {
-				plugin.messageNoPrefix(sender, "me-rentLine", region);
+				messageBridge.messageNoPrefix(sender, "me-rentLine", region);
 			}
 		}
 		if(!buyRegions.isEmpty()) {
 			for(BuyRegion region : buyRegions) {
-				plugin.messageNoPrefix(sender, "me-buyLine", region);
+				messageBridge.messageNoPrefix(sender, "me-buyLine", region);
 			}
 		}
 		if(!friendRegions.isEmpty()) {
 			for(GeneralRegion region : friendRegions) {
-				plugin.messageNoPrefix(sender, "me-friendLine", region);
+				messageBridge.messageNoPrefix(sender, "me-friendLine", region);
 			}
 		}
-
-		if(!foundSome) {
-			plugin.message(sender, "me-nothing", player.getName());
-		} else {
-			plugin.messageNoPrefix(sender, "me-clickHint");
-		}
+		messageBridge.messageNoPrefix(sender, "me-clickHint");
 	}
 
 	@Override

AreaShop/src/main/java/me/wiefferink/areashop/commands/MessageCommand.java

@@ -1,7 +1,15 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.tools.SimpleMessageBridge;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.minimessage.MiniMessage;
 import org.apache.commons.lang.StringUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
@@ -10,8 +18,12 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class MessageCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop message";
@@ -19,27 +31,25 @@ public class MessageCommand extends CommandAreaShop {
 
 	@Override
 	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.message")) {
-			return null; // Internal command, no need to show in the help list
-		}
+		// Internal command, no need to show in the help list
 		return null;
 	}
 
 	@Override
 	public void execute(final CommandSender sender, final String[] args) {
 		if(!sender.hasPermission("areashop.message")) {
-			plugin.message(sender, "message-noPermission");
+			messageBridge.message(sender, "message-noPermission");
 			return;
 		}
 
 		if(args.length < 3) {
-			plugin.message(sender, "message-help");
+			messageBridge.message(sender, "message-help");
 			return;
 		}
 
 		Player player = Bukkit.getPlayer(args[1]);
 		if(player == null) {
-			plugin.message(sender, "message-notOnline", args[1]);
+			messageBridge.message(sender, "message-notOnline", args[1]);
 			return;
 		}
 
@@ -47,7 +57,8 @@ public class MessageCommand extends CommandAreaShop {
 		System.arraycopy(args, 2, messageArgs, 0, args.length - 2);
 		String message = StringUtils.join(messageArgs, " ");
 
-		Message.fromString(message).send(player);
+		Message m = Message.fromString(message);
+		SimpleMessageBridge.send(m, player);
 	}
 
 	@Override

AreaShop/src/main/java/me/wiefferink/areashop/commands/ReloadCommand.java

@@ -1,9 +1,19 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import org.bukkit.command.CommandSender;
 
+@Singleton
 public class ReloadCommand extends CommandAreaShop {
 
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private MessageBridge messageBridge;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop reload";
@@ -23,7 +33,7 @@ public class ReloadCommand extends CommandAreaShop {
 			// Reload the configuration files and update all region flags/signs
 			plugin.reload(sender);
 		} else {
-			plugin.message(sender, "reload-noPermission");
+			messageBridge.message(sender, "reload-noPermission");
 		}
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/commands/RentCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class RentCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop rent";
@@ -26,18 +36,17 @@ public class RentCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.rent")) {
-			plugin.message(sender, "rent-noPermission");
+			messageBridge.message(sender, "rent-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 		if(args.length > 1 && args[1] != null) {
-			RentRegion rent = plugin.getFileManager().getRent(args[1]);
+			RentRegion rent = fileManager.getRent(args[1]);
 			if(rent == null) {
-				plugin.message(sender, "rent-notRentable", args[1]);
+				messageBridge.message(sender, "rent-notRentable", args[1]);
 			} else {
 				rent.rent(player);
 			}
@@ -45,9 +54,9 @@ public class RentCommand extends CommandAreaShop {
 			// get the region by location
 			List<RentRegion> regions = Utils.getImportantRentRegions(((Player)sender).getLocation());
 			if(regions.isEmpty()) {
-				plugin.message(sender, "cmd-noRegionsAtLocation");
+				messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			} else if(regions.size() > 1) {
-				plugin.message(sender, "cmd-moreRegionsAtLocation");
+				messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 			} else {
 				regions.get(0).rent(player);
 			}
@@ -58,7 +67,7 @@ public class RentCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(RentRegion region : plugin.getFileManager().getRents()) {
+			for(RentRegion region : fileManager.getRentsRef()) {
 				if(!region.isRented()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/ResellCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class ResellCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop resell";
@@ -26,24 +36,24 @@ public class ResellCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.resell") && !sender.hasPermission("areashop.resellall")) {
-			plugin.message(sender, "resell-noPermissionOther");
+			messageBridge.message(sender, "resell-noPermissionOther");
 			return;
 		}
 
 		if(args.length <= 1) {
-			plugin.message(sender, "resell-help");
+			messageBridge.message(sender, "resell-help");
 			return;
 		}
 		double price;
 		try {
 			price = Double.parseDouble(args[1]);
 		} catch(NumberFormatException e) {
-			plugin.message(sender, "resell-wrongPrice", args[1]);
+			messageBridge.message(sender, "resell-wrongPrice", args[1]);
 			return;
 		}
 
 		if(price < 0) {
-			plugin.message(sender, "resell-wrongPrice", args[1]);
+			messageBridge.message(sender, "resell-wrongPrice", args[1]);
 			return;
 		}
 
@@ -53,53 +63,53 @@ public class ResellCommand extends CommandAreaShop {
 				// get the region by location
 				List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					buy = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			buy = plugin.getFileManager().getBuy(args[2]);
+			buy = fileManager.getBuy(args[2]);
 			if(buy == null) {
-				plugin.message(sender, "resell-notRegistered", args[2]);
+				messageBridge.message(sender, "resell-notRegistered", args[2]);
 				return;
 			}
 		}
 		if(buy == null) {
-			plugin.message(sender, "cmd-noRegionsAtLocation");
+			messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			return;
 		}
 		if(!buy.isSold()) {
-			plugin.message(sender, "resell-notBought", buy);
+			messageBridge.message(sender, "resell-notBought", buy);
 			return;
 		}
 		if(sender.hasPermission("areashop.resellall")) {
 			buy.enableReselling(price);
 			buy.update();
-			plugin.message(sender, "resell-success", buy);
+			messageBridge.message(sender, "resell-success", buy);
 		} else if(sender.hasPermission("areashop.resell") && sender instanceof Player) {
 			if(!buy.isOwner((Player)sender)) {
-				plugin.message(sender, "resell-noPermissionOther", buy);
+				messageBridge.message(sender, "resell-noPermissionOther", buy);
 				return;
 			}
 
 			if(buy.getBooleanSetting("buy.resellDisabled")) {
-				plugin.message(sender, "resell-disabled", buy);
+				messageBridge.message(sender, "resell-disabled", buy);
 				return;
 			}
 
 			buy.enableReselling(price);
 			buy.update();
-			plugin.message(sender, "resell-success", buy);
+			messageBridge.message(sender, "resell-success", buy);
 		} else {
-			plugin.message(sender, "resell-noPermission", buy);
+			messageBridge.message(sender, "resell-noPermission", buy);
 		}
 	}
 
@@ -107,7 +117,7 @@ public class ResellCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 3) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(region.isSold() && !region.isInResellingMode()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SchematiceventCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -10,8 +14,14 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+@Singleton
 public class SchematiceventCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop schemevent";
@@ -28,21 +38,21 @@ public class SchematiceventCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.schematicevents")) {
-			plugin.message(sender, "schemevent-noPermission");
+			messageBridge.message(sender, "schemevent-noPermission");
 			return;
 		}
 
 		if(args.length < 3 || args[1] == null || args[2] == null) {
-			plugin.message(sender, "schemevent-help");
+			messageBridge.message(sender, "schemevent-help");
 			return;
 		}
-		GeneralRegion region = plugin.getFileManager().getRegion(args[1]);
+		GeneralRegion region = fileManager.getRegion(args[1]);
 		if(region == null) {
-			plugin.message(sender, "cmd-notRegistered", args[1]);
+			messageBridge.message(sender, "cmd-notRegistered", args[1]);
 			return;
 		}
 		if(region.getRegion() == null) {
-			plugin.message(sender, "general-noRegion", region);
+			messageBridge.message(sender, "general-noRegion", region);
 			return;
 		}
 		GeneralRegion.RegionEvent event = null;
@@ -58,21 +68,21 @@ public class SchematiceventCommand extends CommandAreaShop {
 			for(GeneralRegion.RegionEvent value : GeneralRegion.RegionEvent.values()) {
 				values.add(value.getValue().toLowerCase());
 			}
-			plugin.message(sender, "schemevent-wrongEvent", args[2], Utils.createCommaSeparatedList(values), region);
+			messageBridge.message(sender, "schemevent-wrongEvent", args[2], Utils.createCommaSeparatedList(values), region);
 			return;
 		}
 		region.handleSchematicEvent(event);
 		region.update();
-		plugin.message(sender, "schemevent-success", args[2], region);
+		messageBridge.message(sender, "schemevent-success", args[2], region);
 	}
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		} else if(toComplete == 3) {
-			GeneralRegion region = plugin.getFileManager().getRegion(start[2]);
+			GeneralRegion region = fileManager.getRegion(start[2]);
 			if(region != null) {
 				if(region instanceof RentRegion) {
 					result.addAll(Arrays.asList("created", "deleted", "rented", "unrented"));

AreaShop/src/main/java/me/wiefferink/areashop/commands/SellCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Utils;
@@ -9,8 +13,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SellCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop sell";
@@ -34,8 +44,7 @@ public class SellCommand extends CommandAreaShop {
 		if(person.hasPermission("areashop.sell")) {
 			return true;
 		}
-		if(person instanceof Player) {
-			Player player = (Player)person;
+		if(person instanceof Player player) {
 			return region.isOwner(player) && person.hasPermission("areashop.sellown");
 		}
 		return false;
@@ -44,36 +53,36 @@ public class SellCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.sell") && !sender.hasPermission("areashop.sellown")) {
-			plugin.message(sender, "sell-noPermission");
+			messageBridge.message(sender, "sell-noPermission");
 			return;
 		}
 		BuyRegion buy;
 		if(args.length <= 1) {
-			if(sender instanceof Player) {
+			if(sender instanceof Player player) {
 				// get the region by location
-				List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
+				List<BuyRegion> regions = Utils.getImportantBuyRegions((player).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					buy = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			buy = plugin.getFileManager().getBuy(args[1]);
+			buy = fileManager.getBuy(args[1]);
 		}
 		if(buy == null) {
-			plugin.message(sender, "sell-notRegistered");
+			messageBridge.message(sender, "sell-notRegistered");
 			return;
 		}
 		if(!buy.isSold()) {
-			plugin.message(sender, "sell-notBought", buy);
+			messageBridge.message(sender, "sell-notBought", buy);
 			return;
 		}
 		buy.sell(true, sender);
@@ -83,7 +92,7 @@ public class SellCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(region.isSold()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetTransferCommand.java

@@ -0,0 +1,77 @@
+package me.wiefferink.areashop.commands;
+
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.regions.GeneralRegion;
+import org.bukkit.command.CommandSender;
+import org.bukkit.plugin.Plugin;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Singleton
+public class SetTransferCommand extends CommandAreaShop {
+
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private Plugin plugin;
+
+    @Override
+    public String getCommandStart() {
+        return "areashop settransfer";
+    }
+
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.settransfer")) {
+            return "help-settransfer";
+        }
+        return null;
+    }
+
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.settransfer")) {
+            messageBridge.message(sender, "settransfer-noPermission");
+            return;
+        }
+        if (args.length <= 2 || args[1] == null || args[2] == null) {
+            messageBridge.message(sender, "settransfer-help");
+            return;
+        }
+        GeneralRegion region = fileManager.getRegion(args[1]);
+        if (region == null) {
+            messageBridge.message(sender, "settransfer-notRegistered", args[1]);
+            return;
+        }
+        boolean value;
+        if (args[2].equalsIgnoreCase("true")) {
+            value = true;
+        } else if (args[2].equalsIgnoreCase("false")) {
+            value = false;
+        } else {
+            messageBridge.message(sender, "settransfer-invalidSetting", args[2]);
+            return;
+        }
+        region.setTransferEnabled(value);
+        messageBridge.message(sender, "settransfer-success", args[2], region);
+        region.update();
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        List<String> result = new ArrayList<>();
+        if (toComplete == 2) {
+            result = fileManager.getRegionNames();
+        } else if (toComplete == 3) {
+            result.add("true");
+            result.add("false");
+        }
+        return result;
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetdurationCommand.java

@@ -1,15 +1,28 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetdurationCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private Plugin plugin;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop setduration";
@@ -26,11 +39,11 @@ public class SetdurationCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setduration") && (!sender.hasPermission("areashop.setduration.landlord") && sender instanceof Player)) {
-			plugin.message(sender, "setduration-noPermission");
+			messageBridge.message(sender, "setduration-noPermission");
 			return;
 		}
 		if(args.length < 3 || args[1] == null || args[2] == null) {
-			plugin.message(sender, "setduration-help");
+			messageBridge.message(sender, "setduration-help");
 			return;
 		}
 		int regionArgument = 3;
@@ -43,48 +56,48 @@ public class SetdurationCommand extends CommandAreaShop {
 				// get the region by location
 				List<RentRegion> regions = Utils.getImportantRentRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					rent = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			rent = plugin.getFileManager().getRent(args[regionArgument]);
+			rent = fileManager.getRent(args[regionArgument]);
 		}
 		if(rent == null) {
-			plugin.message(sender, "setduration-notRegistered", args[regionArgument]);
+			messageBridge.message(sender, "setduration-notRegistered", args[regionArgument]);
 			return;
 		}
 		if(!sender.hasPermission("areashop.setduration") && !(sender instanceof Player && rent.isLandlord(((Player)sender).getUniqueId()))) {
-			plugin.message(sender, "setduration-noLandlord", rent);
+			messageBridge.message(sender, "setduration-noLandlord", rent);
 			return;
 		}
 		if("default".equalsIgnoreCase(args[1]) || "reset".equalsIgnoreCase(args[1])) {
 			rent.setDuration(null);
 			rent.update();
-			plugin.message(sender, "setduration-successRemoved", rent);
+			messageBridge.message(sender, "setduration-successRemoved", rent);
 			return;
 		}
 		try {
 			Integer.parseInt(args[1]);
 		} catch(NumberFormatException e) {
-			plugin.message(sender, "setduration-wrongAmount", args[1], rent);
+			messageBridge.message(sender, "setduration-wrongAmount", args[1], rent);
 			return;
 		}
 		if(!Utils.checkTimeFormat(args[1] + " " + args[2])) {
-			plugin.message(sender, "setduration-wrongFormat", args[1] + " " + args[2], rent);
+			messageBridge.message(sender, "setduration-wrongFormat", args[1] + " " + args[2], rent);
 			return;
 		}
 		rent.setDuration(args[1] + " " + args[2]);
 		rent.update();
-		plugin.message(sender, "setduration-success", rent);
+		messageBridge.message(sender, "setduration-success", rent);
 	}
 
 	@Override
@@ -97,7 +110,7 @@ public class SetdurationCommand extends CommandAreaShop {
 			result.addAll(plugin.getConfig().getStringList("months"));
 			result.addAll(plugin.getConfig().getStringList("years"));
 		} else if(toComplete == 4) {
-			result = plugin.getFileManager().getRentNames();
+			result = fileManager.getRentNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetlandlordCommand.java

@@ -1,87 +1,100 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetlandlordCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop setlandlord";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.setlandlord")) {
-			return "help-setlandlord";
-		}
-		return null;
-	}
+    @Override
+    public String getCommandStart() {
+        return "areashop setlandlord";
+    }
 
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.setlandlord")) {
-			plugin.message(sender, "setlandlord-noPermission");
-			return;
-		}
-		if(args.length < 2) {
-			plugin.message(sender, "setlandlord-help");
-			return;
-		}
-		@SuppressWarnings("deprecation")
-		OfflinePlayer player = Bukkit.getOfflinePlayer(args[1]);
-		GeneralRegion region;
-		if(args.length < 3) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-		}
-		if(region == null) {
-			plugin.message(sender, "cmd-notRegistered", args[2]);
-			return;
-		}
-		String playerName = player.getName();
-		if(playerName == null || playerName.isEmpty()) {
-			playerName = args[1];
-		}
-		region.setLandlord(player.getUniqueId(), playerName);
-		region.update();
-		plugin.message(sender, "setlandlord-success", playerName, region);
-	}
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.setlandlord")) {
+            return "help-setlandlord";
+        }
+        return null;
+    }
 
-	@Override
-	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		ArrayList<String> result = new ArrayList<>();
-		if(toComplete == 2) {
-			for(Player player : Utils.getOnlinePlayers()) {
-				result.add(player.getName());
-			}
-		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
-		}
-		return result;
-	}
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.setlandlord")) {
+            messageBridge.message(sender, "setlandlord-noPermission");
+            return;
+        }
+        if (args.length < 2) {
+            messageBridge.message(sender, "setlandlord-help");
+            return;
+        }
+        GeneralRegion region;
+        if (args.length < 3) {
+            if (!(sender instanceof Player player)) {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+            // get the region by location
+            List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+            if (regions.isEmpty()) {
+                messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                return;
+            } else if (regions.size() > 1) {
+                messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                return;
+            } else {
+                region = regions.get(0);
+            }
+        } else {
+            region = fileManager.getRegion(args[2]);
+        }
+        if (region == null) {
+            messageBridge.message(sender, "cmd-notRegistered", args[2]);
+            return;
+        }
+        this.offlinePlayerHelper.lookupOfflinePlayerAsync(args[1]).thenAcceptAsync(offlinePlayer -> {
+            String playerName = offlinePlayer.getName();
+            if (playerName == null || playerName.isEmpty()) {
+                playerName = args[1];
+            }
+            region.setLandlord(offlinePlayer.getUniqueId(), playerName);
+            region.update();
+            messageBridge.message(sender, "setlandlord-success", playerName, region);
+        }, this.executor);
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        ArrayList<String> result = new ArrayList<>();
+        if (toComplete == 2) {
+            for (Player player : Utils.getOnlinePlayers()) {
+                result.add(player.getName());
+            }
+        } else if (toComplete == 3) {
+            result.addAll(fileManager.getRegionNames());
+        }
+        return result;
+    }
 
 }

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetownerCommand.java

@@ -1,11 +1,15 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
 import me.wiefferink.areashop.tools.Utils;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -14,115 +18,119 @@ import java.util.Calendar;
 import java.util.List;
 import java.util.UUID;
 
+@Singleton
 public class SetownerCommand extends CommandAreaShop {
 
-	@Override
-	public String getCommandStart() {
-		return "areashop setowner";
-	}
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private OfflinePlayerHelper offlinePlayerHelper;
+    @Inject
+    private BukkitSchedulerExecutor executor;
 
-	@Override
-	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.setownerrent") || target.hasPermission("areashop.setownerbuy")) {
-			return "help-setowner";
-		}
-		return null;
-	}
+    @Override
+    public String getCommandStart() {
+        return "areashop setowner";
+    }
 
-	@Override
-	public void execute(CommandSender sender, String[] args) {
-		if(!sender.hasPermission("areashop.setownerrent") && !sender.hasPermission("areashop.setownerbuy")) {
-			plugin.message(sender, "setowner-noPermission");
-			return;
-		}
-		GeneralRegion region;
-		if(args.length < 2) {
-			plugin.message(sender, "setowner-help");
-			return;
-		}
-		if(args.length == 2) {
-			if(sender instanceof Player) {
-				// get the region by location
-				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
-					return;
-				} else {
-					region = regions.get(0);
-				}
-			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
-				return;
-			}
-		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
-		}
-		if(region == null) {
-			plugin.message(sender, "setowner-notRegistered");
-			return;
-		}
+    @Override
+    public String getHelp(CommandSender target) {
+        if (target.hasPermission("areashop.setownerrent") || target.hasPermission("areashop.setownerbuy")) {
+            return "help-setowner";
+        }
+        return null;
+    }
 
-		if(region instanceof RentRegion && !sender.hasPermission("areashop.setownerrent")) {
-			plugin.message(sender, "setowner-noPermissionRent", region);
-			return;
-		}
-		if(region instanceof BuyRegion && !sender.hasPermission("areashop.setownerbuy")) {
-			plugin.message(sender, "setowner-noPermissionBuy", region);
-			return;
-		}
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.setownerrent") && !sender.hasPermission("areashop.setownerbuy")) {
+            messageBridge.message(sender, "setowner-noPermission");
+            return;
+        }
+        GeneralRegion region;
+        if (args.length < 2) {
+            messageBridge.message(sender, "setowner-help");
+            return;
+        }
+        if (args.length == 2) {
+            if (!(sender instanceof Player player)) {
+                messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
+                return;
+            }
+            // get the region by location
+            List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+            if (regions.isEmpty()) {
+                messageBridge.message(sender, "cmd-noRegionsAtLocation");
+                return;
+            } else if (regions.size() > 1) {
+                messageBridge.message(sender, "cmd-moreRegionsAtLocation");
+                return;
+            } else {
+                region = regions.get(0);
+            }
 
-		UUID uuid = null;
-		@SuppressWarnings("deprecation")
-		OfflinePlayer player = Bukkit.getOfflinePlayer(args[1]);
-		if(player != null) {
-			uuid = player.getUniqueId();
-		}
-		if(uuid == null) {
-			plugin.message(sender, "setowner-noPlayer", args[1], region);
-			return;
-		}
+        } else {
+            region = fileManager.getRegion(args[2]);
+        }
+        if (region == null) {
+            messageBridge.message(sender, "setowner-notRegistered");
+            return;
+        }
 
-		if(region instanceof RentRegion) {
-			RentRegion rent = (RentRegion)region;
-			if(rent.isRenter(uuid)) {
-				// extend
-				rent.setRentedUntil(rent.getRentedUntil() + rent.getDuration());
-				rent.setRenter(uuid);
-				plugin.message(sender, "setowner-succesRentExtend", region);
-			} else {
-				// change
-				if(!rent.isRented()) {
-					rent.setRentedUntil(Calendar.getInstance().getTimeInMillis() + rent.getDuration());
-				}
-				rent.setRenter(uuid);
-				plugin.message(sender, "setowner-succesRent", region);
-			}
-		}
-		if(region instanceof BuyRegion) {
-			BuyRegion buy = (BuyRegion)region;
-			buy.setBuyer(uuid);
-			plugin.message(sender, "setowner-succesBuy", region);
-		}
-		region.getFriendsFeature().deleteFriend(region.getOwner(), null);
-		region.update();
-		region.saveRequired();
-	}
+        if (region instanceof RentRegion && !sender.hasPermission("areashop.setownerrent")) {
+            messageBridge.message(sender, "setowner-noPermissionRent", region);
+            return;
+        }
+        if (region instanceof BuyRegion && !sender.hasPermission("areashop.setownerbuy")) {
+            messageBridge.message(sender, "setowner-noPermissionBuy", region);
+            return;
+        }
 
-	@Override
-	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
-		ArrayList<String> result = new ArrayList<>();
-		if(toComplete == 2) {
-			for(Player player : Utils.getOnlinePlayers()) {
-				result.add(player.getName());
-			}
-		} else if(toComplete == 3) {
-			result.addAll(plugin.getFileManager().getRegionNames());
-		}
-		return result;
-	}
+        this.offlinePlayerHelper.lookupUuidAsync(args[1]).thenAcceptAsync(optionalUuid -> {
+            if (optionalUuid.isEmpty()) {
+                messageBridge.message(sender, "setowner-noPlayer", args[1], region);
+                return;
+            }
+            final UUID uuid = optionalUuid.get();
+            if (region instanceof RentRegion rent) {
+                if (rent.isRenter(uuid)) {
+                    // extend
+                    rent.setRentedUntil(rent.getRentedUntil() + rent.getDuration());
+                    rent.setRenter(uuid);
+                    messageBridge.message(sender, "setowner-succesRentExtend", region);
+                } else {
+                    // change
+                    if (!rent.isRented()) {
+                        rent.setRentedUntil(Calendar.getInstance().getTimeInMillis() + rent.getDuration());
+                    }
+                    rent.setRenter(uuid);
+                    messageBridge.message(sender, "setowner-succesRent", region);
+                }
+            }
+            if (region instanceof BuyRegion buy) {
+                buy.setBuyer(uuid);
+                messageBridge.message(sender, "setowner-succesBuy", region);
+            }
+            region.getFriendsFeature().deleteFriend(region.getOwner(), null);
+            region.update();
+            region.saveRequired();
+        }, this.executor);
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        ArrayList<String> result = new ArrayList<>();
+        if (toComplete == 2) {
+            for (Player player : Utils.getOnlinePlayers()) {
+                result.add(player.getName());
+            }
+        } else if (toComplete == 3) {
+            result.addAll(fileManager.getRegionNames());
+        }
+        return result;
+    }
 }
 
 

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetpriceCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -10,8 +14,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetpriceCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop setprice";
@@ -28,11 +38,11 @@ public class SetpriceCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setprice") && (!sender.hasPermission("areashop.setprice.landlord") && sender instanceof Player)) {
-			plugin.message(sender, "setprice-noPermission");
+			messageBridge.message(sender, "setprice-noPermission");
 			return;
 		}
 		if(args.length < 2 || args[1] == null) {
-			plugin.message(sender, "setprice-help");
+			messageBridge.message(sender, "setprice-help");
 			return;
 		}
 		GeneralRegion region;
@@ -41,27 +51,27 @@ public class SetpriceCommand extends CommandAreaShop {
 				// get the region by location
 				List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					region = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			region = plugin.getFileManager().getRegion(args[2]);
+			region = fileManager.getRegion(args[2]);
 		}
 		if(region == null) {
-			plugin.message(sender, "setprice-notRegistered", args[2]);
+			messageBridge.message(sender, "setprice-notRegistered", args[2]);
 			return;
 		}
 		if(!sender.hasPermission("areashop.setprice") && !(sender instanceof Player && region.isLandlord(((Player)sender).getUniqueId()))) {
-			plugin.message(sender, "setprice-noLandlord", region);
+			messageBridge.message(sender, "setprice-noLandlord", region);
 			return;
 		}
 		if("default".equalsIgnoreCase(args[1]) || "reset".equalsIgnoreCase(args[1])) {
@@ -71,22 +81,22 @@ public class SetpriceCommand extends CommandAreaShop {
 				((BuyRegion)region).setPrice(null);
 			}
 			region.update();
-			plugin.message(sender, "setprice-successRemoved", region);
+			messageBridge.message(sender, "setprice-successRemoved", region);
 			return;
 		}
 		double price;
 		try {
 			price = Double.parseDouble(args[1]);
 		} catch(NumberFormatException e) {
-			plugin.message(sender, "setprice-wrongPrice", args[1], region);
+			messageBridge.message(sender, "setprice-wrongPrice", args[1], region);
 			return;
 		}
 		if(region instanceof RentRegion) {
 			((RentRegion)region).setPrice(price);
-			plugin.message(sender, "setprice-successRent", region);
+			messageBridge.message(sender, "setprice-successRent", region);
 		} else if(region instanceof BuyRegion) {
 			((BuyRegion)region).setPrice(price);
-			plugin.message(sender, "setprice-successBuy", region);
+			messageBridge.message(sender, "setprice-successBuy", region);
 		}
 		region.update();
 	}
@@ -95,7 +105,7 @@ public class SetpriceCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 3) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetrestoreCommand.java

@@ -1,13 +1,27 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import org.bukkit.command.CommandSender;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.plugin.Plugin;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetrestoreCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private Plugin plugin;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop setrestore";
@@ -24,16 +38,16 @@ public class SetrestoreCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setrestore")) {
-			plugin.message(sender, "setrestore-noPermission");
+			messageBridge.message(sender, "setrestore-noPermission");
 			return;
 		}
 		if(args.length <= 2 || args[1] == null || args[2] == null) {
-			plugin.message(sender, "setrestore-help");
+			messageBridge.message(sender, "setrestore-help");
 			return;
 		}
-		GeneralRegion region = plugin.getFileManager().getRegion(args[1]);
+		GeneralRegion region = fileManager.getRegion(args[1]);
 		if(region == null) {
-			plugin.message(sender, "setrestore-notRegistered", args[1]);
+			messageBridge.message(sender, "setrestore-notRegistered", args[1]);
 			return;
 		}
 		Boolean value = null;
@@ -49,9 +63,9 @@ public class SetrestoreCommand extends CommandAreaShop {
 		}
 		if(args.length > 3) {
 			region.setSchematicProfile(args[3]);
-			plugin.message(sender, "setrestore-successProfile", valueString, args[3], region);
+			messageBridge.message(sender, "setrestore-successProfile", valueString, args[3], region);
 		} else {
-			plugin.message(sender, "setrestore-success", valueString, region);
+			messageBridge.message(sender, "setrestore-success", valueString, region);
 		}
 		region.update();
 	}
@@ -60,13 +74,16 @@ public class SetrestoreCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result = plugin.getFileManager().getRegionNames();
+			result = fileManager.getRegionNames();
 		} else if(toComplete == 3) {
 			result.add("true");
 			result.add("false");
 			result.add("general");
 		} else if(toComplete == 4) {
-			result.addAll(plugin.getConfig().getConfigurationSection("schematicProfiles").getKeys(false));
+			ConfigurationSection schemProfiles = fileManager.getConfig().getConfigurationSection("schematicProfiles");
+			if (schemProfiles != null) {
+				result.addAll(schemProfiles.getKeys(false));
+			}
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/SetteleportCommand.java

@@ -1,6 +1,10 @@
 package me.wiefferink.areashop.commands;
 
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -11,8 +15,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class SetteleportCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop settp";
@@ -20,7 +30,7 @@ public class SetteleportCommand extends CommandAreaShop {
 
 	@Override
 	public String getHelp(CommandSender target) {
-		if(target.hasPermission("areashop.teleportall") || target.hasPermission("areashop.teleport")) {
+		if(target.hasPermission("areashop.setteleportall") || target.hasPermission("areashop.setteleport")) {
 			return "help-setteleport";
 		}
 		return null;
@@ -33,10 +43,9 @@ public class SetteleportCommand extends CommandAreaShop {
 	 * @return true if the person can set the teleport location, otherwise false
 	 */
 	public static boolean canUse(CommandSender person, GeneralRegion region) {
-		if(!(person instanceof Player)) {
+		if(!(person instanceof Player player)) {
 			return false;
 		}
-		Player player = (Player)person;
 		return player.hasPermission("areashop.setteleportall")
 				|| region.isOwner(player) && player.hasPermission("areashop.setteleport");
 	}
@@ -44,35 +53,34 @@ public class SetteleportCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.setteleport") && !sender.hasPermission("areashop.setteleportall")) {
-			plugin.message(sender, "setteleport-noPermission");
+			messageBridge.message(sender, "setteleport-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "onlyByPlayer");
 			return;
 		}
-		Player player = (Player)sender;
 		GeneralRegion region;
 		if(args.length < 2) {
 			// get the region by location
 			List<GeneralRegion> regions = Utils.getImportantRegions(((Player)sender).getLocation());
 			if(regions.isEmpty()) {
-				plugin.message(sender, "cmd-noRegionsAtLocation");
+				messageBridge.message(sender, "cmd-noRegionsAtLocation");
 				return;
 			} else if(regions.size() > 1) {
-				plugin.message(sender, "cmd-moreRegionsAtLocation");
+				messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 				return;
 			} else {
 				region = regions.get(0);
 			}
 		} else {
-			region = plugin.getFileManager().getRegion(args[1]);
+			region = fileManager.getRegion(args[1]);
 		}
 
 		boolean owner;
 
 		if(region == null) {
-			plugin.message(player, "setteleport-noRentOrBuy", args[1]);
+			messageBridge.message(player, "setteleport-noRentOrBuy", args[1]);
 			return;
 		}
 		if(region instanceof RentRegion) {
@@ -81,10 +89,10 @@ public class SetteleportCommand extends CommandAreaShop {
 			owner = player.getUniqueId().equals(((BuyRegion)region).getBuyer());
 		}
 		if(!player.hasPermission("areashop.setteleport")) {
-			plugin.message(player, "setteleport-noPermission", region);
+			messageBridge.message(player, "setteleport-noPermission", region);
 			return;
 		} else if(!owner && !player.hasPermission("areashop.setteleportall")) {
-			plugin.message(player, "setteleport-noPermissionOther", region);
+			messageBridge.message(player, "setteleport-noPermissionOther", region);
 			return;
 		}
 
@@ -92,23 +100,23 @@ public class SetteleportCommand extends CommandAreaShop {
 		if(args.length > 2 && args[2] != null && (args[2].equalsIgnoreCase("reset") || args[2].equalsIgnoreCase("yes") || args[2].equalsIgnoreCase("true"))) {
 			region.getTeleportFeature().setTeleport(null);
 			region.update();
-			plugin.message(player, "setteleport-reset", region);
+			messageBridge.message(player, "setteleport-reset", region);
 			return;
 		}
 		if(!player.hasPermission("areashop.setteleportoutsideregion") && (wgRegion == null || !wgRegion.contains(player.getLocation().getBlockX(), player.getLocation().getBlockY(), player.getLocation().getBlockZ()))) {
-			plugin.message(player, "setteleport-notInside", region);
+			messageBridge.message(player, "setteleport-notInside", region);
 			return;
 		}
 		region.getTeleportFeature().setTeleport(player.getLocation());
 		region.update();
-		plugin.message(player, "setteleport-success", region);
+		messageBridge.message(player, "setteleport-success", region);
 	}
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		} else if(toComplete == 3) {
 			result.add("reset");
 		}

AreaShop/src/main/java/me/wiefferink/areashop/commands/StackCommand.java

@@ -2,26 +2,47 @@ package me.wiefferink.areashop.commands;
 
 import com.sk89q.worldguard.protection.managers.RegionManager;
 import com.sk89q.worldguard.protection.regions.ProtectedCuboidRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
-import me.wiefferink.areashop.regions.BuyRegion;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
 import me.wiefferink.areashop.regions.RegionGroup;
-import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.Location;
 import org.bukkit.block.BlockFace;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 import org.bukkit.scheduler.BukkitRunnable;
 import org.bukkit.util.Vector;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class StackCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	@Inject
+	private WorldEditInterface worldEditInterface;
+	@Inject
+	private WorldGuardInterface worldGuardInterface;
+	@Inject
+	private RegionFactory regionFactory;
+	@Inject
+	private Plugin plugin;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop stack";
@@ -39,18 +60,17 @@ public class StackCommand extends CommandAreaShop {
 	public void execute(CommandSender sender, String[] args) {
 		// Check permission
 		if(!sender.hasPermission("areashop.stack")) {
-			plugin.message(sender, "stack-noPermission");
+			messageBridge.message(sender, "stack-noPermission");
 			return;
 		}
 		// Only from ingame
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof final Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
-		final Player player = (Player)sender;
 		// Specify enough arguments
 		if(args.length < 5) {
-			plugin.message(sender, "stack-help");
+			messageBridge.message(sender, "stack-help");
 			return;
 		}
 		// Check amount
@@ -61,7 +81,7 @@ public class StackCommand extends CommandAreaShop {
 			// Incorrect number
 		}
 		if(tempAmount <= 0) {
-			plugin.message(player, "stack-wrongAmount", args[1]);
+			messageBridge.message(player, "stack-wrongAmount", args[1]);
 			return;
 		}
 		// Check gap
@@ -69,27 +89,27 @@ public class StackCommand extends CommandAreaShop {
 		try {
 			gap = Integer.parseInt(args[2]);
 		} catch(NumberFormatException e) {
-			plugin.message(player, "stack-wrongGap", args[2]);
+			messageBridge.message(player, "stack-wrongGap", args[2]);
 			return;
 		}
 		// Check region type
 		if(!"rent".equalsIgnoreCase(args[4]) && !"buy".equalsIgnoreCase(args[4])) {
-			plugin.message(sender, "stack-help");
+			messageBridge.message(sender, "stack-help");
 			return;
 		}
 		// Get WorldEdit selection
-		final WorldEditSelection selection = plugin.getWorldEditHandler().getPlayerSelection(player);
+		final WorldEditSelection selection = worldEditInterface.getPlayerSelection(player);
 		if(selection == null) {
-			plugin.message(player, "stack-noSelection");
+			messageBridge.message(player, "stack-noSelection");
 			return;
 		}
 		// Get or create group
 		RegionGroup group = null;
 		if(args.length > 5) {
-			group = plugin.getFileManager().getGroup(args[5]);
+			group = fileManager.getGroup(args[5]);
 			if(group == null) {
-				group = new RegionGroup(plugin, args[5]);
-				plugin.getFileManager().addGroup(group);
+				group = regionFactory.createRegionGroup(args[5]);
+				fileManager.addGroup(group);
 			}
 		}
 		// Get facing of the player (must be clearly one of the four directions to make sure it is no mistake)
@@ -100,7 +120,7 @@ public class StackCommand extends CommandAreaShop {
 			facing = BlockFace.UP;
 		}
 		if(!(facing == BlockFace.NORTH || facing == BlockFace.EAST || facing == BlockFace.SOUTH || facing == BlockFace.WEST || facing == BlockFace.UP || facing == BlockFace.DOWN)) {
-			plugin.message(player, "stack-unclearDirection", facing.toString().toLowerCase().replace('_', '-'));
+			messageBridge.message(player, "stack-unclearDirection", facing.toString().toLowerCase().replace('_', '-'));
 			return;
 		}
 		Vector shift = new Vector(0, 0, 0);
@@ -137,8 +157,8 @@ public class StackCommand extends CommandAreaShop {
 		if(group != null) {
 			groupsMessage = Message.fromKey("stack-addToGroup").replacements(group.getName());
 		}
-		plugin.message(player, "stack-accepted", amount, type, gap, nameTemplate, groupsMessage);
-		plugin.message(player, "stack-addStart", amount, regionsPerTick * 20);
+		messageBridge.message(player, "stack-accepted", amount, type, gap, nameTemplate, groupsMessage);
+		messageBridge.message(player, "stack-addStart", amount, regionsPerTick * 20);
 
 		Location minimumLocation = selection.getMinimumLocation();
 		Vector minimumVector = new Vector(minimumLocation.getX(), minimumLocation.getY(), minimumLocation.getZ());
@@ -157,33 +177,16 @@ public class StackCommand extends CommandAreaShop {
 					current++;
 					if(current < amount) {
 						// Create the region name
-						String counterName = counter + "";
-						int minimumLength = plugin.getConfig().getInt("stackRegionNumberLength");
-						while(counterName.length() < minimumLength) {
-							counterName = "0" + counterName;
-						}
-						String regionName;
-						if(nameTemplate.contains("#")) {
-							regionName = nameTemplate.replace("#", counterName);
-						} else {
-							regionName = nameTemplate + counterName;
-						}
+						String regionName = countToName(nameTemplate, counter);
 						while(manager.getRegion(regionName) != null || AreaShop.getInstance().getFileManager().getRegion(regionName) != null) {
 							counter++;
-							counterName = counter + "";
-							minimumLength = plugin.getConfig().getInt("stackRegionNumberLength");
-							while(counterName.length() < minimumLength) {
-								counterName = "0" + counterName;
-							}
-							if(nameTemplate.contains("#")) {
-								regionName = nameTemplate.replace("#", counterName);
-							} else {
-								regionName = nameTemplate + counterName;
-							}
+							regionName = countToName(nameTemplate, counter);
 						}
+
 						// Add the region to WorldGuard (at startposition shifted by the number of this region times the blocks it should shift)
 						Vector minimum = minimumVector.clone().add(finalShift.clone().multiply(current));
 						Vector maximum = maximumVector.clone().add(finalShift.clone().multiply(current));
+
 						// Check for out of bounds
 						if(minimum.getBlockY() < 0) {
 							tooLow++;
@@ -192,30 +195,28 @@ public class StackCommand extends CommandAreaShop {
 							tooHigh++;
 							continue;
 						}
-						ProtectedCuboidRegion region = plugin.getWorldGuardHandler().createCuboidRegion(regionName, minimum,maximum);
+						ProtectedCuboidRegion region = worldGuardInterface.createCuboidRegion(regionName, minimum,maximum);
 						manager.addRegion(region);
+
 						// Add the region to AreaShop
+						GeneralRegion newRegion;
 						if(rentRegions) {
-							RentRegion rent = new RentRegion(regionName, selection.getWorld());
-							if(finalGroup != null) {
-								finalGroup.addMember(rent);
-							}
-							rent.runEventCommands(GeneralRegion.RegionEvent.CREATED, true);
-							plugin.getFileManager().addRent(rent);
-							rent.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-							rent.runEventCommands(GeneralRegion.RegionEvent.CREATED, false);
-							rent.update();
+							newRegion = regionFactory.createRentRegion(regionName, selection.getWorld());
+
 						} else {
-							BuyRegion buy = new BuyRegion(regionName, selection.getWorld());
-							if(finalGroup != null) {
-								finalGroup.addMember(buy);
-							}
-							buy.runEventCommands(GeneralRegion.RegionEvent.CREATED, true);
-							plugin.getFileManager().addBuy(buy);
-							buy.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-							buy.runEventCommands(GeneralRegion.RegionEvent.CREATED, false);
-							buy.update();
+							newRegion = regionFactory.createBuyRegion(regionName, selection.getWorld());
 						}
+
+						if(finalGroup != null) {
+							finalGroup.addMember(newRegion);
+						}
+						AddingRegionEvent event = fileManager.addRegion(newRegion);
+						if (event.isCancelled()) {
+							messageBridge.message(player, "general-cancelled", event.getReason());
+							continue;
+						}
+						newRegion.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
+						newRegion.update();
 					}
 				}
 				if(current >= amount) {
@@ -228,7 +229,7 @@ public class StackCommand extends CommandAreaShop {
 						if(tooLow > 0) {
 							wrong.append(Message.fromKey("stack-tooLow").replacements(tooLow));
 						}
-						plugin.message(player, "stack-addComplete", added, wrong);
+						messageBridge.message(player, "stack-addComplete", added, wrong);
 					}
 					this.cancel();
 				}
@@ -236,6 +237,26 @@ public class StackCommand extends CommandAreaShop {
 		}.runTaskTimer(plugin, 1, 1);
 	}
 
+	/**
+	 * Build a name from a count, with the right length.
+	 * @param template Template to put the name in (# to put the count there, otherwise count is appended)
+	 * @param count Number to use
+	 * @return name with prepended 0's
+	 */
+	private String countToName(String template, int count) {
+		StringBuilder counterName =  new StringBuilder().append(count);
+		int minimumLength = plugin.getConfig().getInt("stackRegionNumberLength");
+		while(counterName.length() < minimumLength) {
+			counterName.insert(0, "0");
+		}
+
+		if(template.contains("#")) {
+			return template.replace("#", counterName);
+		} else {
+			return template + counterName;
+		}
+	}
+
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		List<String> result = new ArrayList<>();
@@ -243,7 +264,7 @@ public class StackCommand extends CommandAreaShop {
 			result.add("rent");
 			result.add("buy");
 		} else if(toComplete == 6) {
-			result.addAll(plugin.getFileManager().getGroupNames());
+			result.addAll(fileManager.getGroupNames());
 		}
 		return result;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/commands/StopresellCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.command.CommandSender;
@@ -8,8 +12,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class StopresellCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop stopresell";
@@ -26,7 +36,7 @@ public class StopresellCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.stopresell") && !sender.hasPermission("areashop.stopresellall")) {
-			plugin.message(sender, "stopresell-noPermissionOther");
+			messageBridge.message(sender, "stopresell-noPermissionOther");
 			return;
 		}
 
@@ -36,47 +46,47 @@ public class StopresellCommand extends CommandAreaShop {
 				// get the region by location
 				List<BuyRegion> regions = Utils.getImportantBuyRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					buy = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			buy = plugin.getFileManager().getBuy(args[1]);
+			buy = fileManager.getBuy(args[1]);
 			if(buy == null) {
-				plugin.message(sender, "stopresell-notRegistered", args[1]);
+				messageBridge.message(sender, "stopresell-notRegistered", args[1]);
 				return;
 			}
 		}
 		if(buy == null) {
-			plugin.message(sender, "cmd-noRegionsAtLocation");
+			messageBridge.message(sender, "cmd-noRegionsAtLocation");
 			return;
 		}
 		if(!buy.isInResellingMode()) {
-			plugin.message(sender, "stopresell-notResell", buy);
+			messageBridge.message(sender, "stopresell-notResell", buy);
 			return;
 		}
 		if(sender.hasPermission("areashop.stopresellall")) {
 			buy.disableReselling();
 			buy.update();
-			plugin.message(sender, "stopresell-success", buy);
+			messageBridge.message(sender, "stopresell-success", buy);
 		} else if(sender.hasPermission("areashop.stopresell") && sender instanceof Player) {
 			if(buy.isOwner((Player)sender)) {
 				buy.disableReselling();
 				buy.update();
-				plugin.message(sender, "stopresell-success", buy);
+				messageBridge.message(sender, "stopresell-success", buy);
 			} else {
-				plugin.message(sender, "stopresell-noPermissionOther", buy);
+				messageBridge.message(sender, "stopresell-noPermissionOther", buy);
 			}
 		} else {
-			plugin.message(sender, "stopresell-noPermission", buy);
+			messageBridge.message(sender, "stopresell-noPermission", buy);
 		}
 	}
 
@@ -84,7 +94,7 @@ public class StopresellCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(BuyRegion region : plugin.getFileManager().getBuys()) {
+			for(BuyRegion region : fileManager.getBuysRef()) {
 				if(region.isSold() && region.isInResellingMode()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/commands/TeleportCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -7,8 +11,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class TeleportCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop tp";
@@ -29,10 +39,9 @@ public class TeleportCommand extends CommandAreaShop {
 	 * @return true if the person can teleport to it, otherwise false
 	 */
 	public static boolean canUse(CommandSender person, GeneralRegion region) {
-		if(!(person instanceof Player)) {
+		if(!(person instanceof Player player)) {
 			return false;
 		}
-		Player player = (Player)person;
 		return player.hasPermission("areashop.teleportall")
 				|| region.isOwner(player) && player.hasPermission("areashop.teleport")
 				|| region.isAvailable() && player.hasPermission("areashop.teleportavailable")
@@ -42,36 +51,36 @@ public class TeleportCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.teleport") && !sender.hasPermission("areashop.teleportall") && !sender.hasPermission("areashop.teleportavailable") && !sender.hasPermission("areashop.teleportavailablesign") && !sender.hasPermission("areashop.teleportsign") && !sender.hasPermission("areashop.teleportsignall") && !sender.hasPermission("areashop.teleportfriend") && !sender.hasPermission("teleportfriendsign")) {
-			plugin.message(sender, "teleport-noPermission");
+			messageBridge.message(sender, "teleport-noPermission");
 			return;
 		}
-		if(!(sender instanceof Player)) {
-			plugin.message(sender, "cmd-onlyByPlayer");
+		if(!(sender instanceof Player player)) {
+			messageBridge.message(sender, "cmd-onlyByPlayer");
 			return;
 		}
 		if(args.length <= 1 || args[1] == null) {
-			plugin.message(sender, "teleport-help");
+			messageBridge.message(sender, "teleport-help");
 			return;
 		}
-		Player player = (Player)sender;
-		GeneralRegion region = plugin.getFileManager().getRegion(args[1]);
+		GeneralRegion region = fileManager.getRegion(args[1]);
 		if(region == null) {
-			plugin.message(player, "teleport-noRentOrBuy", args[1]);
+			messageBridge.message(player, "teleport-noRentOrBuy", args[1]);
 			return;
 		}
-		if(args.length >= 3 && (args[2].equalsIgnoreCase("sign") || args[2].equalsIgnoreCase("yes") || args[2].equalsIgnoreCase("true"))) {
-			region.getTeleportFeature().teleportPlayer(player, true);
-		} else {
-			region.getTeleportFeature().teleportPlayer(player, false);
-		}
 
+		boolean toSign = args.length >= 3 && (
+				args[2].equalsIgnoreCase("sign")
+						|| args[2].equalsIgnoreCase("yes")
+						|| args[2].equalsIgnoreCase("true")
+		);
+		region.getTeleportFeature().teleportPlayer(player, toSign);
 	}
 
 	@Override
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			result.addAll(plugin.getFileManager().getRegionNames());
+			result.addAll(fileManager.getRegionNames());
 		} else if(toComplete == 3) {
 			result.add("sign");
 		}

AreaShop/src/main/java/me/wiefferink/areashop/commands/TransferCommand.java

@@ -0,0 +1,157 @@
+package me.wiefferink.areashop.commands;
+
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.regions.BuyRegion;
+import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.Utils;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.Server;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+@Singleton
+public class TransferCommand extends CommandAreaShop {
+
+    @Inject
+    private MessageBridge messageBridge;
+    @Inject
+    private IFileManager fileManager;
+    @Inject
+    private Plugin plugin;
+    @Inject
+    private Server server;
+
+    @Override
+    public String getCommandStart() {
+        return "areashop transfer";
+    }
+
+    @Override
+    public String getHelp(CommandSender target) {
+        if (!target.hasPermission("areashop.transfer")) {
+            return null;
+        }
+        return "help-transfer";
+    }
+
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("areashop.transfer")) {
+            this.messageBridge.message(sender, "transfer-noPermission");
+            return;
+        }
+        if (sender instanceof Player player) {
+            handlePlayer(player, args);
+        } else {
+            this.messageBridge.message(sender, "cmd-onlyByPlayer");
+        }
+    }
+
+    private void handlePlayer(Player player, String[] args) {
+        if (args.length < 2) {
+            this.messageBridge.message(player, "transfer-help");
+            return;
+        }
+        String targetPlayerName = args[1];
+        if (targetPlayerName.equals(player.getName())) {
+            this.messageBridge.message(player, "transfer-transferSelf");
+            return;
+        }
+        GeneralRegion region;
+        if (args.length > 2) {
+            String targetRegionName = args[2];
+            region = this.fileManager.getRegion(targetRegionName);
+            if (region == null) {
+                messageBridge.message(player, "cmd-noRegion");
+                return;
+            }
+        } else {
+            List<GeneralRegion> regions = Utils.getImportantRegions(player.getLocation());
+            if (regions.isEmpty()) {
+                messageBridge.message(player, "cmd-noRegionsAtLocation");
+                return;
+            } else if (regions.size() > 1) {
+                messageBridge.message(player, "cmd-moreRegionsAtLocation");
+                return;
+            }
+            region = regions.get(0);
+        }
+        if (!region.isTransferEnabled()) {
+            this.messageBridge.message(player, "transfer-disabled");
+            return;
+        }
+        @SuppressWarnings("deprecation")
+        OfflinePlayer targetPlayer = this.server.getOfflinePlayer(targetPlayerName);
+        if (!targetPlayer.hasPlayedBefore()) {
+            // Unknown player
+            this.messageBridge.message(player, "transfer-noPlayer", targetPlayerName);
+            return;
+        }
+        if (region.isLandlord(player.getUniqueId())) {
+            // Transfer ownership if same as landlord
+            region.getFriendsFeature().deleteFriend(region.getOwner(), null);
+            region.setOwner(targetPlayer.getUniqueId());
+            region.setLandlord(targetPlayer.getUniqueId(), targetPlayerName);
+            this.messageBridge.message(player, "transfer-transferred-owner", targetPlayerName, region);
+            if (targetPlayer.isOnline()) {
+                this.messageBridge.message(targetPlayer.getPlayer(), "transfer-transferred-owner", targetPlayerName, region);
+            }
+            region.update();
+            region.saveRequired();
+            return;
+        }
+        if (!region.isOwner(player.getUniqueId())) {
+            // Cannot transfer tenant if we aren't the current tenant
+            this.messageBridge.message(player, "transfer-notCurrentTenant");
+            return;
+        }
+        region.getFriendsFeature().deleteFriend(region.getOwner(), null);
+        // Swap the owner/occupant (renter or buyer)
+        region.setOwner(targetPlayer.getUniqueId());
+
+        this.messageBridge.message(player, "transfer-transferred-tenant", targetPlayerName, region);
+        if (targetPlayer.isOnline()) {
+            this.messageBridge.message(targetPlayer.getPlayer(), "transfer-transferred-tenant", targetPlayerName, region);
+        }
+        region.update();
+        region.saveRequired();
+    }
+
+    @Override
+    public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
+        if (toComplete == 2) {
+            Collection<? extends Player> players = this.server.getOnlinePlayers();
+            List<String> ret = new ArrayList<>(players.stream()
+                    .map(Player::getName)
+                    .toList());
+            if (sender instanceof Player player) {
+                ret.remove(player.getName());
+            }
+            return ret;
+        } else if (toComplete == 3) {
+            if (!(sender instanceof Player player)) {
+                return this.fileManager.getRegionNames();
+            }
+            UUID uuid = player.getUniqueId();
+            return new ArrayList<>(this.fileManager.getRegions()
+                    .stream()
+                    .filter(region -> region.isOwner(uuid) || region.isLandlord(uuid))
+                    .map(GeneralRegion::getName)
+                    .toList());
+        }
+        return Collections.emptyList();
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/commands/UnrentCommand.java

@@ -1,5 +1,9 @@
 package me.wiefferink.areashop.commands;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.managers.IFileManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
 import me.wiefferink.areashop.tools.Utils;
@@ -9,8 +13,14 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.List;
 
+@Singleton
 public class UnrentCommand extends CommandAreaShop {
 
+	@Inject
+	private MessageBridge messageBridge;
+	@Inject
+	private IFileManager fileManager;
+	
 	@Override
 	public String getCommandStart() {
 		return "areashop unrent";
@@ -34,8 +44,7 @@ public class UnrentCommand extends CommandAreaShop {
 		if(person.hasPermission("areashop.unrent")) {
 			return true;
 		}
-		if(person instanceof Player) {
-			Player player = (Player)person;
+		if(person instanceof Player player) {
 			return region.isOwner(player) && person.hasPermission("areashop.unrentown");
 		}
 		return false;
@@ -44,7 +53,7 @@ public class UnrentCommand extends CommandAreaShop {
 	@Override
 	public void execute(CommandSender sender, String[] args) {
 		if(!sender.hasPermission("areashop.unrent") && !sender.hasPermission("areashop.unrentown")) {
-			plugin.message(sender, "unrent-noPermission");
+			messageBridge.message(sender, "unrent-noPermission");
 			return;
 		}
 		RentRegion rent;
@@ -53,27 +62,27 @@ public class UnrentCommand extends CommandAreaShop {
 				// get the region by location
 				List<RentRegion> regions = Utils.getImportantRentRegions(((Player)sender).getLocation());
 				if(regions.isEmpty()) {
-					plugin.message(sender, "cmd-noRegionsAtLocation");
+					messageBridge.message(sender, "cmd-noRegionsAtLocation");
 					return;
 				} else if(regions.size() > 1) {
-					plugin.message(sender, "cmd-moreRegionsAtLocation");
+					messageBridge.message(sender, "cmd-moreRegionsAtLocation");
 					return;
 				} else {
 					rent = regions.get(0);
 				}
 			} else {
-				plugin.message(sender, "cmd-automaticRegionOnlyByPlayer");
+				messageBridge.message(sender, "cmd-automaticRegionOnlyByPlayer");
 				return;
 			}
 		} else {
-			rent = plugin.getFileManager().getRent(args[1]);
+			rent = fileManager.getRent(args[1]);
 		}
 		if(rent == null) {
-			plugin.message(sender, "unrent-notRegistered");
+			messageBridge.message(sender, "unrent-notRegistered");
 			return;
 		}
 		if(!rent.isRented()) {
-			plugin.message(sender, "unrent-notRented", rent);
+			messageBridge.message(sender, "unrent-notRented", rent);
 			return;
 		}
 		rent.unRent(true, sender);
@@ -83,7 +92,7 @@ public class UnrentCommand extends CommandAreaShop {
 	public List<String> getTabCompleteList(int toComplete, String[] start, CommandSender sender) {
 		ArrayList<String> result = new ArrayList<>();
 		if(toComplete == 2) {
-			for(RentRegion region : plugin.getFileManager().getRents()) {
+			for(RentRegion region : fileManager.getRentsRef()) {
 				if(region.isRented()) {
 					result.add(region.getName());
 				}

AreaShop/src/main/java/me/wiefferink/areashop/events/RegionEvent.java

@@ -16,6 +16,7 @@ public class RegionEvent<T> extends Event {
 		return handlers;
 	}
 
+	// Required by Bukkit/Spigot
 	public static HandlerList getHandlerList() {
 		return handlers;
 	}

AreaShop/src/main/java/me/wiefferink/areashop/events/ask/AddingRegionEvent.java

@@ -0,0 +1,19 @@
+package me.wiefferink.areashop.events.ask;
+
+import me.wiefferink.areashop.events.CancellableRegionEvent;
+import me.wiefferink.areashop.regions.GeneralRegion;
+
+/**
+ * Broadcasted when a region has been added to AreaShop.
+ */
+public class AddingRegionEvent extends CancellableRegionEvent<GeneralRegion> {
+
+	/**
+	 * Constructor.
+	 * @param region The region that has been added
+	 */
+	public AddingRegionEvent(GeneralRegion region) {
+		super(region);
+	}
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/events/ask/DeletingRegionEvent.java

@@ -0,0 +1,19 @@
+package me.wiefferink.areashop.events.ask;
+
+import me.wiefferink.areashop.events.CancellableRegionEvent;
+import me.wiefferink.areashop.regions.GeneralRegion;
+
+/**
+ * Broadcasted when a region has been added to AreaShop.
+ */
+public class DeletingRegionEvent extends CancellableRegionEvent<GeneralRegion> {
+
+	/**
+	 * Constructor.
+	 * @param region The region that has been added
+	 */
+	public DeletingRegionEvent(GeneralRegion region) {
+		super(region);
+	}
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/CommandsFeature.java

@@ -0,0 +1,127 @@
+package me.wiefferink.areashop.features;
+
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
+import me.wiefferink.areashop.events.ask.DeletingRegionEvent;
+import me.wiefferink.areashop.events.ask.RentingRegionEvent;
+import me.wiefferink.areashop.events.ask.ResellingRegionEvent;
+import me.wiefferink.areashop.events.ask.SellingRegionEvent;
+import me.wiefferink.areashop.events.ask.UnrentingRegionEvent;
+import me.wiefferink.areashop.events.notify.AddedRegionEvent;
+import me.wiefferink.areashop.events.notify.BoughtRegionEvent;
+import me.wiefferink.areashop.events.notify.DeletedRegionEvent;
+import me.wiefferink.areashop.events.notify.RentedRegionEvent;
+import me.wiefferink.areashop.events.notify.ResoldRegionEvent;
+import me.wiefferink.areashop.events.notify.SoldRegionEvent;
+import me.wiefferink.areashop.events.notify.UnrentedRegionEvent;
+import me.wiefferink.areashop.regions.GeneralRegion;
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+
+import java.util.List;
+
+@Singleton
+public class CommandsFeature extends RegionFeature {
+
+	@Inject
+	CommandsFeature(AreaShop plugin) {
+		super(plugin);
+	}
+
+	/**
+	 * Run command for a certain event.
+	 * @param region Region to execute the events for
+	 * @param event The event
+	 * @param before The 'before' or 'after' commands
+	 */
+	public void runEventCommands(GeneralRegion region, GeneralRegion.RegionEvent event, boolean before) {
+		ConfigurationSection eventCommandProfileSection = region.getConfigurationSectionSetting("general.eventCommandProfile", "eventCommandProfiles");
+		if(eventCommandProfileSection == null) {
+			return;
+		}
+		List<String> commands = eventCommandProfileSection.getStringList(event.getValue() + "." + (before ? "before" : "after"));
+		if(commands.isEmpty()) {
+			return;
+		}
+		region.runCommands(Bukkit.getConsoleSender(), commands);
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void addingRegion(AddingRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.CREATED, true);
+	}
+
+	@EventHandler
+	public void addedRegion(AddedRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.CREATED, false);
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void deletingRegion(DeletingRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.DELETED, true);
+	}
+
+	@EventHandler
+	public void deletedRegion(DeletedRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.DELETED, false);
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void rentingRegion(RentingRegionEvent event) {
+		// Technically the rent can still be cancelled if the payment fails...
+		runEventCommands(event.getRegion(), event.isExtending() ? GeneralRegion.RegionEvent.EXTENDED : GeneralRegion.RegionEvent.RENTED, true);
+	}
+
+	@EventHandler
+	public void rentedRegion(RentedRegionEvent event) {
+		runEventCommands(event.getRegion(), event.hasExtended() ? GeneralRegion.RegionEvent.EXTENDED : GeneralRegion.RegionEvent.RENTED, false);
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void buyingRegion(BuyingRegionEvent event) {
+		// Technically the buy can still be cancelled if the payment fails...
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.BOUGHT, true);
+	}
+
+	@EventHandler
+	public void boughtRegion(BoughtRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.BOUGHT, false);
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void resellingRegion(ResellingRegionEvent event) {
+		// Technically the resell can still be cancelled if the payment fails...
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.RESELL, true);
+	}
+
+	@EventHandler
+	public void resoldRegion(ResoldRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.RESELL, false);
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void sellingRegion(SellingRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.SOLD, true);
+	}
+
+	@EventHandler
+	public void soldRegion(SoldRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.SOLD, false);
+	}
+
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void unrentingRegion(UnrentingRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.UNRENTED, true);
+	}
+
+	@EventHandler
+	public void unrentedRegion(UnrentedRegionEvent event) {
+		runEventCommands(event.getRegion(), GeneralRegion.RegionEvent.UNRENTED, false);
+	}
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/DebugFeature.java

@@ -1,5 +1,7 @@
 package me.wiefferink.areashop.features;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
 import me.wiefferink.areashop.events.ask.RentingRegionEvent;
@@ -19,8 +21,16 @@ import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.event.EventHandler;
 
+import javax.annotation.Nonnull;
+
+@Singleton
 public class DebugFeature extends RegionFeature {
 
+	@Inject
+	DebugFeature(@Nonnull AreaShop plugin) {
+		super(plugin);
+	}
+
 	@EventHandler
 	public void buyingRegion(BuyingRegionEvent event) {
 		AreaShop.debug("BuyingRegionEvent: " + event.getPlayer().getName() + " is trying to buy " + event.getRegion().getName());

AreaShop/src/main/java/me/wiefferink/areashop/features/FeatureFactory.java

@@ -0,0 +1,19 @@
+package me.wiefferink.areashop.features;
+
+import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.regions.GeneralRegion;
+
+import javax.annotation.Nonnull;
+
+public interface FeatureFactory {
+
+    @Nonnull
+    SignsFeature createSignsFeature(@Nonnull GeneralRegion generalRegion);
+
+    @Nonnull
+    TeleportFeature createTeleportFeature(@Nonnull GeneralRegion generalRegion);
+
+    @Nonnull
+    FriendsFeature createFriendsFeature(@Nonnull GeneralRegion generalRegion);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/FriendsFeature.java

@@ -1,5 +1,10 @@
 package me.wiefferink.areashop.features;
 
+import com.google.inject.Inject;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.events.askandnotify.AddedFriendEvent;
 import me.wiefferink.areashop.events.askandnotify.DeletedFriendEvent;
 import me.wiefferink.areashop.regions.GeneralRegion;
@@ -7,6 +12,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
@@ -15,7 +21,12 @@ import java.util.UUID;
 
 public class FriendsFeature extends RegionFeature {
 
-	public FriendsFeature(GeneralRegion region) {
+	@Inject
+	private MessageBridge messageBridge;
+	
+	@AssistedInject
+	public FriendsFeature(@Nonnull AreaShop plugin, @Assisted @Nonnull GeneralRegion region) {
+		super(plugin);
 		setRegion(region);
 	}
 
@@ -30,7 +41,7 @@ public class FriendsFeature extends RegionFeature {
 		AddedFriendEvent event = new AddedFriendEvent(getRegion(), Bukkit.getOfflinePlayer(player), by);
 		Bukkit.getPluginManager().callEvent(event);
 		if(event.isCancelled()) {
-			plugin.message(by, "general-cancelled", event.getReason(), this);
+			messageBridge.message(by, "general-cancelled", event.getReason(), this);
 			return false;
 		}
 
@@ -52,7 +63,7 @@ public class FriendsFeature extends RegionFeature {
 		DeletedFriendEvent event = new DeletedFriendEvent(getRegion(), Bukkit.getOfflinePlayer(player), by);
 		Bukkit.getPluginManager().callEvent(event);
 		if(event.isCancelled()) {
-			plugin.message(by, "general-cancelled", event.getReason(), this);
+			messageBridge.message(by, "general-cancelled", event.getReason(), this);
 			return false;
 		}
 

AreaShop/src/main/java/me/wiefferink/areashop/features/RegionFeature.java

@@ -2,16 +2,41 @@ package me.wiefferink.areashop.features;
 
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.regions.GeneralRegion;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.event.HandlerList;
 import org.bukkit.event.Listener;
 
-public abstract class RegionFeature implements Listener {
-	public static final AreaShop plugin = AreaShop.getInstance();
+import javax.annotation.Nonnull;
 
-	public YamlConfiguration config = plugin.getConfig();
+/*
+Possible future feature classes:
+- RestrictedToRegion feature
+	- rent/buy restricted to the region itself
+- RestrictedToWorld feature
+	- rent/buy restricted to the world of the region
+- CountLimitsFeature:
+	- Check region limits
+- TimeLimitsFeatures:
+	- maxExtends
+	- maxRentTime
+- SchematicFeature
+	- save/load schematics
+- CommandsFeature
+	- execute commands after extend/rent/etc
+- LandlordFeature
+	- manage landlords
+- ExpirationWarningsFeature
+	- sending rental expiration warnings
+ */
+
+public abstract class RegionFeature implements Listener {
+
+	protected final AreaShop plugin;
 	private GeneralRegion region;
 
+	protected RegionFeature(@Nonnull AreaShop plugin) {
+		this.plugin = plugin;
+	}
+
 	/**
 	 * Set the region for this feature.
 	 * @param region Feature region

AreaShop/src/main/java/me/wiefferink/areashop/features/TeleportFeature.java

@@ -1,28 +1,38 @@
 package me.wiefferink.areashop.features;
 
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.features.signs.RegionSign;
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.areashop.tools.Value;
 import org.bukkit.Location;
 import org.bukkit.Material;
+import org.bukkit.Tag;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.entity.Player;
 import org.bukkit.util.Vector;
 
-import java.util.HashSet;
-import java.util.List;
+import javax.annotation.Nonnull;
+import java.util.Collection;
+import java.util.EnumSet;
+import java.util.Iterator;
 import java.util.Set;
 
 public class TeleportFeature extends RegionFeature {
 
-	public TeleportFeature() {
-	}
+	@Inject
+	private WorldGuardInterface worldGuardInterface;
 
-	public TeleportFeature(GeneralRegion region) {
+	@AssistedInject
+	public TeleportFeature(@Nonnull AreaShop plugin, @Assisted @Nonnull GeneralRegion region) {
+		super(plugin);
 		setRegion(region);
 	}
 
@@ -147,7 +157,7 @@ public class TeleportFeature extends RegionFeature {
 		int maxTries = plugin.getConfig().getInt("maximumTries");
 
 		// Tracking of which sides to continue the search
-		boolean done = isSafe(safeLocation) && (blocksInRegion || !insideRegion);
+		boolean done = isSafe(safeLocation);
 		boolean northDone = false, eastDone = false, southDone = false, westDone = false, topDone = false, bottomDone = false;
 		boolean continueThisDirection;
 
@@ -354,7 +364,9 @@ public class TeleportFeature extends RegionFeature {
 				// Let the player look at the sign
 				Vector playerVector = safeLocation.toVector();
 				playerVector.setY(playerVector.getY() + player.getEyeHeight(true));
-				Vector signVector = getRegion().getSignsFeature().getSigns().get(0).getLocation().toVector().add(new Vector(0.5, 0.5, 0.5));
+				SignManager signManager = getRegion().getSignsFeature().signManager();
+				Iterator<RegionSign> iterator = signManager.allSigns().iterator();
+				Vector signVector = iterator.next().getLocation().toVector().add(new Vector(0.5, 0.5, 0.5));
 				Vector direction = playerVector.clone().subtract(signVector).normalize();
 				safeLocation.setYaw(180 - (float)Math.toDegrees(Math.atan2(direction.getX(), direction.getZ())));
 				safeLocation.setPitch(90 - (float)Math.toDegrees(Math.acos(direction.getY())));
@@ -414,7 +426,7 @@ public class TeleportFeature extends RegionFeature {
 		}
 
 		// Get all blocks around the player (below foot level, foot level, head level and above head level)
-		Set<Material> around = new HashSet<>();
+		Set<Material> around = EnumSet.noneOf(Material.class);
 		for(int y = 0; y <= 3; y++) {
 			for(int x = -1; x <= 1; x++) {
 				for(int z = -1; z <= 1; z++) {
@@ -443,11 +455,10 @@ public class TeleportFeature extends RegionFeature {
 	 * @return true when it is safe to spawn inside, otherwise false
 	 */
 	private static boolean canSpawnIn(Material material) {
-		String name = material.name();
-		return name.contains("DOOR")
-				|| name.contains("SIGN")
-				|| name.contains("PLATE") // Redstone plates
-				|| name.equals("DRAGON_EGG");
+		return material == Material.DRAGON_EGG
+				|| Tag.DOORS.isTagged(material)
+				|| Tag.SIGNS.isTagged(material)
+				|| Tag.PRESSURE_PLATES.isTagged(material);
 	}
 
 	/**
@@ -456,17 +467,18 @@ public class TeleportFeature extends RegionFeature {
 	 * @return true when it is safe to spawn on top of, otherwise false
 	 */
 	private static boolean cannotSpawnOn(Material material) {
-		String name = material.name();
-		return name.equals("CACTUS")
-				|| name.contains("PISTON")
-				|| name.contains("SIGN")
-				|| name.contains("DOOR")
-				|| name.contains("PLATE")
-				|| name.contains("REDSTONE_LAMP")
-				|| name.contains("FENCE")
-				|| name.contains("GLASS_PANE") || name.contains("THIN_GLASS")
-				|| name.equals("DRAGON_EGG")
-				|| name.contains("MAGMA");
+		return material == Material.CACTUS
+				|| material == Material.PISTON
+				|| material == Material.PISTON_HEAD
+				|| material == Material.MOVING_PISTON
+				|| material == Material.DRAGON_EGG
+				|| material == Material.MAGMA_BLOCK
+				|| material == Material.REDSTONE_LAMP
+				|| Tag.SIGNS.isTagged(material)
+				|| Tag.DOORS.isTagged(material)
+				|| Tag.FENCE_GATES.isTagged(material)
+				|| Tag.FENCES.isTagged(material)
+				|| material.name().contains("GLASS_PANE");
 	}
 
 	/**
@@ -475,11 +487,9 @@ public class TeleportFeature extends RegionFeature {
 	 * @return true when it is safe to spawn next to, otherwise false
 	 */
 	private static boolean cannotSpawnBeside(Material material) {
-		String name = material.name();
-		return name.contains("LAVA")
-				|| name.contains("CACTUS")
-				|| name.equals("FIRE")
-				|| name.contains("MAGMA");
+		return material == Material.LAVA
+				|| material == Material.FIRE
+				|| material == Material.MAGMA_BLOCK;
 	}
 
 	/**
@@ -493,19 +503,21 @@ public class TeleportFeature extends RegionFeature {
 		ProtectedRegion worldguardRegion = getRegion().getRegion();
 
 		// Try to get sign location
-		List<RegionSign> signs = getRegion().getSignsFeature().getSigns();
-		boolean signAvailable = !signs.isEmpty();
+
+		Collection<RegionSign> signs = getRegion().getSignsFeature().signManager().allSigns();
 		if(toSign.get()) {
+			boolean signAvailable = !signs.isEmpty();
 			if(signAvailable) {
+				RegionSign firstSign = signs.iterator().next();
 				// Use the location 1 below the sign to prevent weird spawing above the sign
-				startLocation = signs.get(0).getLocation(); //.subtract(0.0, 1.0, 0.0);
+				startLocation = firstSign.getLocation(); //.subtract(0.0, 1.0, 0.0);
 				startLocation.setPitch(player.getLocation().getPitch());
 				startLocation.setYaw(player.getLocation().getYaw());
 
 				// Move player x blocks away from the sign
 				double distance = getRegion().getDoubleSetting("general.teleportSignDistance");
 				if(distance > 0) {
-					BlockFace facing = getRegion().getSignsFeature().getSigns().get(0).getFacing();
+					BlockFace facing = firstSign.getFacing();
 					Vector facingVector = new Vector(facing.getModX(), facing.getModY(), facing.getModZ())
 							.normalize()
 							.multiply(distance);
@@ -528,8 +540,8 @@ public class TeleportFeature extends RegionFeature {
 		// Calculate a default location
 		if(startLocation == null) {
 			// Set to block in the middle, y configured in the config
-			Vector regionMin = AreaShop.getInstance().getWorldGuardHandler().getMinimumPoint(worldguardRegion);
-			Vector regionMax = AreaShop.getInstance().getWorldGuardHandler().getMaximumPoint(worldguardRegion);
+			Vector regionMin = worldGuardInterface.getMinimumPoint(worldguardRegion);
+			Vector regionMax = worldGuardInterface.getMaximumPoint(worldguardRegion);
 			Vector middle = regionMin.clone().midpoint(regionMax);
 			String configSetting = getRegion().getStringSetting("general.teleportLocationY");
 			if("bottom".equalsIgnoreCase(configSetting)) {

AreaShop/src/main/java/me/wiefferink/areashop/features/WorldGuardRegionFlagsFeature.java

@@ -5,20 +5,34 @@ import com.sk89q.worldguard.protection.flags.Flag;
 import com.sk89q.worldguard.protection.flags.InvalidFlagFormat;
 import com.sk89q.worldguard.protection.flags.RegionGroupFlag;
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
 import me.wiefferink.areashop.interfaces.RegionAccessSet;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.event.EventHandler;
 
+import javax.annotation.Nonnull;
 import java.util.Objects;
 import java.util.Set;
 import java.util.UUID;
 
+@Singleton
 public class WorldGuardRegionFlagsFeature extends RegionFeature {
 
+	@Inject
+	private WorldGuardInterface worldGuardInterface;
+	@Inject
+	private WorldGuardPlugin worldGuard;
+	
+	@Inject
+	WorldGuardRegionFlagsFeature(@Nonnull AreaShop plugin) {
+		super(plugin);
+	}
 
 	@EventHandler
 	public void regionUpdate(UpdateRegionEvent event) {
@@ -42,7 +56,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 		// Region flags for all states
 		ConfigurationSection allFlags = flagProfileSection.getConfigurationSection("ALL");
 		if(allFlags != null) {
-			result = result && updateRegionFlags(region, allFlags);
+			result = updateRegionFlags(region, allFlags);
 		}
 
 		// Region flags for the current state
@@ -52,9 +66,8 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 		if(stateFlags == null && region.getState() == GeneralRegion.RegionState.RESELL) {
 			stateFlags = flagProfileSection.getConfigurationSection("resale");
 		}
-
 		if(stateFlags != null) {
-			result = result && updateRegionFlags(region, stateFlags);
+			result &= updateRegionFlags(region, stateFlags);
 		}
 
 		return result;
@@ -70,7 +83,6 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 		boolean result = true;
 
 		Set<String> flagNames = flags.getKeys(false);
-		WorldGuardPlugin worldGuard = plugin.getWorldGuard();
 
 		// Get the region
 		ProtectedRegion worldguardRegion = region.getRegion();
@@ -82,14 +94,14 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 		for(String flagName : flagNames) {
 			String value = Message.fromString(flags.getString(flagName)).replacements(region).getPlain();
 			// In the config normal Bukkit color codes are used, those only need to be translated on 5.X WorldGuard versions
-			if(plugin.getWorldGuard().getDescription().getVersion().startsWith("5.")) {
+			if(worldGuard.getDescription().getVersion().startsWith("5.")) {
 				value = translateBukkitToWorldGuardColors(value);
 			}
 			if(flagName.equalsIgnoreCase("members")) {
-				plugin.getWorldGuardHandler().setMembers(worldguardRegion, parseAccessSet(value));
+				worldGuardInterface.setMembers(worldguardRegion, parseAccessSet(value));
 				//AreaShop.debug("  Flag " + flagName + " set: " + members.toUserFriendlyString());
 			} else if(flagName.equalsIgnoreCase("owners")) {
-				plugin.getWorldGuardHandler().setOwners(worldguardRegion, parseAccessSet(value));
+				worldGuardInterface.setOwners(worldguardRegion, parseAccessSet(value));
 				//AreaShop.debug("  Flag " + flagName + " set: " + owners.toUserFriendlyString());
 			} else if(flagName.equalsIgnoreCase("priority")) {
 				try {
@@ -124,7 +136,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 				String flagSetting = null;
 				com.sk89q.worldguard.protection.flags.RegionGroup groupValue = null;
 
-				Flag<?> foundFlag = plugin.getWorldGuardHandler().fuzzyMatchFlag(flagName);
+				Flag<?> foundFlag = worldGuardInterface.fuzzyMatchFlag(flagName);
 				if(foundFlag == null) {
 					AreaShop.warn("Found wrong flag in flagProfiles section: " + flagName + ", check if that is the correct WorldGuard flag");
 					continue;
@@ -146,7 +158,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 							if(part.startsWith("g:")) {
 								if(part.length() > 2) {
 									try {
-										groupValue = plugin.getWorldGuardHandler().parseFlagGroupInput(groupFlag, part.substring(2));
+										groupValue = worldGuardInterface.parseFlagGroupInput(groupFlag, part.substring(2));
 									} catch(InvalidFlagFormat e) {
 										AreaShop.warn("Found wrong group value for flag " + flagName);
 									}
@@ -230,7 +242,7 @@ public class WorldGuardRegionFlagsFeature extends RegionFeature {
 	 */
 	private <V> void setFlag(ProtectedRegion region, Flag<V> flag, String value) throws InvalidFlagFormat {
 		V current = region.getFlag(flag);
-		V next = plugin.getWorldGuardHandler().parseFlagInput(flag, value);
+		V next = worldGuardInterface.parseFlagInput(flag, value);
 
 		if(!Objects.equals(current, next)) {
 			region.setFlag(flag, next);

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/RegionSign.java

@@ -1,9 +1,16 @@
 package me.wiefferink.areashop.features.signs;
 
 import com.google.common.base.Objects;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import io.papermc.lib.PaperLib;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.managers.SignErrorLogger;
+import me.wiefferink.areashop.platform.adapter.BlockBehaviourHelper;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.interactivemessenger.processing.Message;
 import org.bukkit.Bukkit;
@@ -11,11 +18,15 @@ import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
+import org.bukkit.block.BlockState;
 import org.bukkit.block.Sign;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.type.WallSign;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -24,14 +35,30 @@ import java.util.List;
  */
 public class RegionSign {
 
+	private final BlockBehaviourHelper blockHelper;
+	private final SignErrorLogger errorLogger;
+
 	private final SignsFeature signsFeature;
 	private final String key;
 
-	public RegionSign(SignsFeature signsFeature, String key) {
+
+	@AssistedInject
+	RegionSign(
+			@Nonnull BlockBehaviourHelper blockBehaviourHelper,
+			@Nonnull SignErrorLogger signErrorLogger,
+			@Assisted @Nonnull SignsFeature signsFeature,
+			@Assisted @Nonnull String key
+	) {
+		this.blockHelper = blockBehaviourHelper;
+		this.errorLogger = signErrorLogger;
 		this.signsFeature = signsFeature;
 		this.key = key;
 	}
 
+	public BlockPosition getPosition() {
+		return new BlockPosition(getLocation());
+	}
+
 	/**
 	 * Get the location of this sign.
 	 * @return The location of this sign
@@ -68,11 +95,13 @@ public class RegionSign {
 	 * Remove this sign from the region.
 	 */
 	public void remove() {
-		getLocation().getBlock().setType(Material.AIR);
-		signsFeature.getSignsRef().remove(getStringLocation());
-		SignsFeature.getAllSigns().remove(getStringLocation());
-		SignsFeature.getSignsByChunk().get(getStringChunk()).remove(this);
+		Location location = getLocation();
+		if (location != null && location.getWorld() != null) {
+			location.getBlock().setType(Material.AIR);
+			this.signsFeature.signManager().removeSign(this);
+		}
 		getRegion().setSetting("general.signs." + key, null);
+		// Remove the sign from the region's sign manager
 	}
 
 	/**
@@ -84,7 +113,7 @@ public class RegionSign {
 	}
 
 	/**
-	 * Get the facing of the sign.
+	 * Get the facing of the sign as saved in the config.
 	 * @return BlockFace the sign faces, or null if unknown
 	 */
 	public BlockFace getFacing() {
@@ -96,17 +125,13 @@ public class RegionSign {
 	}
 
 	/**
-	 * Get the material of the sign
-	 * @return Material of the sign, normally {@link Material#WALL_SIGN} or {@link Material#SIGN_POST}, but could be something else or null.
+	 * Get the material of the sign as saved in the config.
+	 * @return Material of the sign,Material.AIR if none.
 	 */
 	public Material getMaterial() {
 		String name = getRegion().getConfig().getString("general.signs." + key + ".signType");
-		if ("WALL_SIGN".equals(name)) {
-			return Materials.wallSign;
-		} else if ("SIGN_POST".equals(name) || "SIGN".equals(name)) {
-			return Materials.floorSign;
-		}
-		return null;
+		Material result = Materials.signNameToMaterial(name);
+		return result == null ? Material.AIR : result;
 	}
 
 	/**
@@ -149,40 +174,46 @@ public class RegionSign {
 		}
 
 		// Place the sign back (with proper rotation and type) after it has been hidden or (indirectly) destroyed
-		Sign signState = null;
 		if(!Materials.isSign(block.getType())) {
 			Material signType = getMaterial();
-			block.setType(signType);
-			if(!Materials.isSign(block.getType())) {
-				AreaShop.debug("Setting sign", key, "of region", getRegion().getName(), "failed, could not set sign block back");
+			if (!blockHelper.canPlace(block.getLocation(), Bukkit.createBlockData(signType))) {
+				errorLogger.submitWarning("Setting sign" +  key +  "of region" + getRegion().getName() +  "failed, could not set sign block back");
+				this.remove();
 				return false;
 			}
-			signState = (Sign) block.getState();
-			org.bukkit.material.Sign signData = (org.bukkit.material.Sign)signState.getData();
-			BlockFace signFace = getFacing();
-			if(signFace != null) {
-				signData.setFacingDirection(signFace);
-				signState.setData(signData);
+			// Don't do physics here, we first need to update the direction
+			block.setType(signType, false);
+
+			BlockState blockState = PaperLib.getBlockState(block, false).getState();
+			BlockData blockData = blockState.getBlockData();
+
+			if(blockData instanceof WallSign) {
+				((WallSign) blockData).setFacing(getFacing());
+			} else if(blockData instanceof org.bukkit.block.data.type.Sign) {
+				((org.bukkit.block.data.type.Sign) blockData).setRotation(getFacing());
+			} else {
+				errorLogger.submitWarning("Failed to update the facing direction of the sign at" + getStringLocation() + "to " + getFacing() + ", region:" + getRegion().getName());
+				return false;
+			}
+			block.setBlockData(blockData);
+
+			// Check if the sign has popped
+			if(!Materials.isSign(block.getType())) {
+				return false;
 			}
-		}
-		if(signState == null) {
-			signState = (Sign) block.getState();
 		}
 
 		// Save current rotation and type
-		org.bukkit.material.Sign signData = (org.bukkit.material.Sign)signState.getData();
 		if(!regionConfig.isString("general.signs." + key + ".signType")) {
-			String signType = signState.getType().name();
-			if (signType.equals("SIGN")) {
-				signType = "SIGN_POST"; // Save with a backwards-compatible name
-			}
-			getRegion().setSetting("general.signs." + key + ".signType", signType);
+			getRegion().setSetting("general.signs." + key + ".signType", block.getType().name());
 		}
 		if(!regionConfig.isString("general.signs." + key + ".facing")) {
-			getRegion().setSetting("general.signs." + key + ".facing", signData.getFacing().toString());
+			BlockFace signFacing = SignUtils.getSignFacing(block);
+			getRegion().setSetting("general.signs." + key + ".facing", signFacing == null ? null : signFacing.toString());
 		}
 
 		// Apply replacements and color and then set it on the sign
+		Sign signState = (Sign) PaperLib.getBlockState(block, false).getState();
 		for(int i = 0; i < signLines.length; i++) {
 			if(signLines[i] == null) {
 				signState.setLine(i, "");
@@ -192,7 +223,7 @@ public class RegionSign {
 			signLines[i] = Utils.applyColors(signLines[i]);
 			signState.setLine(i, signLines[i]);
 		}
-		signState.update();
+		signState.update(false, false);
 		return true;
 	}
 
@@ -205,11 +236,16 @@ public class RegionSign {
 		if(signConfig == null || !signConfig.isSet(getRegion().getState().getValue().toLowerCase())) {
 			return false;
 		}
+
 		ConfigurationSection stateConfig = signConfig.getConfigurationSection(getRegion().getState().getValue().toLowerCase());
+		if(stateConfig == null) {
+			return false;
+		}
+
 		// Check the lines for the timeleft tag
 		for(int i = 1; i <= 4; i++) {
 			String line = stateConfig.getString("line" + i);
-			if(line != null && !line.isEmpty() && line.contains(Message.VARIABLE_START + AreaShop.tagTimeLeft + Message.VARIABLE_END)) {
+			if(line != null && line.contains(Message.VARIABLE_START + AreaShop.tagTimeLeft + Message.VARIABLE_END)) {
 				return true;
 			}
 		}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignCache.java

@@ -0,0 +1,83 @@
+package me.wiefferink.areashop.features.signs;
+
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import io.github.bakedlibs.dough.blocks.ChunkPosition;
+import org.bukkit.Location;
+import org.bukkit.World;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+
+public class SignCache {
+
+    private final Map<Long, RegionSign> allSigns = new HashMap<>();
+    private final Map<Long, Collection<RegionSign>> signsByChunk = new HashMap<>();
+
+    public Optional<RegionSign> signAtLocation(long position) {
+        return Optional.ofNullable(this.allSigns.get(position));
+    }
+
+    public Collection<RegionSign> signsAtChunk(long position) {
+        return Collections.unmodifiableCollection(this.signsByChunk.getOrDefault(position, Collections.emptyList()));
+    }
+
+    public Collection<RegionSign> allSigns() {
+        return Collections.unmodifiableCollection(this.allSigns.values());
+    }
+
+    public Collection<BlockPosition> allSignLocations() {
+        Collection<BlockPosition> positions = new ArrayList<>(this.signsByChunk.size());
+        for (RegionSign sign : this.allSigns.values()) {
+            positions.add(sign.getPosition());
+        }
+        return positions;
+    }
+
+    public void addSign(RegionSign regionSign) {
+        BlockPosition blockPosition = regionSign.getPosition();
+        this.allSigns.put(blockPosition.getPosition(), regionSign);
+        ChunkPosition chunkPosition = new ChunkPosition(blockPosition.getChunk());
+        Collection<RegionSign> signs = this.signsByChunk.computeIfAbsent(chunkPosition.getPosition(), x -> new HashSet<>());
+        signs.add(regionSign);
+    }
+
+    public Optional<RegionSign> removeSign(Location location) {
+        return removeSign(new BlockPosition(location));
+    }
+
+    public Optional<RegionSign> removeSign(BlockPosition position) {
+        RegionSign removed = this.allSigns.remove(position.getPosition());
+        if (removed != null) {
+            World world = position.getWorld();
+            ChunkPosition chunkPosition = new ChunkPosition(world, position.getChunkX(), position.getChunkZ());
+            this.signsByChunk.remove(chunkPosition.getPosition());
+            // Remove the sign from the region
+        }
+        return Optional.ofNullable(removed);
+    }
+
+    public void removeSign(RegionSign regionSign) {
+        BlockPosition blockPosition = regionSign.getPosition();
+        this.allSigns.remove(blockPosition.getPosition());
+        ChunkPosition chunkPosition = new ChunkPosition(blockPosition.getChunk());
+        long packedChunkPos = chunkPosition.getPosition();
+        Collection<RegionSign> signs = this.signsByChunk.get(packedChunkPos);
+        if (signs != null) {
+            signs.remove(regionSign);
+            if (signs.isEmpty()) {
+                this.signsByChunk.remove(packedChunkPos);
+            }
+        }
+    }
+
+    public void clear() {
+        this.allSigns.clear();
+        this.signsByChunk.clear();
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignFactory.java

@@ -0,0 +1,10 @@
+package me.wiefferink.areashop.features.signs;
+
+
+import javax.annotation.Nonnull;
+
+public interface SignFactory {
+
+    @Nonnull RegionSign createRegionSign(@Nonnull SignsFeature signsFeature, @Nonnull String key);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignListener.java

@@ -0,0 +1,449 @@
+package me.wiefferink.areashop.features.signs;
+
+import com.sk89q.worldguard.protection.managers.RegionManager;
+import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import io.github.bakedlibs.dough.blocks.ChunkPosition;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+import me.wiefferink.areashop.platform.adapter.BlockBehaviourHelper;
+import me.wiefferink.areashop.regions.BuyRegion;
+import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionFactory;
+import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
+import me.wiefferink.areashop.tools.Utils;
+import me.wiefferink.bukkitdo.Do;
+import org.bukkit.Chunk;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.event.block.BlockPhysicsEvent;
+import org.bukkit.event.block.SignChangeEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.world.ChunkLoadEvent;
+
+import javax.annotation.Nonnull;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+
+public class SignListener implements Listener {
+
+    private final BlockBehaviourHelper behaviourHelper;
+    private final AreaShop plugin;
+    private final MessageBridge messageBridge;
+    private final SignManager signManager;
+    private final SignLinkerManager signLinkerManager;
+    private final WorldGuardInterface worldGuardInterface;
+    private final RegionFactory regionFactory;
+    private final IFileManager fileManager;
+
+    public SignListener(
+                        @Nonnull AreaShop plugin,
+                        @Nonnull BlockBehaviourHelper behaviourHelper,
+                        @Nonnull RegionFactory regionFactory,
+                        @Nonnull MessageBridge messageBridge,
+                        @Nonnull SignLinkerManager signLinkerManager,
+                        @Nonnull WorldGuardInterface worldGuardInterface,
+                        @Nonnull SignManager signManager,
+                        @Nonnull IFileManager fileManager) {
+        this.fileManager = fileManager;
+        this.signManager = signManager;
+        this.signLinkerManager = signLinkerManager;
+        this.regionFactory = regionFactory;
+        this.behaviourHelper = behaviourHelper;
+        this.plugin = plugin;
+        this.worldGuardInterface = worldGuardInterface;
+        this.messageBridge = messageBridge;
+    }
+
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.MONITOR)
+    public void regionUpdate(UpdateRegionEvent event) {
+        SignsFeature signsFeature = event.getRegion().getSignsFeature();
+        signsFeature.signManager().update();
+    }
+
+
+    @EventHandler(priority = EventPriority.MONITOR)
+    public void onChunkLoad(ChunkLoadEvent event) {
+        Chunk chunk = event.getChunk();
+        Optional<SignCache> optional = this.signManager.getCacheForWorld(chunk.getWorld());
+        if (optional.isEmpty()) {
+            return;
+        }
+        final SignCache signCache = optional.get();
+        Collection<RegionSign> chunkSigns = new ArrayList<>(signCache.signsAtChunk(ChunkPosition.getAsLong(chunk.getX(), chunk.getZ())));
+        if(chunkSigns.isEmpty()) {
+            return;
+        }
+        Do.forAll(chunkSigns, RegionSign::update);
+    }
+
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void onIndirectSignBreak(BlockPhysicsEvent event) {
+        // Check if the block is a sign
+        if(!Materials.isSign(event.getBlock().getType()) || behaviourHelper.isBlockValid(event.getBlock())) {
+            return;
+        }
+
+        // Check if the sign is really the same as a saved rent
+        final Optional<RegionSign> optionalSign = this.signManager.signFromLocation(event.getBlock().getLocation());
+        if(optionalSign.isEmpty()) {
+            return;
+        }
+        RegionSign regionSign = optionalSign.get();
+
+        // Remove the sign so that it does not fall on the floor as an item (next region update will place it back when possible)
+        AreaShop.debug("onIndirectSignBreak: Removed block of sign for", regionSign.getRegion().getName(), "at", regionSign.getStringLocation());
+        event.getBlock().setType(Material.AIR);
+        event.setCancelled(true);
+    }
+
+
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void onSignBreak(BlockBreakEvent event) {
+        if(event.isCancelled()) {
+            return;
+        }
+        Block block = event.getBlock();
+        // Check if it is a sign
+        if(Materials.isSign(block.getType())) {
+            // Check if the rent sign is really the same as a saved rent
+            Optional<RegionSign> optional = signManager.signFromLocation(block.getLocation());
+            if(optional.isEmpty()) {
+                return;
+            }
+            RegionSign regionSign = optional.get();
+            // Remove the sign of the rental region if the player has permission
+            if(event.getPlayer().hasPermission("areashop.delsign")) {
+                signManager.removeSign(regionSign);
+                messageBridge.message(event.getPlayer(), "delsign-success", regionSign.getRegion());
+            } else { // Cancel the breaking of the sign
+                event.setCancelled(true);
+                messageBridge.message(event.getPlayer(), "delsign-noPermission", regionSign.getRegion());
+            }
+        }
+    }
+
+    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    public void onSignClick(PlayerInteractEvent event) {
+        Block block = event.getClickedBlock();
+        if (block == null) {
+            return;
+        }
+
+        // Only listen to left and right clicks on blocks
+        if (!(event.getAction() == Action.RIGHT_CLICK_BLOCK || event.getAction() == Action.LEFT_CLICK_BLOCK)) {
+            return;
+        }
+
+        // Only care about clicking blocks
+        if(!Materials.isSign(block.getType())) {
+            return;
+        }
+
+        // Check if this sign belongs to a region
+        Optional<RegionSign> optional = signManager.signFromLocation(block.getLocation());
+        if(optional.isEmpty()) {
+            return;
+        }
+        RegionSign regionSign = optional.get();
+
+        // Ignore players that are in sign link mode (which will handle the event itself)
+        Player player = event.getPlayer();
+        if(signLinkerManager.isInSignLinkMode(player)) {
+            return;
+        }
+
+        // Get the clicktype
+        GeneralRegion.ClickType clickType = null;
+        if(player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.SHIFTLEFTCLICK;
+        } else if(!player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.LEFTCLICK;
+        } else if(player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.SHIFTRIGHTCLICK;
+        } else if(!player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
+            clickType = GeneralRegion.ClickType.RIGHTCLICK;
+        }
+
+        boolean ran = regionSign.runSignCommands(player, clickType);
+
+        // Only cancel event if at least one command has been executed
+        event.setCancelled(ran);
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onSignChange(SignChangeEvent event) {
+        Player player = event.getPlayer();
+        if(!plugin.isReady()) {
+            messageBridge.message(player, "general-notReady");
+            return;
+        }
+        // Check if the sign is meant for this plugin
+        if(event.getLine(0).contains(plugin.getConfig().getString("signTags.rent"))) {
+            if(!player.hasPermission("areashop.createrent") && !player.hasPermission("areashop.createrent.member") && !player.hasPermission("areashop.createrent.owner")) {
+                messageBridge.message(player, "setup-noPermissionRent");
+                return;
+            }
+            // Get the other lines
+            String secondLine = event.getLine(1);
+            String thirdLine = event.getLine(2);
+            String fourthLine = event.getLine(3);
+
+            // Get the regionManager for accessing regions
+            RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
+
+            // If the secondLine does not contain a name try to find the region by location
+            if(secondLine == null || secondLine.isEmpty()) {
+                Set<ProtectedRegion> regions = worldGuardInterface.getApplicableRegionsSet(event.getBlock().getLocation());
+                if(regions != null) {
+                    boolean first = true;
+                    ProtectedRegion candidate = null;
+                    for(ProtectedRegion pr : regions) {
+                        if(first) {
+                            candidate = pr;
+                            first = false;
+                        } else {
+                            if(pr.getPriority() > candidate.getPriority()) {
+                                candidate = pr;
+                            } else if(pr.getParent() != null && pr.getParent().equals(candidate)) {
+                                candidate = pr;
+                            } else {
+                                messageBridge.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
+                                return;
+                            }
+                        }
+                    }
+                    if(candidate != null) {
+                        secondLine = candidate.getId();
+                    }
+                }
+            }
+
+            boolean priceSet = fourthLine != null && !fourthLine.isEmpty();
+            boolean durationSet = thirdLine != null && !thirdLine.isEmpty();
+            // check if all the lines are correct
+            if(secondLine == null || secondLine.isEmpty()) {
+                messageBridge.message(player, "setup-noRegion");
+                return;
+            }
+            ProtectedRegion region = regionManager.getRegion(secondLine);
+            if(region == null) {
+                messageBridge.message(player, "cmd-noRegion", secondLine);
+                return;
+            }
+
+            IFileManager.AddResult addResult = fileManager.checkRegionAdd(player, regionManager.getRegion(secondLine), event.getPlayer().getWorld(), GeneralRegion.RegionType.RENT);
+            if(addResult == IFileManager.AddResult.BLACKLISTED) {
+                messageBridge.message(player, "setup-blacklisted", secondLine);
+            } else if(addResult == IFileManager.AddResult.ALREADYADDED) {
+                messageBridge.message(player, "setup-alreadyRentSign");
+            } else if(addResult == IFileManager.AddResult.ALREADYADDEDOTHERWORLD) {
+                messageBridge.message(player, "setup-alreadyOtherWorld");
+            } else if(addResult == IFileManager.AddResult.NOPERMISSION) {
+                messageBridge.message(player, "setup-noPermission", secondLine);
+            } else if(thirdLine != null && !thirdLine.isEmpty() && !Utils.checkTimeFormat(thirdLine)) {
+                messageBridge.message(player, "setup-wrongDuration");
+            } else {
+                double price = 0.0;
+                if(priceSet) {
+                    // Check the fourth line
+                    try {
+                        price = Double.parseDouble(fourthLine);
+                    } catch(NumberFormatException e) {
+                        messageBridge.message(player, "setup-wrongPrice");
+                        return;
+                    }
+                }
+
+                // Add rent to the FileManager
+                final RentRegion rent = regionFactory.createRentRegion(secondLine, event.getPlayer().getWorld());
+                boolean isMember = worldGuardInterface.containsMember(rent.getRegion(), player.getUniqueId());
+                boolean isOwner = worldGuardInterface.containsOwner(rent.getRegion(), player.getUniqueId());
+                boolean landlord = (!player.hasPermission("areashop.createrent")
+                        && ((player.hasPermission("areashop.createrent.owner") && isOwner)
+                        || (player.hasPermission("areashop.createrent.member") && isMember)));
+
+                if(landlord) {
+                    rent.setLandlord(player.getUniqueId(), player.getName());
+                }
+                if(priceSet) {
+                    rent.setPrice(price);
+                }
+                if(durationSet) {
+                    rent.setDuration(thirdLine);
+                }
+                rent.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), null);
+
+                AddingRegionEvent addingRegionEvent = plugin.getFileManager().addRegion(rent);
+                if (addingRegionEvent.isCancelled()) {
+                    messageBridge.message(player, "general-cancelled", addingRegionEvent.getReason());
+                    return;
+                }
+
+                rent.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
+                messageBridge.message(player, "setup-rentSuccess", rent);
+                // Update the region after the event has written its lines
+                Do.sync(rent::update);
+            }
+        } else if(event.getLine(0).contains(plugin.getConfig().getString("signTags.buy"))) {
+            // Check for permission
+            if(!player.hasPermission("areashop.createbuy") && !player.hasPermission("areashop.createbuy.member") && !player.hasPermission("areashop.createbuy.owner")) {
+                messageBridge.message(player, "setup-noPermissionBuy");
+                return;
+            }
+
+            // Get the other lines
+            String secondLine = event.getLine(1);
+            String thirdLine = event.getLine(2);
+
+            // Get the regionManager for accessing regions
+            RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
+
+            // If the secondLine does not contain a name try to find the region by location
+            if(secondLine == null || secondLine.isEmpty()) {
+                Set<ProtectedRegion> regions = worldGuardInterface.getApplicableRegionsSet(event.getBlock().getLocation());
+                if(regions != null) {
+                    boolean first = true;
+                    ProtectedRegion candidate = null;
+                    for(ProtectedRegion pr : regions) {
+                        if(first) {
+                            candidate = pr;
+                            first = false;
+                        } else {
+                            if(pr.getPriority() > candidate.getPriority()) {
+                                candidate = pr;
+                            } else if(pr.getParent() != null && pr.getParent().equals(candidate)) {
+                                candidate = pr;
+                            } else {
+                                messageBridge.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
+                                return;
+                            }
+                        }
+                    }
+                    if(candidate != null) {
+                        secondLine = candidate.getId();
+                    }
+                }
+            }
+
+            boolean priceSet = thirdLine != null && !thirdLine.isEmpty();
+            // Check if all the lines are correct
+            if(secondLine == null || secondLine.isEmpty()) {
+                messageBridge.message(player, "setup-noRegion");
+                return;
+            }
+            ProtectedRegion region = regionManager.getRegion(secondLine);
+            if(region == null) {
+                messageBridge.message(player, "cmd-noRegion", secondLine);
+                return;
+            }
+            IFileManager.AddResult addResult = plugin.getFileManager().checkRegionAdd(player, region, event.getPlayer().getWorld(), GeneralRegion.RegionType.BUY);
+            if(addResult == IFileManager.AddResult.BLACKLISTED) {
+                messageBridge.message(player, "setup-blacklisted", secondLine);
+            } else if(addResult == IFileManager.AddResult.ALREADYADDED) {
+                messageBridge.message(player, "setup-alreadyRentSign");
+            } else if(addResult == IFileManager.AddResult.ALREADYADDEDOTHERWORLD) {
+                messageBridge.message(player, "setup-alreadyOtherWorld");
+            } else if(addResult == IFileManager.AddResult.NOPERMISSION) {
+                messageBridge.message(player, "setup-noPermission", secondLine);
+            } else {
+                double price = 0.0;
+                if(priceSet) {
+                    // Check the fourth line
+                    try {
+                        price = Double.parseDouble(thirdLine);
+                    } catch(NumberFormatException e) {
+                        messageBridge.message(player, "setup-wrongPrice");
+                        return;
+                    }
+                }
+
+                // Add buy to the FileManager
+                final BuyRegion buy = regionFactory.createBuyRegion(secondLine, event.getPlayer().getWorld());
+                boolean isMember = worldGuardInterface.containsMember(buy.getRegion(), player.getUniqueId());
+                boolean isOwner = worldGuardInterface.containsOwner(buy.getRegion(), player.getUniqueId());
+                boolean landlord = (!player.hasPermission("areashop.createbuy")
+                        && ((player.hasPermission("areashop.createbuy.owner") && isOwner)
+                        || (player.hasPermission("areashop.createbuy.member") && isMember)));
+
+                if(landlord) {
+                    buy.setLandlord(player.getUniqueId(), player.getName());
+                }
+                if(priceSet) {
+                    buy.setPrice(price);
+                }
+                buy.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), null);
+
+                AddingRegionEvent addingRegionEvent = plugin.getFileManager().addRegion(buy);
+                if (addingRegionEvent.isCancelled()) {
+                    messageBridge.message(player, "general-cancelled", addingRegionEvent.getReason());
+                    return;
+                }
+
+                buy.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
+                messageBridge.message(player, "setup-buySuccess", buy);
+                // Update the region after the event has written its lines
+                Do.sync(buy::update);
+            }
+        } else if(event.getLine(0).contains(plugin.getConfig().getString("signTags.add"))) {
+            // Check for permission
+            if(!player.hasPermission("areashop.addsign")) {
+                messageBridge.message(player, "addsign-noPermission");
+                return;
+            }
+
+            // Get the other lines
+            String secondLine = event.getLine(1);
+            String thirdLine = event.getLine(2);
+
+            GeneralRegion region;
+            if(secondLine != null && !secondLine.isEmpty()) {
+                // Get region by secondLine of the sign
+                region = fileManager.getRegion(secondLine);
+                if(region == null) {
+                    messageBridge.message(player, "addSign-notRegistered", secondLine);
+                    return;
+                }
+            } else {
+                // Get region by sign position
+                List<GeneralRegion> regions = Utils.getImportantRegions(event.getBlock().getLocation());
+                if(regions.isEmpty()) {
+                    messageBridge.message(player, "addsign-noRegions");
+                    return;
+                } else if(regions.size() > 1) {
+                    messageBridge.message(player, "addsign-couldNotDetectSign", regions.get(0).getName(), regions.get(1).getName());
+                    return;
+                }
+                region = regions.get(0);
+            }
+
+            if(thirdLine == null || thirdLine.isEmpty()) {
+                region.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), null);
+                messageBridge.message(player, "addsign-success", region);
+            } else {
+                region.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), SignUtils.getSignFacing(event.getBlock()), thirdLine);
+                messageBridge.message(player, "addsign-successProfile", thirdLine, region);
+            }
+
+            // Update the region later because this event will do it first
+            Do.sync(region::update);
+        }
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignManager.java

@@ -0,0 +1,115 @@
+package me.wiefferink.areashop.features.signs;
+
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.managers.Manager;
+import org.bukkit.Location;
+import org.bukkit.World;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+public class SignManager extends Manager {
+
+    private final Map<World, SignCache> signCacheMap = new HashMap<>();
+
+    public Collection<BlockPosition> allSignLocations() {
+        final Set<BlockPosition> set = new HashSet<>(signCacheMap.size());
+        for (SignCache signCache : signCacheMap.values()) {
+            set.addAll(signCache.allSignLocations());
+        }
+        return set;
+    }
+
+    public Collection<RegionSign> allSigns() {
+        final Set<RegionSign> signs = new HashSet<>(signCacheMap.size());
+        for (SignCache signCache : signCacheMap.values()) {
+            signs.addAll(signCache.allSigns());
+        }
+        return signs;
+    }
+
+    public SignCache cacheForWorld(World world) {
+        return this.signCacheMap.computeIfAbsent(world, x -> new SignCache());
+    }
+
+    public Optional<SignCache> getCacheForWorld(World world) {
+        return Optional.ofNullable(this.signCacheMap.get(world));
+    }
+
+    public Optional<RegionSign> signFromLocation(Location location) {
+        final World world = location.getWorld();
+        return getCacheForWorld(world)
+                .flatMap(cache -> cache.signAtLocation(BlockPosition.getAsLong(location)));
+    }
+
+    public void addSign(RegionSign regionSign) {
+        Location location = regionSign.getLocation();
+        cacheForWorld(location.getWorld()).addSign(regionSign);
+    }
+
+    public void removeSign(RegionSign regionSign) {
+        Location location = regionSign.getLocation();
+        if (location.getWorld() == null) {
+            return;
+        }
+        cacheForWorld(location.getWorld()).removeSign(regionSign);
+    }
+
+    public Optional<RegionSign> removeSign(Location location) {
+        if (location == null || location.getWorld() == null) {
+            return Optional.empty();
+        }
+        return removeSign(new BlockPosition(location));
+    }
+
+    public Optional<RegionSign> removeSign(BlockPosition blockPosition) {
+        return getCacheForWorld(blockPosition.getWorld()).flatMap(cache -> cache.removeSign(blockPosition));
+    }
+
+    /**
+     * Update all signs connected to this region.
+     * @return true if all signs are updated correctly, false if one or more updates failed
+     */
+    public boolean update() {
+        boolean result = true;
+        for (SignCache signCache : this.signCacheMap.values()) {
+            for (RegionSign sign : signCache.allSigns()) {
+                result &= sign.update();
+            }
+        }
+        return result;
+    }
+
+    /**
+     * Check if any of the signs need periodic updating.
+     * @return true if one or more of the signs need periodic updating, otherwise false
+     */
+    public boolean needsPeriodicUpdate() {
+        boolean result = false;
+        for (SignCache signCache : this.signCacheMap.values()) {
+            for (RegionSign sign : signCache.allSigns()) {
+                if (result) {
+                    break;
+                }
+                if (sign.needsPeriodicUpdate()) {
+                    result = true;
+                    break;
+                }
+            }
+        }
+        return result;
+    }
+
+
+    public void shutdown() {
+        update();
+        this.signCacheMap.values().forEach(SignCache::clear);
+        this.signCacheMap.clear();
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignsFeature.java

@@ -1,443 +1,55 @@
 package me.wiefferink.areashop.features.signs;
 
-import com.sk89q.worldguard.protection.managers.RegionManager;
-import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import io.github.bakedlibs.dough.blocks.BlockPosition;
+import io.github.bakedlibs.dough.blocks.ChunkPosition;
 import me.wiefferink.areashop.AreaShop;
-import me.wiefferink.areashop.events.notify.UpdateRegionEvent;
 import me.wiefferink.areashop.features.RegionFeature;
-import me.wiefferink.areashop.managers.FileManager;
-import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
-import me.wiefferink.areashop.regions.RentRegion;
-import me.wiefferink.areashop.tools.Materials;
 import me.wiefferink.areashop.tools.Utils;
-import me.wiefferink.bukkitdo.Do;
-import org.bukkit.Chunk;
 import org.bukkit.Location;
 import org.bukkit.Material;
-import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.configuration.ConfigurationSection;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
-import org.bukkit.event.block.Action;
-import org.bukkit.event.block.BlockBreakEvent;
-import org.bukkit.event.block.BlockPhysicsEvent;
-import org.bukkit.event.block.SignChangeEvent;
-import org.bukkit.event.player.PlayerInteractEvent;
-import org.bukkit.event.world.ChunkLoadEvent;
-import org.bukkit.material.Sign;
 
-import java.util.ArrayList;
-import java.util.Collections;
+import javax.annotation.Nonnull;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
-import java.util.Set;
 
 public class SignsFeature extends RegionFeature {
 
-	private static final Map<String, RegionSign> allSigns = Collections.synchronizedMap(new HashMap<>());
-	private static final Map<String, List<RegionSign>> signsByChunk = Collections.synchronizedMap(new HashMap<>());
-
-	private Map<String, RegionSign> signs;
-
-	public SignsFeature() {
-
-	}
-
+	private final SignManager internalSignManager = new SignManager();
+	private final SignManager globalSignManager;
+	private final SignFactory signFactory;
 	/**
 	 * Constructor.
 	 * @param region The region to bind to
 	 */
-	public SignsFeature(GeneralRegion region) {
+	@AssistedInject
+	SignsFeature(@Nonnull AreaShop plugin,
+						@Nonnull SignManager signManager,
+						@Nonnull SignFactory signFactory,
+						@Assisted @Nonnull GeneralRegion region
+	) {
+		super(plugin);
+		this.globalSignManager = signManager;
+		this.signFactory = signFactory;
 		setRegion(region);
-		signs = new HashMap<>();
 		// Setup current signs
 		ConfigurationSection signSection = region.getConfig().getConfigurationSection("general.signs");
-		if(signSection != null) {
-			for(String signKey : signSection.getKeys(false)) {
-				RegionSign sign = new RegionSign(this, signKey);
-				Location location = sign.getLocation();
-				if(location == null) {
-					AreaShop.warn("Sign with key " + signKey + " of region " + region.getName() + " does not have a proper location");
-					continue;
-				}
-				signs.put(sign.getStringLocation(), sign);
-				signsByChunk.computeIfAbsent(sign.getStringChunk(), key -> new ArrayList<>())
-						.add(sign);
-			}
-			allSigns.putAll(signs);
-		}
-	}
-
-	@Override
-	public void shutdown() {
-		// Deregister signs from the registry
-		if(signs != null) {
-			for(Map.Entry<String, RegionSign> entry : signs.entrySet()) {
-				allSigns.remove(entry.getKey());
-				signsByChunk.get(entry.getValue().getStringChunk()).remove(entry.getValue());
-			}
-		}
-	}
-
-	@EventHandler(priority = EventPriority.HIGH)
-	public void onSignBreak(BlockBreakEvent event) {
-		if(event.isCancelled()) {
+		if (signSection == null) {
 			return;
 		}
-		Block block = event.getBlock();
-		// Check if it is a sign
-		if(Materials.isSign(block.getType())) {
-			// Check if the rent sign is really the same as a saved rent
-			RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-			if(regionSign == null) {
-				return;
+		for(String signKey : signSection.getKeys(false)) {
+			RegionSign sign = signFactory.createRegionSign(this, signKey);
+			Location location = sign.getLocation();
+			if(location == null) {
+				AreaShop.warn("Sign with key " + signKey + " of region " + region.getName() + " does not have a proper location");
+				continue;
 			}
-			// Remove the sign of the rental region if the player has permission
-			if(event.getPlayer().hasPermission("areashop.delsign")) {
-				regionSign.remove();
-				plugin.message(event.getPlayer(), "delsign-success", regionSign.getRegion());
-			} else { // Cancel the breaking of the sign
-				event.setCancelled(true);
-				plugin.message(event.getPlayer(), "delsign-noPermission", regionSign.getRegion());
-			}
-		}
-	}
-
-	@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
-	public void onIndirectSignBreak(BlockPhysicsEvent event) {
-		// Check if the block is a sign
-		if(!Materials.isSign(event.getBlock().getType())) {
-			return;
-		}
-
-		// Check if still attached to a block
-		Block b = event.getBlock();
-		Sign s = (Sign) b.getState().getData();
-		Block attachedBlock = b.getRelative(s.getAttachedFace());
-		if (attachedBlock.getType() != Material.AIR) {
-			return;
-		}
-
-		// Check if the rent sign is really the same as a saved rent
-		RegionSign regionSign = SignsFeature.getSignByLocation(event.getBlock().getLocation());
-		if(regionSign == null) {
-			return;
-		}
-
-		// Remove the sign so that it does not fall on the floor as an item (next region update will place it back)
-		AreaShop.debug("onIndirectSignBreak: Removed block of sign for", regionSign.getRegion().getName(), "at", regionSign.getStringLocation());
-		event.getBlock().setType(Material.AIR);
-		event.setCancelled(true);
-	}
-
-	@EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
-	public void onSignClick(PlayerInteractEvent event) {
-		Block block = event.getClickedBlock();
-		// Check for clicking a sign and rightclicking
-		if((event.getAction() == Action.RIGHT_CLICK_BLOCK || event.getAction() == Action.LEFT_CLICK_BLOCK)
-				&& Materials.isSign(block.getType())) {
-			// Check if the rent sign is really the same as a saved rent
-			RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-			if(regionSign == null) {
-				return;
-			}
-			Player player = event.getPlayer();
-			if(plugin.getSignlinkerManager().isInSignLinkMode(player)) {
-				return;
-			}
-			// Get the clicktype
-			GeneralRegion.ClickType clickType = null;
-			if(player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
-				clickType = GeneralRegion.ClickType.SHIFTLEFTCLICK;
-			} else if(!player.isSneaking() && event.getAction() == Action.LEFT_CLICK_BLOCK) {
-				clickType = GeneralRegion.ClickType.LEFTCLICK;
-			} else if(player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
-				clickType = GeneralRegion.ClickType.SHIFTRIGHTCLICK;
-			} else if(!player.isSneaking() && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
-				clickType = GeneralRegion.ClickType.RIGHTCLICK;
-			}
-			// Run the commands
-			boolean ran = regionSign.runSignCommands(player, clickType);
-			// Only cancel event if at least one command has been executed
-			event.setCancelled(ran);
-		}
-	}
-
-	@EventHandler(priority = EventPriority.MONITOR)
-	public void onSignChange(SignChangeEvent event) {
-		if(event.isCancelled()) {
-			return;
-		}
-		Player player = event.getPlayer();
-		if(!plugin.isReady()) {
-			plugin.message(player, "general-notReady");
-			return;
-		}
-
-		// Check if the sign is meant for this plugin
-		if(event.getLine(0).contains(plugin.getConfig().getString("signTags.rent"))) {
-			if(!player.hasPermission("areashop.createrent") && !player.hasPermission("areashop.createrent.member") && !player.hasPermission("areashop.createrent.owner")) {
-				plugin.message(player, "setup-noPermissionRent");
-				return;
-			}
-
-			// Get the other lines
-			String secondLine = event.getLine(1);
-			String thirdLine = event.getLine(2);
-			String fourthLine = event.getLine(3);
-
-			// Get the regionManager for accessing regions
-			RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
-
-			// If the secondLine does not contain a name try to find the region by location
-			if(secondLine == null || secondLine.length() == 0) {
-				Set<ProtectedRegion> regions = plugin.getWorldGuardHandler().getApplicableRegionsSet(event.getBlock().getLocation());
-				if(regions != null) {
-					boolean first = true;
-					ProtectedRegion candidate = null;
-					for(ProtectedRegion pr : regions) {
-						if(first) {
-							candidate = pr;
-							first = false;
-						} else {
-							if(pr.getPriority() > candidate.getPriority()) {
-								candidate = pr;
-							} else if(pr.getPriority() < candidate.getPriority()) {
-								// Already got the correct one
-							} else if(pr.getParent() != null && pr.getParent().equals(candidate)) {
-								candidate = pr;
-							} else if(candidate.getParent() != null && candidate.getParent().equals(pr)) {
-								// Already got the correct one
-							} else {
-								plugin.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
-								return;
-							}
-						}
-					}
-					if(candidate != null) {
-						secondLine = candidate.getId();
-					}
-				}
-			}
-
-			boolean priceSet = fourthLine != null && fourthLine.length() != 0;
-			boolean durationSet = thirdLine != null && thirdLine.length() != 0;
-			// check if all the lines are correct
-			if(secondLine == null || secondLine.length() == 0) {
-				plugin.message(player, "setup-noRegion");
-				return;
-			}
-			ProtectedRegion region = regionManager.getRegion(secondLine);
-			if(region == null) {
-				plugin.message(player, "cmd-noRegion", secondLine);
-				return;
-			}
-
-			FileManager.AddResult addResult = plugin.getFileManager().checkRegionAdd(player, regionManager.getRegion(secondLine), event.getPlayer().getWorld(), GeneralRegion.RegionType.RENT);
-			if(addResult == FileManager.AddResult.BLACKLISTED) {
-				plugin.message(player, "setup-blacklisted", secondLine);
-			} else if(addResult == FileManager.AddResult.ALREADYADDED) {
-				plugin.message(player, "setup-alreadyRentSign");
-			} else if(addResult == FileManager.AddResult.ALREADYADDEDOTHERWORLD) {
-				plugin.message(player, "setup-alreadyOtherWorld");
-			} else if(addResult == FileManager.AddResult.NOPERMISSION) {
-				plugin.message(player, "setup-noPermission", secondLine);
-			} else if(thirdLine != null && thirdLine.length() != 0 && !Utils.checkTimeFormat(thirdLine)) {
-				plugin.message(player, "setup-wrongDuration");
-			} else {
-				double price = 0.0;
-				if(priceSet) {
-					// Check the fourth line
-					try {
-						price = Double.parseDouble(fourthLine);
-					} catch(NumberFormatException e) {
-						plugin.message(player, "setup-wrongPrice");
-						return;
-					}
-				}
-
-				// Add rent to the FileManager
-				final RentRegion rent = new RentRegion(secondLine, event.getPlayer().getWorld());
-				boolean isMember = plugin.getWorldGuardHandler().containsMember(rent.getRegion(), player.getUniqueId());
-				boolean isOwner = plugin.getWorldGuardHandler().containsOwner(rent.getRegion(), player.getUniqueId());
-				boolean landlord = (!player.hasPermission("areashop.createrent")
-						&& ((player.hasPermission("areashop.createrent.owner") && isOwner)
-						|| (player.hasPermission("areashop.createrent.member") && isMember)));
-
-				if(landlord) {
-					rent.setLandlord(player.getUniqueId(), player.getName());
-				}
-				if(priceSet) {
-					rent.setPrice(price);
-				}
-				if(durationSet) {
-					rent.setDuration(thirdLine);
-				}
-				org.bukkit.material.Sign sign = (org.bukkit.material.Sign)event.getBlock().getState().getData();
-				rent.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), sign.getFacing(), null);
-
-				// Run commands
-				rent.runEventCommands(GeneralRegion.RegionEvent.CREATED, true);
-
-				plugin.getFileManager().addRent(rent);
-				rent.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-				plugin.message(player, "setup-rentSuccess", rent);
-				// Update the region after the event has written its lines
-				Do.sync(rent::update);
-				// Run commands
-				rent.runEventCommands(GeneralRegion.RegionEvent.CREATED, false);
-			}
-		} else if(event.getLine(0).contains(plugin.getConfig().getString("signTags.buy"))) {
-			// Check for permission
-			if(!player.hasPermission("areashop.createbuy") && !player.hasPermission("areashop.createbuy.member") && !player.hasPermission("areashop.createbuy.owner")) {
-				plugin.message(player, "setup-noPermissionBuy");
-				return;
-			}
-
-			// Get the other lines
-			String secondLine = event.getLine(1);
-			String thirdLine = event.getLine(2);
-
-			// Get the regionManager for accessing regions
-			RegionManager regionManager = plugin.getRegionManager(event.getPlayer().getWorld());
-
-			// If the secondLine does not contain a name try to find the region by location
-			if(secondLine == null || secondLine.length() == 0) {
-				Set<ProtectedRegion> regions = plugin.getWorldGuardHandler().getApplicableRegionsSet(event.getBlock().getLocation());
-				if(regions != null) {
-					boolean first = true;
-					ProtectedRegion candidate = null;
-					for(ProtectedRegion pr : regions) {
-						if(first) {
-							candidate = pr;
-							first = false;
-						} else {
-							if(pr.getPriority() > candidate.getPriority()) {
-								candidate = pr;
-							} else if(pr.getPriority() < candidate.getPriority()) {
-								// Already got the correct one
-							} else if(pr.getParent() != null && pr.getParent().equals(candidate)) {
-								candidate = pr;
-							} else if(candidate.getParent() != null && candidate.getParent().equals(pr)) {
-								// Already got the correct one
-							} else {
-								plugin.message(player, "setup-couldNotDetect", candidate.getId(), pr.getId());
-								return;
-							}
-						}
-					}
-					if(candidate != null) {
-						secondLine = candidate.getId();
-					}
-				}
-			}
-
-			boolean priceSet = thirdLine != null && thirdLine.length() != 0;
-			// Check if all the lines are correct
-			if(secondLine == null || secondLine.length() == 0) {
-				plugin.message(player, "setup-noRegion");
-				return;
-			}
-			ProtectedRegion region = regionManager.getRegion(secondLine);
-			if(region == null) {
-				plugin.message(player, "cmd-noRegion", secondLine);
-				return;
-			}
-			FileManager.AddResult addResult = plugin.getFileManager().checkRegionAdd(player, region, event.getPlayer().getWorld(), GeneralRegion.RegionType.BUY);
-			if(addResult == FileManager.AddResult.BLACKLISTED) {
-				plugin.message(player, "setup-blacklisted", secondLine);
-			} else if(addResult == FileManager.AddResult.ALREADYADDED) {
-				plugin.message(player, "setup-alreadyRentSign");
-			} else if(addResult == FileManager.AddResult.ALREADYADDEDOTHERWORLD) {
-				plugin.message(player, "setup-alreadyOtherWorld");
-			} else if(addResult == FileManager.AddResult.NOPERMISSION) {
-				plugin.message(player, "setup-noPermission", secondLine);
-			} else {
-				double price = 0.0;
-				if(priceSet) {
-					// Check the fourth line
-					try {
-						price = Double.parseDouble(thirdLine);
-					} catch(NumberFormatException e) {
-						plugin.message(player, "setup-wrongPrice");
-						return;
-					}
-				}
-
-				// Add buy to the FileManager
-				final BuyRegion buy = new BuyRegion(secondLine, event.getPlayer().getWorld());
-				boolean isMember = plugin.getWorldGuardHandler().containsMember(buy.getRegion(), player.getUniqueId());
-				boolean isOwner = plugin.getWorldGuardHandler().containsOwner(buy.getRegion(), player.getUniqueId());
-				boolean landlord = (!player.hasPermission("areashop.createbuy")
-						&& ((player.hasPermission("areashop.createbuy.owner") && isOwner)
-						|| (player.hasPermission("areashop.createbuy.member") && isMember)));
-
-				if(landlord) {
-					buy.setLandlord(player.getUniqueId(), player.getName());
-				}
-				if(priceSet) {
-					buy.setPrice(price);
-				}
-				org.bukkit.material.Sign sign = (org.bukkit.material.Sign)event.getBlock().getState().getData();
-				buy.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), sign.getFacing(), null);
-				// Run commands
-				buy.runEventCommands(GeneralRegion.RegionEvent.CREATED, true);
-
-				plugin.getFileManager().addBuy(buy);
-				buy.handleSchematicEvent(GeneralRegion.RegionEvent.CREATED);
-				plugin.message(player, "setup-buySuccess", buy);
-				// Update the region after the event has written its lines
-				Do.sync(buy::update);
-
-				// Run commands
-				buy.runEventCommands(GeneralRegion.RegionEvent.CREATED, false);
-			}
-		} else if(event.getLine(0).contains(plugin.getConfig().getString("signTags.add"))) {
-			// Check for permission
-			if(!player.hasPermission("areashop.addsign")) {
-				plugin.message(player, "addsign-noPermission");
-				return;
-			}
-
-			// Get the other lines
-			String secondLine = event.getLine(1);
-			String thirdLine = event.getLine(2);
-
-			GeneralRegion region;
-			if(secondLine != null && secondLine.length() != 0) {
-				// Get region by secondLine of the sign
-				region = plugin.getFileManager().getRegion(secondLine);
-				if(region == null) {
-					plugin.message(player, "addSign-notRegistered", secondLine);
-					return;
-				}
-			} else {
-				// Get region by sign position
-				List<GeneralRegion> regions = Utils.getImportantRegions(event.getBlock().getLocation());
-				if(regions.isEmpty()) {
-					plugin.message(player, "addsign-noRegions");
-					return;
-				} else if(regions.size() > 1) {
-					plugin.message(player, "addsign-couldNotDetectSign", regions.get(0).getName(), regions.get(1).getName());
-					return;
-				}
-				region = regions.get(0);
-			}
-			org.bukkit.material.Sign sign = (org.bukkit.material.Sign)event.getBlock().getState().getData();
-			if(thirdLine == null || thirdLine.length() == 0) {
-				region.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), sign.getFacing(), null);
-				plugin.message(player, "addsign-success", region);
-			} else {
-				region.getSignsFeature().addSign(event.getBlock().getLocation(), event.getBlock().getType(), sign.getFacing(), thirdLine);
-				plugin.message(player, "addsign-successProfile", thirdLine, region);
-			}
-
-			// Update the region later because this event will do it first
-			Do.sync(region::update);
+			this.globalSignManager.cacheForWorld(location.getWorld()).addSign(sign);
+			this.internalSignManager.addSign(sign);
 		}
 	}
 
@@ -459,106 +71,13 @@ public class SignsFeature extends RegionFeature {
 		return location.getWorld().getName() + ";" + (location.getBlockX() >> 4) + ";" + (location.getBlockZ() >> 4);
 	}
 
-	/**
-	 * Convert a chunk to a string to use as map key.
-	 * Use a Location argument to prevent chunk loading!
-	 * @param chunk The location to get the key for
-	 * @return A string to use in a map for a chunk
-	 */
-	public static String chunkToString(Chunk chunk) {
-		return chunk.getWorld().getName() + ";" + chunk.getX() + ";" + chunk.getZ();
+	@Override
+	public void shutdown() {
+
 	}
 
-	/**
-	 * Get a sign by a location.
-	 * @param location The location to get the sign for
-	 * @return The RegionSign that is at the location, or null if none
-	 */
-	public static RegionSign getSignByLocation(Location location) {
-		return allSigns.get(locationToString(location));
-	}
-
-	/**
-	 * Get the map with all signs.
-	 * @return Map with all signs: locationString -&gt; RegionSign
-	 */
-	public static Map<String, RegionSign> getAllSigns() {
-		return allSigns;
-	}
-
-	/**
-	 * Get the map with signs by chunk.
-	 * @return Map with signs by chunk: chunkString -&gt; List&lt;RegionSign&gt;
-	 */
-	public static Map<String, List<RegionSign>> getSignsByChunk() {
-		return signsByChunk;
-	}
-
-	@EventHandler
-	public void regionUpdate(UpdateRegionEvent event) {
-		event.getRegion().getSignsFeature().update();
-	}
-
-	@EventHandler(priority = EventPriority.MONITOR)
-	public void onChunkLoad(ChunkLoadEvent event) {
-		List<RegionSign> chunkSigns = signsByChunk.get(chunkToString(event.getChunk()));
-		if(chunkSigns == null) {
-			return;
-		}
-
-		Do.forAll(chunkSigns, RegionSign::update);
-	}
-
-	/**
-	 * Update all signs connected to this region.
-	 * @return true if all signs are updated correctly, false if one or more updates failed
-	 */
-	public boolean update() {
-		boolean result = true;
-		for(RegionSign sign : signs.values()) {
-			result = result & sign.update();
-		}
-		return result;
-	}
-
-	/**
-	 * Check if any of the signs need periodic updating.
-	 * @return true if one or more of the signs need periodic updating, otherwise false
-	 */
-	public boolean needsPeriodicUpdate() {
-		boolean result = false;
-		for(RegionSign sign : signs.values()) {
-			result = result | sign.needsPeriodicUpdate();
-		}
-		return result;
-	}
-
-	/**
-	 * Get the signs of this region.
-	 * @return List of signs
-	 */
-	public List<RegionSign> getSigns() {
-		return Collections.unmodifiableList(new ArrayList<>(signs.values()));
-	}
-
-	/**
-	 * Get the signs of this region.
-	 * @return Map with signs: locationString -&gt; RegionSign
-	 */
-	Map<String, RegionSign> getSignsRef() {
-		return signs;
-	}
-
-	/**
-	 * Get a list with all sign locations.
-	 * @return A List with all sign locations
-	 */
-	public List<Location> getSignLocations() {
-		List<Location> result = new ArrayList<>();
-		for(RegionSign sign : signs.values()) {
-			result.add(sign.getLocation());
-		}
-		return result;
+	public SignManager signManager() {
+		return this.internalSignManager;
 	}
 
 	/**
@@ -577,39 +96,13 @@ public class SignsFeature extends RegionFeature {
 		getRegion().setSetting(signPath + "location", Utils.locationToConfig(location));
 		getRegion().setSetting(signPath + "facing", facing != null ? facing.name() : null);
 		getRegion().setSetting(signPath + "signType", signType != null ? signType.name() : null);
-		if(profile != null && profile.length() != 0) {
+		if(profile != null && !profile.isEmpty()) {
 			getRegion().setSetting(signPath + "profile", profile);
 		}
 		// Add to the map
-		RegionSign sign = new RegionSign(this, i + "");
-		signs.put(sign.getStringLocation(), sign);
-		allSigns.put(sign.getStringLocation(), sign);
-		signsByChunk.computeIfAbsent(sign.getStringChunk(), key -> new ArrayList<>())
-				.add(sign);
-	}
-
-	/**
-	 * Checks if there is a sign from this region at the specified location.
-	 * @param location Location to check
-	 * @return true if this region has a sign at the location, otherwise false
-	 */
-	public boolean isSignOfRegion(Location location) {
-		Set<String> signs;
-		if(getRegion().getConfig().getConfigurationSection("general.signs") == null) {
-			return false;
-		}
-		signs = getRegion().getConfig().getConfigurationSection("general.signs").getKeys(false);
-		for(String sign : signs) {
-			Location signLocation = Utils.configToLocation(getRegion().getConfig().getConfigurationSection("general.signs." + sign + ".location"));
-			if(signLocation != null
-					&& signLocation.getWorld().equals(location.getWorld())
-					&& signLocation.getBlockX() == location.getBlockX()
-					&& signLocation.getBlockY() == location.getBlockY()
-					&& signLocation.getBlockZ() == location.getBlockZ()) {
-				return true;
-			}
-		}
-		return false;
+		RegionSign regionSign = this.signFactory.createRegionSign(this, String.valueOf(i));
+		this.globalSignManager.addSign(regionSign);
+		this.internalSignManager.addSign(regionSign);
 	}
 
 }

AreaShop/src/main/java/me/wiefferink/areashop/features/signs/SignsModule.java

@@ -0,0 +1,50 @@
+package me.wiefferink.areashop.features.signs;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Provides;
+import com.google.inject.Singleton;
+import com.google.inject.assistedinject.FactoryModuleBuilder;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+import me.wiefferink.areashop.platform.adapter.BlockBehaviourHelper;
+import me.wiefferink.areashop.regions.RegionFactory;
+
+import javax.annotation.Nonnull;
+
+public class SignsModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        bind(SignManager.class).asEagerSingleton();
+        install(new FactoryModuleBuilder().build(SignFactory.class));
+    }
+
+    @Provides
+    @Singleton
+    public SignListener provideSignListener(@Nonnull AreaShop plugin,
+                                            @Nonnull BlockBehaviourHelper behaviourHelper,
+                                            @Nonnull RegionFactory regionFactory,
+                                            @Nonnull MessageBridge messageBridge,
+                                            @Nonnull SignLinkerManager signLinkerManager,
+                                            @Nonnull WorldGuardInterface worldGuardInterface,
+                                            @Nonnull SignManager signManager,
+                                            @Nonnull IFileManager fileManager
+    ) {
+        final SignListener signListener = new SignListener(
+                plugin,
+                behaviourHelper,
+                regionFactory,
+                messageBridge,
+                signLinkerManager,
+                worldGuardInterface,
+                signManager,
+                fileManager
+        );
+        plugin.getServer().getPluginManager().registerEvents(signListener, plugin);
+        return signListener;
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/lib/Metrics.java

@@ -1,769 +0,0 @@
-/*
- * Copyright 2011-2013 Tyler Blair. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- *
- *    1. Redistributions of source code must retain the above copyright notice, this list of
- *       conditions and the following disclaimer.
- *
- *    2. Redistributions in binary form must reproduce the above copyright notice, this list
- *       of conditions and the following disclaimer in the documentation and/or other materials
- *       provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation are those of the
- * authors and contributors and should not be interpreted as representing official policies,
- * either expressed or implied, of anybody else.
- */
-
-package me.wiefferink.areashop.lib;
-
-import org.bukkit.Bukkit;
-import org.bukkit.Server;
-import org.bukkit.configuration.InvalidConfigurationException;
-import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.entity.Player;
-import org.bukkit.plugin.Plugin;
-import org.bukkit.plugin.PluginDescriptionFile;
-import org.bukkit.scheduler.BukkitTask;
-
-import java.io.BufferedReader;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.lang.reflect.Method;
-import java.net.Proxy;
-import java.net.URL;
-import java.net.URLConnection;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedHashSet;
-import java.util.Set;
-import java.util.UUID;
-import java.util.logging.Level;
-import java.util.zip.GZIPOutputStream;
-
-public class Metrics {
-
-	/**
-	 * The current revision number.
-	 */
-	private static final int REVISION = 7;
-
-	/**
-	 * The base url of the metrics domain.
-	 */
-	private static final String BASE_URL = "http://report.mcstats.org";
-
-	/**
-	 * The url used to report a server's status.
-	 */
-	private static final String REPORT_URL = "/plugin/%s";
-
-	/**
-	 * Interval of time to ping (in minutes).
-	 */
-	private static final int PING_INTERVAL = 15;
-
-	/**
-	 * The plugin this metrics submits for.
-	 */
-	private final Plugin plugin;
-
-	/**
-	 * All of the custom graphs to submit to metrics.
-	 */
-	private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
-
-	/**
-	 * The plugin configuration file.
-	 */
-	private final YamlConfiguration configuration;
-
-	/**
-	 * The plugin configuration file.
-	 */
-	private final File configurationFile;
-
-	/**
-	 * Unique server id.
-	 */
-	private final String guid;
-
-	/**
-	 * Debug mode.
-	 */
-	private final boolean debug;
-
-	/**
-	 * Lock for synchronization.
-	 */
-	private final Object optOutLock = new Object();
-
-	/**
-	 * The scheduled task.
-	 */
-	private volatile BukkitTask task = null;
-
-	/**
-	 * Constructor.
-	 * @param plugin The plugin to report stats for
-	 * @throws IOException When the plugin or configuration is wrong
-	 */
-	public Metrics(final Plugin plugin) throws IOException {
-		if(plugin == null) {
-			throw new IllegalArgumentException("Plugin cannot be null");
-		}
-
-		this.plugin = plugin;
-
-		// load the config
-		configurationFile = getConfigFile();
-		configuration = YamlConfiguration.loadConfiguration(configurationFile);
-
-		// add some defaults
-		configuration.addDefault("opt-out", false);
-		configuration.addDefault("guid", UUID.randomUUID().toString());
-		configuration.addDefault("debug", false);
-
-		// Do we need to create the file?
-		if(configuration.get("guid", null) == null) {
-			configuration.options().header("http://mcstats.org").copyDefaults(true);
-			configuration.save(configurationFile);
-		}
-
-		// Load the guid then
-		guid = configuration.getString("guid");
-		debug = configuration.getBoolean("debug", false);
-	}
-
-	/**
-	 * Construct and create a Graph that can be used to separate specific plotters to their own graphs on the metrics
-	 * website. Plotters can be added to the graph object returned.
-	 * @param name The name of the graph
-	 * @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
-	 */
-	public Graph createGraph(final String name) {
-		if(name == null) {
-			throw new IllegalArgumentException("Graph name cannot be null");
-		}
-
-		// Construct the graph object
-		final Graph graph = new Graph(name);
-
-		// Now we can add our graph
-		graphs.add(graph);
-
-		// and return back
-		return graph;
-	}
-
-	/**
-	 * Add a Graph object to BukkitMetrics that represents data for the plugin that should be sent to the backend.
-	 * @param graph The name of the graph
-	 */
-	public void addGraph(final Graph graph) {
-		if(graph == null) {
-			throw new IllegalArgumentException("Graph cannot be null");
-		}
-
-		graphs.add(graph);
-	}
-
-	/**
-	 * Start measuring statistics. This will immediately create an async repeating task as the plugin and send the
-	 * initial data to the metrics backend, and then after that it will post in increments of PING_INTERVAL * 1200
-	 * ticks.
-	 * @return True if statistics measuring is running, otherwise false.
-	 */
-	public boolean start() {
-		synchronized(optOutLock) {
-			// Did we opt out?
-			if(isOptOut()) {
-				return false;
-			}
-
-			// Is metrics already running?
-			if(task != null) {
-				return true;
-			}
-
-			// Begin hitting the server with glorious data
-			task = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable() {
-
-				private boolean firstPost = true;
-
-				public void run() {
-					try {
-						// This has to be synchronized or it can collide with the disable method.
-						synchronized(optOutLock) {
-							// Disable Task, if it is running and the server owner decided to opt-out
-							if(isOptOut() && task != null) {
-								task.cancel();
-								task = null;
-								// Tell all plotters to stop gathering information.
-								for(Graph graph : graphs) {
-									graph.onOptOut();
-								}
-							}
-						}
-
-						// We use the inverse of firstPost because if it is the first time we are posting,
-						// it is not a interval ping, so it evaluates to FALSE
-						// Each time thereafter it will evaluate to TRUE, i.e PING!
-						postPlugin(!firstPost);
-
-						// After the first post we set firstPost to false
-						// Each post thereafter will be a ping
-						firstPost = false;
-					} catch(IOException e) {
-						if(debug) {
-							Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
-						}
-					}
-				}
-			}, 0, PING_INTERVAL * 1200);
-
-			return true;
-		}
-	}
-
-	/**
-	 * If the server owner denied plugin metrics.
-	 * @return true if metrics should be opted out of it
-	 */
-	public boolean isOptOut() {
-		synchronized(optOutLock) {
-			try {
-				// Reload the metrics file
-				configuration.load(getConfigFile());
-			} catch(IOException ex) {
-				if(debug) {
-					Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
-				}
-				return true;
-			} catch(InvalidConfigurationException ex) {
-				if(debug) {
-					Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
-				}
-				return true;
-			}
-			return configuration.getBoolean("opt-out", false);
-		}
-	}
-
-	/**
-	 * Enables metrics for the server by setting "opt-out" to false in the config file and starting the metrics task.
-	 * @throws IOException when saving the config file fails
-	 */
-	public void enable() throws IOException {
-		// This has to be synchronized or it can collide with the check in the task.
-		synchronized(optOutLock) {
-			// Check if the server owner has already set opt-out, if not, set it.
-			if(isOptOut()) {
-				configuration.set("opt-out", false);
-				configuration.save(configurationFile);
-			}
-
-			// Enable Task, if it is not running
-			if(task == null) {
-				start();
-			}
-		}
-	}
-
-	/**
-	 * Disables metrics for the server by setting "opt-out" to true in the config file and canceling the metrics task.
-	 * @throws IOException when saving the config file fails
-	 */
-	public void disable() throws IOException {
-		// This has to be synchronized or it can collide with the check in the task.
-		synchronized(optOutLock) {
-			// Check if the server owner has already set opt-out, if not, set it.
-			if(!isOptOut()) {
-				configuration.set("opt-out", true);
-				configuration.save(configurationFile);
-			}
-
-			// Disable Task, if it is running
-			if(task != null) {
-				task.cancel();
-				task = null;
-			}
-		}
-	}
-
-	/**
-	 * Gets the File object of the config file that should be used to store data such as the GUID and opt-out status.
-	 * @return the File object for the config file
-	 */
-	public File getConfigFile() {
-		// I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use
-		// is to abuse the plugin object we already have
-		// plugin.getDataFolder() => base/plugins/PluginA/
-		// pluginsFolder => base/plugins/
-		// The base is not necessarily relative to the startup directory.
-		File pluginsFolder = plugin.getDataFolder().getParentFile();
-
-		// return => base/plugins/PluginMetrics/config.yml
-		return new File(new File(pluginsFolder, "PluginMetrics"), "config.yml");
-	}
-
-	/**
-	 * Gets the online player (backwards compatibility).
-	 * @return online player amount
-	 */
-	private int getOnlinePlayers() {
-		try {
-			Method onlinePlayerMethod = Server.class.getMethod("getOnlinePlayers");
-			if(onlinePlayerMethod.getReturnType().equals(Collection.class)) {
-				return ((Collection<?>)onlinePlayerMethod.invoke(Bukkit.getServer())).size();
-			} else {
-				return ((Player[])onlinePlayerMethod.invoke(Bukkit.getServer())).length;
-			}
-		} catch(Exception ex) {
-			if(debug) {
-				Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
-			}
-		}
-
-		return 0;
-	}
-
-	/**
-	 * Generic method that posts a plugin to the metrics website.
-	 */
-	private void postPlugin(final boolean isPing) throws IOException {
-		// Server software specific section
-		PluginDescriptionFile description = plugin.getDescription();
-		String pluginName = description.getName();
-		boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled
-		String pluginVersion = description.getVersion();
-		String serverVersion = Bukkit.getVersion();
-		int playersOnline = this.getOnlinePlayers();
-
-		// END server software specific section -- all code below does not use any code outside of this class / Java
-
-		// Construct the post data
-		StringBuilder json = new StringBuilder(1024);
-		json.append('{');
-
-		// The plugin's description file containg all of the plugin data such as name, version, author, etc
-		appendJsonPair(json, "guid", guid);
-		appendJsonPair(json, "plugin_version", pluginVersion);
-		appendJsonPair(json, "server_version", serverVersion);
-		appendJsonPair(json, "players_online", Integer.toString(playersOnline));
-
-		// New data as of R6
-		String osname = System.getProperty("os.name");
-		String osarch = System.getProperty("os.arch");
-		String osversion = System.getProperty("os.version");
-		String javaVersion = System.getProperty("java.version");
-		int coreCount = Runtime.getRuntime().availableProcessors();
-
-		// normalize os arch .. amd64 -> x86_64
-		if(osarch.equals("amd64")) {
-			osarch = "x86_64";
-		}
-
-		appendJsonPair(json, "osname", osname);
-		appendJsonPair(json, "osarch", osarch);
-		appendJsonPair(json, "osversion", osversion);
-		appendJsonPair(json, "cores", Integer.toString(coreCount));
-		appendJsonPair(json, "auth_mode", onlineMode ? "1" : "0");
-		appendJsonPair(json, "java_version", javaVersion);
-
-		// If we're pinging, append it
-		if(isPing) {
-			appendJsonPair(json, "ping", "1");
-		}
-
-		if(graphs.size() > 0) {
-			synchronized(graphs) {
-				json.append(',');
-				json.append('"');
-				json.append("graphs");
-				json.append('"');
-				json.append(':');
-				json.append('{');
-
-				boolean firstGraph = true;
-
-				final Iterator<Graph> iter = graphs.iterator();
-
-				while(iter.hasNext()) {
-					Graph graph = iter.next();
-
-					StringBuilder graphJson = new StringBuilder();
-					graphJson.append('{');
-
-					for(Plotter plotter : graph.getPlotters()) {
-						appendJsonPair(graphJson, plotter.getColumnName(), Integer.toString(plotter.getValue()));
-					}
-
-					graphJson.append('}');
-
-					if(!firstGraph) {
-						json.append(',');
-					}
-
-					json.append(escapeJson(graph.getName()));
-					json.append(':');
-					json.append(graphJson);
-
-					firstGraph = false;
-				}
-
-				json.append('}');
-			}
-		}
-
-		// close json
-		json.append('}');
-
-		// Create the url
-		URL url = new URL(BASE_URL + String.format(REPORT_URL, urlEncode(pluginName)));
-
-		// Connect to the website
-		URLConnection connection;
-
-		// Mineshafter creates a socks proxy, so we can safely bypass it
-		// It does not reroute POST requests so we need to go around it
-		if(isMineshafterPresent()) {
-			connection = url.openConnection(Proxy.NO_PROXY);
-		} else {
-			connection = url.openConnection();
-		}
-
-
-		byte[] uncompressed = json.toString().getBytes();
-		byte[] compressed = gzip(json.toString());
-
-		// Headers
-		connection.addRequestProperty("User-Agent", "MCStats/" + REVISION);
-		connection.addRequestProperty("Content-Type", "application/json");
-		connection.addRequestProperty("Content-Encoding", "gzip");
-		connection.addRequestProperty("Content-Length", Integer.toString(compressed.length));
-		connection.addRequestProperty("Accept", "application/json");
-		connection.addRequestProperty("Connection", "close");
-
-		connection.setDoOutput(true);
-
-		if(debug) {
-			System.out.println("[Metrics] Prepared request for " + pluginName + " uncompressed=" + uncompressed.length + " compressed=" + compressed.length);
-		}
-
-		// Write the data
-		OutputStream os = connection.getOutputStream();
-		os.write(compressed);
-		os.flush();
-
-		// Now read the response
-		final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
-		String response = reader.readLine();
-
-		// close resources
-		os.close();
-		reader.close();
-
-		if(response == null || response.startsWith("ERR") || response.startsWith("7")) {
-			if(response == null) {
-				response = "null";
-			} else if(response.startsWith("7")) {
-				response = response.substring(response.startsWith("7,") ? 2 : 1);
-			}
-
-			throw new IOException(response);
-		} else {
-			// Is this the first update this hour?
-			if(response.equals("1") || response.contains("This is your first update this hour")) {
-				synchronized(graphs) {
-					final Iterator<Graph> iter = graphs.iterator();
-
-					while(iter.hasNext()) {
-						final Graph graph = iter.next();
-
-						for(Plotter plotter : graph.getPlotters()) {
-							plotter.reset();
-						}
-					}
-				}
-			}
-		}
-	}
-
-	/**
-	 * GZip compress a string of bytes.
-	 * @param input Content to gzip
-	 * @return byte[] of the gzipped input
-	 */
-	public static byte[] gzip(String input) {
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		GZIPOutputStream gzos = null;
-
-		try {
-			gzos = new GZIPOutputStream(baos);
-			gzos.write(input.getBytes(StandardCharsets.UTF_8));
-		} catch(IOException e) {
-			e.printStackTrace();
-		} finally {
-			if(gzos != null) {
-				try {
-					gzos.close();
-				} catch(IOException ignore) {
-					// ignore
-				}
-			}
-		}
-
-		return baos.toByteArray();
-	}
-
-	/**
-	 * Check if mineshafter is present. If it is, we need to bypass it to send POST requests
-	 * @return true if mineshafter is installed on the server
-	 */
-	private boolean isMineshafterPresent() {
-		try {
-			Class.forName("mineshafter.MineServer");
-			return true;
-		} catch(Exception e) {
-			return false;
-		}
-	}
-
-	/**
-	 * Appends a json encoded key/value pair to the given string builder.
-	 */
-	private static void appendJsonPair(StringBuilder json, String key, String value) throws UnsupportedEncodingException {
-		boolean isValueNumeric = false;
-
-		try {
-			if(value.equals("0") || !value.endsWith("0")) {
-				Double.parseDouble(value);
-				isValueNumeric = true;
-			}
-		} catch(NumberFormatException e) {
-			isValueNumeric = false;
-		}
-
-		if(json.charAt(json.length() - 1) != '{') {
-			json.append(',');
-		}
-
-		json.append(escapeJson(key));
-		json.append(':');
-
-		if(isValueNumeric) {
-			json.append(value);
-		} else {
-			json.append(escapeJson(value));
-		}
-	}
-
-	/**
-	 * Escape a string to create a valid JSON string.
-	 */
-	private static String escapeJson(String text) {
-		StringBuilder builder = new StringBuilder();
-
-		builder.append('"');
-		for(int index = 0; index < text.length(); index++) {
-			char chr = text.charAt(index);
-
-			switch(chr) {
-				case '"':
-				case '\\':
-					builder.append('\\');
-					builder.append(chr);
-					break;
-				case '\b':
-					builder.append("\\b");
-					break;
-				case '\t':
-					builder.append("\\t");
-					break;
-				case '\n':
-					builder.append("\\n");
-					break;
-				case '\r':
-					builder.append("\\r");
-					break;
-				default:
-					if(chr < ' ') {
-						String t = "000" + Integer.toHexString(chr);
-						builder.append("\\u" + t.substring(t.length() - 4));
-					} else {
-						builder.append(chr);
-					}
-					break;
-			}
-		}
-		builder.append('"');
-
-		return builder.toString();
-	}
-
-	/**
-	 * Encode text as UTF-8.
-	 * @param text the text to encode
-	 * @return the encoded text, as UTF-8
-	 */
-	private static String urlEncode(final String text) throws UnsupportedEncodingException {
-		return URLEncoder.encode(text, "UTF-8");
-	}
-
-	/**
-	 * Represents a custom graph on the website.
-	 */
-	public static class Graph {
-
-		/**
-		 * The graph's name, alphanumeric and spaces only :) If it does not comply to the above when submitted, it is
-		 * rejected.
-		 */
-		private final String name;
-
-		/**
-		 * The set of plotters that are contained within this graph.
-		 */
-		private final Set<Plotter> plotters = new LinkedHashSet<Plotter>();
-
-		private Graph(final String name) {
-			this.name = name;
-		}
-
-		/**
-		 * Gets the graph's name.
-		 * @return the Graph's name
-		 */
-		public String getName() {
-			return name;
-		}
-
-		/**
-		 * Add a plotter to the graph, which will be used to plot entries.
-		 * @param plotter the plotter to add to the graph
-		 */
-		public void addPlotter(final Plotter plotter) {
-			plotters.add(plotter);
-		}
-
-		/**
-		 * Remove a plotter from the graph.
-		 * @param plotter the plotter to remove from the graph
-		 */
-		public void removePlotter(final Plotter plotter) {
-			plotters.remove(plotter);
-		}
-
-		/**
-		 * Gets an <b>unmodifiable</b> set of the plotter objects in the graph.
-		 * @return an unmodifiable {@link java.util.Set} of the plotter objects
-		 */
-		public Set<Plotter> getPlotters() {
-			return Collections.unmodifiableSet(plotters);
-		}
-
-		@Override
-		public int hashCode() {
-			return name.hashCode();
-		}
-
-		@Override
-		public boolean equals(final Object object) {
-			if(!(object instanceof Graph)) {
-				return false;
-			}
-
-			final Graph graph = (Graph)object;
-			return graph.name.equals(name);
-		}
-
-		/**
-		 * Called when the server owner decides to opt-out of BukkitMetrics while the server is running.
-		 */
-		protected void onOptOut() {
-		}
-	}
-
-	/**
-	 * Interface used to collect custom data for a plugin.
-	 */
-	public abstract static class Plotter {
-
-		/**
-		 * The plot's name.
-		 */
-		private final String name;
-
-		/**
-		 * Construct a plotter with the default plot name.
-		 */
-		public Plotter() {
-			this("Default");
-		}
-
-		/**
-		 * Construct a plotter with a specific plot name.
-		 * @param name the name of the plotter to use, which will show up on the website
-		 */
-		public Plotter(final String name) {
-			this.name = name;
-		}
-
-		/**
-		 * Get the current value for the plotted point. Since this function defers to an external function it may or may
-		 * not return immediately thus cannot be guaranteed to be thread friendly or safe. This function can be called
-		 * from any thread so care should be taken when accessing resources that need to be synchronized.
-		 * @return the current value for the point to be plotted.
-		 */
-		public abstract int getValue();
-
-		/**
-		 * Get the column name for the plotted point.
-		 * @return the plotted point's column name
-		 */
-		public String getColumnName() {
-			return name;
-		}
-
-		/**
-		 * Called after the website graphs have been updated.
-		 */
-		public void reset() {
-		}
-
-		@Override
-		public int hashCode() {
-			return getColumnName().hashCode();
-		}
-
-		@Override
-		public boolean equals(final Object object) {
-			if(!(object instanceof Plotter)) {
-				return false;
-			}
-
-			final Plotter plotter = (Plotter)object;
-			return plotter.name.equals(name) && plotter.getValue() == getValue();
-		}
-	}
-}

AreaShop/src/main/java/me/wiefferink/areashop/listeners/PlayerLoginLogoutListener.java

@@ -1,6 +1,7 @@
 package me.wiefferink.areashop.listeners;
 
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -15,6 +16,7 @@ import org.bukkit.event.player.PlayerLoginEvent;
 import org.bukkit.event.player.PlayerLoginEvent.Result;
 import org.bukkit.event.player.PlayerQuitEvent;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -22,14 +24,17 @@ import java.util.List;
  * Notify region expiry and track activity time.
  */
 public final class PlayerLoginLogoutListener implements Listener {
+
 	private final AreaShop plugin;
+	private final MessageBridge messageBridge;
 
 	/**
 	 * Constructor.
 	 * @param plugin The AreaShop plugin
 	 */
-	public PlayerLoginLogoutListener(AreaShop plugin) {
+	public PlayerLoginLogoutListener(@Nonnull AreaShop plugin, @Nonnull MessageBridge messageBridge) {
 		this.plugin = plugin;
+		this.messageBridge = messageBridge;
 	}
 
 	/**
@@ -53,7 +58,7 @@ public final class PlayerLoginLogoutListener implements Listener {
 				return false;
 			}
 			// Notify for rents that almost run out
-			for(RentRegion region : plugin.getFileManager().getRents()) {
+			for(RentRegion region : plugin.getFileManager().getRentsRef()) {
 				if(region.isRenter(player)) {
 					String warningSetting = region.getStringSetting("rent.warningOnLoginTime");
 					if(warningSetting == null || warningSetting.isEmpty()) {
@@ -62,13 +67,13 @@ public final class PlayerLoginLogoutListener implements Listener {
 					long warningTime = Utils.durationStringToLong(warningSetting);
 					if(region.getTimeLeft() < warningTime) {
 						// Send the warning message later to let it appear after general MOTD messages
-						AreaShop.getInstance().message(player, "rent-expireWarning", region);
+						 messageBridge.message(player, "rent-expireWarning", region);
 					}
 				}
 			}
 
 			// Notify admins for plugin updates
-			AreaShop.getInstance().notifyUpdate(player);
+			this.plugin.notifyUpdate(player);
 			return false;
 		});
 
@@ -79,7 +84,7 @@ public final class PlayerLoginLogoutListener implements Listener {
 			}
 
 			List<GeneralRegion> regions = new ArrayList<>();
-			for(GeneralRegion region : plugin.getFileManager().getRegions()) {
+			for(GeneralRegion region : plugin.getFileManager().getRegionsRef()) {
 				if(region.isOwner(player)) {
 					regions.add(region);
 				}
@@ -122,7 +127,7 @@ public final class PlayerLoginLogoutListener implements Listener {
 	 * @param player The player to update the active times for
 	 */
 	private void updateLastActive(Player player) {
-		for(GeneralRegion region : plugin.getFileManager().getRegions()) {
+		for(GeneralRegion region : plugin.getFileManager().getRegionsRef()) {
 			if(region.isOwner(player)) {
 				region.updateLastActiveTime();
 			}

AreaShop/src/main/java/me/wiefferink/areashop/managers/CommandManager.java

@@ -1,5 +1,10 @@
 package me.wiefferink.areashop.managers;
 
+import com.google.inject.Injector;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.commands.AddCommand;
 import me.wiefferink.areashop.commands.AddfriendCommand;
 import me.wiefferink.areashop.commands.AddsignCommand;
@@ -24,6 +29,7 @@ import me.wiefferink.areashop.commands.RentCommand;
 import me.wiefferink.areashop.commands.ResellCommand;
 import me.wiefferink.areashop.commands.SchematiceventCommand;
 import me.wiefferink.areashop.commands.SellCommand;
+import me.wiefferink.areashop.commands.SetTransferCommand;
 import me.wiefferink.areashop.commands.SetdurationCommand;
 import me.wiefferink.areashop.commands.SetlandlordCommand;
 import me.wiefferink.areashop.commands.SetownerCommand;
@@ -33,58 +39,69 @@ import me.wiefferink.areashop.commands.SetteleportCommand;
 import me.wiefferink.areashop.commands.StackCommand;
 import me.wiefferink.areashop.commands.StopresellCommand;
 import me.wiefferink.areashop.commands.TeleportCommand;
+import me.wiefferink.areashop.commands.TransferCommand;
 import me.wiefferink.areashop.commands.UnrentCommand;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabCompleter;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.SortedSet;
 import java.util.TreeSet;
 
+@Singleton
 public class CommandManager extends Manager implements CommandExecutor, TabCompleter {
-	private final ArrayList<CommandAreaShop> commands;
+	private final List<CommandAreaShop> commands;
+	private final AreaShop plugin;
+	private final MessageBridge messageBridge;
 
 	/**
 	 * Constructor.
 	 */
-	public CommandManager() {
-		commands = new ArrayList<>();
-		commands.add(new HelpCommand());
-		commands.add(new RentCommand());
-		commands.add(new UnrentCommand());
-		commands.add(new BuyCommand());
-		commands.add(new SellCommand());
-		commands.add(new MeCommand());
-		commands.add(new InfoCommand());
-		commands.add(new TeleportCommand());
-		commands.add(new SetteleportCommand());
-		commands.add(new AddfriendCommand());
-		commands.add(new DelfriendCommand());
-		commands.add(new FindCommand());
-		commands.add(new ResellCommand());
-		commands.add(new StopresellCommand());
-		commands.add(new SetrestoreCommand());
-		commands.add(new SetpriceCommand());
-		commands.add(new SetownerCommand());
-		commands.add(new SetdurationCommand());
-		commands.add(new ReloadCommand());
-		commands.add(new GroupaddCommand());
-		commands.add(new GroupdelCommand());
-		commands.add(new GrouplistCommand());
-		commands.add(new GroupinfoCommand());
-		commands.add(new SchematiceventCommand());
-		commands.add(new AddCommand());
-		commands.add(new DelCommand());
-		commands.add(new AddsignCommand());
-		commands.add(new DelsignCommand());
-		commands.add(new LinksignsCommand());
-		commands.add(new StackCommand());
-		commands.add(new SetlandlordCommand());
-		commands.add(new MessageCommand());
-		commands.add(new ImportCommand());
+	@Inject
+	CommandManager(@Nonnull AreaShop plugin, @Nonnull MessageBridge messageBridge, @Nonnull
+				   Injector injector) {
+		this.plugin = plugin;
+		this.messageBridge = messageBridge;
+		commands = new ArrayList<>(34);
+		commands.add(new HelpCommand(this));
+		commands.add(injector.getInstance(RentCommand.class));
+		commands.add(injector.getInstance(UnrentCommand.class));
+		commands.add(injector.getInstance(BuyCommand.class));
+		commands.add(injector.getInstance(SellCommand.class));
+		commands.add(injector.getInstance(TransferCommand.class));
+		commands.add(injector.getInstance(MeCommand.class));
+		commands.add(injector.getInstance(InfoCommand.class));
+		commands.add(injector.getInstance(TeleportCommand.class));
+		commands.add(injector.getInstance(SetteleportCommand.class));
+		commands.add(injector.getInstance(AddfriendCommand.class));
+		commands.add(injector.getInstance(DelfriendCommand.class));
+		commands.add(injector.getInstance(FindCommand.class));
+		commands.add(injector.getInstance(ResellCommand.class));
+		commands.add(injector.getInstance(StopresellCommand.class));
+		commands.add(injector.getInstance(SetrestoreCommand.class));
+		commands.add(injector.getInstance(SetpriceCommand.class));
+		commands.add(injector.getInstance(SetownerCommand.class));
+		commands.add(injector.getInstance(SetdurationCommand.class));
+		commands.add(injector.getInstance(SetTransferCommand.class));
+		commands.add(injector.getInstance(ReloadCommand.class));
+		commands.add(injector.getInstance(GroupaddCommand.class));
+		commands.add(injector.getInstance(GroupdelCommand.class));
+		commands.add(injector.getInstance(GrouplistCommand.class));
+		commands.add(injector.getInstance(GroupinfoCommand.class));
+		commands.add(injector.getInstance(SchematiceventCommand.class));
+		commands.add(injector.getInstance(AddCommand.class));
+		commands.add(injector.getInstance(DelCommand.class));
+		commands.add(injector.getInstance(AddsignCommand.class));
+		commands.add(injector.getInstance(DelsignCommand.class));
+		commands.add(injector.getInstance(LinksignsCommand.class));
+		commands.add(injector.getInstance(StackCommand.class));
+		commands.add(injector.getInstance(SetlandlordCommand.class));
+		commands.add(injector.getInstance(MessageCommand.class));
+		commands.add(injector.getInstance(ImportCommand.class));
 
 		// Register commands in bukkit
 		plugin.getCommand("AreaShop").setExecutor(this);
@@ -95,7 +112,7 @@ public class CommandManager extends Manager implements CommandExecutor, TabCompl
 	 * Get the list with AreaShop commands.
 	 * @return The list with AreaShop commands
 	 */
-	public ArrayList<CommandAreaShop> getCommands() {
+	public List<CommandAreaShop> getCommands() {
 		return commands;
 	}
 
@@ -105,36 +122,38 @@ public class CommandManager extends Manager implements CommandExecutor, TabCompl
 	 */
 	public void showHelp(CommandSender target) {
 		if(!target.hasPermission("areashop.help")) {
-			plugin.message(target, "help-noPermission");
+			messageBridge.message(target, "help-noPermission");
 			return;
 		}
 		// Add all messages to a list
 		ArrayList<String> messages = new ArrayList<>();
-		plugin.message(target, "help-header");
-		plugin.message(target, "help-alias");
+		messageBridge.message(target, "help-header");
+		messageBridge.message(target, "help-alias");
 		for(CommandAreaShop command : commands) {
 			String help = command.getHelp(target);
-			if(help != null && help.length() != 0) {
+			if(help != null && !help.isEmpty()) {
 				messages.add(help);
 			}
 		}
 		// Send the messages to the target
 		for(String message : messages) {
-			plugin.messageNoPrefix(target, message);
+			messageBridge.messageNoPrefix(target, message);
 		}
 	}
 
 	@Override
 	public boolean onCommand(CommandSender sender, Command command, String alias, String[] args) {
 		if(!plugin.isReady()) {
-			plugin.message(sender, "general-notReady");
+			messageBridge.message(sender, "general-notReady");
 			return true;
 		}
+
 		// Redirect `/as info player <player>` to `/as me <player>`
 		if(args.length == 3 && "info".equals(args[0]) && "player".equals(args[1])) {
 			args[0] = "me";
 			args[1] = args[2];
 		}
+
 		// Execute command
 		boolean executed = false;
 		for(int i = 0; i < commands.size() && !executed; i++) {
@@ -143,16 +162,21 @@ public class CommandManager extends Manager implements CommandExecutor, TabCompl
 				executed = true;
 			}
 		}
-		if(!executed && args.length == 0) {
-			this.showHelp(sender);
-		} else if(!executed && args.length > 0) {
-			// Indicate that the '/as updaterents' and '/as updatebuys' commands are removed
-			if("updaterents".equalsIgnoreCase(args[0]) || "updatebuys".equalsIgnoreCase(args[0])) {
-				plugin.message(sender, "reload-updateCommandChanged");
+
+		// Show help
+		if (!executed) {
+			if (args.length == 0) {
+				this.showHelp(sender);
 			} else {
-				plugin.message(sender, "cmd-notValid");
+				// Indicate that the '/as updaterents' and '/as updatebuys' commands are removed
+				if("updaterents".equalsIgnoreCase(args[0]) || "updatebuys".equalsIgnoreCase(args[0])) {
+					messageBridge.message(sender, "reload-updateCommandChanged");
+				} else {
+					messageBridge.message(sender, "cmd-notValid");
+				}
 			}
 		}
+
 		return true;
 	}
 
@@ -181,7 +205,7 @@ public class CommandManager extends Manager implements CommandExecutor, TabCompl
 			}
 		}
 		// Filter and sort the results
-		if(result.size() > 0) {
+		if(!result.isEmpty()) {
 			SortedSet<String> set = new TreeSet<>();
 			for(String suggestion : result) {
 				if(suggestion.toLowerCase().startsWith(toCompletePrefix)) {

AreaShop/src/main/java/me/wiefferink/areashop/managers/FeatureManager.java

@@ -1,7 +1,13 @@
 package me.wiefferink.areashop.managers;
 
+import com.google.inject.Injector;
+import com.google.inject.ProvisionException;
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.features.CommandsFeature;
 import me.wiefferink.areashop.features.DebugFeature;
+import me.wiefferink.areashop.features.FeatureFactory;
 import me.wiefferink.areashop.features.FriendsFeature;
 import me.wiefferink.areashop.features.RegionFeature;
 import me.wiefferink.areashop.features.TeleportFeature;
@@ -9,60 +15,67 @@ import me.wiefferink.areashop.features.WorldGuardRegionFlagsFeature;
 import me.wiefferink.areashop.features.signs.SignsFeature;
 import me.wiefferink.areashop.regions.GeneralRegion;
 
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
+import javax.annotation.Nonnull;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
+import java.util.function.Function;
 
+@Singleton
 public class FeatureManager extends Manager {
 
-	// List of defined features
-	private static final Set<Class<? extends RegionFeature>> featureClasses = new HashSet<>(Arrays.asList(
-			DebugFeature.class,
-			SignsFeature.class,
-			FriendsFeature.class,
+	private static final Collection<Class<? extends RegionFeature>> globalFeatureClasses = Arrays.asList(
+			CommandsFeature.class,
 			WorldGuardRegionFlagsFeature.class,
-			TeleportFeature.class
-	));
+			DebugFeature.class
+	);
 	// One instance of each feature, registered for event handling
-	private final Set<RegionFeature> globalFeatures;
-	private final Map<Class<? extends RegionFeature>, Constructor<? extends RegionFeature>> regionFeatureConstructors;
+	private final Set<RegionFeature> globalFeatures = new HashSet<>();
+	private final Map<Class<? extends RegionFeature>, Function<GeneralRegion, ? extends RegionFeature>> regionFeatureConstructors = new HashMap<>();
 
 	/**
 	 * Constructor.
 	 */
-	public FeatureManager() {
-		// Instantiate and register global features (one per type, for event handling)
-		globalFeatures = new HashSet<>();
-		for(Class<? extends RegionFeature> clazz : featureClasses) {
-			try {
-				Constructor<? extends RegionFeature> constructor = clazz.getConstructor();
-				try {
-					RegionFeature feature = constructor.newInstance();
-					feature.listen();
-					globalFeatures.add(feature);
-				} catch(InstantiationException | IllegalAccessException | InvocationTargetException | IllegalArgumentException e) {
-					AreaShop.error("Failed to instantiate global feature:", clazz, e);
-				}
-			} catch(NoSuchMethodException e) {
-				// Feature does not have a global part
-			}
-		}
-
+	@Inject
+	FeatureManager(@Nonnull FeatureFactory featureFactory) {
 		// Setup constructors for region specific features
-		regionFeatureConstructors = new HashMap<>();
-		for(Class<? extends RegionFeature> clazz : featureClasses) {
+		regionFeatureConstructors.put(SignsFeature.class, wrapInstantiator(SignsFeature.class, featureFactory::createSignsFeature));
+		regionFeatureConstructors.put(TeleportFeature.class, wrapInstantiator(TeleportFeature.class, featureFactory::createTeleportFeature));
+		regionFeatureConstructors.put(FriendsFeature.class, wrapInstantiator(FriendsFeature.class, featureFactory::createFriendsFeature));
+	}
+
+	public void initializeFeatures(@Nonnull Injector injector) {
+		// Instantiate and register global features (one per type, for event handling)
+		for(Class<? extends RegionFeature> clazz : globalFeatureClasses) {
 			try {
-				regionFeatureConstructors.put(clazz, clazz.getConstructor(GeneralRegion.class));
-			} catch(NoSuchMethodException | IllegalArgumentException e) {
-				// The feature does not have a region specific part
+				RegionFeature feature = injector.getInstance(clazz);
+				feature.listen();
+				globalFeatures.add(feature);
+			} catch(ProvisionException e) {
+				AreaShop.error("Failed to instantiate global feature:", clazz, e);
 			}
 		}
 	}
 
+	public <T extends RegionFeature> void registerNonGlobalFeature(@Nonnull Class<T> clazz, @Nonnull Function<GeneralRegion, T> constructor) {
+		this.regionFeatureConstructors.put(clazz, constructor);
+	}
+
+	private <T extends RegionFeature> Function<GeneralRegion, T> wrapInstantiator(Class<T> clazz, Function<GeneralRegion, T> function
+	) {
+		return region -> {
+			try {
+				return function.apply(region);
+			} catch (Throwable e) {
+				AreaShop.error("Failed to instantiate feature", clazz, "for region", region, e, e.getCause());
+				return null;
+			}
+		};
+	}
+
 	@Override
 	public void shutdown() {
 		for(RegionFeature feature : globalFeatures) {
@@ -77,12 +90,7 @@ public class FeatureManager extends Manager {
 	 * @return The feature class
 	 */
 	public RegionFeature getRegionFeature(GeneralRegion region, Class<? extends RegionFeature> featureClazz) {
-		try {
-			return regionFeatureConstructors.get(featureClazz).newInstance(region);
-		} catch(InstantiationException | InvocationTargetException | IllegalAccessException | IllegalArgumentException e) {
-			AreaShop.error("Failed to instanciate feature", featureClazz, "for region", region, e, e.getCause());
-		}
-		return null;
+		return regionFeatureConstructors.get(featureClazz).apply(region);
 	}
 
 }

AreaShop/src/main/java/me/wiefferink/areashop/managers/IFileManager.java

@@ -0,0 +1,399 @@
+package me.wiefferink.areashop.managers;
+
+import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
+import me.wiefferink.areashop.events.ask.DeletingRegionEvent;
+import me.wiefferink.areashop.regions.BuyRegion;
+import me.wiefferink.areashop.regions.GeneralRegion;
+import me.wiefferink.areashop.regions.RegionGroup;
+import me.wiefferink.areashop.regions.RentRegion;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+import javax.annotation.Nullable;
+import java.util.Collection;
+import java.util.List;
+
+public interface IFileManager {
+
+    /**
+     * Get the folder where schematics are stored.
+     *
+     * @return The folder where schematics are stored
+     */
+    String getSchematicFolder();
+
+    /**
+     * Get a group.
+     *
+     * @param name The name of the group to get (will be normalized)
+     * @return The group if found, otherwise null
+     */
+    RegionGroup getGroup(String name);
+
+    /**
+     * Get all groups.
+     *
+     * @return Collection with all groups (safe to modify)
+     */
+    Collection<RegionGroup> getGroups();
+
+    /**
+     * Get the default region settings as provided by the user (default.yml).
+     *
+     * @return YamlConfiguration with the settings (might miss settings, which should be filled in with {@link #getFallbackRegionSettings()})
+     */
+    YamlConfiguration getRegionSettings();
+
+    /**
+     * Get the default regions settings as provided by AreaShop (default.yml).
+     *
+     * @return YamlConfiguration with the default settings
+     */
+    YamlConfiguration getFallbackRegionSettings();
+
+    /**
+     * Get the config file (config.yml).
+     *
+     * @return YamlConfiguration with the settings of users, with fallback to the settings provided by AreaShop
+     */
+    YamlConfiguration getConfig();
+
+    /**
+     * Get a region.
+     *
+     * @param name The name of the region to get (will be normalized)
+     * @return The region if found, otherwise null
+     */
+    @Nullable
+    GeneralRegion getRegion(String name);
+
+    /**
+     * Get a rental region.
+     *
+     * @param name The name of the rental region (will be normalized)
+     * @return RentRegion if it could be found, otherwise null
+     */
+    @Nullable
+    RentRegion getRent(String name);
+
+    /**
+     * Get a buy region.
+     *
+     * @param name The name of the buy region (will be normalized)
+     * @return BuyRegion if it could be found, otherwise null
+     */
+    @Nullable
+    BuyRegion getBuy(String name);
+
+    /**
+     * Get all rental regions.
+     *
+     * @return List of all rental regions
+     */
+    Collection<RentRegion> getRents();
+
+    /**
+     * Get all rental regions (readonly)
+     *
+     * @return Unmodifiable collection of all rental regions
+     */
+    Collection<RentRegion> getRentsRef();
+
+    /**
+     * Get all buy regions.
+     *
+     * @return List of all buy regions
+     */
+    List<BuyRegion> getBuys();
+
+    /**
+     * Get all buy regions (readonly)
+     * @return Unmodifiable collection of all buy regions
+     */
+    Collection<BuyRegion> getBuysRef();
+
+    /**
+     * Get all regions.
+     *
+     * @return List of all regions (it is safe to modify the list)
+     */
+    List<GeneralRegion> getRegions();
+
+    /**
+     * Get all regions (readonly)
+     *
+     * @return Unmodifiable collection of all regions
+     */
+    Collection<GeneralRegion> getRegionsRef();
+
+    /**
+     * Get a list of names of all buy regions.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getBuyNames();
+
+    /**
+     * Get a list of names of all rent regions.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getRentNames();
+
+    /**
+     * Get a list of names of all regions.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getRegionNames();
+
+    /**
+     * Get a list of names of all groups.
+     *
+     * @return A String list with all the names
+     */
+    List<String> getGroupNames();
+
+    /**
+     * Add a region to the list and mark it as to-be-saved.
+     *
+     * @param region Then region to add
+     * @return true when successful, otherwise false (denied by an event listener)
+     */
+    AddingRegionEvent addRegion(GeneralRegion region);
+
+    /**
+     * Add a region to the list without saving it to disk (useful for loading at startup).
+     *
+     * @param region The region to add
+     * @return true when successful, otherwise false (denied by an event listener)
+     */
+    AddingRegionEvent addRegionNoSave(GeneralRegion region);
+
+    /**
+     * Mark all RegionGroups that they should regenerate regions.
+     */
+    void markGroupsAutoDirty();
+
+    /**
+     * Add a RegionGroup.
+     *
+     * @param group The RegionGroup to add
+     */
+    void addGroup(RegionGroup group);
+
+    /**
+     * Check if a player can add a certain region as rent or buy region.
+     *
+     * @param sender The player/console that wants to add a region
+     * @param region The WorldGuard region to add
+     * @param world  The world the ProtectedRegion is located in
+     * @param type   The type the region should have in AreaShop
+     * @return The result if a player would want to add this region
+     */
+    AddResult checkRegionAdd(CommandSender sender,
+                             ProtectedRegion region,
+                             World world,
+                             GeneralRegion.RegionType type);
+
+    /**
+     * Remove a region from the list.
+     *
+     * @param region        The region to remove
+     * @param giveMoneyBack use true to give money back to the player if someone is currently holding this region, otherwise false
+     * @return true if the region has been removed, false otherwise
+     */
+    DeletingRegionEvent deleteRegion(GeneralRegion region, boolean giveMoneyBack);
+
+    /**
+     * Remove a group.
+     *
+     * @param group Group to remove
+     */
+    void removeGroup(RegionGroup group);
+
+    /**
+     * Update all signs that need periodic updating.
+     */
+    void performPeriodicSignUpdate();
+
+    /**
+     * Send out rent expire warnings.
+     */
+    void sendRentExpireWarnings();
+
+    /**
+     * Update regions in a task to minimize lag.
+     *
+     * @param regions              Regions to update
+     * @param confirmationReceiver The CommandSender that should be notified at completion
+     */
+    void updateRegions(Collection<GeneralRegion> regions, CommandSender confirmationReceiver);
+
+    /**
+     * Update a list of regions.
+     *
+     * @param regions The list of regions to update.
+     */
+    void updateRegions(Collection<GeneralRegion> regions);
+
+    /**
+     * Update all regions, happens in a task to minimize lag.
+     */
+    void updateAllRegions();
+
+    /**
+     * Update all regions.
+     *
+     * @param confirmationReceiver Optional CommandSender that should receive progress messages
+     */
+    void updateAllRegions(CommandSender confirmationReceiver);
+
+    /**
+     * Save the group file to disk.
+     */
+    void saveGroupsIsRequired();
+
+    /**
+     * Check if saving the groups file is required.
+     *
+     * @return true if changes are made and saving is required, otherwise false
+     */
+    boolean isSaveGroupsRequired();
+
+    /**
+     * Save the groups file to disk synchronously.
+     */
+    void saveGroupsNow();
+
+    /**
+     * Save all region related files spread over time (low load).
+     */
+    void saveRequiredFiles();
+
+    /**
+     * Save all region related files directly (only for cases like onDisable()).
+     */
+    void saveRequiredFilesAtOnce();
+
+    /**
+     * Indicates that a/multiple WorldGuard regions need to be saved.
+     *
+     * @param worldName The world where the regions that should be saved is in
+     */
+    void saveIsRequiredForRegionWorld(String worldName);
+
+    /**
+     * Save all worldGuard regions that need saving.
+     */
+    void saveWorldGuardRegions();
+
+    /**
+     * Get the folder the region files are located in.
+     *
+     * @return The folder where the region.yml files are in
+     */
+    String getRegionFolder();
+
+    /**
+     * Check if a region is on the adding blacklist.
+     *
+     * @param region The region name to check
+     * @return true if the region may not be added, otherwise false
+     */
+    boolean isBlacklisted(String region);
+
+    /**
+     * Unrent regions that have no time left, regions to check per tick is in the config.
+     */
+    void checkRents();
+
+    /**
+     * Check all regions and unrent/sell them if the player is inactive for too long.
+     */
+    void checkForInactiveRegions();
+
+    /**
+     * Load the file with the versions, used to check if the other files need conversion.
+     */
+    @SuppressWarnings("unchecked")
+    void loadVersions();
+
+    /**
+     * Save the versions file to disk.
+     */
+    void saveVersions();
+
+    /**
+     * Load all files from disk.
+     *
+     * @param thisTick Load files in the current tick or a tick later
+     * @return true if the files are loaded correctly, otherwise false
+     */
+    boolean loadFiles(boolean thisTick);
+
+    /**
+     * Load the default.yml file
+     *
+     * @return true if it has been loaded successfully, otherwise false
+     */
+    boolean loadDefaultFile();
+
+    /**
+     * Load the default.yml file
+     *
+     * @return true if it has been loaded successfully, otherwise false
+     */
+    boolean loadConfigFile();
+
+    /**
+     * Load the groups.yml file from disk
+     *
+     * @return true if succeeded, otherwise false
+     */
+    boolean loadGroupsFile();
+
+    /**
+     * Load all region files.
+     */
+    void loadRegionFiles();
+
+    /**
+     * Get the settings of a group.
+     *
+     * @param groupName Name of the group to get the settings from
+     * @return The settings of the group
+     */
+    ConfigurationSection getGroupSettings(String groupName);
+
+    /**
+     * Set a setting for a group.
+     *
+     * @param group   The group to set it for
+     * @param path    The path to set
+     * @param setting The value to set
+     */
+    void setGroupSetting(RegionGroup group, String path, Object setting);
+
+    // Enum for region types
+    public enum AddResult {
+        BLACKLISTED("blacklisted"),
+        NOPERMISSION("nopermission"),
+        ALREADYADDED("alreadyadded"),
+        ALREADYADDEDOTHERWORLD("alreadyaddedotherworld"),
+        SUCCESS("success");
+
+        private final String value;
+
+        AddResult(String value) {
+            this.value = value;
+        }
+
+        public String getValue() {
+            return value;
+        }
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/managers/Manager.java

@@ -1,11 +1,7 @@
 package me.wiefferink.areashop.managers;
 
-import me.wiefferink.areashop.AreaShop;
-
 public abstract class Manager {
 
-	final AreaShop plugin = AreaShop.getInstance();
-
 	/**
 	 * Called at shutdown of the plugin.
 	 */

AreaShop/src/main/java/me/wiefferink/areashop/managers/SignErrorLogger.java

@@ -0,0 +1,79 @@
+package me.wiefferink.areashop.managers;
+
+import me.wiefferink.areashop.AreaShop;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.nio.charset.StandardCharsets;
+import java.sql.Date;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.time.Instant;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Objects;
+import java.util.StringJoiner;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class SignErrorLogger {
+
+    public static final String PREFIX_WARN = "[Warning] [Sign Feature] ";
+    public static final DateFormat FORMAT = new SimpleDateFormat("MM/dd/yy HH:mm:ss");
+
+    private final List<String> cache = new LinkedList<>();
+    private final AtomicBoolean needsSaving = new AtomicBoolean(false);
+
+    private final File file;
+
+    public SignErrorLogger(File file) {
+        this.file = Objects.requireNonNull(file);
+    }
+
+    public void clearCache() {
+        synchronized (this.cache) {
+            this.cache.clear();
+        }
+    }
+
+    public SignErrorLogger submitWarning(String message) {
+        final String actual = FORMAT.format(Date.from(Instant.now())) + PREFIX_WARN + message;
+        synchronized (this.cache) {
+            this.cache.add(actual);
+        }
+        return this;
+    }
+
+    public void queueSave() {
+        this.needsSaving.set(true);
+    }
+
+    public void saveIfDirty() {
+        if (this.needsSaving.get()) {
+            save();
+        }
+    }
+
+    public synchronized void save() {
+        AreaShop.debugTask("[Sign Feature] Dumping sign errors to disk...");
+        final String[] copy;
+        synchronized (this.cache) {
+            copy = cache.toArray(new String[0]);
+        }
+        final StringJoiner joiner = new StringJoiner(System.lineSeparator());
+        for (String s : copy) {
+            joiner.add(s);
+        }
+        try (OutputStream os = new FileOutputStream(file);
+             OutputStreamWriter writer = new OutputStreamWriter(os, StandardCharsets.UTF_8)) {
+            writer.write(joiner.toString());
+        } catch (IOException ex) {
+            ex.printStackTrace();
+            AreaShop.error("Failed to update the sign error log!");
+        } finally {
+            AreaShop.debugTask("[Sign Feature] Error dump complete.");
+        }
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/managers/SignLinkerManager.java

@@ -1,9 +1,14 @@
 package me.wiefferink.areashop.managers;
 
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
+import me.wiefferink.areashop.features.signs.SignManager;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.tools.Materials;
+import me.wiefferink.areashop.tools.SignUtils;
 import me.wiefferink.areashop.tools.Utils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -18,21 +23,29 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
-import org.bukkit.material.Sign;
 import org.bukkit.util.BlockIterator;
 
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
 
+@Singleton
 public class SignLinkerManager extends Manager implements Listener {
 	private final Map<UUID, SignLinker> signLinkers;
 	private boolean eventsRegistered;
 
-	public SignLinkerManager() {
+	@Inject
+	private AreaShop plugin;
+	@Inject
+	private SignManager signManager;
+	@Inject
+	private MessageBridge messageBridge;
+
+	SignLinkerManager() {
 		signLinkers = new HashMap<>();
 		eventsRegistered = false;
 	}
@@ -51,8 +64,8 @@ public class SignLinkerManager extends Manager implements Listener {
 	 */
 	public void enterSignLinkMode(Player player, String profile) {
 		signLinkers.put(player.getUniqueId(), new SignLinker(player, profile));
-		plugin.message(player, "linksigns-first");
-		plugin.message(player, "linksigns-next");
+		messageBridge.message(player, "linksigns-first");
+		messageBridge.message(player, "linksigns-next");
 		if(!eventsRegistered) {
 			eventsRegistered = true;
 			plugin.getServer().getPluginManager().registerEvents(this, plugin);
@@ -69,7 +82,7 @@ public class SignLinkerManager extends Manager implements Listener {
 			eventsRegistered = false;
 			HandlerList.unregisterAll(this);
 		}
-		plugin.message(player, "linksigns-stopped");
+		messageBridge.message(player, "linksigns-stopped");
 	}
 
 	/**
@@ -105,13 +118,13 @@ public class SignLinkerManager extends Manager implements Listener {
 						for(GeneralRegion region : regions) {
 							names.add(region.getName());
 						}
-						plugin.message(player, "linksigns-multipleRegions", Utils.createCommaSeparatedList(names));
-						plugin.message(player, "linksigns-multipleRegionsAdvice");
+						messageBridge.message(player, "linksigns-multipleRegions", Utils.createCommaSeparatedList(names));
+						messageBridge.message(player, "linksigns-multipleRegionsAdvice");
 						return;
 					}
 				}
 				// No regions found within the maximum range
-				plugin.message(player, "linksigns-noRegions");
+				messageBridge.message(player, "linksigns-noRegions");
 			} else if(event.getAction() == Action.LEFT_CLICK_AIR || event.getAction() == Action.LEFT_CLICK_BLOCK) {
 				Block block = null;
 				BlockIterator blockIterator = new BlockIterator(player, 100);
@@ -122,17 +135,17 @@ public class SignLinkerManager extends Manager implements Listener {
 					}
 				}
 				if(block == null || !Materials.isSign(block.getType())) {
-					plugin.message(player, "linksigns-noSign");
+					messageBridge.message(player, "linksigns-noSign");
 					return;
 				}
 
-				RegionSign regionSign = SignsFeature.getSignByLocation(block.getLocation());
-				if(regionSign != null) {
-					plugin.message(player, "linksigns-alreadyRegistered", regionSign.getRegion());
+				Optional<RegionSign> optional = signManager.signFromLocation(block.getLocation());
+				if(optional.isPresent()) {
+					RegionSign regionSign = optional.get();
+					messageBridge.message(player, "linksigns-alreadyRegistered", regionSign.getRegion());
 					return;
 				}
-				Sign sign = (Sign)block.getState().getData();
-				linker.setSign(block.getLocation(), block.getType(), sign.getFacing());
+				linker.setSign(block.getLocation(), block.getType(), SignUtils.getSignFacing(block));
 			}
 		}
 	}
@@ -171,7 +184,7 @@ public class SignLinkerManager extends Manager implements Listener {
 			this.region = region;
 			hasRegion = true;
 			if(!isComplete()) {
-				plugin.message(linker, "linksigns-regionFound", region);
+				messageBridge.message(linker, "linksigns-regionFound", region);
 			}
 			finish();
 		}
@@ -182,7 +195,7 @@ public class SignLinkerManager extends Manager implements Listener {
 			this.facing = facing;
 			hasSign = true;
 			if(!isComplete()) {
-				plugin.message(linker, "linksigns-signFound", location.getBlockX(), location.getBlockY(), location.getBlockZ());
+				messageBridge.message(linker, "linksigns-signFound", location.getBlockX(), location.getBlockY(), location.getBlockZ());
 			}
 			finish();
 		}
@@ -191,14 +204,14 @@ public class SignLinkerManager extends Manager implements Listener {
 			if(isComplete()) {
 				region.getSignsFeature().addSign(location, type, facing, profile);
 				if(profile == null) {
-					plugin.message(linker, "addsign-success", region);
+					messageBridge.message(linker, "addsign-success", region);
 				} else {
-					plugin.message(linker, "addsign-successProfile", region, profile);
+					messageBridge.message(linker, "addsign-successProfile", region, profile);
 				}
 				region.update();
 				reset();
 
-				plugin.message(linker, "linksigns-next");
+				messageBridge.message(linker, "linksigns-next");
 			}
 		}
 

AreaShop/src/main/java/me/wiefferink/areashop/modules/AreaShopModule.java

@@ -0,0 +1,76 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Singleton;
+import com.google.inject.assistedinject.FactoryModuleBuilder;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.features.FeatureFactory;
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.features.signs.SignsModule;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.CommandManager;
+import me.wiefferink.areashop.managers.FeatureManager;
+import me.wiefferink.areashop.managers.FileManager;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.managers.SignErrorLogger;
+import me.wiefferink.areashop.managers.SignLinkerManager;
+import me.wiefferink.areashop.platform.adapter.PlatformAdapter;
+import me.wiefferink.areashop.regions.ImportJobFactory;
+import me.wiefferink.areashop.regions.RegionModule;
+import me.wiefferink.areashop.tools.Utils;
+import org.bukkit.plugin.Plugin;
+
+import javax.annotation.Nonnull;
+import java.util.Arrays;
+
+public class AreaShopModule extends AbstractModule {
+
+    private final AreaShop instance;
+    private final WorldGuardInterface worldGuardInterface;
+    private final WorldEditInterface worldEditInterface;
+    private final PlatformAdapter platformAdapter;
+    private final MessageBridge messageBridge;
+    private final SignErrorLogger signErrorLogger;
+    private final AbstractModule[] extras;
+
+    public AreaShopModule(@Nonnull AreaShop instance,
+                          @Nonnull MessageBridge messageBridge,
+                          @Nonnull PlatformAdapter platformAdapter,
+                          @Nonnull WorldEditInterface worldEditInterface,
+                          @Nonnull WorldGuardInterface worldGuardInterface,
+                          @Nonnull SignErrorLogger signErrorLogger,
+                          @Nonnull AbstractModule... extras
+    ) {
+        this.instance = instance;
+        this.messageBridge = messageBridge;
+        this.platformAdapter = platformAdapter;
+        this.signErrorLogger = signErrorLogger;
+        this.worldEditInterface = worldEditInterface;
+        this.worldGuardInterface = worldGuardInterface;
+        this.extras = extras;
+    }
+
+    @Override
+    protected void configure() {
+        Arrays.stream(this.extras).forEach(this::install);
+        bind(Plugin.class).toInstance(this.instance);
+        bind(AreaShop.class).toInstance(this.instance);
+        bind(MessageBridge.class).toInstance(this.messageBridge);
+        bind(WorldGuardInterface.class).toInstance(this.worldGuardInterface);
+        bind(SignManager.class).asEagerSingleton();
+        bind(WorldEditInterface.class).toInstance(this.worldEditInterface);
+        bind(SignErrorLogger.class).toInstance(this.signErrorLogger);
+        // Setup managers
+        bind(IFileManager.class).to(FileManager.class).asEagerSingleton();
+        bind(FeatureManager.class).in(Singleton.class);
+        bind(CommandManager.class).in(Singleton.class);
+        bind(SignLinkerManager.class).in(Singleton.class);
+        install(new SignsModule());
+        install(new RegionModule());
+        install(new FactoryModuleBuilder().build(FeatureFactory.class));
+        install(new FactoryModuleBuilder().build(ImportJobFactory.class));
+        requestStaticInjection(Utils.class);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/modules/BukkitModule.java

@@ -0,0 +1,34 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import org.bukkit.Server;
+import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.inventory.ItemFactory;
+import org.bukkit.plugin.PluginManager;
+import org.bukkit.plugin.ServicesManager;
+import org.bukkit.scheduler.BukkitScheduler;
+import org.bukkit.scoreboard.ScoreboardManager;
+
+import javax.annotation.Nonnull;
+
+public class BukkitModule extends AbstractModule {
+
+    private final Server server;
+
+    public BukkitModule(@Nonnull Server server) {
+        this.server = server;
+    }
+
+    @Override
+    protected void configure() {
+        bind(Server.class).toInstance(this.server);
+        bind(PluginManager.class).toInstance(this.server.getPluginManager());
+        bind(BukkitScheduler.class).toInstance(this.server.getScheduler());
+        bind(PluginManager.class).toInstance(this.server.getPluginManager());
+        bind(ServicesManager.class).toInstance(this.server.getServicesManager());
+        bind(ItemFactory.class).toInstance(this.server.getItemFactory());
+        bind(ConsoleCommandSender.class).toInstance(this.server.getConsoleSender());
+        bind(ScoreboardManager.class).toInstance(this.server.getScoreboardManager());
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/modules/DependencyModule.java

@@ -0,0 +1,37 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import com.sk89q.worldedit.bukkit.WorldEditPlugin;
+import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
+import net.milkbowl.vault.economy.Economy;
+import net.milkbowl.vault.permission.Permission;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+public class DependencyModule extends AbstractModule {
+
+    private final WorldEditPlugin worldEditPlugin;
+    private final WorldGuardPlugin worldGuardPlugin;
+    private final Economy economy;
+    private final Permission permission;
+
+   public DependencyModule(@Nonnull WorldEditPlugin worldEditPlugin,
+                           @Nonnull WorldGuardPlugin worldGuardPlugin,
+                           @Nullable Economy economy,
+                           @Nullable Permission permission
+   ) {
+       this.worldEditPlugin = worldEditPlugin;
+       this.worldGuardPlugin = worldGuardPlugin;
+       this.economy = economy;
+       this.permission = permission;
+   }
+
+    @Override
+    protected void configure() {
+        bind(WorldEditPlugin.class).toInstance(this.worldEditPlugin);
+        bind(WorldGuardPlugin.class).toInstance(this.worldGuardPlugin);
+        bind(Economy.class).toInstance(this.economy);
+        bind(Permission.class).toInstance(this.permission);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/modules/PlatformModule.java

@@ -0,0 +1,29 @@
+package me.wiefferink.areashop.modules;
+
+import com.google.inject.AbstractModule;
+import me.wiefferink.areashop.adapters.platform.MinecraftPlatform;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import me.wiefferink.areashop.platform.adapter.BlockBehaviourHelper;
+import me.wiefferink.areashop.platform.adapter.PlatformAdapter;
+import me.wiefferink.areashop.tools.BukkitSchedulerExecutor;
+import org.jetbrains.annotations.NotNull;
+
+public class PlatformModule extends AbstractModule {
+
+    private final MinecraftPlatform minecraftPlatform;
+    private final PlatformAdapter platformAdapter;
+
+    public PlatformModule(@NotNull MinecraftPlatform platform,
+                          @NotNull PlatformAdapter platformAdapter) {
+        this.minecraftPlatform = platform;
+        this.platformAdapter = platformAdapter;
+    }
+    @Override
+    protected void configure() {
+        bind(MinecraftPlatform.class).toInstance(this.minecraftPlatform);
+        bind(OfflinePlayerHelper.class).toInstance(this.minecraftPlatform.offlinePlayerHelper());
+        bind(PlatformAdapter.class).toInstance(this.platformAdapter);
+        bind(BlockBehaviourHelper.class).toInstance(this.platformAdapter.blockBehaviourHelper());
+        bind(BukkitSchedulerExecutor.class).asEagerSingleton();
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/BuyRegion.java

@@ -1,5 +1,7 @@
 package me.wiefferink.areashop.regions;
 
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.ask.BuyingRegionEvent;
 import me.wiefferink.areashop.events.ask.ResellingRegionEvent;
@@ -7,7 +9,11 @@ import me.wiefferink.areashop.events.ask.SellingRegionEvent;
 import me.wiefferink.areashop.events.notify.BoughtRegionEvent;
 import me.wiefferink.areashop.events.notify.ResoldRegionEvent;
 import me.wiefferink.areashop.events.notify.SoldRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.FeatureManager;
 import me.wiefferink.areashop.tools.Utils;
+import net.milkbowl.vault.economy.Economy;
 import net.milkbowl.vault.economy.EconomyResponse;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
@@ -16,17 +22,55 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import java.util.Calendar;
 import java.util.UUID;
 
 public class BuyRegion extends GeneralRegion {
 
-	public BuyRegion(YamlConfiguration config) {
-		super(config);
+	private final Economy economy;
+	
+	@AssistedInject
+	BuyRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull YamlConfiguration config
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, config);
+		this.economy = economy;
 	}
 
-	public BuyRegion(String name, World world) {
-		super(name, world);
+	@AssistedInject
+	BuyRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull String name,
+			@Assisted @Nonnull World world
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, name, world);
+		this.economy = economy;
+	}
+
+	@Override
+	public boolean isOwner(UUID player) {
+		return isBuyer(player);
+	}
+
+	@Override
+	public UUID getOwner() {
+		return getBuyer();
+	}
+
+	@Override
+	public void setOwner(UUID player) {
+		setBuyer(player);
 	}
 
 	@Override
@@ -208,31 +252,20 @@ public class BuyRegion extends GeneralRegion {
 
 	@Override
 	public Object provideReplacement(String variable) {
-		switch(variable) {
-			case AreaShop.tagPrice:
-				return getFormattedPrice();
-			case AreaShop.tagRawPrice:
-				return getPrice();
-			case AreaShop.tagPlayerName:
-				return getPlayerName();
-			case AreaShop.tagPlayerUUID:
-				return getBuyer();
-			case AreaShop.tagResellPrice:
-				return getFormattedResellPrice();
-			case AreaShop.tagRawResellPrice:
-				return getResellPrice();
-			case AreaShop.tagMoneyBackAmount:
-				return getFormattedMoneyBackAmount();
-			case AreaShop.tagRawMoneyBackAmount:
-				return getMoneyBackAmount();
-			case AreaShop.tagMoneyBackPercentage:
-				return getMoneyBackPercentage() % 1.0 == 0.0 ? (int)getMoneyBackPercentage() : getMoneyBackPercentage();
-			case AreaShop.tagMaxInactiveTime:
-				return this.getFormattedInactiveTimeUntilSell();
-
-			default:
-				return super.provideReplacement(variable);
-		}
+        return switch (variable) {
+            case AreaShop.tagPrice -> getFormattedPrice();
+            case AreaShop.tagRawPrice -> getPrice();
+            case AreaShop.tagPlayerName -> getPlayerName();
+            case AreaShop.tagPlayerUUID -> getBuyer();
+            case AreaShop.tagResellPrice -> getFormattedResellPrice();
+            case AreaShop.tagRawResellPrice -> getResellPrice();
+            case AreaShop.tagMoneyBackAmount -> getFormattedMoneyBackAmount();
+            case AreaShop.tagRawMoneyBackAmount -> getMoneyBackAmount();
+            case AreaShop.tagMoneyBackPercentage ->
+                    getMoneyBackPercentage() % 1.0 == 0.0 ? (int) getMoneyBackPercentage() : getMoneyBackPercentage();
+            case AreaShop.tagMaxInactiveTime -> this.getFormattedInactiveTimeUntilSell();
+            default -> super.provideReplacement(variable);
+        };
 	}
 
 	/**
@@ -259,189 +292,188 @@ public class BuyRegion extends GeneralRegion {
 	@SuppressWarnings("deprecation")
 	public boolean buy(OfflinePlayer offlinePlayer) {
 		// Check if the player has permission
-		if(plugin.hasPermission(offlinePlayer, "areashop.buy")) {
-			if(plugin.getEconomy() == null) {
-				message(offlinePlayer, "general-noEconomy");
+		if(!plugin.hasPermission(offlinePlayer, "areashop.buy")) {
+			message(offlinePlayer, "buy-noPermission");
+			return false;
+		}
+
+		if(economy == null) {
+			message(offlinePlayer, "general-noEconomy");
+			return false;
+		}
+
+		if(isInResellingMode()) {
+			if(!plugin.hasPermission(offlinePlayer, "areashop.buyresell")) {
+				message(offlinePlayer, "buy-noPermissionResell");
 				return false;
 			}
-			if(isInResellingMode()) {
-				if(!plugin.hasPermission(offlinePlayer, "areashop.buyresell")) {
-					message(offlinePlayer, "buy-noPermissionResell");
-					return false;
-				}
-			} else {
-				if(!plugin.hasPermission(offlinePlayer, "areashop.buynormal")) {
-					message(offlinePlayer, "buy-noPermissionNoResell");
-					return false;
-				}
-			}
-			if(getWorld() == null) {
-				message(offlinePlayer, "general-noWorld");
-				return false;
-			}
-			if(getRegion() == null) {
-				message(offlinePlayer, "general-noRegion");
-				return false;
-			}
-			if(!isSold() || (isInResellingMode() && !isBuyer(offlinePlayer))) {
-				boolean isResell = isInResellingMode();
-
-				// Only relevant if the player is online
-				Player player = offlinePlayer.getPlayer();
-				if(player != null) {
-					// Check if the players needs to be in the region for buying
-					if(restrictedToRegion() && (!player.getWorld().getName().equals(getWorldName())
-							|| !getRegion().contains(player.getLocation().getBlockX(), player.getLocation().getBlockY(), player.getLocation().getBlockZ()))) {
-						message(offlinePlayer, "buy-restrictedToRegion");
-						return false;
-					}
-					// Check if the players needs to be in the world for buying
-					if(restrictedToWorld() && !player.getWorld().getName().equals(getWorldName())) {
-						message(offlinePlayer, "buy-restrictedToWorld", player.getWorld().getName());
-						return false;
-					}
-				}
-
-				// Check region limits
-				LimitResult limitResult = this.limitsAllow(RegionType.BUY, offlinePlayer);
-				AreaShop.debug("LimitResult: " + limitResult.toString());
-				if(!limitResult.actionAllowed()) {
-					if(limitResult.getLimitingFactor() == LimitType.TOTAL) {
-						message(offlinePlayer, "total-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
-						return false;
-					}
-					if(limitResult.getLimitingFactor() == LimitType.BUYS) {
-						message(offlinePlayer, "buy-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
-						return false;
-					}
-					// Should not be reached, but is safe like this
-					return false;
-				}
-
-				// Check if the player has enough money
-				if((!isResell && plugin.getEconomy().has(offlinePlayer, getWorldName(), getPrice())) || (isResell && plugin.getEconomy().has(offlinePlayer, getWorldName(), getResellPrice()))) {
-					UUID oldOwner = getBuyer();
-					if(isResell && oldOwner != null) {
-						// Broadcast and check event
-						ResellingRegionEvent event = new ResellingRegionEvent(this, offlinePlayer);
-						Bukkit.getPluginManager().callEvent(event);
-						if(event.isCancelled()) {
-							message(offlinePlayer, "general-cancelled", event.getReason());
-							return false;
-						}
-
-						getFriendsFeature().clearFriends();
-						double resellPrice = getResellPrice();
-						// Transfer the money to the previous owner
-						EconomyResponse r = plugin.getEconomy().withdrawPlayer(offlinePlayer, getWorldName(), getResellPrice());
-						if(!r.transactionSuccess()) {
-							message(offlinePlayer, "buy-payError");
-							AreaShop.debug("Something went wrong with getting money from " + offlinePlayer.getName() + " while buying " + getName() + ": " + r.errorMessage);
-							return false;
-						}
-						r = null;
-						OfflinePlayer oldOwnerPlayer = Bukkit.getOfflinePlayer(oldOwner);
-						String oldOwnerName = getPlayerName();
-						if(oldOwnerPlayer != null && oldOwnerPlayer.getName() != null) {
-							r = plugin.getEconomy().depositPlayer(oldOwnerPlayer, getWorldName(), getResellPrice());
-							oldOwnerName = oldOwnerPlayer.getName();
-						} else if(oldOwnerName != null) {
-							r = plugin.getEconomy().depositPlayer(oldOwnerName, getWorldName(), getResellPrice());
-						}
-						if(r == null || !r.transactionSuccess()) {
-							AreaShop.warn("Something went wrong with paying '" + oldOwnerName + "' " + getFormattedPrice() + " for his resell of region " + getName() + " to " + offlinePlayer.getName());
-						}
-						// Resell is done, disable that now
-						disableReselling();
-						// Run commands
-						this.runEventCommands(RegionEvent.RESELL, true);
-						// Set the owner
-						setBuyer(offlinePlayer.getUniqueId());
-						updateLastActiveTime();
-
-						// Update everything
-						handleSchematicEvent(RegionEvent.RESELL);
-
-						// Notify about updates
-						this.notifyAndUpdate(new ResoldRegionEvent(this, oldOwner));
-
-						// Send message to the player
-						message(offlinePlayer, "buy-successResale", oldOwnerName);
-						Player seller = Bukkit.getPlayer(oldOwner);
-						if(seller != null) {
-							message(seller, "buy-successSeller", resellPrice);
-						}
-						// Run commands
-						this.runEventCommands(RegionEvent.RESELL, false);
-					} else {
-						// Broadcast and check event
-						BuyingRegionEvent event = new BuyingRegionEvent(this, offlinePlayer);
-						Bukkit.getPluginManager().callEvent(event);
-						if(event.isCancelled()) {
-							message(offlinePlayer, "general-cancelled", event.getReason());
-							return false;
-						}
-
-						// Substract the money from the players balance
-						EconomyResponse r = plugin.getEconomy().withdrawPlayer(offlinePlayer, getWorldName(), getPrice());
-						if(!r.transactionSuccess()) {
-							message(offlinePlayer, "buy-payError");
-							return false;
-						}
-						// Optionally give money to the landlord
-						OfflinePlayer landlordPlayer = null;
-						if(getLandlord() != null) {
-							landlordPlayer = Bukkit.getOfflinePlayer(getLandlord());
-						}
-						String landlordName = getLandlordName();
-						if(landlordName != null) {
-							if(landlordPlayer != null && landlordPlayer.getName() != null) {
-								r = plugin.getEconomy().depositPlayer(landlordPlayer, getWorldName(), getPrice());
-							} else {
-								r = plugin.getEconomy().depositPlayer(landlordName, getWorldName(), getPrice());
-							}
-							if(r != null && !r.transactionSuccess()) {
-								AreaShop.warn("Something went wrong with paying '" + landlordName + "' " + getFormattedPrice() + " for his sell of region " + getName() + " to " + offlinePlayer.getName());
-							}
-						}
-
-						// Run commands
-						this.runEventCommands(RegionEvent.BOUGHT, true);
-						// Set the owner
-						setBuyer(offlinePlayer.getUniqueId());
-						updateLastActiveTime();
-
-						// Notify about updates
-						this.notifyAndUpdate(new BoughtRegionEvent(this));
-
-						// Update everything
-						handleSchematicEvent(RegionEvent.BOUGHT);
-
-						// Send message to the player
-						message(offlinePlayer, "buy-succes");
-						// Run commands
-						this.runEventCommands(RegionEvent.BOUGHT, false);
-					}
-					return true;
-				} else {
-					// Player has not enough money
-					if(isResell) {
-						message(offlinePlayer, "buy-lowMoneyResell", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
-					} else {
-						message(offlinePlayer, "buy-lowMoney", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
-					}
-				}
-			} else {
-				if(isBuyer(offlinePlayer)) {
-					message(offlinePlayer, "buy-yours");
-				} else {
-					message(offlinePlayer, "buy-someoneElse");
-				}
-			}
 		} else {
-			message(offlinePlayer, "buy-noPermission");
+			if(!plugin.hasPermission(offlinePlayer, "areashop.buynormal")) {
+				message(offlinePlayer, "buy-noPermissionNoResell");
+				return false;
+			}
 		}
-		return false;
+
+		if(getWorld() == null) {
+			message(offlinePlayer, "general-noWorld");
+			return false;
+		}
+
+		if(getRegion() == null) {
+			message(offlinePlayer, "general-noRegion");
+			return false;
+		}
+
+		if (isSold() && !(isInResellingMode() && !isBuyer(offlinePlayer))) {
+			if(isBuyer(offlinePlayer)) {
+				message(offlinePlayer, "buy-yours");
+			} else {
+				message(offlinePlayer, "buy-someoneElse");
+			}
+			return false;
+		}
+
+		boolean isResell = isInResellingMode();
+
+		// Only relevant if the player is online
+		Player player = offlinePlayer.getPlayer();
+		if(player != null) {
+			// Check if the players needs to be in the region for buying
+			if(restrictedToRegion() && (!player.getWorld().getName().equals(getWorldName())
+					|| !getRegion().contains(player.getLocation().getBlockX(), player.getLocation().getBlockY(), player.getLocation().getBlockZ()))) {
+				message(offlinePlayer, "buy-restrictedToRegion");
+				return false;
+			}
+			// Check if the players needs to be in the world for buying
+			if(restrictedToWorld() && !player.getWorld().getName().equals(getWorldName())) {
+				message(offlinePlayer, "buy-restrictedToWorld", player.getWorld().getName());
+				return false;
+			}
+		}
+
+		// Check region limits
+		LimitResult limitResult = this.limitsAllow(RegionType.BUY, offlinePlayer);
+		AreaShop.debug("LimitResult: " + limitResult.toString());
+		if(!limitResult.actionAllowed()) {
+			if(limitResult.getLimitingFactor() == LimitType.TOTAL) {
+				message(offlinePlayer, "total-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
+				return false;
+			}
+			if(limitResult.getLimitingFactor() == LimitType.BUYS) {
+				message(offlinePlayer, "buy-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
+				return false;
+			}
+			// Should not be reached, but is safe like this
+			return false;
+		}
+
+		// Check if the player has enough money
+		if (isResell && !economy.has(offlinePlayer, getWorldName(), getResellPrice())) {
+			message(offlinePlayer, "buy-lowMoneyResell", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
+			return false;
+		}
+		if (!isResell && !economy.has(offlinePlayer, getWorldName(), getPrice())) {
+			message(offlinePlayer, "buy-lowMoney", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
+			return false;
+		}
+
+		UUID oldOwner = getBuyer();
+		if(isResell && oldOwner != null) {
+			// Broadcast and check event
+			ResellingRegionEvent event = new ResellingRegionEvent(this, offlinePlayer);
+			Bukkit.getPluginManager().callEvent(event);
+			if(event.isCancelled()) {
+				message(offlinePlayer, "general-cancelled", event.getReason());
+				return false;
+			}
+
+			getFriendsFeature().clearFriends();
+			double resellPrice = getResellPrice();
+			// Transfer the money to the previous owner
+			EconomyResponse r = economy.withdrawPlayer(offlinePlayer, getWorldName(), getResellPrice());
+			if(!r.transactionSuccess()) {
+				message(offlinePlayer, "buy-payError");
+				AreaShop.debug("Something went wrong with getting money from " + offlinePlayer.getName() + " while buying " + getName() + ": " + r.errorMessage);
+				return false;
+			}
+			r = null;
+			OfflinePlayer oldOwnerPlayer = Bukkit.getOfflinePlayer(oldOwner);
+			String oldOwnerName = getPlayerName();
+			if(oldOwnerPlayer != null && oldOwnerPlayer.getName() != null) {
+				r = economy.depositPlayer(oldOwnerPlayer, getWorldName(), getResellPrice());
+				oldOwnerName = oldOwnerPlayer.getName();
+			} else if(oldOwnerName != null) {
+				r = economy.depositPlayer(oldOwnerName, getWorldName(), getResellPrice());
+			}
+			if(r == null || !r.transactionSuccess()) {
+				AreaShop.warn("Something went wrong with paying '" + oldOwnerName + "' " + getFormattedPrice() + " for his resell of region " + getName() + " to " + offlinePlayer.getName());
+			}
+
+			// Set the owner
+			setBuyer(offlinePlayer.getUniqueId());
+			updateLastActiveTime();
+
+			// Update everything
+			handleSchematicEvent(RegionEvent.RESELL);
+
+			// Notify about updates
+			this.notifyAndUpdate(new ResoldRegionEvent(this, oldOwner));
+
+			// Resell is done, disable that now
+			disableReselling();
+			
+			// Send message to the player
+			message(offlinePlayer, "buy-successResale", oldOwnerName);
+			Player seller = Bukkit.getPlayer(oldOwner);
+			if(seller != null) {
+				message(seller, "buy-successSeller", resellPrice);
+			}
+		} else {
+			// Broadcast and check event
+			BuyingRegionEvent event = new BuyingRegionEvent(this, offlinePlayer);
+			Bukkit.getPluginManager().callEvent(event);
+			if(event.isCancelled()) {
+				message(offlinePlayer, "general-cancelled", event.getReason());
+				return false;
+			}
+
+			// Substract the money from the players balance
+			EconomyResponse r = economy.withdrawPlayer(offlinePlayer, getWorldName(), getPrice());
+			if(!r.transactionSuccess()) {
+				message(offlinePlayer, "buy-payError");
+				return false;
+			}
+			// Optionally give money to the landlord
+			OfflinePlayer landlordPlayer = null;
+			if(getLandlord() != null) {
+				landlordPlayer = Bukkit.getOfflinePlayer(getLandlord());
+			}
+			String landlordName = getLandlordName();
+			if(landlordName != null) {
+				if(landlordPlayer != null && landlordPlayer.getName() != null) {
+					r = economy.depositPlayer(landlordPlayer, getWorldName(), getPrice());
+				} else {
+					r = economy.depositPlayer(landlordName, getWorldName(), getPrice());
+				}
+				if(r != null && !r.transactionSuccess()) {
+					AreaShop.warn("Something went wrong with paying '" + landlordName + "' " + getFormattedPrice() + " for his sell of region " + getName() + " to " + offlinePlayer.getName());
+				}
+			}
+
+			// Set the owner
+			setBuyer(offlinePlayer.getUniqueId());
+			updateLastActiveTime();
+
+			// Send message to the player
+			message(offlinePlayer, "buy-succes");
+
+			// Update everything
+			handleSchematicEvent(RegionEvent.BOUGHT);
+
+			// Notify about updates
+			this.notifyAndUpdate(new BoughtRegionEvent(this));
+		}
+		return true;
 	}
 
 	/**
@@ -452,7 +484,7 @@ public class BuyRegion extends GeneralRegion {
 	 */
 	@SuppressWarnings("deprecation")
 	public boolean sell(boolean giveMoneyBack, CommandSender executor) {
-		boolean own = executor instanceof Player && this.isBuyer((Player)executor);
+		boolean own = executor instanceof Player player && this.isBuyer(player);
 		if(executor != null) {
 			if(!executor.hasPermission("areashop.sell") && !own) {
 				message(executor, "sell-noPermissionOther");
@@ -471,7 +503,7 @@ public class BuyRegion extends GeneralRegion {
 			}
 		}
 
-		if(plugin.getEconomy() == null) {
+		if(economy == null) {
 			return false;
 		}
 
@@ -483,9 +515,6 @@ public class BuyRegion extends GeneralRegion {
 			return false;
 		}
 
-		// Run commands
-		this.runEventCommands(RegionEvent.SOLD, true);
-
 		disableReselling();
 		// Give part of the buying price back
 		double moneyBack = getMoneyBackAmount();
@@ -499,9 +528,9 @@ public class BuyRegion extends GeneralRegion {
 			EconomyResponse r;
 			if(landlordName != null) {
 				if(landlordPlayer != null && landlordPlayer.getName() != null) {
-					r = plugin.getEconomy().withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
 				} else {
-					r = plugin.getEconomy().withdrawPlayer(landlordName, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordName, getWorldName(), moneyBack);
 				}
 				if(r == null || !r.transactionSuccess()) {
 					noPayBack = true;
@@ -510,14 +539,14 @@ public class BuyRegion extends GeneralRegion {
 
 			// Give back the money
 			OfflinePlayer player = Bukkit.getOfflinePlayer(getBuyer());
-			if(player != null && !noPayBack) {
+			if(player.hasPlayedBefore() && !noPayBack) {
 				EconomyResponse response = null;
 				boolean error = false;
 				try {
 					if(player.getName() != null) {
-						response = plugin.getEconomy().depositPlayer(player, getWorldName(), moneyBack);
+						response = economy.depositPlayer(player, getWorldName(), moneyBack);
 					} else if(getPlayerName() != null) {
-						response = plugin.getEconomy().depositPlayer(getPlayerName(), getWorldName(), moneyBack);
+						response = economy.depositPlayer(getPlayerName(), getWorldName(), moneyBack);
 					}
 				} catch(Exception e) {
 					error = true;
@@ -528,11 +557,12 @@ public class BuyRegion extends GeneralRegion {
 			}
 		}
 
-		message(executor, "sell-sold");
-
 		// Handle schematic save/restore (while %uuid% is still available)
 		handleSchematicEvent(RegionEvent.SOLD);
 
+		// Send message: before actual removal of the buyer so that it is still available for variables
+		message(executor, "sell-sold");
+
 		// Remove friends and the owner
 		getFriendsFeature().clearFriends();
 		UUID oldBuyer = getBuyer();
@@ -541,9 +571,6 @@ public class BuyRegion extends GeneralRegion {
 
 		// Notify about updates
 		this.notifyAndUpdate(new SoldRegionEvent(this, oldBuyer, Math.max(moneyBack, 0)));
-
-		// Run commands
-		this.runEventCommands(RegionEvent.SOLD, false);
 		return true;
 	}
 

AreaShop/src/main/java/me/wiefferink/areashop/regions/GeneralRegion.java

@@ -10,7 +10,11 @@ import me.wiefferink.areashop.features.RegionFeature;
 import me.wiefferink.areashop.features.TeleportFeature;
 import me.wiefferink.areashop.features.signs.SignsFeature;
 import me.wiefferink.areashop.interfaces.GeneralRegionInterface;
-import me.wiefferink.areashop.managers.FileManager;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.FeatureManager;
+import me.wiefferink.areashop.managers.IFileManager;
+import me.wiefferink.areashop.tools.SimpleMessageBridge;
 import me.wiefferink.areashop.tools.Utils;
 import me.wiefferink.bukkitdo.Do;
 import me.wiefferink.interactivemessenger.processing.Message;
@@ -27,22 +31,32 @@ import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.util.Vector;
 
+import javax.annotation.Nonnull;
 import java.io.File;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Calendar;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 
 public abstract class GeneralRegion implements GeneralRegionInterface, Comparable<GeneralRegion>, ReplacementProvider {
-	static final AreaShop plugin = AreaShop.getInstance();
 
-	final YamlConfiguration config;
+	protected final AreaShop plugin;
+	protected final FeatureManager featureManager;
+	protected final WorldEditInterface worldEditInterface;
+	protected final WorldGuardInterface worldGuardInterface;
+
+	protected final YamlConfiguration config;
 	private boolean saveRequired = false;
 	private boolean deleted = false;
 	private long volume = -1;
@@ -146,7 +160,17 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Constructor, used to restore regions from disk at startup.
 	 * @param config The configuration of the region
 	 */
-	public GeneralRegion(YamlConfiguration config) {
+	protected GeneralRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nonnull YamlConfiguration config
+	) {
+		this.plugin = plugin;
+		this.featureManager = featureManager;
+		this.worldEditInterface = worldEditInterface;
+		this.worldGuardInterface = worldGuardInterface;
 		this.config = config;
 		setup();
 	}
@@ -156,8 +180,17 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @param name  Name of the WorldGuard region that this region is attached to
 	 * @param world The world of the WorldGuard region
 	 */
-	public GeneralRegion(String name, World world) {
-		config = new YamlConfiguration();
+	protected GeneralRegion(@Nonnull AreaShop plugin,
+							@Nonnull FeatureManager featureManager,
+							@Nonnull WorldEditInterface worldEditInterface,
+							@Nonnull WorldGuardInterface worldGuardInterface,
+							@Nonnull String name,
+							@Nonnull World world) {
+		this.config = new YamlConfiguration();
+		this.plugin = plugin;
+		this.featureManager = featureManager;
+		this.worldGuardInterface = worldGuardInterface;
+		this.worldEditInterface = worldEditInterface;
 		setSetting("general.name", name);
 		setSetting("general.world", world.getName());
 		setSetting("general.type", getType().getValue().toLowerCase());
@@ -183,15 +216,16 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	/**
 	 * Get a feature of this region.
 	 * @param clazz The class of the feature to get
-	 * @return The feature (either just instanciated or cached)
+	 * @param <T> The feature to get
+	 * @return The feature (either just instantiated or cached)
 	 */
-	public RegionFeature getFeature(Class<? extends RegionFeature> clazz) {
-		RegionFeature result = features.get(clazz);
-		if(result == null) {
-			result = plugin.getFeatureManager().getRegionFeature(this, clazz);
-			features.put(clazz, result);
-		}
-		return result;
+	public <T extends RegionFeature> T getOrCreateFeature(Class<T> clazz) {
+		RegionFeature result = features.computeIfAbsent(clazz, x -> featureManager.getRegionFeature(this, clazz));
+		return clazz.cast(result);
+	}
+
+	public <T extends RegionFeature> Optional<T> getFeature(Class<T> clazz) {
+		return Optional.ofNullable(clazz.cast(features.get(clazz)));
 	}
 
 	/**
@@ -199,7 +233,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return The FriendsFeature of this region
 	 */
 	public FriendsFeature getFriendsFeature() {
-		return (FriendsFeature)getFeature(FriendsFeature.class);
+		return getOrCreateFeature(FriendsFeature.class);
 	}
 
 	/**
@@ -207,7 +241,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return The SignsFeature of this region
 	 */
 	public SignsFeature getSignsFeature() {
-		return (SignsFeature)getFeature(SignsFeature.class);
+		return getOrCreateFeature(SignsFeature.class);
 	}
 
 	/**
@@ -215,7 +249,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return The TeleportFeature
 	 */
 	public TeleportFeature getTeleportFeature() {
-		return (TeleportFeature)getFeature(TeleportFeature.class);
+		return getOrCreateFeature(TeleportFeature.class);
 	}
 
 	// ABSTRACT
@@ -251,7 +285,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 
 	@Override
 	public boolean equals(Object region) {
-		return region instanceof GeneralRegion && ((GeneralRegion)region).getName().equals(getName());
+		return region instanceof GeneralRegion generalRegion && generalRegion.getName().equals(getName());
 	}
 
 	@Override
@@ -279,7 +313,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Broadcast the given event and update the region status.
 	 * @param event The update event that should be broadcasted
 	 */
-	public void notifyAndUpdate(NotifyRegionEvent event) {
+	public void notifyAndUpdate(NotifyRegionEvent<?> event) {
 		Bukkit.getPluginManager().callEvent(event);
 		update();
 	}
@@ -311,6 +345,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Get the name of the region.
 	 * @return The region name
 	 */
+	@Override
 	public String getName() {
 		return config.getString("general.name");
 	}
@@ -320,7 +355,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return The region name in lowercase
 	 */
 	public String getLowerCaseName() {
-		return getName().toLowerCase();
+		return getName().toLowerCase(Locale.ENGLISH);
 	}
 
 	/**
@@ -365,6 +400,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Get the World of the region.
 	 * @return The World where the region is located
 	 */
+	@Override
 	public World getWorld() {
 		return Bukkit.getWorld(getWorldName());
 	}
@@ -373,6 +409,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Get the name of the world where the region is located.
 	 * @return The name of the world of the region
 	 */
+	@Override
 	public String getWorldName() {
 		return getStringSetting("general.world");
 	}
@@ -381,7 +418,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Get the FileManager from the plugin.
 	 * @return The FileManager (responsible for saving/loading regions and getting them)
 	 */
-	public FileManager getFileManager() {
+	public IFileManager getFileManager() {
 		return plugin.getFileManager();
 	}
 
@@ -399,33 +436,18 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @param player Player to check ownership for
 	 * @return true if the player currently rents or buys this region
 	 */
-	public boolean isOwner(UUID player) {
-		return (this instanceof RentRegion && ((RentRegion)this).isRenter(player)) || (this instanceof BuyRegion && ((BuyRegion)this).isBuyer(player));
-	}
+	public abstract boolean isOwner(UUID player);
 
 	/**
 	 * Get the player that is currently the owner of this region (either bought or rented it).
 	 * @return The UUID of the owner of this region
 	 */
-	public UUID getOwner() {
-		if(this instanceof RentRegion) {
-			return ((RentRegion)this).getRenter();
-		} else {
-			return ((BuyRegion)this).getBuyer();
-		}
-	}
-
+	public abstract UUID getOwner();
 	/**
 	 * Change the owner of the region.
 	 * @param player The player that should be the owner
 	 */
-	public void setOwner(UUID player) {
-		if(this instanceof RentRegion) {
-			((RentRegion)this).setRenter(player);
-		} else {
-			((BuyRegion)this).setBuyer(player);
-		}
-	}
+	public abstract void setOwner(UUID player);
 
 	/**
 	 * Get the landlord of this region (the player that receives any revenue from this region).
@@ -444,7 +466,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		if(landlordName != null && !landlordName.isEmpty()) {
 			@SuppressWarnings("deprecation")
 			OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayer(landlordName);
-			if(offlinePlayer != null) {
+			if(offlinePlayer.hasPlayedBefore()) {
 				return offlinePlayer.getUniqueId();
 			}
 		}
@@ -457,7 +479,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 */
 	public String getLandlordName() {
 		String result = Utils.toName(getLandlord());
-		if(result == null || result.isEmpty()) {
+		if(result.isEmpty()) {
 			result = config.getString("general.landlordName");
 			if(result == null || result.isEmpty()) {
 				result = null;
@@ -476,7 +498,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 			setSetting("general.landlord", landlord.toString());
 		}
 		String properName = Utils.toName(landlord);
-		if(properName == null) {
+		if(properName.isBlank()) {
 			properName = name;
 		}
 		setSetting("general.landlordName", properName);
@@ -496,13 +518,15 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return true if the player is the landlord, otherwise false
 	 */
 	public boolean isLandlord(UUID landlord) {
-		return landlord != null && getLandlord() != null && getLandlord().equals(landlord);
+		UUID ourLandlord = getLandlord();
+		return Objects.equals(landlord, ourLandlord);
 	}
 
 	/**
 	 * Get the WorldGuard region associated with this AreaShop region.
 	 * @return The ProtectedRegion of WorldGuard or null if the region does not exist anymore
 	 */
+	@Override
 	public ProtectedRegion getRegion() {
 		if(getWorld() == null
 				|| plugin.getWorldGuard() == null
@@ -518,7 +542,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return Vector
 	 */
 	public Vector getMinimumPoint() {
-		return plugin.getWorldGuardHandler().getMinimumPoint(getRegion());
+		return worldGuardInterface.getMinimumPoint(getRegion());
 	}
 
 	/**
@@ -526,13 +550,14 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return Vector
 	 */
 	public Vector getMaximumPoint() {
-		return plugin.getWorldGuardHandler().getMaximumPoint(getRegion());
+		return worldGuardInterface.getMaximumPoint(getRegion());
 	}
 
 	/**
 	 * Get the width of the region (x-axis).
 	 * @return The width of the region (x-axis)
 	 */
+	@Override
 	public int getWidth() {
 		if(getRegion() == null) {
 			return 0;
@@ -544,6 +569,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Get the depth of the region (z-axis).
 	 * @return The depth of the region (z-axis)
 	 */
+	@Override
 	public int getDepth() {
 		if(getRegion() == null) {
 			return 0;
@@ -555,6 +581,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * Get the height of the region (y-axis).
 	 * @return The height of the region (y-axis)
 	 */
+	@Override
 	public int getHeight() {
 		if(getRegion() == null) {
 			return 0;
@@ -590,86 +617,96 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 
 	@Override
 	public Object provideReplacement(String variable) {
-		switch(variable) {
+		switch (variable) {
 
 			// Basics
-			case AreaShop.tagRegionName:
+			case AreaShop.tagRegionName -> {
 				return getName();
-			case AreaShop.tagRegionType:
+			}
+			case AreaShop.tagRegionType -> {
 				return getType().getValue().toLowerCase();
-			case AreaShop.tagWorldName:
+			}
+			case AreaShop.tagWorldName -> {
 				return getWorldName();
-			case AreaShop.tagWidth:
+			}
+			case AreaShop.tagWidth -> {
 				return getWidth();
-			case AreaShop.tagDepth:
+			}
+			case AreaShop.tagDepth -> {
 				return getDepth();
-			case AreaShop.tagHeight:
+			}
+			case AreaShop.tagHeight -> {
 				return getHeight();
-			case AreaShop.tagFriends:
+			}
+			case AreaShop.tagFriends -> {
 				return Utils.createCommaSeparatedList(getFriendsFeature().getFriendNames());
-			case AreaShop.tagFriendsUUID:
+			}
+			case AreaShop.tagFriendsUUID -> {
 				return Utils.createCommaSeparatedList(getFriendsFeature().getFriends());
-			case AreaShop.tagLandlord:
+			}
+			case AreaShop.tagLandlord -> {
 				return getLandlordName();
-			case AreaShop.tagLandlordUUID:
+			}
+			case AreaShop.tagLandlordUUID -> {
 				return getLandlord();
-			case AreaShop.tagVolume:
+			}
+			case AreaShop.tagVolume -> {
 				return getVolume();
+			}
 
 			// Date/time
-			case AreaShop.tagEpoch:
+			case AreaShop.tagEpoch -> {
 				return Calendar.getInstance().getTimeInMillis();
-			case AreaShop.tagMillisecond:
+			}
+			case AreaShop.tagMillisecond -> {
 				return Calendar.getInstance().get(Calendar.MILLISECOND);
-			case AreaShop.tagSecond:
+			}
+			case AreaShop.tagSecond -> {
 				return Calendar.getInstance().get(Calendar.SECOND);
-			case AreaShop.tagMinute:
+			}
+			case AreaShop.tagMinute -> {
 				return Calendar.getInstance().get(Calendar.MINUTE);
-			case AreaShop.tagHour:
+			}
+			case AreaShop.tagHour -> {
 				return Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
-			case AreaShop.tagDay:
+			}
+			case AreaShop.tagDay -> {
 				return Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
-			case AreaShop.tagMonth:
+			}
+			case AreaShop.tagMonth -> {
 				return Calendar.getInstance().get(Calendar.MONTH) + 1;
-			case AreaShop.tagYear:
+			}
+			case AreaShop.tagYear -> {
 				return Calendar.getInstance().get(Calendar.YEAR);
-			case AreaShop.tagDateTime:
+			}
+			case AreaShop.tagDateTime -> {
 				return new SimpleDateFormat(plugin.getConfig().getString("timeFormatChat")).format(Calendar.getInstance().getTime());
-			case AreaShop.tagDateTimeShort:
+			}
+			case AreaShop.tagDateTimeShort -> {
 				return new SimpleDateFormat(plugin.getConfig().getString("timeFormatSign")).format(Calendar.getInstance().getTime());
+			}
 
 			// Teleport locations
-			default:
+			default -> {
 				Location tp = getTeleportFeature().getTeleportLocation();
-				if(tp == null) {
+				if (tp == null) {
 					return null;
 				}
-				switch(variable) {
-					case AreaShop.tagTeleportBlockX:
-						return tp.getBlockX();
-					case AreaShop.tagTeleportBlockY:
-						return tp.getBlockY();
-					case AreaShop.tagTeleportBlockZ:
-						return tp.getBlockZ();
-					case AreaShop.tagTeleportX:
-						return tp.getX();
-					case AreaShop.tagTeleportY:
-						return tp.getY();
-					case AreaShop.tagTeleportZ:
-						return tp.getZ();
-					case AreaShop.tagTeleportPitch:
-						return tp.getPitch();
-					case AreaShop.tagTeleportYaw:
-						return tp.getYaw();
-					case AreaShop.tagTeleportPitchRound:
-						return Math.round(tp.getPitch());
-					case AreaShop.tagTeleportYawRound:
-						return Math.round(tp.getYaw());
-					case AreaShop.tagTeleportWorld:
-						return tp.getWorld().getName();
-					default:
-						return null;
-				}
+				return switch (variable) {
+					case AreaShop.tagTeleportBlockX -> tp.getBlockX();
+					case AreaShop.tagTeleportBlockY -> tp.getBlockY();
+					case AreaShop.tagTeleportBlockZ -> tp.getBlockZ();
+					case AreaShop.tagTeleportX -> tp.getX();
+					case AreaShop.tagTeleportY -> tp.getY();
+					case AreaShop.tagTeleportZ -> tp.getZ();
+					case AreaShop.tagTeleportPitch -> tp.getPitch();
+					case AreaShop.tagTeleportYaw -> tp.getYaw();
+					case AreaShop.tagTeleportPitchRound -> Math.round(tp.getPitch());
+					case AreaShop.tagTeleportYawRound -> Math.round(tp.getYaw());
+					case AreaShop.tagTeleportWorld -> tp.getWorld().getName();
+					default -> null;
+				};
+			}
 		}
 	}
 
@@ -707,7 +744,8 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		Object[] newParams = new Object[params.length + 1];
 		newParams[0] = this;
 		System.arraycopy(params, 0, newParams, 1, params.length);
-		Message.fromKey(key).prefix(prefix).replacements(newParams).send(target);
+		Message m = Message.fromKey(key).prefix(prefix).replacements(newParams);
+		SimpleMessageBridge.send(m, target);
 	}
 
 	public void messageNoPrefix(Object target, String key, Object... params) {
@@ -723,7 +761,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @return true if the signs of this region need periodic updating, otherwise false
 	 */
 	public boolean needsPeriodicUpdate() {
-		return !(isDeleted() || !(this instanceof RentRegion)) && getSignsFeature().needsPeriodicUpdate();
+		return !(isDeleted() || !(this instanceof RentRegion)) && getSignsFeature().signManager().needsPeriodicUpdate();
 	}
 
 	/**
@@ -758,19 +796,49 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		File saveFile = new File(plugin.getFileManager().getSchematicFolder() + File.separator + fileName);
 		// Create parent directories
 		File parent = saveFile.getParentFile();
-		if(parent != null && !parent.exists()) {
-			if(!parent.mkdirs()) {
-				AreaShop.warn("Did not save region " + getName() + ", schematic directory could not be created: " + saveFile.getAbsolutePath());
-				return false;
-			}
+		if(parent != null && !parent.exists() && !parent.mkdirs()) {
+			AreaShop.warn("Did not save region " + getName() + ", schematic directory could not be created: " + saveFile.getAbsolutePath());
+			return false;
 		}
-		boolean result = plugin.getWorldEditHandler().saveRegionBlocks(saveFile, this);
+		boolean result = worldEditInterface.saveRegionBlocks(saveFile, this);
 		if(result) {
 			AreaShop.debug("Saved schematic for region " + getName());
 		}
 		return true;
 	}
 
+	/**
+	 * Save all blocks in a region for restoring later.
+	 * @param fileName The name of the file to save to (extension and folder will be added)
+	 * @return true if the region has been saved properly, otherwise false
+	 */
+	public CompletableFuture<Boolean> saveRegionBlocksAsync(String fileName) {
+		if (!worldEditInterface.supportsAsyncOperations()) {
+			return CompletableFuture.completedFuture(saveRegionBlocks(fileName));
+		}
+		// Check if the region is correct
+		ProtectedRegion region = getRegion();
+		if(region == null) {
+			AreaShop.debug("Region '" + getName() + "' does not exist in WorldGuard, save failed");
+			return CompletableFuture.completedFuture(false);
+		}
+		// The path to save the schematic
+		File saveFile = new File(plugin.getFileManager().getSchematicFolder() + File.separator + fileName);
+		// Create parent directories
+		File parent = saveFile.getParentFile();
+		if(parent != null && !parent.exists() && !parent.mkdirs()) {
+			AreaShop.warn("Did not save region " + getName() + ", schematic directory could not be created: " + saveFile.getAbsolutePath());
+			return CompletableFuture.completedFuture(false);
+		}
+		return worldEditInterface.saveRegionBlocksAsync(saveFile, this)
+				.thenApply(result -> {
+					if(Boolean.TRUE.equals(result)) {
+						AreaShop.debug("Saved schematic async for region " + getName());
+					}
+					return result;
+				});
+	}
+
 	/**
 	 * Restore all blocks in a region for restoring later.
 	 * @param fileName The name of the file to save to (extension and folder will be added)
@@ -783,24 +851,53 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		}
 		// The path to save the schematic
 		File restoreFile = new File(plugin.getFileManager().getSchematicFolder() + File.separator + fileName);
-		boolean result = plugin.getWorldEditHandler().restoreRegionBlocks(restoreFile, this);
+		boolean result = worldEditInterface.restoreRegionBlocks(restoreFile, this);
 		if(result) {
 			AreaShop.debug("Restored schematic for region " + getName());
 
 			// Workaround for signs inside the region in combination with async restore of plugins like AsyncWorldEdit and FastAsyncWorldEdit
-			Do.syncLater(10, getSignsFeature()::update);
+			Do.syncLater(10, getSignsFeature().signManager()::update);
 		}
 		return result;
 	}
 
+	/**
+	 * Restore all blocks in a region for restoring later.
+	 * @param fileName The name of the file to save to (extension and folder will be added)
+	 * @return true if the region has been restored properly, otherwise false
+	 */
+	public CompletableFuture<Boolean> restoreRegionBlocksAsync(String fileName) {
+		if (!worldEditInterface.supportsAsyncOperations()) {
+			return CompletableFuture.completedFuture(restoreRegionBlocks(fileName));
+		}
+		if(getRegion() == null) {
+			AreaShop.debug("Region '" + getName() + "' does not exist in WorldGuard, restore failed");
+			return CompletableFuture.completedFuture(false);
+		}
+		// The path to save the schematic
+		File restoreFile = new File(plugin.getFileManager().getSchematicFolder() + File.separator + fileName);
+		return worldEditInterface.restoreRegionBlocksAsync(restoreFile, this)
+				.thenApply(result -> {
+					if(Boolean.TRUE.equals(result)) {
+						AreaShop.debug("Restored schematic async for region " + getName());
+						// Sync back to main
+						Do.syncLater(10, getSignsFeature().signManager()::update);
+					}
+					return result;
+				}
+		);
+	}
+
+
+
 	/**
 	 * Reset all flags of the region.
 	 */
 	public void resetRegionFlags() {
 		ProtectedRegion region = getRegion();
 		if(region != null) {
-			region.setFlag(plugin.getWorldGuardHandler().fuzzyMatchFlag("greeting"), null);
-			region.setFlag(plugin.getWorldGuardHandler().fuzzyMatchFlag("farewell"), null);
+			region.setFlag(worldGuardInterface.fuzzyMatchFlag("greeting"), null);
+			region.setFlag(worldGuardInterface.fuzzyMatchFlag("farewell"), null);
 		}
 	}
 
@@ -872,7 +969,6 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		if(found) {
 			return result;
 		}
-
 		if(this.getFileManager().getRegionSettings().isString(path)) {
 			return this.getFileManager().getRegionSettings().getString(path).equalsIgnoreCase("true");
 		}
@@ -1133,8 +1229,8 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		// Either result is a ConfigurationSection or is used as key in the plugin config to get a ConfigurationSection
 		if(result == null) {
 			return null;
-		} else if(result instanceof ConfigurationSection) {
-			return (ConfigurationSection)result;
+		} else if(result instanceof ConfigurationSection configurationSection) {
+			return configurationSection;
 		} else {
 			return plugin.getConfig().getConfigurationSection(translateProfileName + "." + result.toString());
 		}
@@ -1199,12 +1295,12 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 				int totalLimit = plugin.getConfig().getInt("limitGroups." + group + ".total");
 				int typeLimit = plugin.getConfig().getInt("limitGroups." + group + "." + typePath);
 				//AreaShop.debug("typeLimitOther="+typeLimit+", typePath="+typePath);
-				int totalCurrent = hasRegionsInLimitGroup(offlinePlayer, group, plugin.getFileManager().getRegions(), exclude);
+				int totalCurrent = hasRegionsInLimitGroup(offlinePlayer, group, plugin.getFileManager().getRegionsRef(), exclude);
 				int typeCurrent;
 				if(type == RegionType.RENT) {
-					typeCurrent = hasRegionsInLimitGroup(offlinePlayer, group, plugin.getFileManager().getRents(), exclude);
+					typeCurrent = hasRegionsInLimitGroup(offlinePlayer, group, plugin.getFileManager().getRentsRef(), exclude);
 				} else {
-					typeCurrent = hasRegionsInLimitGroup(offlinePlayer, group, plugin.getFileManager().getBuys(), exclude);
+					typeCurrent = hasRegionsInLimitGroup(offlinePlayer, group, plugin.getFileManager().getBuysRef(), exclude);
 				}
 				if(totalLimit == -1) {
 					totalLimit = Integer.MAX_VALUE;
@@ -1360,7 +1456,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	 * @param exclude    Exclude this region from the count
 	 * @return The number of regions that the player has bought or rented matching the limit group (worlds and groups filters)
 	 */
-	public int hasRegionsInLimitGroup(OfflinePlayer player, String limitGroup, List<? extends GeneralRegion> regions, GeneralRegion exclude) {
+	public int hasRegionsInLimitGroup(OfflinePlayer player, String limitGroup, Collection<? extends GeneralRegion> regions, GeneralRegion exclude) {
 		int result = 0;
 		for(GeneralRegion region : regions) {
 			if(region.getBooleanSetting("general.countForLimits")
@@ -1381,8 +1477,8 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 	public boolean matchesLimitGroup(String group) {
 		List<String> worlds = plugin.getConfig().getStringList("limitGroups." + group + ".worlds");
 		List<String> groups = plugin.getConfig().getStringList("limitGroups." + group + ".groups");
-		if((worlds == null || worlds.isEmpty() || worlds.contains(getWorldName()))) {
-			if(groups == null || groups.isEmpty()) {
+		if(worlds.isEmpty() || worlds.contains(getWorldName())) {
+			if(groups.isEmpty()) {
 				return true;
 			} else {
 				boolean inGroups = false;
@@ -1414,14 +1510,23 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		String save = profileSection.getString(type.getValue() + ".save");
 		String restore = profileSection.getString(type.getValue() + ".restore");
 		// Save the region if needed
-		if(save != null && save.length() != 0) {
+		boolean async = worldEditInterface.supportsAsyncOperations();
+		if(save != null && !save.isBlank()) {
 			save = Message.fromString(save).replacements(this).getSingle();
-			saveRegionBlocks(save);
+			if (async) {
+				saveRegionBlocksAsync(save);
+			} else {
+				saveRegionBlocks(save);
+			}
 		}
 		// Restore the region if needed
-		if(restore != null && restore.length() != 0) {
+		if(restore != null && !restore.isBlank()) {
 			restore = Message.fromString(restore).replacements(this).getSingle();
-			restoreRegionBlocks(restore);
+			if (async) {
+				restoreRegionBlocksAsync(restore);
+			} else {
+				restoreRegionBlocks(restore);
+			}
 		}
 	}
 
@@ -1438,7 +1543,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		}
 
 		for(String command : commands) {
-			if(command == null || command.length() == 0) {
+			if(command == null || command.isEmpty()) {
 				continue;
 			}
 			// It is not ideal we have to disable language replacements here, but otherwise giving language variables
@@ -1472,23 +1577,6 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		}
 	}
 
-	/**
-	 * Run command for a certain event.
-	 * @param event  The event
-	 * @param before The 'before' or 'after' commands
-	 */
-	public void runEventCommands(RegionEvent event, boolean before) {
-		ConfigurationSection eventCommandProfileSection = getConfigurationSectionSetting("general.eventCommandProfile", "eventCommandProfiles");
-		if(eventCommandProfileSection == null) {
-			return;
-		}
-		List<String> commands = eventCommandProfileSection.getStringList(event.getValue() + "." + (before ? "before" : "after"));
-		if(commands == null || commands.isEmpty()) {
-			return;
-		}
-		runCommands(Bukkit.getConsoleSender(), commands);
-	}
-
 	/**
 	 * Get the volume of the region (number of blocks inside it).
 	 * @return Number of blocks in the region
@@ -1502,6 +1590,22 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 		return volume;
 	}
 
+	/**
+	 * Whether region transfers are enabled
+	 * @return Returns true if region transfers are enabled, false otherwise
+	 */
+	public boolean isTransferEnabled() {
+		return getBooleanSetting("general.transferMode");
+	}
+
+	/**
+	 * Se whether region transfers are enabled
+	 * @param enabled Whether region transfers should be enabled, false otherwise
+	 */
+	public void setTransferEnabled(boolean enabled) {
+		setSetting("general.transferMode", enabled);
+	}
+
 	/**
 	 * Calculate the volume of the region (could be expensive for polygon regions).
 	 * @return Number of blocks in the region
@@ -1527,7 +1631,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 			}
 			// Estimate, but quick algorithm
 			else {
-				List<Vector> points = plugin.getWorldGuardHandler().getRegionPoints(region);
+				List<Vector> points = worldGuardInterface.getRegionPoints(region);
 				int numPoints = points.size();
 				if(numPoints < 3) {
 					return 0;
@@ -1542,7 +1646,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 					x2 = points.get(i + 1).getBlockX();
 					z2 = points.get(i + 1).getBlockZ();
 
-					area = area + ((z1 + z2) * (x1 - x2));
+					area += ((z1 + z2) * (x1 - x2));
 				}
 
 				x1 = points.get(numPoints - 1).getBlockX();
@@ -1550,7 +1654,7 @@ public abstract class GeneralRegion implements GeneralRegionInterface, Comparabl
 				x2 = points.get(0).getBlockX();
 				z2 = points.get(0).getBlockZ();
 
-				area = area + ((z1 + z2) * (x1 - x2));
+				area += ((z1 + z2) * (x1 - x2));
 				area = Math.ceil(Math.abs(area) / 2);
 				return (long)(area * getHeight());
 			}

AreaShop/src/main/java/me/wiefferink/areashop/regions/ImportJob.java

@@ -1,15 +1,17 @@
-package me.wiefferink.areashop.commands;
+package me.wiefferink.areashop.regions;
 
 import com.google.common.base.Charsets;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 import com.sk89q.worldguard.protection.managers.RegionManager;
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
 import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.areashop.events.ask.AddingRegionEvent;
 import me.wiefferink.areashop.features.signs.RegionSign;
-import me.wiefferink.areashop.features.signs.SignsFeature;
-import me.wiefferink.areashop.regions.BuyRegion;
-import me.wiefferink.areashop.regions.GeneralRegion;
-import me.wiefferink.areashop.regions.RegionGroup;
-import me.wiefferink.areashop.regions.RentRegion;
+import me.wiefferink.areashop.features.signs.SignManager;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.IFileManager;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
@@ -19,33 +21,52 @@ import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 
+import javax.annotation.Nonnull;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.UUID;
 
 public class ImportJob {
 
 	private final AreaShop plugin;
+	private final IFileManager fileManager;
+	private final SignManager signManager;
+	private final WorldGuardInterface worldGuardInterface;
 	private final CommandSender sender;
+	private final MessageBridge messageBridge;
+	private final RegionFactory regionFactory;
 
 	/**
 	 * Create and execute the import.
 	 * @param sender CommandSender that should receive progress updates
 	 */
-	public ImportJob(CommandSender sender) {
+	@AssistedInject
+	ImportJob(
+			@Nonnull AreaShop plugin,
+			@Nonnull IFileManager fileManager,
+			@Nonnull SignManager signManager,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nonnull MessageBridge messageBridge,
+			@Nonnull RegionFactory regionFactory,
+			@Assisted @Nonnull CommandSender sender) {
+		this.regionFactory = regionFactory;
 		this.sender = sender;
-		this.plugin = AreaShop.getInstance();
-		execute();
+		this.plugin = plugin;
+		this.signManager = signManager;
+		this.fileManager = fileManager;
+		this.worldGuardInterface = worldGuardInterface;
+		this.messageBridge = messageBridge;
 	}
 
 	/**
 	 * Execute the job.
 	 */
-	private void execute() {
+	public void execute() {
 		// Check for RegionForSale data
 		File regionForSaleFolder = new File(plugin.getDataFolder().getParentFile().getAbsolutePath(), "RegionForSale");
 		if(!regionForSaleFolder.exists()) {
@@ -69,8 +90,8 @@ public class ImportJob {
 		message("import-start");
 
 		// Group with settings for all imported regions
-		RegionGroup regionForSaleGroup = new RegionGroup(plugin, "RegionForSale");
-		plugin.getFileManager().addGroup(regionForSaleGroup);
+		RegionGroup regionForSaleGroup = regionFactory.createRegionGroup("RegionForSale");
+		fileManager.addGroup(regionForSaleGroup);
 
 		// Import /RegionForSale/config.yml settings
 		File regionForSaleConfigFile = new File(regionForSaleFolder.getAbsolutePath(), "config.yml");
@@ -148,11 +169,11 @@ public class ImportJob {
 				worldConfig = new YamlConfiguration();
 			} else {
 				// RegionGroup with all world settings
-				RegionGroup worldGroup = new RegionGroup(plugin, "RegionForSale-" + worldFolder.getName());
+				RegionGroup worldGroup = regionFactory.createRegionGroup("RegionForSale-" + worldFolder.getName());
 				importRegionSettings(worldConfig, worldGroup.getSettings(), null, false);
 				worldGroup.setSetting("priority", 1);
 				worldGroup.addWorld(worldFolder.getName());
-				plugin.getFileManager().addGroup(regionForSaleGroup);
+				fileManager.addGroup(regionForSaleGroup);
 				worldGroup.saveRequired();
 			}
 
@@ -184,7 +205,7 @@ public class ImportJob {
 					}
 
 					// Import parent region settings into a RegionGroup
-					RegionGroup parentRegionGroup = new RegionGroup(plugin, "RegionForSale-" + worldFolder.getName() + "-" + parentRegionName);
+					RegionGroup parentRegionGroup = regionFactory.createRegionGroup( "RegionForSale-" + worldFolder.getName() + "-" + parentRegionName);
 					importRegionSettings(parentRegionSection, parentRegionGroup.getSettings(), null, false);
 					parentRegionGroup.setSetting("priority", 2 + parentRegionSection.getLong("info.priority", 0));
 					parentRegionGroup.saveRequired();
@@ -196,7 +217,7 @@ public class ImportJob {
 
 			// Read and import regions
 			for(String regionKey : regions.getKeys(false)) {
-				GeneralRegion existingRegion = plugin.getFileManager().getRegion(regionKey);
+				GeneralRegion existingRegion = fileManager.getRegion(regionKey);
 				if(existingRegion != null) {
 					if(world.getName().equalsIgnoreCase(existingRegion.getWorldName())) {
 						messageNoPrefix("import-alreadyAdded", regionKey);
@@ -239,11 +260,14 @@ public class ImportJob {
 				// Create region
 				GeneralRegion region;
 				if(rentable || (owner != null && !isBought)) {
-					region = new RentRegion(regionKey, world);
-					plugin.getFileManager().addRent((RentRegion)region);
+					region = regionFactory.createRentRegion(regionKey, world);
 				} else {
-					region = new BuyRegion(regionKey, world);
-					plugin.getFileManager().addBuy((BuyRegion)region);
+					region = regionFactory.createBuyRegion(regionKey, world);
+				}
+				AddingRegionEvent event = plugin.getFileManager().addRegion(region);
+				if (event.isCancelled()) {
+					messageNoPrefix("general-cancelled", event.getReason());
+					continue;
 				}
 
 				// Import settings
@@ -255,16 +279,16 @@ public class ImportJob {
 				if(owner != null) {
 					@SuppressWarnings("deprecation")
 					OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayer(owner);
-					if(offlinePlayer != null) {
+					if(offlinePlayer.hasPlayedBefore()) {
 						existing.add(offlinePlayer.getUniqueId());
 					}
 				}
-				for(UUID uuid : plugin.getWorldGuardHandler().getOwners(worldGuardRegion).asUniqueIdList()) {
+				for(UUID uuid : worldGuardInterface.getOwners(worldGuardRegion).asUniqueIdList()) {
 					if(!existing.contains(uuid)) {
 						existing.add(uuid);
 					}
 				}
-				for(UUID uuid : plugin.getWorldGuardHandler().getMembers(worldGuardRegion).asUniqueIdList()) {
+				for(UUID uuid : worldGuardInterface.getMembers(worldGuardRegion).asUniqueIdList()) {
 					if(!existing.contains(uuid)) {
 						existing.add(uuid);
 					}
@@ -286,9 +310,9 @@ public class ImportJob {
 		}
 
 		// Update all regions
-		plugin.getFileManager().updateAllRegions(sender);
+		fileManager.updateAllRegions(sender);
 		// Write all imported regions and settings to disk
-		plugin.getFileManager().saveRequiredFiles();
+		fileManager.saveRequiredFiles();
 	}
 
 	/**
@@ -330,7 +354,7 @@ public class ImportJob {
 		String buyPrice = from.getString("economic-settings.cost-per-unit.buy");
 		String sellPrice = from.getString("economic-settings.cost-per-unit.selling-price");
 		// TODO: There is no easy way to import this, setup eventCommandsProfile?
-		String taxes = from.getString("economic-settings.cost-per-unit.taxes");
+		// String taxes = from.getString("economic-settings.cost-per-unit.taxes");
 
 		// Determine unit and add that to the price
 		String unitSuffix = "";
@@ -369,8 +393,7 @@ public class ImportJob {
 
 		// Set rented until
 		if(from.isLong("info.last-withdrawal")
-				&& region instanceof RentRegion) {
-			RentRegion rentRegion = (RentRegion)region;
+				&& region instanceof RentRegion rentRegion) {
 			long lastWithdrawal = from.getLong("info.last-withdrawal");
 			// Because the rental duration is already imported into the region and its parents this should be correct
 			rentRegion.setRentedUntil(lastWithdrawal + rentRegion.getDuration());
@@ -395,8 +418,9 @@ public class ImportJob {
 				}
 
 				// Check if this location is already added to a region
-				RegionSign regionSign = SignsFeature.getSignByLocation(location);
-				if(regionSign != null) {
+				Optional<RegionSign> optionalRegionSign = signManager.signFromLocation(location);
+				if(optionalRegionSign.isPresent()) {
+					RegionSign regionSign = optionalRegionSign.get();
 					if(!regionSign.getRegion().equals(region)) {
 						message("import-signAlreadyAdded", region.getName(), signLocation, regionSign.getRegion().getName());
 					}
@@ -411,8 +435,8 @@ public class ImportJob {
 	}
 
 	private static class TimeUnit {
-		public long minutes;
-		public String identifier;
+		public final long minutes;
+		public final String identifier;
 
 		TimeUnit(long minutes, String identifier) {
 			this.minutes = minutes;
@@ -420,7 +444,7 @@ public class ImportJob {
 		}
 	}
 
-	private static final List<TimeUnit> timeUnitLookup = new ArrayList<TimeUnit>() {
+	private static final List<TimeUnit> timeUnitLookup = new ArrayList<>() {
 		{
 			add(new TimeUnit(60 * 24 * 30 * 12, "year"));
 			add(new TimeUnit(60 * 24 * 30, "month"));
@@ -455,10 +479,10 @@ public class ImportJob {
 	 * @param replacements The replacements to insert in the message
 	 */
 	public void messageNoPrefix(String key, Object... replacements) {
-		plugin.messageNoPrefix(sender, key, replacements);
+		messageBridge.messageNoPrefix(sender, key, replacements);
 
 		if(!(sender instanceof ConsoleCommandSender)) {
-			plugin.messageNoPrefix(Bukkit.getConsoleSender(), key, replacements);
+			messageBridge.messageNoPrefix(Bukkit.getConsoleSender(), key, replacements);
 		}
 	}
 
@@ -468,10 +492,10 @@ public class ImportJob {
 	 * @param replacements The replacements to insert in the message
 	 */
 	public void message(String key, Object... replacements) {
-		plugin.message(sender, key, replacements);
+		messageBridge.message(sender, key, replacements);
 
 		if(!(sender instanceof ConsoleCommandSender)) {
-			plugin.message(Bukkit.getConsoleSender(), key, replacements);
+			messageBridge.message(Bukkit.getConsoleSender(), key, replacements);
 		}
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/regions/ImportJobFactory.java

@@ -0,0 +1,11 @@
+package me.wiefferink.areashop.regions;
+
+import org.bukkit.command.CommandSender;
+
+import javax.annotation.Nonnull;
+
+public interface ImportJobFactory {
+
+    @Nonnull ImportJob createImportJob(@Nonnull CommandSender commandSender);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/RegionFactory.java

@@ -0,0 +1,20 @@
+package me.wiefferink.areashop.regions;
+
+import org.bukkit.World;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+import javax.annotation.Nonnull;
+
+public interface RegionFactory {
+
+    @Nonnull BuyRegion createBuyRegion(@Nonnull YamlConfiguration yamlConfiguration);
+
+    @Nonnull BuyRegion createBuyRegion(@Nonnull String name, @Nonnull World world);
+
+    @Nonnull RentRegion createRentRegion(@Nonnull YamlConfiguration yamlConfiguration);
+
+    @Nonnull RentRegion createRentRegion(@Nonnull String name, @Nonnull World world);
+
+    @Nonnull RegionGroup createRegionGroup(@Nonnull String name);
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/RegionGroup.java

@@ -1,9 +1,13 @@
 package me.wiefferink.areashop.regions;
 
-import me.wiefferink.areashop.AreaShop;
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
+import me.wiefferink.areashop.managers.IFileManager;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.plugin.Plugin;
 
+import javax.annotation.Nonnull;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Set;
@@ -11,7 +15,8 @@ import java.util.Set;
 // TODO consider switching to saving lowercase regions
 public class RegionGroup {
 
-	private final AreaShop plugin;
+	private final Plugin plugin;
+	private final IFileManager fileManager;
 	private final String name;
 	private final Set<String> regions;
 	private Set<String> autoRegions;
@@ -23,8 +28,10 @@ public class RegionGroup {
 	 * @param plugin The AreaShop plugin
 	 * @param name   Name of the group, has to be unique
 	 */
-	public RegionGroup(AreaShop plugin, String name) {
+	@AssistedInject
+	RegionGroup(@Nonnull Plugin plugin, @Nonnull IFileManager fileManager, @Assisted String name) {
 		this.plugin = plugin;
+		this.fileManager = fileManager;
 		this.name = name;
 		this.autoDirty = true;
 		setSetting("name", name);
@@ -41,7 +48,7 @@ public class RegionGroup {
 	public Set<String> getAutoRegions() {
 		if(autoDirty) {
 			autoRegions = new HashSet<>();
-			for(GeneralRegion region : plugin.getFileManager().getRegions()) {
+			for(GeneralRegion region : fileManager.getRegionsRef()) {
 				if(worlds.contains(region.getWorldName())) {
 					autoRegions.add(region.getName());
 				}
@@ -148,8 +155,8 @@ public class RegionGroup {
 	 */
 	public Set<GeneralRegion> getMemberRegions() {
 		Set<GeneralRegion> result = new HashSet<>();
-		for(String name : getMembers()) {
-			result.add(plugin.getFileManager().getRegion(name));
+		for(String playerName : getMembers()) {
+			result.add(fileManager.getRegion(playerName));
 		}
 		return result;
 	}
@@ -192,7 +199,7 @@ public class RegionGroup {
 	 * @return The ConfigurationSection with the settings of the group
 	 */
 	public ConfigurationSection getSettings() {
-		ConfigurationSection result =  plugin.getFileManager().getGroupSettings(name);
+		ConfigurationSection result =  fileManager.getGroupSettings(name);
 		if(result != null) {
 			return result;
 		} else {
@@ -206,20 +213,20 @@ public class RegionGroup {
 	 * @param setting The value to set
 	 */
 	public void setSetting(String path, Object setting) {
-		plugin.getFileManager().setGroupSetting(this, path, setting);
+		fileManager.setGroupSetting(this, path, setting);
 	}
 
 	/**
 	 * Indicates this file needs to be saved, will actually get saved later by a task.
 	 */
 	public void saveRequired() {
-		plugin.getFileManager().saveGroupsIsRequired();
+		fileManager.saveGroupsIsRequired();
 	}
 
 	/**
 	 * Save the groups to disk now, normally saveRequired() is preferred because of performance.
 	 */
 	public void saveNow() {
-		plugin.getFileManager().saveGroupsNow();
+		fileManager.saveGroupsNow();
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/regions/RegionModule.java

@@ -0,0 +1,12 @@
+package me.wiefferink.areashop.regions;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.assistedinject.FactoryModuleBuilder;
+
+public class RegionModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        install(new FactoryModuleBuilder().build(RegionFactory.class));
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/regions/RentRegion.java

@@ -1,11 +1,17 @@
 package me.wiefferink.areashop.regions;
 
+import com.google.inject.assistedinject.Assisted;
+import com.google.inject.assistedinject.AssistedInject;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.events.ask.RentingRegionEvent;
 import me.wiefferink.areashop.events.ask.UnrentingRegionEvent;
 import me.wiefferink.areashop.events.notify.RentedRegionEvent;
 import me.wiefferink.areashop.events.notify.UnrentedRegionEvent;
+import me.wiefferink.areashop.interfaces.WorldEditInterface;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
+import me.wiefferink.areashop.managers.FeatureManager;
 import me.wiefferink.areashop.tools.Utils;
+import net.milkbowl.vault.economy.Economy;
 import net.milkbowl.vault.economy.EconomyResponse;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
@@ -15,6 +21,8 @@ import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;
@@ -24,14 +32,25 @@ import java.util.UUID;
 import static me.wiefferink.areashop.tools.Utils.millisToHumanFormat;
 
 public class RentRegion extends GeneralRegion {
-	private long warningsDoneUntil = Calendar.getInstance().getTimeInMillis();
+
+	private long warningsDoneUntil = System.currentTimeMillis();
+	private final Economy economy;
 
 	/**
 	 * Constructor.
 	 * @param config All settings of this region
 	 */
-	public RentRegion(YamlConfiguration config) {
-		super(config);
+	@AssistedInject
+	RentRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull YamlConfiguration config
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, config);
+		this.economy = economy;
 	}
 
 	/**
@@ -39,8 +58,34 @@ public class RentRegion extends GeneralRegion {
 	 * @param name  The name of the region (correct casing)
 	 * @param world The world of the WorldGuard region
 	 */
-	public RentRegion(String name, World world) {
-		super(name, world);
+	@AssistedInject
+	RentRegion(
+			@Nonnull AreaShop plugin,
+			@Nonnull FeatureManager featureManager,
+			@Nonnull WorldEditInterface worldEditInterface,
+			@Nonnull WorldGuardInterface worldGuardInterface,
+			@Nullable Economy economy,
+			@Assisted @Nonnull String name,
+			@Assisted @Nonnull World world
+	) {
+		super(plugin, featureManager, worldEditInterface, worldGuardInterface, name, world);
+		this.economy = economy;
+	}
+
+
+	@Override
+	public boolean isOwner(UUID player) {
+		return isRenter(player);
+	}
+
+	@Override
+	public UUID getOwner() {
+		return getRenter();
+	}
+
+	@Override
+	public void setOwner(UUID player) {
+		setRenter(player);
 	}
 
 	@Override
@@ -136,43 +181,28 @@ public class RentRegion extends GeneralRegion {
 
 	@Override
 	public Object provideReplacement(String variable) {
-		switch(variable) {
-			case AreaShop.tagPrice:
-				return getFormattedPrice();
-			case AreaShop.tagRawPrice:
-				return getPrice();
-			case AreaShop.tagDuration:
-				return getDurationString();
-			case AreaShop.tagPlayerName:
-				return getPlayerName();
-			case AreaShop.tagPlayerUUID:
-				return getRenter();
-			case AreaShop.tagRentedUntil:
-				return new SimpleDateFormat(plugin.getConfig().getString("timeFormatChat")).format(new Date(getRentedUntil()));
-			case AreaShop.tagRentedUntilShort:
-				return new SimpleDateFormat(plugin.getConfig().getString("timeFormatSign")).format(new Date(getRentedUntil()));
-			case AreaShop.tagTimeLeft:
-				return getTimeLeftString();
-			case AreaShop.tagMoneyBackAmount:
-				return getFormattedMoneyBackAmount();
-			case AreaShop.tagRawMoneyBackAmount:
-				return getMoneyBackAmount();
-			case AreaShop.tagMoneyBackPercentage:
-				return (getMoneyBackPercentage() % 1.0) == 0.0 ? (int)getMoneyBackPercentage() : getMoneyBackPercentage();
-			case AreaShop.tagTimesExtended:
-				return this.getTimesExtended();
-			case AreaShop.tagMaxExtends:
-				return this.getMaxExtends();
-			case AreaShop.tagExtendsLeft:
-				return getMaxExtends() - getTimesExtended();
-			case AreaShop.tagMaxRentTime:
-				return millisToHumanFormat(getMaxRentTime());
-			case AreaShop.tagMaxInactiveTime:
-				return this.getFormattedInactiveTimeUntilUnrent();
-
-			default:
-				return super.provideReplacement(variable);
-		}
+		return switch (variable) {
+			case AreaShop.tagPrice -> getFormattedPrice();
+			case AreaShop.tagRawPrice -> getPrice();
+			case AreaShop.tagDuration -> getDurationString();
+			case AreaShop.tagPlayerName -> getPlayerName();
+			case AreaShop.tagPlayerUUID -> getRenter();
+			case AreaShop.tagRentedUntil ->
+					new SimpleDateFormat(plugin.getConfig().getString("timeFormatChat")).format(new Date(getRentedUntil()));
+			case AreaShop.tagRentedUntilShort ->
+					new SimpleDateFormat(plugin.getConfig().getString("timeFormatSign")).format(new Date(getRentedUntil()));
+			case AreaShop.tagTimeLeft -> getTimeLeftString();
+			case AreaShop.tagMoneyBackAmount -> getFormattedMoneyBackAmount();
+			case AreaShop.tagRawMoneyBackAmount -> getMoneyBackAmount();
+			case AreaShop.tagMoneyBackPercentage ->
+					(getMoneyBackPercentage() % 1.0) == 0.0 ? (int) getMoneyBackPercentage() : getMoneyBackPercentage();
+			case AreaShop.tagTimesExtended -> this.getTimesExtended();
+			case AreaShop.tagMaxExtends -> this.getMaxExtends();
+			case AreaShop.tagExtendsLeft -> getMaxExtends() - getTimesExtended();
+			case AreaShop.tagMaxRentTime -> millisToHumanFormat(getMaxRentTime());
+			case AreaShop.tagMaxInactiveTime -> this.getFormattedInactiveTimeUntilUnrent();
+			default -> super.provideReplacement(variable);
+		};
 	}
 
 	/**
@@ -315,8 +345,8 @@ public class RentRegion extends GeneralRegion {
 	 * @return The amount of money the player should get back
 	 */
 	public double getMoneyBackAmount() {
-		Long currentTime = Calendar.getInstance().getTimeInMillis();
-		Double timeLeft = (double)((getRentedUntil() - currentTime));
+		long currentTime = Calendar.getInstance().getTimeInMillis();
+		Double timeLeft = (double)(getRentedUntil() - currentTime);
 		double percentage = (getMoneyBackPercentage()) / 100.0;
 		Double timePeriod = (double)(getDuration());
 		double periods = timeLeft / timePeriod;
@@ -347,10 +377,8 @@ public class RentRegion extends GeneralRegion {
 		long now = Calendar.getInstance().getTimeInMillis();
 		if(!isDeleted() && isRented() && now > getRentedUntil()) {
 			// Extend rent if configured for that
-			if(getBooleanSetting("rent.autoExtend")) {
-				if(extend()) {
-					return false;
-				}
+			if(getBooleanSetting("rent.autoExtend") && extend()) {
+				return false;
 			}
 
 			// Send message to the player if online
@@ -421,7 +449,7 @@ public class RentRegion extends GeneralRegion {
 		}
 
 		OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayer(getRenter());
-		return offlinePlayer != null && rent(offlinePlayer);
+		return rent(offlinePlayer);
 	}
 
 	/**
@@ -430,204 +458,194 @@ public class RentRegion extends GeneralRegion {
 	 * @return true if it succeeded and false if not
 	 */
 	public boolean rent(OfflinePlayer offlinePlayer) {
-		if(plugin.getEconomy() == null) {
+		if(economy == null) {
 			message(offlinePlayer, "general-noEconomy");
 			return false;
 		}
-		//Check if the player has permission
-		if(plugin.hasPermission(offlinePlayer, "areashop.rent")) {
-			if(getWorld() == null) {
-				message(offlinePlayer, "general-noWorld");
+
+		// Check if the player has permission
+		if(!plugin.hasPermission(offlinePlayer, "areashop.rent")) {
+			message(offlinePlayer, "rent-noPermission");
+			return false;
+		}
+
+		// Check location restrictions
+		if(getWorld() == null) {
+			message(offlinePlayer, "general-noWorld");
+			return false;
+		}
+		if(getRegion() == null) {
+			message(offlinePlayer, "general-noRegion");
+			return false;
+		}
+		boolean extend = false;
+		if(getRenter() != null && offlinePlayer.getUniqueId().equals(getRenter())) {
+			extend = true;
+		}
+
+		// Check if available or extending
+		if (isRented() && !extend) {
+			message(offlinePlayer, "rent-someoneElse");
+			return false;
+		}
+
+		// These checks are only relevant for online players doing the renting/buying themselves
+		Player player = offlinePlayer.getPlayer();
+		if(player != null) {
+			// Check if the players needs to be in the region for renting
+			if(restrictedToRegion() && (!player.getWorld().getName().equals(getWorldName())
+					|| !getRegion().contains(player.getLocation().getBlockX(), player.getLocation().getBlockY(), player.getLocation().getBlockZ()))) {
+				message(offlinePlayer, "rent-restrictedToRegion");
 				return false;
 			}
-			if(getRegion() == null) {
-				message(offlinePlayer, "general-noRegion");
+
+			// Check if the players needs to be in the world for renting
+			if(restrictedToWorld() && !player.getWorld().getName().equals(getWorldName())) {
+				message(offlinePlayer, "rent-restrictedToWorld", player.getWorld().getName());
 				return false;
 			}
-			boolean extend = false;
-			if(getRenter() != null && offlinePlayer.getUniqueId().equals(getRenter())) {
-				extend = true;
+		}
+
+		// Check region limits if this is not extending
+		if(!(extend && config.getBoolean("allowRegionExtendsWhenAboveLimits"))) {
+
+			LimitResult limitResult;
+			if(extend) {
+				limitResult = this.limitsAllow(RegionType.RENT, offlinePlayer, true);
+			} else {
+				limitResult = this.limitsAllow(RegionType.RENT, offlinePlayer);
 			}
-			// Check if the region is available for renting or if the player wants to extend the rent
-			if(!isRented() || extend) {
-				// These checks are only relevant for online players doing the renting/buying themselves
-				Player player = offlinePlayer.getPlayer();
-				if(player != null) {
-					// Check if the players needs to be in the region for renting
-					if(restrictedToRegion() && (!player.getWorld().getName().equals(getWorldName())
-							|| !getRegion().contains(player.getLocation().getBlockX(), player.getLocation().getBlockY(), player.getLocation().getBlockZ()))) {
-						message(offlinePlayer, "rent-restrictedToRegion");
-						return false;
-					}
-
-					// Check if the players needs to be in the world for renting
-					if(restrictedToWorld() && !player.getWorld().getName().equals(getWorldName())) {
-						message(offlinePlayer, "rent-restrictedToWorld", player.getWorld().getName());
-						return false;
-					}
+			AreaShop.debug("LimitResult: " + limitResult.toString());
+			if(!limitResult.actionAllowed()) {
+				if(limitResult.getLimitingFactor() == LimitType.TOTAL) {
+					message(offlinePlayer, "total-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
+					return false;
 				}
-
-				// Check region limits if this is not extending
-				if(!(extend && config.getBoolean("allowRegionExtendsWhenAboveLimits"))) {
-
-					LimitResult limitResult;
-					if(extend) {
-						limitResult = this.limitsAllow(RegionType.RENT, offlinePlayer, true);
-					} else {
-						limitResult = this.limitsAllow(RegionType.RENT, offlinePlayer);
-					}
-					AreaShop.debug("LimitResult: " + limitResult.toString());
-					if(!limitResult.actionAllowed()) {
-						if(limitResult.getLimitingFactor() == LimitType.TOTAL) {
-							message(offlinePlayer, "total-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
-							return false;
-						}
-						if(limitResult.getLimitingFactor() == LimitType.RENTS) {
-							message(offlinePlayer, "rent-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
-							return false;
-						}
-						if(limitResult.getLimitingFactor() == LimitType.EXTEND) {
-							message(offlinePlayer, "rent-maximumExtend", limitResult.getMaximum(), limitResult.getCurrent() + 1, limitResult.getLimitingGroup());
-							return false;
-						}
-						return false;
-					}
+				if(limitResult.getLimitingFactor() == LimitType.RENTS) {
+					message(offlinePlayer, "rent-maximum", limitResult.getMaximum(), limitResult.getCurrent(), limitResult.getLimitingGroup());
+					return false;
 				}
-
-				// Check if the player can still extend this rent
-				if(extend && !plugin.hasPermission(offlinePlayer, "areashop.rentextendbypass")) {
-					if(getMaxExtends() >= 0 && getTimesExtended() >= getMaxExtends()) {
-						message(offlinePlayer, "rent-maxExtends");
-						return false;
-					}
+				if(limitResult.getLimitingFactor() == LimitType.EXTEND) {
+					message(offlinePlayer, "rent-maximumExtend", limitResult.getMaximum(), limitResult.getCurrent() + 1, limitResult.getLimitingGroup());
+					return false;
 				}
+				return false;
+			}
+		}
 
-				// Check if there is enough time left before hitting maxRentTime
-				boolean extendToMax = false;
-				double price = getPrice();
-				long timeNow = Calendar.getInstance().getTimeInMillis();
-				long timeRented = 0;
-				long maxRentTime = getMaxRentTime();
-				if(isRented()) {
-					timeRented = getRentedUntil() - timeNow;
-				}
-				if((timeRented + getDuration()) > (maxRentTime)
-						&& !plugin.hasPermission(offlinePlayer, "areashop.renttimebypass")
-						&& maxRentTime != -1) {
-					// Extend to the maximum instead of adding a full period
-					if(getBooleanSetting("rent.extendToFullWhenAboveMaxRentTime")) {
-						if(timeRented >= maxRentTime) {
-							message(offlinePlayer, "rent-alreadyAtFull");
-							return false;
-						} else {
-							long toRentPart = maxRentTime - timeRented;
-							extendToMax = true;
-							price = ((double)toRentPart) / getDuration() * price;
-						}
-					} else {
-						message(offlinePlayer, "rent-maxRentTime");
-						return false;
-					}
-				}
+		// Check if the player can still extend this rent
+		if(extend && !plugin.hasPermission(offlinePlayer, "areashop.rentextendbypass")) {
+			if(getMaxExtends() >= 0 && getTimesExtended() >= getMaxExtends()) {
+				message(offlinePlayer, "rent-maxExtends");
+				return false;
+			}
+		}
 
-				if(plugin.getEconomy().has(offlinePlayer, getWorldName(), price)) {
-					// Broadcast and check event
-					RentingRegionEvent event = new RentingRegionEvent(this, offlinePlayer, extend);
-					Bukkit.getPluginManager().callEvent(event);
-					if(event.isCancelled()) {
-						message(offlinePlayer, "general-cancelled", event.getReason());
-						return false;
-					}
-
-					// Substract the money from the players balance
-					EconomyResponse r = plugin.getEconomy().withdrawPlayer(offlinePlayer, getWorldName(), price);
-					if(!r.transactionSuccess()) {
-						message(offlinePlayer, "rent-payError");
-						AreaShop.debug("Something went wrong with getting money from " + offlinePlayer.getName() + " while renting " + getName() + ": " + r.errorMessage);
-						return false;
-					}
-					// Optionally give money to the landlord
-					OfflinePlayer landlordPlayer = null;
-					if(getLandlord() != null) {
-						landlordPlayer = Bukkit.getOfflinePlayer(getLandlord());
-					}
-					String landlordName = getLandlordName();
-					if(landlordName != null) {
-						if(landlordPlayer != null && landlordPlayer.getName() != null) {
-							r = plugin.getEconomy().depositPlayer(landlordPlayer, getWorldName(), price);
-						} else {
-							r = plugin.getEconomy().depositPlayer(landlordName, getWorldName(), price);
-						}
-						if(r == null || !r.transactionSuccess()) {
-							AreaShop.warn("Something went wrong with paying '" + landlordName + "' " + Utils.formatCurrency(price) + " for his rent of region " + getName() + " to " + offlinePlayer.getName());
-						}
-					}
-
-					if(!extend) {
-						// Run commands
-						runEventCommands(RegionEvent.RENTED, true);
-					} else {
-						// Run commands
-						runEventCommands(RegionEvent.EXTENDED, true);
-					}
-
-					// Get the time until the region will be rented
-					Calendar calendar = Calendar.getInstance();
-					if(extendToMax) {
-						calendar.setTimeInMillis(calendar.getTimeInMillis() + getMaxRentTime());
-					} else if(extend) {
-						calendar.setTimeInMillis(getRentedUntil() + getDuration());
-					} else {
-						calendar.setTimeInMillis(calendar.getTimeInMillis() + getDuration());
-					}
-
-					// Add values to the rent and send it to FileManager
-					setRentedUntil(calendar.getTimeInMillis());
-					setRenter(offlinePlayer.getUniqueId());
-					updateLastActiveTime();
-
-					// Fire schematic event and updated times extended
-					if(!extend) {
-						this.handleSchematicEvent(RegionEvent.RENTED);
-						setTimesExtended(0);
-					} else {
-						setTimesExtended(getTimesExtended() + 1);
-					}
-
-					// Notify about updates
-					this.notifyAndUpdate(new RentedRegionEvent(this, extend));
-
-					// Send message to the player
-					if(extendToMax) {
-						message(offlinePlayer, "rent-extendedToMax");
-					} else if(extend) {
-						message(offlinePlayer, "rent-extended");
-					} else {
-						message(offlinePlayer, "rent-rented");
-					}
-					if(!extend) {
-						// Run commands
-						this.runEventCommands(RegionEvent.RENTED, false);
-					} else {
-						// Run commands
-						this.runEventCommands(RegionEvent.EXTENDED, false);
-					}
-					return true;
+		// Check if there is enough time left before hitting maxRentTime
+		boolean extendToMax = false;
+		double price = getPrice();
+		long timeNow = Calendar.getInstance().getTimeInMillis();
+		long timeRented = 0;
+		long maxRentTime = getMaxRentTime();
+		if(isRented()) {
+			timeRented = getRentedUntil() - timeNow;
+		}
+		if((timeRented + getDuration()) > (maxRentTime)
+				&& !plugin.hasPermission(offlinePlayer, "areashop.renttimebypass")
+				&& maxRentTime != -1) {
+			// Extend to the maximum instead of adding a full period
+			if(getBooleanSetting("rent.extendToFullWhenAboveMaxRentTime")) {
+				if(timeRented >= maxRentTime) {
+					message(offlinePlayer, "rent-alreadyAtFull");
+					return false;
 				} else {
-					// Player has not enough money
-					if(extend) {
-						message(offlinePlayer, "rent-lowMoneyExtend", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
-					} else {
-						message(offlinePlayer, "rent-lowMoneyRent", Utils.formatCurrency(plugin.getEconomy().getBalance(offlinePlayer, getWorldName())));
-					}
+					long toRentPart = maxRentTime - timeRented;
+					extendToMax = true;
+					price = ((double)toRentPart) / getDuration() * price;
 				}
 			} else {
-				message(offlinePlayer, "rent-someoneElse");
+				message(offlinePlayer, "rent-maxRentTime");
+				return false;
 			}
-		} else {
-			message(offlinePlayer, "rent-noPermission");
 		}
-		return false;
+
+		// Check if the player has enough money
+		if(!economy.has(offlinePlayer, getWorldName(), price)) {
+			if(extend) {
+				message(offlinePlayer, "rent-lowMoneyExtend", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
+			} else {
+				message(offlinePlayer, "rent-lowMoneyRent", Utils.formatCurrency(economy.getBalance(offlinePlayer, getWorldName())));
+			}
+			return false;
+		}
+
+		// Broadcast and check event
+		RentingRegionEvent event = new RentingRegionEvent(this, offlinePlayer, extend);
+		Bukkit.getPluginManager().callEvent(event);
+		if(event.isCancelled()) {
+			message(offlinePlayer, "general-cancelled", event.getReason());
+			return false;
+		}
+
+		// Substract the money from the players balance
+		EconomyResponse r = economy.withdrawPlayer(offlinePlayer, getWorldName(), price);
+		if(!r.transactionSuccess()) {
+			message(offlinePlayer, "rent-payError");
+			AreaShop.debug("Something went wrong with getting money from " + offlinePlayer.getName() + " while renting " + getName() + ": " + r.errorMessage);
+			return false;
+		}
+		// Optionally give money to the landlord
+		OfflinePlayer landlordPlayer = null;
+		if(getLandlord() != null) {
+			landlordPlayer = Bukkit.getOfflinePlayer(getLandlord());
+		}
+		String landlordName = getLandlordName();
+		if(landlordName != null) {
+			if(landlordPlayer != null && landlordPlayer.getName() != null) {
+				r = economy.depositPlayer(landlordPlayer, getWorldName(), price);
+			} else {
+				r = economy.depositPlayer(landlordName, getWorldName(), price);
+			}
+			if(r == null || !r.transactionSuccess()) {
+				AreaShop.warn("Something went wrong with paying '" + landlordName + "' " + Utils.formatCurrency(price) + " for his rent of region " + getName() + " to " + offlinePlayer.getName());
+			}
+		}
+
+		// Get the time until the region will be rented
+		Calendar calendar = Calendar.getInstance();
+		if(extendToMax) {
+			calendar.setTimeInMillis(calendar.getTimeInMillis() + getMaxRentTime());
+		} else if(extend) {
+			calendar.setTimeInMillis(getRentedUntil() + getDuration());
+		} else {
+			calendar.setTimeInMillis(calendar.getTimeInMillis() + getDuration());
+		}
+
+		// Add values to the rent and send it to FileManager
+		setRentedUntil(calendar.getTimeInMillis());
+		setRenter(offlinePlayer.getUniqueId());
+		updateLastActiveTime();
+
+		// Fire schematic event and updated times extended
+		if(!extend) {
+			this.handleSchematicEvent(RegionEvent.RENTED);
+			setTimesExtended(0);
+		} else {
+			setTimesExtended(getTimesExtended() + 1);
+		}
+
+		// Send message to the player
+		if(extendToMax) {
+			message(offlinePlayer, "rent-extendedToMax");
+		} else if(extend) {
+			message(offlinePlayer, "rent-extended");
+		} else {
+			message(offlinePlayer, "rent-rented");
+		}
+
+		// Notify about updates
+		this.notifyAndUpdate(new RentedRegionEvent(this, extend));
+		return true;
 	}
 
 	/**
@@ -650,20 +668,19 @@ public class RentRegion extends GeneralRegion {
 			}
 		}
 
-		if(plugin.getEconomy() == null) {
+		if(economy == null) {
 			return false;
 		}
 
 		// Broadcast and check event
-		UnrentingRegionEvent event = new UnrentingRegionEvent(this);
-		Bukkit.getPluginManager().callEvent(event);
-		if(event.isCancelled()) {
-			message(executor, "general-cancelled", event.getReason());
+		UnrentingRegionEvent unrentingRegionEvent = new UnrentingRegionEvent(this);
+		Bukkit.getPluginManager().callEvent(unrentingRegionEvent);
+		if(unrentingRegionEvent.isCancelled()) {
+			message(executor, "general-cancelled", unrentingRegionEvent.getReason());
 			return false;
 		}
 
-		// Run commands
-		this.runEventCommands(RegionEvent.UNRENTED, true);
+		// Do a payback
 		double moneyBack = getMoneyBackAmount();
 		if(moneyBack > 0 && giveMoneyBack) {
 			boolean noPayBack = false;
@@ -675,9 +692,9 @@ public class RentRegion extends GeneralRegion {
 			EconomyResponse r;
 			if(landlordName != null) {
 				if(landlordPlayer != null && landlordPlayer.getName() != null) {
-					r = plugin.getEconomy().withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordPlayer, getWorldName(), moneyBack);
 				} else {
-					r = plugin.getEconomy().withdrawPlayer(landlordName, getWorldName(), moneyBack);
+					r = economy.withdrawPlayer(landlordName, getWorldName(), moneyBack);
 				}
 				if(r == null || !r.transactionSuccess()) {
 					noPayBack = true;
@@ -691,9 +708,9 @@ public class RentRegion extends GeneralRegion {
 				boolean error = false;
 				try {
 					if(player.getName() != null) {
-						r = plugin.getEconomy().depositPlayer(player, getWorldName(), moneyBack);
+						r = economy.depositPlayer(player, getWorldName(), moneyBack);
 					} else if(getPlayerName() != null) {
-						r = plugin.getEconomy().depositPlayer(getPlayerName(), getWorldName(), moneyBack);
+						r = economy.depositPlayer(getPlayerName(), getWorldName(), moneyBack);
 					}
 				} catch(Exception e) {
 					error = true;
@@ -704,25 +721,26 @@ public class RentRegion extends GeneralRegion {
 			}
 		}
 
-		// Send messages
-		message(executor, "unrent-unrented");
-
 		// Handle schematic save/restore (while %uuid% is still available)
 		handleSchematicEvent(RegionEvent.UNRENTED);
 
+		// Send message: before actual removal of the renter so that it is still available for variables
+		message(executor, "unrent-unrented");
+
 		// Remove friends, the owner and renteduntil values
 		getFriendsFeature().clearFriends();
 		UUID oldRenter = getRenter();
-		setRenter(null);
 		setRentedUntil(null);
 		setTimesExtended(-1);
 		removeLastActiveTime();
 
 		// Notify about updates
-		this.notifyAndUpdate(new UnrentedRegionEvent(this, oldRenter, Math.max(0, moneyBack)));
+		Bukkit.getPluginManager().callEvent(new UnrentedRegionEvent(this, oldRenter, Math.max(0, moneyBack)));
+		// Placed here so when event is passed, the player renting can still be accessed
+		setRenter(null);
+		// Update world (has to be after setting renter to null)
+		this.update();
 
-		// Run commands
-		this.runEventCommands(RegionEvent.UNRENTED, false);
 		return true;
 	}
 

AreaShop/src/main/java/me/wiefferink/areashop/tools/Analytics.java

@@ -1,147 +0,0 @@
-package me.wiefferink.areashop.tools;
-
-import me.wiefferink.areashop.AreaShop;
-import me.wiefferink.areashop.regions.BuyRegion;
-import me.wiefferink.areashop.regions.GeneralRegion;
-import me.wiefferink.areashop.regions.RentRegion;
-import org.bstats.Metrics;
-
-import java.util.HashMap;
-
-public class Analytics {
-
-	/**
-	 * Start analytics tracking.
-	 */
-	public static void start() {
-		// Legacy MCstats statistics (remove at some point)
-		try {
-			new me.wiefferink.areashop.lib.Metrics(AreaShop.getInstance()).start();
-			AreaShop.debug("Started mcstats.org statistics service");
-		} catch(Exception e) {
-			AreaShop.debug("Could not start mcstats.org statistics service");
-		}
-
-		// bStats statistics
-		try {
-			Metrics metrics = new Metrics(AreaShop.getInstance());
-
-			// Number of regions
-			metrics.addCustomChart(new Metrics.SingleLineChart("region_count") {
-				@Override
-				public int getValue() {
-					return AreaShop.getInstance().getFileManager().getRegions().size();
-				}
-			});
-
-			// Number of rental regions
-			metrics.addCustomChart(new Metrics.SingleLineChart("rental_region_count") {
-				@Override
-				public int getValue() {
-					return AreaShop.getInstance().getFileManager().getRents().size();
-				}
-			});
-
-			// Number of buy regions
-			metrics.addCustomChart(new Metrics.SingleLineChart("buy_region_count") {
-				@Override
-				public int getValue() {
-					return AreaShop.getInstance().getFileManager().getBuys().size();
-				}
-			});
-
-			// Language
-			metrics.addCustomChart(new Metrics.SimplePie("language") {
-				@Override
-				public String getValue() {
-					return AreaShop.getInstance().getConfig().getString("language");
-				}
-			});
-
-			// Pie with region states
-			metrics.addCustomChart(new Metrics.AdvancedPie("region_state") {
-				@Override
-				public HashMap<String, Integer> getValues(HashMap<String, Integer> result) {
-					RegionStateStats stats = getStateStats();
-					result.put("For Rent", stats.forrent);
-					result.put("Rented", stats.rented);
-					result.put("For Sale", stats.forsale);
-					result.put("Sold", stats.sold);
-					result.put("Reselling", stats.reselling);
-					return result;
-				}
-			});
-
-			// Time series of each region state
-			metrics.addCustomChart(new Metrics.SingleLineChart("forrent_region_count") {
-				@Override
-				public int getValue() {
-					return getStateStats().forrent;
-				}
-			});
-			metrics.addCustomChart(new Metrics.SingleLineChart("rented_region_count") {
-				@Override
-				public int getValue() {
-					return getStateStats().rented;
-				}
-			});
-			metrics.addCustomChart(new Metrics.SingleLineChart("forsale_region_count") {
-				@Override
-				public int getValue() {
-					return getStateStats().forsale;
-				}
-			});
-			metrics.addCustomChart(new Metrics.SingleLineChart("sold_region_count") {
-				@Override
-				public int getValue() {
-					return getStateStats().sold;
-				}
-			});
-			metrics.addCustomChart(new Metrics.SingleLineChart("reselling_region_count") {
-				@Override
-				public int getValue() {
-					return getStateStats().reselling;
-				}
-			});
-
-			// TODO track rent/buy/unrent/sell/resell actions (so that it can be reported per collection interval)
-
-			AreaShop.debug("Started bstats.org statistics service");
-		} catch(Exception e) {
-			AreaShop.debug("Could not start bstats.org statistics service");
-		}
-	}
-
-	private static class RegionStateStats {
-		int forrent = 0;
-		int forsale = 0;
-		int rented = 0;
-		int sold = 0;
-		int reselling = 0;
-	}
-
-	private static RegionStateStats getStateStats() {
-		RegionStateStats result = new RegionStateStats();
-		for(GeneralRegion region : AreaShop.getInstance().getFileManager().getRegions()) {
-			if(region instanceof RentRegion) {
-				RentRegion rent = (RentRegion)region;
-				if(rent.isAvailable()) {
-					result.forrent++;
-				} else {
-					result.rented++;
-				}
-			} else if(region instanceof BuyRegion) {
-				BuyRegion buy = (BuyRegion)region;
-				if(buy.isAvailable()) {
-					result.forsale++;
-				} else if(buy.isInResellingMode()) {
-					result.reselling++;
-				} else {
-					result.sold++;
-				}
-			}
-		}
-		return result;
-	}
-
-}

AreaShop/src/main/java/me/wiefferink/areashop/tools/BukkitSchedulerExecutor.java

@@ -0,0 +1,26 @@
+package me.wiefferink.areashop.tools;
+
+
+import jakarta.inject.Inject;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.scheduler.BukkitScheduler;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.concurrent.Executor;
+
+public class BukkitSchedulerExecutor implements Executor {
+
+    private final Plugin plugin;
+    private final BukkitScheduler scheduler;
+
+    @Inject
+    public BukkitSchedulerExecutor(@NotNull Plugin plugin, @NotNull BukkitScheduler scheduler) {
+        this.plugin = plugin;
+        this.scheduler = scheduler;
+    }
+
+    @Override
+    public void execute(@NotNull Runnable command) {
+        this.scheduler.runTask(this.plugin, command);
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/GithubUpdateCheck.java

@@ -20,7 +20,7 @@ public class GithubUpdateCheck {
 
 	public static final String API_HOST = "https://api.github.com/repos";
 	public static final String API_LATEST_RELEASE = "releases/latest";
-	public static final String USER_AGENT = "GithubUpdateCheck by NLThijs48";
+	public static final String USER_AGENT = "md5sha256 AreaShop GithubUpdateCheck";
 	public static final boolean DEBUG = false;
 
 	private final String author;
@@ -49,8 +49,8 @@ public class GithubUpdateCheck {
 		this.author = author;
 		this.repository = repository;
 		this.currentVersion = plugin.getDescription().getVersion();
-		this.versionComparator = (latestVersion, currentVersion) ->
-				!latestVersion.equalsIgnoreCase(currentVersion);
+		this.versionComparator = (latest, current) ->
+				!latest.equalsIgnoreCase(current);
 
 		this.checking = false;
 		this.error = false;

AreaShop/src/main/java/me/wiefferink/areashop/tools/LanguageConverter.java

@@ -0,0 +1,89 @@
+package me.wiefferink.areashop.tools;
+
+import me.wiefferink.interactivemessenger.generators.TellrawGenerator;
+import me.wiefferink.interactivemessenger.parsers.YamlParser;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
+import net.md_5.bungee.api.chat.BaseComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
+import org.spongepowered.configurate.ConfigurateException;
+import org.spongepowered.configurate.ConfigurationNode;
+import org.spongepowered.configurate.loader.HeaderMode;
+import org.spongepowered.configurate.yaml.NodeStyle;
+import org.spongepowered.configurate.yaml.YamlConfigurationLoader;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+public class LanguageConverter {
+
+    public static void performConversion(ConfigurationNode root) throws ConfigurateException {
+        if (!root.isMap()) {
+            convertNode(root);
+            return;
+        }
+        Map<Object, ? extends ConfigurationNode> map = root.childrenMap();
+        for (Map.Entry<Object, ? extends ConfigurationNode> entry : map.entrySet()) {
+            ConfigurationNode node = entry.getValue();
+            if (node.isMap()) {
+                performConversion(node);
+            } else {
+                convertNode(node);
+            }
+        }
+    }
+
+    public static void performConversion(File toConvert, File output) throws IOException {
+        YamlConfigurationLoader loader = YamlConfigurationLoader.builder()
+                .source(() -> new BufferedReader(new FileReader(toConvert, StandardCharsets.UTF_8)))
+                .sink(() -> new BufferedWriter(new FileWriter(output, StandardCharsets.UTF_8)))
+                .headerMode(HeaderMode.PRESERVE)
+                .nodeStyle(NodeStyle.BLOCK)
+                .build();
+        ConfigurationNode root = loader.load();
+        performConversion(root);
+        loader.save(root);
+    }
+
+    public static List<String> convertRawList(List<String> messages) {
+        List<String> jsonMessages = TellrawGenerator.generate(YamlParser.parse(messages));
+        List<String> converted = new ArrayList<>();
+        for (String json : jsonMessages) {
+            BaseComponent[] bungeeComponents = ComponentSerializer.parse(json);
+            Component convertedComponent = BungeeComponentSerializer.get()
+                    .deserialize(bungeeComponents);
+            String miniMessage = MiniMessage.miniMessage()
+                    .serialize(convertedComponent);
+            converted.add(miniMessage);
+        }
+        return converted;
+    }
+
+    private static void convertNode(ConfigurationNode node) throws ConfigurateException {
+        boolean isList = node.isList();
+        List<String> messages;
+        if (isList) {
+            messages = node.getList(String.class, Collections.emptyList());
+        } else {
+            messages = Collections.singletonList(node.getString());
+        }
+        List<String> converted = convertRawList(messages);
+        if (converted.size() == 1) {
+            node.set(String.class, converted.get(0));
+        } else {
+            node.setList(String.class, converted);
+        }
+    }
+
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/Materials.java

@@ -1,61 +1,29 @@
 package me.wiefferink.areashop.tools;
 
-import me.wiefferink.areashop.AreaShop;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
-
-import java.util.Arrays;
-import java.util.List;
+import org.bukkit.Tag;
 
 public class Materials {
 
-	private static boolean legacyMaterials = false;
-
-	static {
-		List<String> legacyMaterialVersions = Arrays.asList("1.7", "1.8", "1.9", "1.10", "1.11", "1.12");
-		for(String legacyMaterialVersion : legacyMaterialVersions) {
-			String version = Bukkit.getBukkitVersion();
-			// Detects '1.8', '1.8.3', '1.8-pre1' style versions
-			if(version.equals(legacyMaterialVersion)
-					|| version.startsWith(legacyMaterialVersion + ".")
-					|| version.startsWith(legacyMaterialVersion + "-")) {
-				legacyMaterials = true;
-				break;
-			}
-		}
-	}
-
-	public static final Material wallSign = get("WALL_SIGN");
-	public static final Material floorSign = get("SIGN", "SIGN_POST");
-
-	/**
-	 * Get Material version independent.
-	 * @param name Name in 1.13 and later (uppercase, with underscores)
-	 * @return Material matching the name
-	 */
-	public static Material get(String name) {
-		return get(name, null);
+	private Materials() {
 	}
 
 	/**
-	 * Get Material version independent.
-	 * @param name Name in 1.13 and later (uppercase, with underscores)
-	 * @param legacyName Name in 1.12 and earlier (uppercase, with underscores)
-	 * @return Material matching the name
+	 * Get material based on a sign material name.
+	 * @param name Name of the sign material
+	 * @return null if not a sign, otherwise the material matching the name (when the material is not available on the current minecraft version, it returns the base type)
 	 */
-	public static Material get(String name, String legacyName) {
-		Material result;
-		if (legacyMaterials && legacyName != null) {
-			result = Material.getMaterial(legacyName);
-		} else {
-			result = Material.getMaterial(name);
+	public static Material signNameToMaterial(String name) {
+		// Expected null case
+		if (!isSign(name)) {
+			return null;
 		}
-
-		if (result == null) {
-			AreaShop.debug("Materials.get() null result:", name, legacyName);
+		try {
+			return Material.getMaterial(name);
+		} catch (IllegalArgumentException ex) {
+			ex.printStackTrace();
 		}
-
-		return result;
+		return null;
 	}
 
 	/**
@@ -64,7 +32,20 @@ public class Materials {
 	 * @return true if the given material is a sign
 	 */
 	public static boolean isSign(Material material) {
-		return material != null && material.name().contains("SIGN");
+		return Tag.SIGNS.isTagged(material);
+	}
+
+	/**
+	 * Check if a Material is a sign (of either the wall or floor type).
+	 * @param name String to check
+	 * @return true if the given material is a sign
+	 */
+	public static boolean isSign(String name) {
+		try {
+			return isSign(Material.getMaterial(name));
+		} catch (IllegalArgumentException ex) {
+			return false;
+		}
 	}
 
 }

AreaShop/src/main/java/me/wiefferink/areashop/tools/OperandParser.java

@@ -0,0 +1,152 @@
+package me.wiefferink.areashop.tools;
+
+/**
+ * Parse math from a string
+ * Adapted from:
+ * https://stackoverflow.com/questions/3422673/how-to-evaluate-a-math-expression-given-in-string-form
+ */
+public final class OperandParser {
+
+    private final String str;
+
+    private OperandParser(final String str) {
+        this.str = str;
+    }
+
+    public static double parse(final String str) throws ParseException {
+        return new OperandParser(str).parse();
+    }
+
+
+    private int pos = -1, ch;
+
+    private void nextChar() {
+        ch = (++pos < str.length()) ? str.charAt(pos) : -1;
+    }
+
+    private boolean eat(int charToEat) {
+        while (ch == ' ') nextChar();
+        if (ch == charToEat) {
+            nextChar();
+            return true;
+        }
+        return false;
+    }
+
+    private double parse() throws ParseException {
+        nextChar();
+        double x = parseExpression();
+        if (pos < str.length())
+        {
+            throw new ParseException("Unexpected: " + (char) ch);
+        }
+        return x;
+    }
+
+    // Grammar:
+    // expression = term | expression `+` term | expression `-` term
+    // term = factor | term `*` factor | term `/` factor
+    // factor = `+` factor | `-` factor | `(` expression `)`
+    //        | number | functionName factor | factor `^` factor
+
+    private double parseExpression() throws ParseException {
+        double x = parseTerm();
+        for (; ; ) {
+            if (eat('+')) {
+                // addition
+                x += parseTerm();
+            }
+            else if (eat('-')) {
+                // subtraction
+                x -= parseTerm();
+            }
+            else return x;
+        }
+    }
+
+    private double parseTerm() throws ParseException {
+        double x = parseFactor();
+        for (; ; ) {
+            if (eat('*')) {
+                // multiplication
+                x *= parseFactor();
+            }
+            else if (eat('/')) {
+                // division
+                x /= parseFactor();
+            }
+            else return x;
+        }
+    }
+
+    private double parseFactor() throws ParseException {
+        if (eat('+')) {
+            // unary plus
+            return parseFactor();
+        }
+        if (eat('-')) {
+            // unary minus
+            return -parseFactor();
+        }
+
+        double x;
+        int startPos = this.pos;
+        if (eat('(')) {
+            // parentheses
+            x = parseExpression();
+            eat(')');
+        } else if ((ch >= '0' && ch <= '9') || ch == '.') {
+            // numbers
+            while ((ch >= '0' && ch <= '9') || ch == '.') {
+                nextChar();
+            }
+            x = Double.parseDouble(str.substring(startPos, this.pos));
+        } else if (ch >= 'a' && ch <= 'z') {
+            // functions
+            while (ch >= 'a' && ch <= 'z') {
+                nextChar();
+            }
+            String func = str.substring(startPos, this.pos);
+            x = parseFactor();
+            x = switch (func) {
+                case "sqrt" -> Math.sqrt(x);
+                case "sin" -> Math.sin(Math.toRadians(x));
+                case "cos" -> Math.cos(Math.toRadians(x));
+                case "tan" -> Math.tan(Math.toRadians(x));
+                default -> throw new ParseException("Unknown function: " + func);
+            };
+        } else {
+            throw new ParseException("Unexpected: " + (char) ch);
+        }
+
+        if (eat('^')) {
+            // exponentiation
+            x = Math.pow(x, parseFactor());
+        }
+
+        return x;
+    }
+
+    public static class ParseException extends Exception {
+
+        public ParseException() {
+        }
+
+        public ParseException(String message) {
+            super(message);
+        }
+
+        public ParseException(String message, Throwable cause) {
+            super(message, cause);
+        }
+
+        public ParseException(Throwable cause) {
+            super(cause);
+        }
+
+        public ParseException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+            super(message, cause, enableSuppression, writableStackTrace);
+        }
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/SignUtils.java

@@ -0,0 +1,97 @@
+package me.wiefferink.areashop.tools;
+
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.BlockState;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.type.Sign;
+import org.bukkit.block.data.type.WallSign;
+
+/**
+ * Sign Utilities class
+ */
+public final class SignUtils {
+
+    private SignUtils() {
+
+    }
+
+    /**
+     * Get the {@link BlockFace} of a sign block
+     * If the passed {@link Block} is not an instance of either
+     * a {@link Sign} or {@link WallSign}, this method will return <code>null</code>
+     *
+     * @param block The sign
+     * @return Returns the {@link BlockFace} of the sign or <code>null</code>
+     */
+    public static BlockFace getSignFacing(Block block) {
+        if (block == null) {
+            return null;
+        }
+
+        BlockState blockState = block.getState();
+        BlockData blockData = blockState.getBlockData();
+
+        if (blockData instanceof WallSign wallSign) {
+            return wallSign.getFacing();
+        } else if (blockData instanceof org.bukkit.block.data.type.Sign sign) {
+            return sign.getRotation();
+        }
+        return null;
+    }
+
+    /**
+     * Set the {@link BlockFace} in which the sign will face
+     * If the passed {@link Block} is not an instance of either
+     * a {@link Sign} or {@link WallSign}, this method will return <code>null</code>.
+     *
+     * @param block  The sign block
+     * @param facing The new {@link BlockFace} the sign should face
+     * @return Returns <code>true</code> if the sign was successfully placed, <code>false</code> otherwise
+     */
+    public static boolean setSignFacing(Block block, BlockFace facing) {
+        if (block == null || facing == null) {
+            return false;
+        }
+
+        BlockState blockState = block.getState();
+        BlockData blockData = blockState.getBlockData();
+
+        if (blockData instanceof WallSign wallSign) {
+            wallSign.setFacing(facing);
+        } else if (blockData instanceof org.bukkit.block.data.type.Sign sign) {
+            sign.setRotation(facing);
+        } else {
+            return false;
+        }
+        block.setBlockData(blockData);
+        return true;
+    }
+
+    /**
+     * Get the {@link Block} which a given sign is attached to.
+     * This method will return <code>null</code> if the passed {@link Block}
+     * is not an instance of either a {@link Sign} or {@link WallSign}.
+     *
+     * @param block The sign {@link Block}
+     * @return Returns the block which the sign is attached to or null
+     */
+    public static Block getSignAttachedTo(Block block) {
+        if (block == null) {
+            return null;
+        }
+
+        BlockState blockState = block.getState();
+
+        BlockData blockData = blockState.getBlockData();
+
+        if (blockData instanceof WallSign wallSign) {
+            return block.getRelative(wallSign.getFacing().getOppositeFace());
+        } else if (blockData instanceof Sign) {
+            return block.getRelative(BlockFace.DOWN);
+        }
+
+        return null;
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/SimpleMessageBridge.java

@@ -0,0 +1,81 @@
+package me.wiefferink.areashop.tools;
+
+import com.google.inject.Singleton;
+import me.wiefferink.areashop.AreaShop;
+import me.wiefferink.areashop.MessageBridge;
+import me.wiefferink.interactivemessenger.Log;
+import me.wiefferink.interactivemessenger.generators.ConsoleGenerator;
+import me.wiefferink.interactivemessenger.generators.TellrawGenerator;
+import me.wiefferink.interactivemessenger.parsers.YamlParser;
+import me.wiefferink.interactivemessenger.processing.Message;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.apache.commons.lang.exception.ExceptionUtils;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.util.List;
+import java.util.logging.Logger;
+
+@Singleton
+public class SimpleMessageBridge implements MessageBridge {
+
+    /**
+     * Send a message to a target without a prefix.
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    @Override
+    public void messageNoPrefix(Object target, String key, Object... replacements) {
+        Message m = Message.fromKey(key).replacements(replacements);
+        send(m, target);
+    }
+
+    public static void send(Message message, Object target) {
+        if(AreaShop.useMiniMessage()) {
+
+            if(target instanceof Audience audience) {
+                if(message.get() == null || message.get().isEmpty() || (message.get().size() == 1 && message.get()
+                        .get(0)
+                        .isEmpty())) {
+                    return;
+                }
+                message.doReplacements();
+
+                StringBuilder messageStr = new StringBuilder();
+                for(String line : message.get()) {
+                    messageStr.append(line);
+                }
+
+                MiniMessage mm = MiniMessage.miniMessage();
+                Component parsed = mm.deserialize(messageStr.toString());
+                audience.sendMessage(parsed);
+            }
+            else {
+                AreaShop.error("AreaShop sent a non-supported Object as the Audience for a Message!");
+            }
+        } else {
+            message.send(target);
+        }
+    }
+
+    /**
+     * Send a message to a target, prefixed by the default chat prefix.
+     * @param target       The target to send the message to
+     * @param key          The key of the language string
+     * @param replacements The replacements to insert in the message
+     */
+    @Override
+    public void message(Object target, String key, Object... replacements) {
+        Message m = Message.fromKey(key).prefix().replacements(replacements);
+        send(m, target);
+    }
+
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/SpigotOfflinePlayerHelper.java

@@ -0,0 +1,42 @@
+package me.wiefferink.areashop.tools;
+
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.Server;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+
+public class SpigotOfflinePlayerHelper implements OfflinePlayerHelper {
+
+    private final Plugin plugin;
+
+    public SpigotOfflinePlayerHelper(@NotNull Plugin plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    public CompletableFuture<Optional<UUID>> lookupUuidAsync(String username) {
+        return lookupOfflinePlayerAsync(username).thenApply(player -> {
+            if (player.hasPlayedBefore()) {
+                return Optional.of(player.getUniqueId());
+            }
+            return Optional.empty();
+        });
+    }
+
+    @Override
+    public CompletableFuture<OfflinePlayer> lookupOfflinePlayerAsync(String username) {
+        final CompletableFuture<OfflinePlayer> future = new CompletableFuture<>();
+        final Server server = this.plugin.getServer();
+        server.getScheduler().runTaskAsynchronously(this.plugin, () -> {
+            @SuppressWarnings("deprecation")
+            OfflinePlayer player = server.getOfflinePlayer(username);
+            future.complete(player);
+        });
+        return future;
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/SpigotPlatform.java

@@ -0,0 +1,20 @@
+package me.wiefferink.areashop.tools;
+
+import me.wiefferink.areashop.adapters.platform.MinecraftPlatform;
+import me.wiefferink.areashop.adapters.platform.OfflinePlayerHelper;
+import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+
+public class SpigotPlatform implements MinecraftPlatform {
+
+    private final OfflinePlayerHelper offlinePlayerHelper;
+
+    public SpigotPlatform(@NotNull Plugin plugin) {
+        this.offlinePlayerHelper = new SpigotOfflinePlayerHelper(plugin);
+    }
+
+    @Override
+    public OfflinePlayerHelper offlinePlayerHelper() {
+        return this.offlinePlayerHelper;
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/Utils.java

@@ -2,8 +2,10 @@ package me.wiefferink.areashop.tools;
 
 import com.sk89q.worldguard.protection.managers.RegionManager;
 import com.sk89q.worldguard.protection.regions.ProtectedRegion;
+import jakarta.inject.Inject;
 import me.wiefferink.areashop.AreaShop;
 import me.wiefferink.areashop.interfaces.WorldEditSelection;
+import me.wiefferink.areashop.interfaces.WorldGuardInterface;
 import me.wiefferink.areashop.regions.BuyRegion;
 import me.wiefferink.areashop.regions.GeneralRegion;
 import me.wiefferink.areashop.regions.RentRegion;
@@ -22,9 +24,6 @@ import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.util.Vector;
 
-import javax.script.ScriptEngine;
-import javax.script.ScriptEngineManager;
-import javax.script.ScriptException;
 import java.lang.reflect.Method;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
@@ -45,6 +44,11 @@ public class Utils {
 	private Utils() {
 	}
 
+	@Inject
+	private static AreaShop plugin;
+	@Inject
+	private static WorldGuardInterface worldGuardInterface;
+
 	private static YamlConfiguration config;
 	private static Set<String> identifiers;
 	private static Set<String> seconds;
@@ -54,7 +58,6 @@ public class Utils {
 	private static Set<String> weeks;
 	private static Set<String> months;
 	private static Set<String> years;
-	private static ScriptEngine scriptEngine;
 	private static Map<Double, String> suffixes;
 
 	/**
@@ -265,7 +268,7 @@ public class Utils {
 	public static String millisToHumanFormat(long milliseconds) {
 		long timeLeft = milliseconds + 500;
 		// To seconds
-		timeLeft = timeLeft / 1000;
+		timeLeft /= 1000;
 		if(timeLeft <= 0) {
 			return Message.fromKey("timeleft-ended").getPlain();
 		} else if(timeLeft == 1) {
@@ -274,27 +277,27 @@ public class Utils {
 			return Message.fromKey("timeleft-seconds").replacements(timeLeft).getPlain();
 		}
 		// To minutes
-		timeLeft = timeLeft / 60;
+		timeLeft /= 60;
 		if(timeLeft <= 120) {
 			return Message.fromKey("timeleft-minutes").replacements(timeLeft).getPlain();
 		}
 		// To hours
-		timeLeft = timeLeft / 60;
+		timeLeft /= 60;
 		if(timeLeft <= 48) {
 			return Message.fromKey("timeleft-hours").replacements(timeLeft).getPlain();
 		}
 		// To days
-		timeLeft = timeLeft / 24;
+		timeLeft /= 24;
 		if(timeLeft <= 60) {
 			return Message.fromKey("timeleft-days").replacements(timeLeft).getPlain();
 		}
 		// To months
-		timeLeft = timeLeft / 30;
+		timeLeft /= 30;
 		if(timeLeft <= 24) {
 			return Message.fromKey("timeleft-months").replacements(timeLeft).getPlain();
 		}
 		// To years
-		timeLeft = timeLeft / 12;
+		timeLeft /= 12;
 		return Message.fromKey("timeleft-years").replacements(timeLeft).getPlain();
 	}
 
@@ -321,7 +324,7 @@ public class Utils {
 	public static List<GeneralRegion> getRegionsInSelection(WorldEditSelection selection) {
 		ArrayList<GeneralRegion> result = new ArrayList<>();
 		for(ProtectedRegion region : getWorldEditRegionsInSelection(selection)) {
-			GeneralRegion asRegion = AreaShop.getInstance().getFileManager().getRegion(region.getId());
+			GeneralRegion asRegion = plugin.getFileManager().getRegion(region.getId());
 			if(asRegion != null) {
 				result.add(asRegion);
 			}
@@ -346,13 +349,13 @@ public class Utils {
 	public static List<ProtectedRegion> getWorldEditRegionsInSelection(WorldEditSelection selection) {
 		// Get all regions inside or intersecting with the WorldEdit selection of the player
 		World world = selection.getWorld();
-		RegionManager regionManager = AreaShop.getInstance().getRegionManager(world);
+		RegionManager regionManager = plugin.getRegionManager(world);
 		ArrayList<ProtectedRegion> result = new ArrayList<>();
 		Location selectionMin = selection.getMinimumLocation();
 		Location selectionMax = selection.getMaximumLocation();
 		for(ProtectedRegion region : regionManager.getRegions().values()) {
-			Vector regionMin = AreaShop.getInstance().getWorldGuardHandler().getMinimumPoint(region);
-			Vector regionMax = AreaShop.getInstance().getWorldGuardHandler().getMaximumPoint(region);
+			Vector regionMin = worldGuardInterface.getMinimumPoint(region);
+			Vector regionMax = worldGuardInterface.getMaximumPoint(region);
 			if(
 					(      // x part, resolves to true if the selection and region overlap anywhere on the x-axis
 							(regionMin.getBlockX() <= selectionMax.getBlockX() && regionMin.getBlockX() >= selectionMin.getBlockX())
@@ -385,7 +388,7 @@ public class Utils {
 	 */
 	public static List<ProtectedRegion> getImportantWorldEditRegions(Location location) {
 		List<ProtectedRegion> result = new ArrayList<>();
-		Set<ProtectedRegion> regions = AreaShop.getInstance().getWorldGuardHandler().getApplicableRegionsSet(location);
+		Set<ProtectedRegion> regions = worldGuardInterface.getApplicableRegionsSet(location);
 		if(regions != null) {
 			boolean first = true;
 			for(ProtectedRegion pr : regions) {
@@ -455,11 +458,11 @@ public class Utils {
 	 */
 	public static List<GeneralRegion> getImportantRegions(Location location, GeneralRegion.RegionType type) {
 		List<GeneralRegion> result = new ArrayList<>();
-		Set<ProtectedRegion> regions = AreaShop.getInstance().getWorldGuardHandler().getApplicableRegionsSet(location);
+		Set<ProtectedRegion> regions = worldGuardInterface.getApplicableRegionsSet(location);
 		if(regions != null) {
 			List<GeneralRegion> candidates = new ArrayList<>();
 			for(ProtectedRegion pr : regions) {
-				GeneralRegion region = AreaShop.getInstance().getFileManager().getRegion(pr.getId());
+				GeneralRegion region = plugin.getFileManager().getRegion(pr.getId());
 				if(region != null && (
 						(type == GeneralRegion.RegionType.RENT && region instanceof RentRegion)
 								|| (type == GeneralRegion.RegionType.BUY && region instanceof BuyRegion)
@@ -599,7 +602,7 @@ public class Utils {
 	public static long durationStringToLong(String duration) {
 		if(duration == null) {
 			return 0;
-		} else if(duration.equalsIgnoreCase("disabled") || duration.equalsIgnoreCase("unlimited") || duration.length() == 0) {
+		} else if(duration.equalsIgnoreCase("disabled") || duration.equalsIgnoreCase("unlimited") || duration.isEmpty()) {
 			return -1;
 		} else if(duration.indexOf(' ') == -1) {
 			return 0;
@@ -647,7 +650,7 @@ public class Utils {
 		if(config.isLong(path) || config.isInt(path)) {
 			long setting = config.getLong(path);
 			if(setting != -1) {
-				setting = setting * 1000;
+				setting *= 1000;
 			}
 			return setting;
 		} else {
@@ -665,7 +668,7 @@ public class Utils {
 		if(config.isLong(path) || config.isInt(path)) {
 			long setting = config.getLong(path);
 			if(setting != -1) {
-				setting = setting * 60 * 1000;
+				setting *= 60 * 1000;
 			}
 			return setting;
 		} else {
@@ -683,7 +686,7 @@ public class Utils {
 		try {
 			number = Long.parseLong(input);
 			if(number != -1) {
-				number = number * 60 * 1000;
+				number *= 60 * 1000;
 			}
 			return number;
 		} catch(NumberFormatException e) {
@@ -701,7 +704,7 @@ public class Utils {
 		try {
 			number = Long.parseLong(input);
 			if(number != -1) {
-				number = number * 1000;
+				number *= 1000;
 			}
 			return number;
 		} catch(NumberFormatException e) {
@@ -755,16 +758,11 @@ public class Utils {
 			return Double.parseDouble(input);
 		}
 
-		// Lazy init scriptEngine
-		if(scriptEngine == null) {
-			scriptEngine = new ScriptEngineManager().getEngineByName("JavaScript");
-		}
-
 		// Evaluate expression
 		Object result;
 		try {
-			result = scriptEngine.eval(input);
-		} catch(ScriptException e) {
+			result = OperandParser.parse(input);
+		} catch(OperandParser.ParseException e) {
 			AreaShop.warn("Price of region", region.getName(), "is set with an invalid expression: '" + input + "', exception:", ExceptionUtils.getStackTrace(e));
 			return 99999999999.0; // High fallback for safety
 		}

AreaShop/src/main/java/me/wiefferink/areashop/tools/Value.java

@@ -2,29 +2,29 @@ package me.wiefferink.areashop.tools;
 
 public class Value<T> {
 
-	private T value;
+	private T content;
 
 	/**
-	 * Create a container with a default value.
-	 * @param value The value to set
+	 * Create a container with a default content.
+	 * @param content The content to set
 	 */
-	public Value(T value) {
-		this.value = value;
+	public Value(T content) {
+		this.content = content;
 	}
 
 	/**
-	 * Get the stored value.
-	 * @return The stored value
+	 * Get the stored content.
+	 * @return The stored content
 	 */
 	public T get() {
-		return value;
+		return content;
 	}
 
 	/**
-	 * Set the value.
-	 * @param value The new value
+	 * Set the content.
+	 * @param value The new content
 	 */
 	public void set(T value) {
-		this.value = value;
+		this.content = value;
 	}
 }

AreaShop/src/main/java/me/wiefferink/areashop/tools/version/PreReleaseType.java

@@ -0,0 +1,40 @@
+package me.wiefferink.areashop.tools.version;
+
+import javax.annotation.Nullable;
+import java.util.Locale;
+
+public enum PreReleaseType {
+
+    UNKNOWN("unknown"),
+
+    ALPHA("alpha"),
+    BETA("beta"),
+    SNAPSHOT("snapshot"),
+    RELEASE_CANDIDATE("rc");
+
+    private static final PreReleaseType[] VALUES = values();
+
+    private final String asString;
+
+    PreReleaseType(String asString) {
+        this.asString = asString;
+    }
+
+    @Nullable
+    public static PreReleaseType parse(String release) {
+        if (release.isEmpty()) {
+            return null;
+        }
+        String sanitized = release.toLowerCase(Locale.ENGLISH);
+        for (PreReleaseType preReleaseType : VALUES) {
+            if (preReleaseType.asString.equals(sanitized)) {
+                return preReleaseType;
+            }
+        }
+        return UNKNOWN;
+    }
+
+    public String asString() {
+        return this.asString;
+    }
+}

AreaShop/src/main/java/me/wiefferink/areashop/tools/version/Version.java

@@ -0,0 +1,54 @@
+package me.wiefferink.areashop.tools.version;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public record Version(String original, VersionData versionData) {
+
+    /**
+     * Semver pattern, cg1 = major, cg2 = minor, cg3 = patch, cg4 = prerelease and cg5 = buildmetadata
+     * Taken from https://semver.org/ and https://regex101.com/r/vkijKf/1/
+     */
+    public static final Pattern SEMVER_PATTERN = Pattern.compile(
+            "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$");
+
+
+    public static Version parse(String version) {
+        Matcher matcher = SEMVER_PATTERN.matcher(version);
+        if (!matcher.find()) {
+            throw new IllegalArgumentException("Invalid version: " + version);
+        }
+        String majorRaw = matcher.group(1);
+        String minorRaw = matcher.group(2);
+        String patchRaw = matcher.group(3);
+        String preReleaseRaw = matcher.group(4);
+        int major;
+        int minor;
+        try {
+            major = Integer.parseInt(majorRaw);
+            minor = Integer.parseInt(minorRaw);
+        } catch (NumberFormatException ex) {
+            throw new IllegalArgumentException("Invalid version: " + version);
+        }
+        if (patchRaw == null || patchRaw.isEmpty()) {
+            return new Version(version, new VersionData(major, minor, 0, null));
+        }
+        int patch;
+        try {
+            patch = Integer.parseInt(patchRaw);
+        } catch (NumberFormatException ex) {
+            throw new IllegalArgumentException("Invalid version: " + version);
+        }
+        if (preReleaseRaw == null || preReleaseRaw.isEmpty()) {
+            return new Version(version, new VersionData(major, minor, patch, null));
+        }
+        PreReleaseType releaseType = PreReleaseType.parse(preReleaseRaw);
+        return new Version(version, new VersionData(major, minor, patch, releaseType));
+    }
+
+    @Override
+    public String toString() {
+        return this.original;
+    }
+
+}