2.5 Release

Todo: Implementation in command

Maintenance-API/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>maintenance-base</artifactId>
         <groupId>eu.kennytv</groupId>
-        <version>2.4</version>
+        <version>2.5</version>
     </parent>
 
     <artifactId>maintenance-api</artifactId>
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.12.2-R0.1-SNAPSHOT</version>
+            <version>1.13.2-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>

Maintenance-API/src/main/java/eu/kennytv/maintenance/api/bungee/IMaintenanceBungee.java

@@ -0,0 +1,30 @@
+package eu.kennytv.maintenance.api.bungee;
+
+import eu.kennytv.maintenance.api.IMaintenance;
+import net.md_5.bungee.api.config.ServerInfo;
+
+/**
+ * @author KennyTV
+ * @since 2.5
+ */
+public interface IMaintenanceBungee extends IMaintenance {
+
+    /**
+     * Enables/disables maintenance mode on a proxied server.
+     * If enabled, all non-permitted players will be kicked.
+     * If MySQL is enabled, it will also be written into the database.
+     *
+     * @param maintenance true to enable, false to disable maintenance mode
+     */
+    boolean setMaintenanceToServer(ServerInfo server, boolean maintenance);
+
+    /**
+     * @return true if maintenance is currently enabled on the proxied server
+     */
+    boolean isMaintenance(ServerInfo server);
+
+    /**
+     * @return true if a start- or endtimer task is currently running regarding the proxied server
+     */
+    boolean isServerTaskRunning(ServerInfo server);
+}

Maintenance-API/src/main/java/eu/kennytv/maintenance/api/bungee/MaintenanceBungeeAPI.java

@@ -1,29 +1,29 @@
-package eu.kennytv.maintenance.api;
+package eu.kennytv.maintenance.api.bungee;
 
+import eu.kennytv.maintenance.api.IMaintenanceBase;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.plugin.Plugin;
 
 /**
- * Utility class to get the {@link IMaintenance} instance for the BungeeCord version of the plugin.
+ * Utility class to get the {@link IMaintenanceBungee} instance for the BungeeCord version of the plugin.
  * <p>
  * Only access this class if you're running the plugin on a BungeeCord server!
  * </p>
  *
  * @author KennyTV
- * @since 2.1
+ * @since 2.5
  */
 public final class MaintenanceBungeeAPI {
 
     /**
      * Returns API instance of IMaintenance.
      *
-     * @return {@link IMaintenance} instance
+     * @return {@link IMaintenanceBungee} instance
      */
-    public static IMaintenance getAPI() {
+    public static IMaintenanceBungee getAPI() {
         final Plugin maintenance = ProxyServer.getInstance().getPluginManager().getPlugin("MaintenanceBungee");
         if (maintenance == null)
             ProxyServer.getInstance().getLogger().warning("Could not get instance of MaintenanceBungee!");
-
-        return ((IMaintenanceBase) maintenance).getApi();
+        return (IMaintenanceBungee) ((IMaintenanceBase) maintenance).getApi();
     }
 }

Maintenance-API/src/main/java/eu/kennytv/maintenance/api/spigot/MaintenanceSpigotAPI.java

@@ -1,5 +1,7 @@
-package eu.kennytv.maintenance.api;
+package eu.kennytv.maintenance.api.spigot;
 
+import eu.kennytv.maintenance.api.IMaintenance;
+import eu.kennytv.maintenance.api.IMaintenanceBase;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
 
@@ -10,7 +12,7 @@ import org.bukkit.plugin.Plugin;
  * </p>
  *
  * @author KennyTV
- * @since 2.1
+ * @since 2.5
  */
 public final class MaintenanceSpigotAPI {
 
@@ -23,7 +25,6 @@ public final class MaintenanceSpigotAPI {
         final Plugin maintenance = Bukkit.getPluginManager().getPlugin("MaintenanceSpigot");
         if (maintenance == null)
             Bukkit.getLogger().warning("Could not get instance of MaintenanceSpigot!");
-
         return ((IMaintenanceBase) maintenance).getApi();
     }
 }

Maintenance-Bungee/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>maintenance-base</artifactId>
         <groupId>eu.kennytv</groupId>
-        <version>2.4</version>
+        <version>2.5</version>
     </parent>
 
     <artifactId>maintenance-bungee</artifactId>

Maintenance-Bungee/src/main/java/eu/kennytv/maintenance/bungee/MaintenanceBungeePlugin.java

@@ -2,39 +2,52 @@ package eu.kennytv.maintenance.bungee;
 
 import eu.kennytv.maintenance.api.IMaintenance;
 import eu.kennytv.maintenance.api.ISettings;
-import eu.kennytv.maintenance.api.MaintenanceBungeeAPI;
+import eu.kennytv.maintenance.api.bungee.IMaintenanceBungee;
+import eu.kennytv.maintenance.api.bungee.MaintenanceBungeeAPI;
 import eu.kennytv.maintenance.bungee.command.MaintenanceBungeeCommand;
 import eu.kennytv.maintenance.bungee.command.MaintenanceBungeeCommandBase;
 import eu.kennytv.maintenance.bungee.listener.PostLoginListener;
+import eu.kennytv.maintenance.bungee.listener.ServerConnectListener;
 import eu.kennytv.maintenance.bungee.metrics.MetricsLite;
+import eu.kennytv.maintenance.bungee.runnable.SingleMaintenanceRunnable;
 import eu.kennytv.maintenance.core.MaintenanceModePlugin;
+import eu.kennytv.maintenance.core.Settings;
 import eu.kennytv.maintenance.core.hook.ServerListPlusHook;
+import eu.kennytv.maintenance.core.runnable.MaintenanceRunnableBase;
+import eu.kennytv.maintenance.core.util.ServerType;
 import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.plugin.Plugin;
 import net.md_5.bungee.api.plugin.PluginManager;
 import net.minecrell.serverlistplus.core.plugin.ServerListPlusPlugin;
 
 import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
+import java.util.logging.Logger;
 
 /**
  * @author KennyTV
  * @since 1.0
  */
-public final class MaintenanceBungeePlugin extends MaintenanceModePlugin {
+public final class MaintenanceBungeePlugin extends MaintenanceModePlugin implements IMaintenanceBungee {
     private final MaintenanceBungeeBase plugin;
     private final SettingsBungee settings;
+    private final Map<String, Integer> serverTaskIds = new HashMap<>();
 
     MaintenanceBungeePlugin(final MaintenanceBungeeBase plugin) {
-        super("§8[§eMaintenanceBungee§8] ", plugin.getDescription().getVersion());
+        super("§8[§eMaintenanceBungee§8] ", plugin.getDescription().getVersion(), ServerType.BUNGEE);
 
         this.plugin = plugin;
         plugin.getLogger().info("Plugin by KennyTV");
+        plugin.getLogger().info(getUpdateMessage());
 
         settings = new SettingsBungee(this, plugin);
 
         final PluginManager pm = getProxy().getPluginManager();
         pm.registerListener(plugin, new PostLoginListener(this, settings));
+        pm.registerListener(plugin, new ServerConnectListener(this, settings));
         final MaintenanceBungeeCommand maintenanceCommand = new MaintenanceBungeeCommand(this, settings);
         pm.registerCommand(plugin, new MaintenanceBungeeCommandBase(maintenanceCommand));
 
@@ -61,7 +74,6 @@ public final class MaintenanceBungeePlugin extends MaintenanceModePlugin {
         }
 
         serverActions(maintenance);
-
         if (isTaskRunning())
             cancelTask();
     }
@@ -80,10 +92,63 @@ public final class MaintenanceBungeePlugin extends MaintenanceModePlugin {
     }
 
     @Override
-    public int startMaintenanceRunnable(final Runnable runnable) {
+    public boolean isMaintenance(final ServerInfo server) {
+        return settings.getMaintenanceServers().contains(server.getName());
+    }
+
+    @Override
+    public boolean setMaintenanceToServer(final ServerInfo server, final boolean maintenance) {
+        if (maintenance) {
+            if (!settings.getMaintenanceServers().add(server.getName())) return false;
+
+            final ServerInfo fallback = getProxy().getServerInfo(settings.getFallbackServer());
+            if (fallback == null)
+                plugin.getLogger().warning("The fallback server set in the SpigotServers.yml could not be found! Instead kicking players from that server off the network!");
+            else if (fallback.equals(server))
+                plugin.getLogger().warning("Maintenance has been enabled on the fallback server! If a player joins on a proxied server, they will be kicked completely instead of being sent to the fallback server!");
+            server.getPlayers().forEach(p -> {
+                if (!p.hasPermission("maintenance.bypass") && !settings.getWhitelistedPlayers().containsKey(p.getUniqueId())) {
+                    if (fallback != null && fallback.canAccess(p)) {
+                        p.sendMessage(settings.getMessage("singleMaintenanceActivated").replace("%SERVER%", server.getName()));
+                        p.connect(fallback);
+                    } else
+                        p.disconnect(settings.getMessage("singleMaintenanceKickComplete").replace("%NEWLINE%", "\n").replace("%SERVER%", server.getName()));
+                } else {
+                    p.sendMessage(settings.getMessage("singleMaintenanceActivated").replace("%SERVER%", server.getName()));
+                }
+            });
+        } else {
+            if (!settings.getMaintenanceServers().remove(server.getName())) return false;
+            server.getPlayers().forEach(p -> p.sendMessage(settings.getMessage("singleMaintenanceDeactivated").replace("%SERVER%", server.getName())));
+        }
+
+        /*if (mySQL != null) {
+            mySQL.executeUpdate(serversQuery, "spigotServers-with-maintenance", maintenanceServers, maintenanceServers);
+        } else {
+            spigotServers.set("maintenance-on", maintenanceServers);
+            saveSpigotServers();
+        }*/
+        cancelSingleTask(server);
+        settings.saveServersToConfig();
+        return true;
+    }
+
+    @Override
+    public boolean isServerTaskRunning(final ServerInfo server) {
+        return serverTaskIds.containsKey(server.getName());
+    }
+
+    @Override
+    protected int startMaintenanceRunnable(final Runnable runnable) {
         return getProxy().getScheduler().schedule(plugin, runnable, 0, 1, TimeUnit.SECONDS).getId();
     }
 
+    public MaintenanceRunnableBase startSingleMaintenanceRunnable(final ServerInfo server, final int minutes, final boolean enable) {
+        final MaintenanceRunnableBase runnable = new SingleMaintenanceRunnable(this, (Settings) getSettings(), minutes, enable, server);
+        serverTaskIds.put(server.getName(), getProxy().getScheduler().schedule(plugin, runnable, 0, 1, TimeUnit.SECONDS).getId());
+        return runnable;
+    }
+
     @Override
     public void async(final Runnable runnable) {
         getProxy().getScheduler().runAsync(plugin, runnable);
@@ -96,6 +161,12 @@ public final class MaintenanceBungeePlugin extends MaintenanceModePlugin {
         taskId = 0;
     }
 
+    public void cancelSingleTask(final ServerInfo server) {
+        final Integer task = serverTaskIds.remove(server.getName());
+        if (task != null)
+            getProxy().getScheduler().cancel(task);
+    }
+
     @Override
     public ISettings getSettings() {
         return settings;
@@ -119,4 +190,8 @@ public final class MaintenanceBungeePlugin extends MaintenanceModePlugin {
     public ProxyServer getProxy() {
         return plugin.getProxy();
     }
+
+    public Logger getLogger() {
+        return plugin.getLogger();
+    }
 }

Maintenance-Bungee/src/main/java/eu/kennytv/maintenance/bungee/SettingsBungee.java

@@ -13,20 +13,23 @@ import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.sql.SQLException;
-import java.util.List;
-import java.util.UUID;
+import java.util.*;
 
 public final class SettingsBungee extends Settings {
     private final String updateQuery;
     private final String maintenanceQuery;
+    //private final String serversQuery;
     private final MySQL mySQL;
 
     private final MaintenanceBungeePlugin maintenancePlugin;
     private final MaintenanceBungeeBase plugin;
     private final IPingListener pingListener;
+    private Set<String> maintenanceServers;
     private Configuration config;
     private Configuration language;
     private Configuration whitelist;
+    private Configuration spigotServers;
+    private String fallbackServer;
 
     private long millisecondsToCheck;
     private long lastMySQLCheck;
@@ -44,9 +47,8 @@ public final class SettingsBungee extends Settings {
         if (!plugin.getDataFolder().exists())
             plugin.getDataFolder().mkdirs();
         createFile("bungee-config.yml");
-        createFile("language.yml");
         createFile("WhitelistedPlayers.yml");
-
+        createFile("SpigotServers.yml");
         reloadConfigs();
 
         final Configuration mySQLSection = config.getSection("mysql");
@@ -63,11 +65,13 @@ public final class SettingsBungee extends Settings {
             mySQL.executeUpdate("CREATE TABLE IF NOT EXISTS " + mySQLTable + " (setting VARCHAR(16) PRIMARY KEY, value VARCHAR(255))");
             updateQuery = "INSERT INTO " + mySQLTable + " (setting, value) VALUES (?, ?) ON DUPLICATE KEY UPDATE value = ?";
             maintenanceQuery = "SELECT * FROM " + mySQLTable + " WHERE setting = ?";
+            //serversQuery = "INSERT INTO " + serversTable + " (setting, value) VALUES (?, ?) ON DUPLICATE KEY UPDATE value = ?";
             plugin.getLogger().info("Done!");
         } else {
             mySQL = null;
             updateQuery = null;
             maintenanceQuery = null;
+            //serversQuery = null;
         }
     }
 
@@ -97,14 +101,37 @@ public final class SettingsBungee extends Settings {
         try {
             config = YamlConfiguration.getProvider(YamlConfiguration.class)
                     .load(new InputStreamReader(new FileInputStream(new File(plugin.getDataFolder(), "bungee-config.yml")), StandardCharsets.UTF_8));
-            language = YamlConfiguration.getProvider(YamlConfiguration.class)
-                    .load(new InputStreamReader(new FileInputStream(new File(plugin.getDataFolder(), "language.yml")), StandardCharsets.UTF_8));
             whitelist = YamlConfiguration.getProvider(YamlConfiguration.class).load(new File(plugin.getDataFolder(), "WhitelistedPlayers.yml"));
+            spigotServers = YamlConfiguration.getProvider(YamlConfiguration.class).load(new File(plugin.getDataFolder(), "spigotServers.yml"));
         } catch (final IOException e) {
             throw new RuntimeException("Unable to load Maintenance files!", e);
         }
 
         loadSettings();
+        createAndLoadLanguageFile();
+    }
+
+    private void createAndLoadLanguageFile() {
+        final File file = new File(plugin.getDataFolder(), "language-" + getLanguage() + ".yml");
+        if (!file.exists()) {
+            try (final InputStream in = plugin.getResourceAsStream("language-" + getLanguage() + ".yml")) {
+                Files.copy(in, file.toPath());
+            } catch (final IOException | NullPointerException e) {
+                plugin.getLogger().warning("Unable to provide language " + getLanguage());
+                if (!languageName.equals("en")) {
+                    plugin.getLogger().warning("Falling back to default language: en");
+                    languageName = "en";
+                    createAndLoadLanguageFile();
+                    return;
+                }
+            }
+        }
+        try {
+            language = YamlConfiguration.getProvider(YamlConfiguration.class)
+                    .load(new InputStreamReader(new FileInputStream(new File(plugin.getDataFolder(), "language-" + getLanguage() + ".yml")), StandardCharsets.UTF_8));
+        } catch (final IOException e) {
+            throw new RuntimeException("Unable to load Maintenance language file!", e);
+        }
     }
 
     @Override
@@ -119,11 +146,19 @@ public final class SettingsBungee extends Settings {
 
     @Override
     public void saveWhitelistedPlayers() {
-        final File file = new File(plugin.getDataFolder(), "WhitelistedPlayers.yml");
+        saveFile(whitelist, "WhitelistedPlayers.yml");
+    }
+
+    public void saveSpigotServers() {
+        saveFile(spigotServers, "SpigotServers.yml");
+    }
+
+    private void saveFile(final Configuration config, final String name) {
+        final File file = new File(plugin.getDataFolder(), name);
         try {
-            YamlConfiguration.getProvider(YamlConfiguration.class).save(whitelist, file);
+            YamlConfiguration.getProvider(YamlConfiguration.class).save(config, file);
         } catch (final IOException e) {
-            throw new RuntimeException("Unable to save WhitelistedPlayers.yml!", e);
+            throw new RuntimeException("Unable to save " + name + "!", e);
         }
     }
 
@@ -131,11 +166,18 @@ public final class SettingsBungee extends Settings {
     public void loadExtraSettings() {
         whitelistedPlayers.clear();
         whitelist.getKeys().forEach(key -> whitelistedPlayers.put(UUID.fromString(key), whitelist.getString(key)));
+        fallbackServer = spigotServers.getString("fallback", "hub");
         if (mySQL != null) {
             final long configValue = config.getInt("mysql.update-interval");
             millisecondsToCheck = configValue > 0 ? configValue * 1000 : -1;
             lastMySQLCheck = 0;
-        }
+        }/* else {
+            final List<String> list = spigotServers.getStringList("maintenance-on");
+            maintenanceServers = list == null ? new HashSet<>() : new HashSet<>(list);
+        }*/
+
+        final List<String> list = spigotServers.getStringList("maintenance-on");
+        maintenanceServers = list == null ? new HashSet<>() : new HashSet<>(list);
     }
 
     @Override
@@ -213,7 +255,6 @@ public final class SettingsBungee extends Settings {
             if (millisecondsToCheck != -1)
                 lastMySQLCheck = System.currentTimeMillis();
         }
-
         return maintenance;
     }
 
@@ -235,4 +276,17 @@ public final class SettingsBungee extends Settings {
     public MySQL getMySQL() {
         return mySQL;
     }
+
+    public Set<String> getMaintenanceServers() {
+        return maintenanceServers;
+    }
+
+    public void saveServersToConfig() {
+        spigotServers.set("maintenance-on", new ArrayList<>(maintenanceServers));
+        saveSpigotServers();
+    }
+
+    public String getFallbackServer() {
+        return fallbackServer;
+    }
 }

Maintenance-Bungee/src/main/java/eu/kennytv/maintenance/bungee/command/MaintenanceBungeeCommand.java

@@ -4,22 +4,27 @@ import eu.kennytv.maintenance.bungee.MaintenanceBungeePlugin;
 import eu.kennytv.maintenance.bungee.SettingsBungee;
 import eu.kennytv.maintenance.bungee.util.ProxiedSenderInfo;
 import eu.kennytv.maintenance.core.command.MaintenanceCommand;
+import eu.kennytv.maintenance.core.runnable.MaintenanceRunnableBase;
 import eu.kennytv.maintenance.core.util.SenderInfo;
-import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.chat.ClickEvent;
 import net.md_5.bungee.api.chat.HoverEvent;
 import net.md_5.bungee.api.chat.TextComponent;
+import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 public final class MaintenanceBungeeCommand extends MaintenanceCommand {
+    private final MaintenanceBungeePlugin plugin;
+    private final SettingsBungee settingsBungee;
 
     public MaintenanceBungeeCommand(final MaintenanceBungeePlugin plugin, final SettingsBungee settings) {
         super(plugin, settings, "MaintenanceBungee");
+        this.plugin = plugin;
+        settingsBungee = settings;
     }
 
     @Override
     protected void addPlayerToWhitelist(final SenderInfo sender, final String name) {
-        final ProxiedPlayer selected = ProxyServer.getInstance().getPlayer(name);
+        final ProxiedPlayer selected = plugin.getProxy().getPlayer(name);
         if (selected == null) {
             sender.sendMessage(settings.getMessage("playerNotOnline"));
             return;
@@ -33,7 +38,7 @@ public final class MaintenanceBungeeCommand extends MaintenanceCommand {
 
     @Override
     protected void removePlayerFromWhitelist(final SenderInfo sender, final String name) {
-        final ProxiedPlayer selected = ProxyServer.getInstance().getPlayer(name);
+        final ProxiedPlayer selected = plugin.getProxy().getPlayer(name);
         if (selected == null) {
             if (settings.removeWhitelistedPlayer(name))
                 sender.sendMessage(settings.getMessage("whitelistRemoved").replace("%PLAYER%", name));
@@ -63,4 +68,94 @@ public final class MaintenanceBungeeCommand extends MaintenanceCommand {
         } else
             sender.sendMessage(plugin.getPrefix() + "§aYou already have the latest version of the plugin!");
     }
+
+    @Override
+    protected void handleToggleServerCommand(final SenderInfo sender, final String args[]) {
+        final ServerInfo server = plugin.getProxy().getServerInfo(args[1]);
+        if (server == null) {
+            sender.sendMessage(settings.getMessage("serverNotFound"));
+            return;
+        }
+
+        final boolean maintenance = args[0].equalsIgnoreCase("on");
+        if (maintenance == settingsBungee.getMaintenanceServers().contains(server.getName())) {
+            sender.sendMessage(settings.getMessage(maintenance ? "alreadyEnabled" : "alreadyDisabled"));
+            return;
+        }
+
+        if (!plugin.setMaintenanceToServer(server, maintenance))
+            sender.sendMessage(settings.getMessage(maintenance ? "singleServerAlreadyEnabled" : "singleServerAlreadyDisabled"));
+        else if (!plugin.getProxy().getPlayer(sender.getUuid()).getServer().getInfo().equals(server))
+            sender.sendMessage(settings.getMessage(maintenance ? "singleMaintenanceActivated" : "singleMaintenanceDeactivated").replace("%SERVER%", server.getName()));
+    }
+
+    @Override
+    protected void handleTimerServerCommands(final SenderInfo sender, final String args[]) {
+        if (args[0].equalsIgnoreCase("endtimer")) {
+            if (checkPermission(sender, "servertimer")) return;
+            if (checkTimerArgs(sender, args[2], "singleEndtimerUsage")) return;
+
+            final ServerInfo server = checkSingleTimerArgs(sender, args);
+            if (server == null) return;
+            if (!plugin.isMaintenance(server)) {
+                sender.sendMessage(settings.getMessage("singleServerAlreadyDisabled").replace("%SERVER%", server.getName()));
+                return;
+            }
+            final MaintenanceRunnableBase runnable = plugin.startSingleMaintenanceRunnable(server, Integer.parseInt(args[2]), false);
+            sender.sendMessage(settings.getMessage("endtimerStarted").replace("%TIME%", runnable.getTime()));
+        } else if (args[0].equalsIgnoreCase("starttimer")) {
+            if (checkPermission(sender, "servertimer")) return;
+            if (checkTimerArgs(sender, args[2], "singleStarttimerUsage")) return;
+
+            final ServerInfo server = checkSingleTimerArgs(sender, args);
+            if (server == null) return;
+            if (plugin.isMaintenance(server)) {
+                sender.sendMessage(settings.getMessage("singleServerAlreadyEnabled").replace("%SERVER%", server.getName()));
+                return;
+            }
+
+            final MaintenanceRunnableBase runnable = plugin.startSingleMaintenanceRunnable(server, Integer.parseInt(args[2]), true);
+            sender.sendMessage(settings.getMessage("starttimerStarted").replace("%TIME%", runnable.getTime()));
+        } else if (args[0].equalsIgnoreCase("timer")) {
+            if (args[1].equalsIgnoreCase("abort") || args[1].equalsIgnoreCase("stop") || args[1].equalsIgnoreCase("cancel")) {
+                if (checkPermission(sender, "servertimer")) return;
+                final ServerInfo server = plugin.getProxy().getServerInfo(args[2]);
+                if (server == null) {
+                    sender.sendMessage(settings.getMessage("serverNotFound"));
+                    return;
+                }
+                if (!plugin.isServerTaskRunning(server)) {
+                    sender.sendMessage(settings.getMessage("timerNotRunning"));
+                    return;
+                }
+
+                plugin.cancelSingleTask(server);
+                sender.sendMessage(settings.getMessage("timerCancelled"));
+            } else
+                sendUsage(sender);
+        }
+    }
+
+    @Override
+    protected void showMaintenanceStatus(final SenderInfo sender) {
+        if (settingsBungee.getMaintenanceServers().isEmpty()) {
+            sender.sendMessage(settings.getMessage("singleServerMaintenanceListEmpty"));
+        } else {
+            sender.sendMessage(settings.getMessage("singleServerMaintenanceList"));
+            settingsBungee.getMaintenanceServers().forEach(server -> sender.sendMessage("§8- §b" + server));
+        }
+    }
+
+    private ServerInfo checkSingleTimerArgs(final SenderInfo sender, final String[] args) {
+        final ServerInfo server = plugin.getProxy().getServerInfo(args[1]);
+        if (server == null) {
+            sender.sendMessage(settings.getMessage("serverNotFound"));
+            return null;
+        }
+        if (plugin.isServerTaskRunning(server)) {
+            sender.sendMessage(settings.getMessage("timerAlreadyRunning"));
+            return null;
+        }
+        return server;
+    }
 }

Maintenance-Bungee/src/main/java/eu/kennytv/maintenance/bungee/listener/PostLoginListener.java

@@ -1,6 +1,5 @@
 package eu.kennytv.maintenance.bungee.listener;
 
-import com.google.common.collect.Sets;
 import eu.kennytv.maintenance.bungee.MaintenanceBungeePlugin;
 import eu.kennytv.maintenance.bungee.SettingsBungee;
 import net.md_5.bungee.api.chat.ClickEvent;
@@ -13,13 +12,14 @@ import net.md_5.bungee.api.plugin.Listener;
 import net.md_5.bungee.event.EventHandler;
 import net.md_5.bungee.event.EventPriority;
 
+import java.util.HashSet;
 import java.util.Set;
 import java.util.UUID;
 
 public final class PostLoginListener implements Listener {
     private final MaintenanceBungeePlugin plugin;
     private final SettingsBungee settings;
-    private final Set<UUID> notifiedPlayers = Sets.newHashSet();
+    private final Set<UUID> notifiedPlayers = new HashSet<>();
 
     public PostLoginListener(final MaintenanceBungeePlugin plugin, final SettingsBungee settings) {
         this.plugin = plugin;

Maintenance-Bungee/src/main/java/eu/kennytv/maintenance/bungee/listener/ServerConnectListener.java

@@ -0,0 +1,53 @@
+package eu.kennytv.maintenance.bungee.listener;
+
+import eu.kennytv.maintenance.bungee.MaintenanceBungeePlugin;
+import eu.kennytv.maintenance.bungee.SettingsBungee;
+import net.md_5.bungee.api.config.ServerInfo;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.event.ServerConnectEvent;
+import net.md_5.bungee.api.plugin.Listener;
+import net.md_5.bungee.event.EventHandler;
+import net.md_5.bungee.event.EventPriority;
+
+public final class ServerConnectListener implements Listener {
+    private final MaintenanceBungeePlugin plugin;
+    private final SettingsBungee settings;
+    private boolean warned;
+
+    public ServerConnectListener(final MaintenanceBungeePlugin plugin, final SettingsBungee settings) {
+        this.plugin = plugin;
+        this.settings = settings;
+    }
+
+    @EventHandler(priority = EventPriority.HIGHEST)
+    public void serverConnect(final ServerConnectEvent event) {
+        final ProxiedPlayer p = event.getPlayer();
+        final ServerInfo target = event.getTarget();
+        if (!settings.getMaintenanceServers().contains(target.getName())) return;
+        if (p.hasPermission("maintenance.bypass") || settings.getWhitelistedPlayers().containsKey(p.getUniqueId()))
+            return;
+
+        event.setCancelled(true);
+        if (settings.isJoinNotifications()) {
+            target.getPlayers().stream().filter(player -> player.hasPermission("maintenance.joinnotification"))
+                    .forEach(player -> player.sendMessage(settings.getMessage("joinNotification").replace("%PLAYER%", p.getName())));
+        }
+        // Normal serverconnect
+        if (event.getReason() != ServerConnectEvent.Reason.JOIN_PROXY && event.getReason() != ServerConnectEvent.Reason.KICK_REDIRECT
+                && event.getReason() != ServerConnectEvent.Reason.LOBBY_FALLBACK && event.getReason() != ServerConnectEvent.Reason.SERVER_DOWN_REDIRECT) {
+            p.sendMessage(settings.getMessage("singleMaintenanceKick").replace("%SERVER%", target.getName()));
+            return;
+        }
+
+        // If it's the initial proxy join or a kick from another server, go back to fallback server
+        final ServerInfo fallback = plugin.getProxy().getServerInfo(settings.getFallbackServer());
+        if (fallback == null || !fallback.canAccess(p) || plugin.isMaintenance(fallback)) {
+            p.disconnect(settings.getMessage("singleMaintenanceKickComplete").replace("%NEWLINE%", "\n").replace("%SERVER%", target.getName()));
+            if (!warned) {
+                plugin.getLogger().warning("Could not send player to the fallback server set in the SpigotServers.yml! Instead kicking player off the network!");
+                warned = true;
+            }
+        } else
+            p.connect(fallback);
+    }
+}

Maintenance-Bungee/src/main/java/eu/kennytv/maintenance/bungee/runnable/SingleMaintenanceRunnable.java

@@ -0,0 +1,33 @@
+package eu.kennytv.maintenance.bungee.runnable;
+
+import eu.kennytv.maintenance.bungee.MaintenanceBungeePlugin;
+import eu.kennytv.maintenance.core.MaintenanceModePlugin;
+import eu.kennytv.maintenance.core.Settings;
+import eu.kennytv.maintenance.core.runnable.MaintenanceRunnableBase;
+import net.md_5.bungee.api.config.ServerInfo;
+
+public final class SingleMaintenanceRunnable extends MaintenanceRunnableBase {
+    private final ServerInfo server;
+
+    public SingleMaintenanceRunnable(final MaintenanceModePlugin plugin, final Settings settings, final int minutes,
+                                     final boolean enable, final ServerInfo server) {
+        super(plugin, settings, minutes, enable);
+        this.server = server;
+    }
+
+    @Override
+    protected void finish() {
+        final MaintenanceBungeePlugin plugin = (MaintenanceBungeePlugin) this.plugin;
+        plugin.setMaintenanceToServer(server, enable);
+    }
+
+    @Override
+    protected String startMessageKey() {
+        return settings.getMessage("singleStarttimerBroadcast").replace("%TIME%", getTime()).replace("%SERVER%", server.getName());
+    }
+
+    @Override
+    protected String endMessageKey() {
+        return settings.getMessage("singleEndtimerBroadcast").replace("%TIME%", getTime()).replace("%SERVER%", server.getName());
+    }
+}

Maintenance-Bungee/src/main/java/eu/kennytv/maintenance/bungee/util/ProxiedSenderInfo.java

@@ -7,7 +7,7 @@ import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 import java.util.UUID;
 
-public final class ProxiedSenderInfo extends SenderInfo {
+public final class ProxiedSenderInfo implements SenderInfo {
     private final CommandSender sender;
 
     public ProxiedSenderInfo(final CommandSender sender) {

Maintenance-Bungee/src/main/resources/SpigotServers.yml

@@ -0,0 +1,6 @@
+# Enables maintenance on certain Spigot servers managed by your Bungee instance(s)
+# If it's enabled on a server with players on it, they will be forwarded to the fallback server (or kicked completely if not set correctly)
+maintenance-on:
+  #- SpigotServer1
+  #- AnotherServer
+fallback: hub

Maintenance-Bungee/src/main/resources/bungee-config.yml

@@ -1,5 +1,4 @@
 # MaintenanceBungee Plugin by KennyTV
-# Version ${project.version}
 
 # Enables maintenance-mode.
 enable-maintenance-mode: false
@@ -34,6 +33,10 @@ send-join-notification: false
 # If set to true, the server icon will be changed to maintenance-icon.png in the Bungee main/base-folder.
 custom-maintenance-icon: false
 
+# Changes the language of command feedback/messages.
+# Currently available are: en (English), de (German)
+language: en
+
 # Only enable MySQL if you really know what you are doing.
 mysql:
   use-mysql: false

Maintenance-Core/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>maintenance-base</artifactId>
         <groupId>eu.kennytv</groupId>
-        <version>2.4</version>
+        <version>2.5</version>
     </parent>
 
     <artifactId>maintenance-core</artifactId>

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/MaintenanceModePlugin.java

@@ -3,6 +3,8 @@ package eu.kennytv.maintenance.core;
 import eu.kennytv.maintenance.api.IMaintenance;
 import eu.kennytv.maintenance.core.hook.ServerListPlusHook;
 import eu.kennytv.maintenance.core.runnable.MaintenanceRunnable;
+import eu.kennytv.maintenance.core.util.ServerType;
+import eu.kennytv.maintenance.core.util.Version;
 
 import java.io.*;
 import java.net.HttpURLConnection;
@@ -11,16 +13,19 @@ import java.net.URL;
 import java.net.URLConnection;
 
 public abstract class MaintenanceModePlugin implements IMaintenance {
-    protected final String version;
+    protected final Version version;
     protected ServerListPlusHook serverListPlusHook;
     protected MaintenanceRunnable runnable;
     protected int taskId;
     private final String prefix;
-    private String newestVersion;
+    private final ServerType serverType;
+    private Version newestVersion;
 
-    protected MaintenanceModePlugin(final String prefix, final String version) {
+    protected MaintenanceModePlugin(final String prefix, final String version, final ServerType serverType) {
         this.prefix = prefix;
-        this.version = version;
+        this.version = new Version(version);
+        this.serverType = serverType;
+        checkNewestVersion();
     }
 
     @Override
@@ -30,7 +35,7 @@ public abstract class MaintenanceModePlugin implements IMaintenance {
 
     @Override
     public String getVersion() {
-        return version;
+        return version.toString();
     }
 
     @Override
@@ -43,11 +48,11 @@ public abstract class MaintenanceModePlugin implements IMaintenance {
         taskId = startMaintenanceRunnable(runnable);
     }
 
-    public String getNewestVersion() {
+    public Version getNewestVersion() {
         return newestVersion;
     }
 
-    public abstract int startMaintenanceRunnable(Runnable runnable);
+    protected abstract int startMaintenanceRunnable(Runnable runnable);
 
     public abstract void async(Runnable runnable);
 
@@ -65,6 +70,10 @@ public abstract class MaintenanceModePlugin implements IMaintenance {
         return prefix;
     }
 
+    public ServerType getServerType() {
+        return serverType;
+    }
+
     public String formatedTimer() {
         if (!isTaskRunning()) return "-";
         final int preHours = runnable.getSecondsLeft() / 60;
@@ -73,21 +82,37 @@ public abstract class MaintenanceModePlugin implements IMaintenance {
         return String.format("%02d:%02d:%02d", preHours / 60, minutes, seconds);
     }
 
-    public boolean updateAvailable() {
+    public void checkNewestVersion() {
         try {
             final HttpURLConnection c = (HttpURLConnection) new URL("https://api.spigotmc.org/legacy/update.php?resource=40699").openConnection();
-            final String newVersion = new BufferedReader(new InputStreamReader(c.getInputStream())).readLine().replaceAll("[a-zA-Z -]", "");
+            final String newVersionString = new BufferedReader(new InputStreamReader(c.getInputStream())).readLine();
 
+            final Version newVersion = new Version(newVersionString);
             final boolean available = !newVersion.equals(version);
             if (available)
                 newestVersion = newVersion;
-
-            return available;
         } catch (final Exception ignored) {
-            return false;
         }
     }
 
+    public boolean updateAvailable() {
+        checkNewestVersion();
+        return version.compareTo(newestVersion) == -1;
+    }
+
+    public String getUpdateMessage() {
+        if (version.compareTo(newestVersion) == -1) {
+            return "§cNewest version available: §aVersion " + newestVersion + "§c, you're on §a" + version;
+        } else if (version.compareTo(newestVersion) != 0) {
+            if (version.getTag().equalsIgnoreCase("snapshot")) {
+                return "§cYou're running a development version, please report bugs on the Discord server (https://kennytv.eu/discord) or the GitHub tracker (https://kennytv.eu/maintenance/issues)";
+            } else {
+                return "§cYou're running a version, that doesn't exist! §cN§ai§dc§ee§5!";
+            }
+        }
+        return "You have the latest version of the plugin installed.";
+    }
+
     public boolean installUpdate() {
         try {
             URL url = null;

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/Settings.java

@@ -14,6 +14,7 @@ public abstract class Settings implements ISettings {
     private String playerCountMessage;
     private String playerCountHoverMessage;
     private String kickMessage;
+    protected String languageName;
     private boolean customPlayerCountMessage;
     private boolean customMaintenanceIcon;
     private boolean joinNotifications;
@@ -34,6 +35,7 @@ public abstract class Settings implements ISettings {
         playerCountMessage = getColoredString(getConfigString("playercountmessage"));
         playerCountHoverMessage = getColoredString(getConfigString("playercounthovermessage"));
         kickMessage = getColoredString(getConfigString("kickmessage"));
+        languageName = getConfigString("language").toLowerCase();
         if (customMaintenanceIcon)
             reloadMaintenanceIcon();
 
@@ -62,6 +64,10 @@ public abstract class Settings implements ISettings {
             setToConfig("timer-broadcasts-for-minutes", null);
             fileChanged = true;
         }
+        // 2.5 language
+        if (!configContains("language")) {
+            setToConfig("language", "en");
+        }
 
         if (updateExtraConfig() || fileChanged) {
             saveConfig();
@@ -119,6 +125,10 @@ public abstract class Settings implements ISettings {
         return kickMessage;
     }
 
+    public String getLanguage() {
+        return languageName;
+    }
+
     public void setMaintenance(final boolean maintenance) {
         this.maintenance = maintenance;
     }

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/command/CommandInfo.java

@@ -0,0 +1,21 @@
+package eu.kennytv.maintenance.core.command;
+
+import eu.kennytv.maintenance.core.util.SenderInfo;
+
+final class CommandInfo {
+    private final String[] messages;
+    private final String permission;
+
+    CommandInfo(final String permission, final String... messages) {
+        this.messages = messages;
+        this.permission = permission;
+    }
+
+    public boolean hasPermission(final SenderInfo sender) {
+        return sender.hasPermission("maintenance." + permission);
+    }
+
+    public String[] getMessages() {
+        return messages;
+    }
+}

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/command/MaintenanceCommand.java

@@ -3,20 +3,45 @@ package eu.kennytv.maintenance.core.command;
 import eu.kennytv.maintenance.core.MaintenanceModePlugin;
 import eu.kennytv.maintenance.core.Settings;
 import eu.kennytv.maintenance.core.util.SenderInfo;
+import eu.kennytv.maintenance.core.util.ServerType;
 
-import java.util.Arrays;
-import java.util.Map;
-import java.util.UUID;
+import java.util.*;
 
 public abstract class MaintenanceCommand {
     protected final MaintenanceModePlugin plugin;
     protected final Settings settings;
+    private final List<CommandInfo> commandInfos;
     private final String name;
 
     protected MaintenanceCommand(final MaintenanceModePlugin plugin, final Settings settings, final String name) {
         this.plugin = plugin;
         this.settings = settings;
         this.name = name;
+        this.commandInfos = new ArrayList<>();
+        addCommandInfo("reload", "§6/maintenance reload §7(Reloads the config file, whitelist file and the server-icon)");
+        addCommandInfo("toggle", "§6/maintenance on §7(Enables maintenance mode)", "§6/maintenance off §7(Disables maintenance mode)");
+        if (plugin.getServerType() == ServerType.BUNGEE) {
+            addCommandInfo("toggleserver", "§6/maintenance on <server> §7(Enables maintenance mode on a specific proxied server)",
+                    "§6/maintenance off <server> §7(Disables maintenance mode on a specific proxied server)");
+        }
+        addCommandInfo("timer", "§6/maintenance starttimer <minutes> §7(After the given time in minutes, maintenance mode will be enabled)",
+                "§6/maintenance endtimer <minutes> §7(After the given time in minutes, maintenance mode will be disabled)",
+                "§6/maintenance timer abort §7(If running, the current timer will be aborted)");
+        if (plugin.getServerType() == ServerType.BUNGEE) {
+            addCommandInfo("servertimer", "§6/maintenance starttimer <server> <minutes> §7(After the given time in minutes, maintenance mode will be enabled on the given server)",
+                    "§6/maintenance endtimer <server> <minutes> §7(After the given time in minutes, maintenance mode will be disabled on the given server)",
+                    "§6/maintenance timer abort <server> §7(If running, the timer running for that server will be aborted)");
+        }
+        addCommandInfo("whitelist.list", "§6/maintenance whitelist §7(Shows all whitelisted players for the maintenance mode)");
+        addCommandInfo("whitelist.add", "§6/maintenance add <player> §7(Adds the player to the maintenance whitelist, so they can join the server even though maintenance is enabled)");
+        addCommandInfo("whitelist.remove", "§6/maintenance remove <player> §7(Removes the player from the maintenance whitelist)");
+        addCommandInfo("setmotd", "§6/maintenance setmotd <index> <1/2> <message> §7(Sets a motd for maintenance mode)", "§6/maintenance removemotd <index> §7(Removes a maintenance motd)");
+        addCommandInfo("motd", "§6/maintenance motd §7(Lists the currently set maintenance motds)");
+        addCommandInfo("update", "§6/maintenance update §7(Remotely downloads the newest version of the plugin onto your server)");
+    }
+
+    private void addCommandInfo(final String permission, final String... messages) {
+        commandInfos.add(new CommandInfo(permission, messages));
     }
 
     public void execute(final SenderInfo sender, final String[] args) {
@@ -42,7 +67,6 @@ public abstract class MaintenanceCommand {
             } else if (args[0].equals("forceupdate")) {
                 if (checkPermission(sender, "update")) return;
                 sender.sendMessage(settings.getMessage("updateDownloading"));
-
                 if (plugin.installUpdate())
                     sender.sendMessage(settings.getMessage("updateFinished"));
                 else
@@ -70,61 +94,40 @@ public abstract class MaintenanceCommand {
                     }
                 }
                 sender.sendMessage("§8§m----------");
+            } else if (args[0].equalsIgnoreCase("status") && plugin.getServerType() == ServerType.BUNGEE) {
+                if (checkPermission(sender, "status")) return;
+                showMaintenanceStatus(sender);
             } else
                 sendUsage(sender);
         } else if (args.length == 2) {
-            if (args[0].equalsIgnoreCase("endtimer")) {
-                if (checkPermission(sender, "timer")) return;
+            if (args[0].equalsIgnoreCase("help")) {
                 if (!isNumeric(args[1])) {
-                    sender.sendMessage(settings.getMessage("endtimerUsage"));
+                    sender.sendMessage(settings.getMessage("helpUsage"));
                     return;
                 }
-                if (plugin.isTaskRunning()) {
-                    sender.sendMessage(settings.getMessage("timerAlreadyRunning"));
+                sendUsage(sender, Integer.parseInt(args[1]));
+            } else if ((args[0].equalsIgnoreCase("on") || args[0].equalsIgnoreCase("off")) && plugin.getServerType() == ServerType.BUNGEE) {
+                if (checkPermission(sender, "toggleserver")) return;
+                handleToggleServerCommand(sender, args);
+            } else if (args[0].equalsIgnoreCase("endtimer")) {
+                if (checkPermission(sender, "timer")) return;
+                if (checkTimerArgs(sender, args[1], "endtimerUsage")) return;
+                if (!plugin.isMaintenance()) {
+                    sender.sendMessage(settings.getMessage("alreadyDisabled"));
                     return;
                 }
-
-                final int minutes = Integer.parseInt(args[1]);
-                if (minutes > 40320) {
-                    sender.sendMessage(settings.getMessage("timerTooLong"));
-                    return;
-                }
-                if (minutes < 1) {
-                    sender.sendMessage("§8§o[KennyTV whispers to you] §c§oThink about running a timer for a negative amount of minutes. Doesn't work §lthat §c§owell.");
-                    return;
-                }
-
-                if (!plugin.isMaintenance())
-                    plugin.setMaintenance(true);
-                plugin.startMaintenanceRunnable(minutes, false);
+                plugin.startMaintenanceRunnable(Integer.parseInt(args[1]), false);
                 sender.sendMessage(settings.getMessage("endtimerStarted").replace("%TIME%", plugin.getRunnable().getTime()));
             } else if (args[0].equalsIgnoreCase("starttimer")) {
                 if (checkPermission(sender, "timer")) return;
-                if (!isNumeric(args[1])) {
-                    sender.sendMessage(settings.getMessage("starttimerUsage"));
-                    return;
-                }
+                if (checkTimerArgs(sender, args[1], "starttimerUsage")) return;
                 if (plugin.isMaintenance()) {
                     sender.sendMessage(settings.getMessage("alreadyEnabled"));
                     return;
                 }
-                if (plugin.isTaskRunning()) {
-                    sender.sendMessage(settings.getMessage("timerAlreadyRunning"));
-                    return;
-                }
-
-                final int minutes = Integer.parseInt(args[1]);
-                if (minutes > 40320) {
-                    sender.sendMessage(settings.getMessage("timerTooLong"));
-                    return;
-                }
-                if (minutes < 1) {
-                    sender.sendMessage("§8§o[KennyTV whispers to you] §c§oThink about running a timer for a negative amount of minutes. Doesn't work §lthat §c§owell.");
-                    return;
-                }
 
+                plugin.startMaintenanceRunnable(Integer.parseInt(args[1]), true);
                 sender.sendMessage(settings.getMessage("starttimerStarted").replace("%TIME%", plugin.getRunnable().getTime()));
-                plugin.startMaintenanceRunnable(minutes, true);
             } else if (args[0].equalsIgnoreCase("timer")) {
                 if (args[1].equalsIgnoreCase("abort") || args[1].equalsIgnoreCase("stop") || args[1].equalsIgnoreCase("cancel")) {
                     if (checkPermission(sender, "timer")) return;
@@ -168,6 +171,8 @@ public abstract class MaintenanceCommand {
                 sender.sendMessage(settings.getMessage("removedMotd").replace("%INDEX%", args[1]));
             } else
                 sendUsage(sender);
+        } else if (args.length == 3 && plugin.getServerType() == ServerType.BUNGEE) {
+            handleTimerServerCommands(sender, args);
         } else if (args.length > 3 && args[0].equalsIgnoreCase("setmotd")) {
             if (checkPermission(sender, "setmotd")) return;
             if (!isNumeric(args[1])) {
@@ -216,40 +221,69 @@ public abstract class MaintenanceCommand {
             sendUsage(sender);
     }
 
-    private void sendUsage(final SenderInfo sender) {
+    protected void sendUsage(final SenderInfo sender) {
+        sendUsage(sender, 1);
+    }
+
+    private static final int COMMANDS_PER_PAGE = 8;
+
+    protected void sendUsage(final SenderInfo sender, final int page) {
+        final List<String> commands = new ArrayList<>();
+        commandInfos.stream().filter(cmd -> cmd.hasPermission(sender)).forEach(cmd -> {
+            for (String message : cmd.getMessages()) {
+                commands.add(message);
+            }
+        });
+        if ((page - 1) * COMMANDS_PER_PAGE > commands.size()) {
+            sender.sendMessage(plugin.getPrefix() + "§cThere is no page with that number!");
+            return;
+        }
+
+        final List<String> filteredCommands;
+        if (page * COMMANDS_PER_PAGE >= commands.size())
+            filteredCommands = commands.subList((page - 1) * COMMANDS_PER_PAGE, commands.size());
+        else
+            filteredCommands = commands.subList((page - 1) * COMMANDS_PER_PAGE, page * COMMANDS_PER_PAGE);
+
         sender.sendMessage("");
-        sender.sendMessage("§8===========[ §e" + name + " §8| §eVersion: §e" + plugin.getVersion() + " §8]===========");
-        if (sender.hasPermission("maintenance.reload"))
-            sender.sendMessage("§6/maintenance reload §7(Reloads the config file, whitelist file and the server-icon)");
-        if (sender.hasPermission("maintenance.toggle")) {
-            sender.sendMessage("§6/maintenance on §7(Enables maintenance mode");
-            sender.sendMessage("§6/maintenance off §7(Disables maintenance mode)");
-        }
-        if (sender.hasPermission("maintenance.timer")) {
-            sender.sendMessage("§6/maintenance starttimer <minutes> §7(After the given time in minutes, maintenance mode will be enabled)");
-            sender.sendMessage("§6/maintenance endtimer <minutes> §7(Enables maintenance mode. After the given time in minutes, maintenance mode will be disabled)");
-            sender.sendMessage("§6/maintenance timer abort §7(If running, the current timer will be aborted)");
-        }
-        if (sender.hasPermission("maintenance.whitelist.list"))
-            sender.sendMessage("§6/maintenance whitelist §7(Shows all whitelisted players for the maintenance mode)");
-        if (sender.hasPermission("maintenance.whitelist.add"))
-            sender.sendMessage("§6/maintenance add <player> §7(Adds the player to the maintenance whitelist, so they can join the server even though maintenance is enabled)");
-        if (sender.hasPermission("maintenance.whitelist.remove"))
-            sender.sendMessage("§6/maintenance remove <player> §7(Removes the player from the maintenance whitelist)");
-        if (sender.hasPermission("maintenance.setmotd")) {
-            sender.sendMessage("§6/maintenance setmotd <index> <1/2> <message> §7(Sets a motd for maintenance mode)");
-            sender.sendMessage("§6/maintenance removemotd <index> §7(Removes a maintenance motd)");
-        }
-        if (sender.hasPermission("maintenance.motd"))
-            sender.sendMessage("§6/maintenance motd §7(Lists the currently set maintenance motds)");
-        if (sender.hasPermission("maintenance.update"))
-            sender.sendMessage("§6/maintenance update §7(Remotely downloads the newest version of the plugin onto your server)");
-        sender.sendMessage("§8× §7Created by §bKennyTV");
-        sender.sendMessage("§8===========[ §e" + name + " §8| §eVersion: §e" + plugin.getVersion() + " §8]===========");
+        sender.sendMessage("§8========[ §e" + name + " §8| §eVersion: §e" + plugin.getVersion() + " §8]========");
+        filteredCommands.forEach(sender::sendMessage);
+        if (page * 10 < commands.size())
+            sender.sendMessage("§7Use §b/maintenance help " + (page + 1) + " §7to get to the next help window.");
+        else
+            sender.sendMessage("§8× §7Created by §bKennyTV");
+        sender.sendMessage("§8========[ §e" + name + " §8| §e" + page + "/" + ((commands.size() + getDivide(commands.size())) / COMMANDS_PER_PAGE) + " §8]========");
         sender.sendMessage("");
     }
 
-    private boolean checkPermission(final SenderInfo sender, final String permission) {
+    private int getDivide(final int size) {
+        final int commandSize = size % COMMANDS_PER_PAGE;
+        return commandSize > 0 ? COMMANDS_PER_PAGE - commandSize : 0;
+    }
+
+    protected boolean checkTimerArgs(final SenderInfo sender, final String time, final String usageKey) {
+        if (!isNumeric(time)) {
+            sender.sendMessage(settings.getMessage(usageKey));
+            return true;
+        }
+        if (plugin.isTaskRunning()) {
+            sender.sendMessage(settings.getMessage("timerAlreadyRunning"));
+            return true;
+        }
+
+        final int minutes = Integer.parseInt(time);
+        if (minutes > 40320) {
+            sender.sendMessage(settings.getMessage("timerTooLong"));
+            return true;
+        }
+        if (minutes < 1) {
+            sender.sendMessage("§8§o[KennyTV whispers to you] §c§oThink about running a timer for a negative amount of minutes. Doesn't work §lthat §c§owell.");
+            return true;
+        }
+        return false;
+    }
+
+    protected boolean checkPermission(final SenderInfo sender, final String permission) {
         if (!sender.hasPermission("maintenance." + permission)) {
             sender.sendMessage(settings.getMessage("noPermission"));
             return true;
@@ -257,7 +291,7 @@ public abstract class MaintenanceCommand {
         return false;
     }
 
-    private boolean isNumeric(final String string) {
+    protected boolean isNumeric(final String string) {
         try {
             Integer.parseInt(string);
         } catch (final NumberFormatException nfe) {
@@ -271,4 +305,13 @@ public abstract class MaintenanceCommand {
     protected abstract void removePlayerFromWhitelist(SenderInfo sender, String name);
 
     protected abstract void checkForUpdate(SenderInfo sender);
+
+    protected void showMaintenanceStatus(SenderInfo sender) {
+    }
+
+    protected void handleToggleServerCommand(SenderInfo sender, String args[]) {
+    }
+
+    protected void handleTimerServerCommands(SenderInfo sender, String args[]) {
+    }
 }

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/runnable/MaintenanceRunnable.java

@@ -3,55 +3,24 @@ package eu.kennytv.maintenance.core.runnable;
 import eu.kennytv.maintenance.core.MaintenanceModePlugin;
 import eu.kennytv.maintenance.core.Settings;
 
-public final class MaintenanceRunnable implements Runnable {
-    private final MaintenanceModePlugin plugin;
-    private final Settings settings;
-    private final boolean enable;
-    private int seconds;
+public final class MaintenanceRunnable extends MaintenanceRunnableBase {
 
     public MaintenanceRunnable(final MaintenanceModePlugin plugin, final Settings settings, final int minutes, final boolean enable) {
-        this.plugin = plugin;
-        this.settings = settings;
-        this.seconds = minutes * 60;
-        this.enable = enable;
+        super(plugin, settings, minutes, enable);
     }
 
     @Override
-    public void run() {
-        if (seconds == 0) {
-            plugin.setMaintenance(enable);
-            if (plugin.isTaskRunning())
-                plugin.cancelTask();
-        } else if (settings.getBroadcastIntervalls().contains(seconds)) {
-            if (enable)
-                plugin.broadcast(settings.getMessage("starttimerBroadcast").replaceAll("%TIME%", getTime()));
-            else
-                plugin.broadcast(settings.getMessage("endtimerBroadcast").replaceAll("%TIME%", getTime()));
-        }
-
-        seconds--;
+    protected void finish() {
+        plugin.setMaintenance(enable);
     }
 
-    public String getTime() {
-        final int preHours = this.seconds / 60;
-        final int minutes = preHours % 60;
-        final int seconds = this.seconds % 60;
-
-        final StringBuilder buider = new StringBuilder();
-        append(buider, "hour", preHours / 60);
-        append(buider, "minute", minutes);
-        append(buider, "second", seconds);
-        return buider.toString();
+    @Override
+    protected String startMessageKey() {
+        return settings.getMessage("starttimerBroadcast").replace("%TIME%", getTime());
     }
 
-    private void append(final StringBuilder builder, final String timeUnit, final int time) {
-        if (time == 0) return;
-        if (builder.length() != 0)
-            builder.append(" ");
-        builder.append(time).append(" ").append(settings.getMessage(time == 1 ? timeUnit : timeUnit + "s"));
-    }
-
-    public int getSecondsLeft() {
-        return seconds;
+    @Override
+    protected String endMessageKey() {
+        return settings.getMessage("endtimerBroadcast").replace("%TIME%", getTime());
     }
 }

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/runnable/MaintenanceRunnableBase.java

@@ -0,0 +1,61 @@
+package eu.kennytv.maintenance.core.runnable;
+
+import eu.kennytv.maintenance.core.MaintenanceModePlugin;
+import eu.kennytv.maintenance.core.Settings;
+
+public abstract class MaintenanceRunnableBase implements Runnable {
+    protected final MaintenanceModePlugin plugin;
+    protected final Settings settings;
+    protected final boolean enable;
+    protected int seconds;
+
+    protected MaintenanceRunnableBase(final MaintenanceModePlugin plugin, final Settings settings, final int minutes, final boolean enable) {
+        this.plugin = plugin;
+        this.settings = settings;
+        this.seconds = minutes * 60;
+        this.enable = enable;
+    }
+
+    @Override
+    public void run() {
+        if (seconds == 0) {
+            finish();
+        } else if (settings.getBroadcastIntervalls().contains(seconds)) {
+            if (enable)
+                plugin.broadcast(startMessageKey());
+            else
+                plugin.broadcast(endMessageKey());
+        }
+
+        seconds--;
+    }
+
+    protected abstract void finish();
+
+    protected abstract String startMessageKey();
+
+    protected abstract String endMessageKey();
+
+    public String getTime() {
+        final int preHours = this.seconds / 60;
+        final int minutes = preHours % 60;
+        final int seconds = this.seconds % 60;
+
+        final StringBuilder buider = new StringBuilder();
+        append(buider, "hour", preHours / 60);
+        append(buider, "minute", minutes);
+        append(buider, "second", seconds);
+        return buider.toString();
+    }
+
+    private void append(final StringBuilder builder, final String timeUnit, final int time) {
+        if (time == 0) return;
+        if (builder.length() != 0)
+            builder.append(" ");
+        builder.append(time).append(" ").append(settings.getMessage(time == 1 ? timeUnit : timeUnit + "s"));
+    }
+
+    public int getSecondsLeft() {
+        return seconds;
+    }
+}

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/util/SenderInfo.java

@@ -2,13 +2,13 @@ package eu.kennytv.maintenance.core.util;
 
 import java.util.UUID;
 
-public abstract class SenderInfo {
+public interface SenderInfo {
 
-    public abstract UUID getUuid();
+    UUID getUuid();
 
-    public abstract String getName();
+    String getName();
 
-    public abstract boolean hasPermission(String permission);
+    boolean hasPermission(String permission);
 
-    public abstract void sendMessage(String message);
+    void sendMessage(String message);
 }

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/util/ServerType.java

@@ -0,0 +1,7 @@
+package eu.kennytv.maintenance.core.util;
+
+public enum ServerType {
+
+    BUNGEE,
+    SPIGOT
+}

Maintenance-Core/src/main/java/eu/kennytv/maintenance/core/util/Version.java

@@ -0,0 +1,76 @@
+package eu.kennytv.maintenance.core.util;
+
+public final class Version implements Comparable<Version> {
+    private final int[] parts = new int[3];
+    private final String version;
+    private final String tag;
+
+    public Version(final String version) {
+        if (version == null || version.isEmpty()) {
+            this.version = "";
+            tag = "";
+            System.out.println("Unknown Maintenance version detected!");
+            return;
+        }
+        final String[] split = version.split("-", 2)[0].split("\\.");
+        for (int i = 0; i < split.length; i++) {
+            if (!isNumeric(split[i])) {
+                this.version = "";
+                tag = "";
+                System.out.println("Unknown Maintenance version detected!");
+                return;
+            }
+            parts[i] = Integer.parseInt(split[i]);
+        }
+
+        this.version = version;
+        tag = version.contains("-") ? version.split("-", 2)[1] : "";
+    }
+
+    /**
+     * Compare two versions
+     *
+     * @param version version to compare to
+     * @return 0 if they are the same, 1 if this version (not the one to compare to) is newer, -1 if older
+     */
+    @Override
+    public int compareTo(final Version version) {
+        if (version == null || version.toString() == null) return 0;
+        final int max = Math.max(this.parts.length, version.parts.length);
+        for (int i = 0; i < max; i += 1) {
+            final int partA = i < this.parts.length ? this.parts[i] : 0;
+            final int partB = i < version.parts.length ? version.parts[i] : 0;
+            if (partA < partB) return -1;
+            if (partA > partB) return 1;
+        }
+
+        if (this.tag.isEmpty() && !version.tag.isEmpty())
+            return 1;
+        if (!this.tag.isEmpty() && version.tag.isEmpty())
+            return -1;
+        return 0;
+    }
+
+    public String getTag() {
+        return tag;
+    }
+
+    @Override
+    public String toString() {
+        return version;
+    }
+
+    @Override
+    public boolean equals(final Object o) {
+        return o instanceof Version && o == this || version.equals(o.toString());
+    }
+
+    private boolean isNumeric(final String string) {
+        try {
+            Integer.parseInt(string);
+        } catch (final NumberFormatException nfe) {
+            return false;
+        }
+        return true;
+    }
+}

Maintenance-Core/src/main/resources/language-de.yml

@@ -0,0 +1,64 @@
+# Maintenance Plugin by KennyTV
+# Wörter zwischen dem '%'-Zeichen nur entfernen, wenn Du wirklich weißt, warum Du sie entfernen willst
+
+noPermission: "&cDu hast nicht die erforderliche Berechtigung für diesen Befehl."
+maintenanceActivated: "&8[&eMaintenance&8] &6Der Wartungsmodus ist nun aktiviert."
+maintenanceDeactivated: "&8[&eMaintenance&8] &6Der Wartungsmodus ist nun deaktiviert."
+alreadyEnabled: "&8[&eMaintenance&8] &cDer Wartungsmodus ist bereits aktiviert!"
+alreadyDisabled: "&8[&eMaintenance&8] &cDer Wartungsmodus ist bereits deaktiviert!"
+helpUsage: "&8[&eMaintenance&8] &c/maintenance help <Seite>"
+endtimerBroadcast: "&8[&eMaintenance&8] &7Der Wartungsmodus wird deaktiviert in: &6%TIME%&7."
+endtimerStarted: "&8[&eMaintenance&8] &aGestarteter Timer: &7Der Wartungsmodus wird deaktiviert in: &6%TIME%&7."
+endtimerUsage: "&8[&eMaintenance&8] &c/maintenance endtimer <Minuten>"
+starttimerBroadcast: "&8[&eMaintenance&8] &7Der Wartungsmodus wird aktiviert in: &6%TIME%&7."
+starttimerStarted: "&8[&eMaintenance&8] &aGestarteter Timer: &7Der Wartungsmodus wird aktiviert in: &6%TIME%&7"
+starttimerUsage: "&8[&eMaintenance&8] &c/maintenance starttimer <Minuten>"
+timerAlreadyRunning: "&8[&eMaintenance&8] &cMomentan läuft bereits ein Timer!"
+timerNotRunning: "&8[&eMaintenance&8] &cMomentan läuft kein Timer."
+timerCancelled: "&8[&eMaintenance&8] &cDer laufende Timer wurde beendet."
+timerTooLong: "&8[&eMaintenance&8] &cDie angegebene Nummer muss kleiner als 40320 sein (= 28 Tage)!"
+joinNotification: "&8[&eMaintenance&8] &e%PLAYER% &chat versucht den Server beizutreten."
+motdList: "&8[&eMaintenance&8] &7Liste der Maintenance MOTDs:"
+reload: "&8[&eMaintenance&8] &aConfig, WhitelistedPlayers, Language Datei und Maintenance Icon wurden neugeladen."
+removedMotd: "&8[&eMaintenance&8] &aDie %INDEX%. Maintenance MOTD wurde entfernt."
+removeMotdError: "&8[&eMaintenance&8] &cDu hast nur eine Maintenance MOTD, daher kannst du auch keine entfernen!"
+removeMotdUsage: "&8[&eMaintenance&8] &c/maintenance removemotd <Index>"
+serverNotFound: "&8[&eMaintenance&8] &cEs wurde kein Server mit diesem Namen gefunden!"
+setMotd: "&8[&eMaintenance&8] &aDie %LINE%. Zeile der %INDEX%. Maintenance MOTD wurde geändert zu: %MOTD%"
+setMotdUsage: "&8[&eMaintenance&8] &c/maintenance setmotd <Index> <1/2> <Text>"
+setMotdIndexError: "&8[&eMaintenance&8] §cMomentan gibt es %MOTDS% MOTDs, du musst also eine Zahl zwischen 1 and %NEWAMOUNT% wählen."
+setMotdLineError: "&8[&eMaintenance&8] &cDas zweite Argument muss die Zeilennummer sein (1 oder 2)!"
+updateDownloading: "&8[&eMaintenance&8] &c&lUpdate wird heruntergeladen..."
+updateFailed: "&8[&eMaintenance&8] &4&lUpdate fehlgeschlagen!"
+updateFinished: "&8[&eMaintenance&8] &a&lDas Update war erfolgreich! Um Probleme mit Timern zu vermeiden und das Update zu vervollständigen, musst du den Server neustarten!"
+whitelistedPlayers: "&8[&eMaintenance&8] &6Spieler in der Maintenance Whitelist:"
+whitelistedPlayersFormat: "&8- &e%NAME% &8(&7%UUID%&8)"
+whitelistAdded: "&8[&eMaintenance&8] &b%PLAYER% &awurde zur Maintenance Whitelist hinzugefügt!"
+whitelistAlreadyAdded: "&8[&eMaintenance&8] &b%PLAYER% &cist bereits in der Maintenance Whitelist!"
+whitelistRemoved: "&8[&eMaintenance&8] &b%PLAYER% &awurde von der Maintenance Whitelist entfernt!"
+whitelistNotFound: "&8[&eMaintenance&8] &cDieser Spieler ist nicht in der Maintenance Whitelist!"
+whitelistEmtpy: "&8[&eMaintenance&8] &cDie Maintenance Whitelist ist leer! Nutze '/maintenance add <Spieler>', um jemanden hinzuzufügen!"
+whitelistEmptyDefault: "&8[&eMaintenance&8] &cNutze '/maintenance add <player>', um jemanden hinzuzufügen. Ansonsten kannst auch die UUID des Spielers in die WhitelistedPlayers.yml einsetzen, wie es im dortigen Beispiel schon drinsteht!"
+playerNotFound: "&8[&eMaintenance&8] &cBisher hat kein Spieler mit diesem Namen jemals auf diesem Server gespielt."
+playerNotOnline: "&8[&eMaintenance&8] &cEs ist momentan kein Spieler mit diesem Namen online."
+
+second: "Sekunde"
+seconds: "Sekunden"
+minute: "Minute"
+minutes: "Minuten"
+hour: "Stunde"
+hours: "Stunden"
+
+# Nachrichten für den Bungee Teil des Plugins, einfach ignorieren, falls das Plugin auf Spigot verwendet wird
+singleEndtimerBroadcast: "&8[&eMaintenance&8] &7Der Wartungsmodus auf Server %SERVER% wird deaktiviert in: &6%TIME%&7."
+singleEndtimerUsage: "&8[&eMaintenance&8] &c/maintenance endtimer <Server> <Minuten>"
+singleStarttimerBroadcast: "&8[&eMaintenance&8] &7Der Wartungsmodus auf Server %SERVER% wird aktiviert in: &6%TIME%&7."
+singleStarttimerUsage: "&8[&eMaintenance&8] &c/maintenance starttimer <Server> <Minuten>"
+singleMaintenanceKick: "&8[&eMaintenance&8] &cDer Server %SERVER% befindet sich momentan im Wartungsmodus! Probier es später nochmal!"
+singleMaintenanceKickComplete: "&cDer Server %SERVER% befindet sich in Wartung!%NEWLINE%&cDu kannst versuchen zu rejoinen, um andere Server zu betreten!"
+singleMaintenanceActivated: "&8[&eMaintenance&8] &6Der Wartungsmodus wurde auf &e%SERVER% &6aktiviert."
+singleMaintenanceDeactivated: "&8[&eMaintenance&8] &6Der Wartungsmodus wurde auf &e%SERVER% &6deaktiviert."
+singleServerAlreadyEnabled: "&8[&eMaintenance&8] &cDer Wartungsmodus ist bereits an auf &e%SERVER%&c!"
+singleServerAlreadyDisabled: "&8[&eMaintenance&8] &cDer Wartungsmodus ist bereits aus auf &e%SERVER%&c!"
+singleServerMaintenanceList: "&8[&eMaintenance&8] &7Unterserverserver, die im Wartungsmodus sind:"
+singleServerMaintenanceListEmpty: "&8[&eMaintenance&8] &7Es befindet sich momentan kein Unterserver im Wartungsmodus."

Maintenance-Core/src/main/resources/language-en.yml

@@ -2,47 +2,63 @@
 # Don't remove words inbetween the '%' if you don't exactly know why you're doing it
 
 noPermission: "&cYou do not have the permission to execute that command."
-reload: "&8[&eMaintenance&8] &aReloaded config, whitelistedplayers, language file and the maintenance icon."
-alreadyEnabled: "&8[&eMaintenance&8] &cMaintenance already is enabled!"
-alreadyDisabled: "&8[&eMaintenance&8] &cMaintenance already is disabled!"
 maintenanceActivated: "&8[&eMaintenance&8] &6Maintenance mode is now activated."
 maintenanceDeactivated: "&8[&eMaintenance&8] &6Maintenance mode is now deactivated."
-starttimerUsage: "&8[&eMaintenance&8] &c/maintenance starttimer <minutes>"
-starttimerStarted: "&8[&eMaintenance&8] &aStarted timer: &7Maintenance mode will be activated in &6%TIME%&7."
-starttimerBroadcast: "&8[&eMaintenance&8] &7Maintenance mode will be enabled in &6%TIME%&7."
-endtimerUsage: "&8[&eMaintenance&8] &c/maintenance endtimer <minutes>"
-endtimerStarted: "&8[&eMaintenance&8] &aStarted timer: &7Maintenance mode will be deactivated in &6%TIME%&7."
+alreadyEnabled: "&8[&eMaintenance&8] &cMaintenance is already enabled!"
+alreadyDisabled: "&8[&eMaintenance&8] &cMaintenance is already disabled!"
+helpUsage: "&8[&eMaintenance&8] &c/maintenance help <page>"
 endtimerBroadcast: "&8[&eMaintenance&8] &7Maintenance mode will be disabled in &6%TIME%&7."
-timerTooLong: "&8[&eMaintenance&8] &cThe number has to be less than 40320 (28 days)!"
-timerAlreadyRunning: "&8[&eMaintenance&8] &cThere's already a starttimer scheduled!"
+endtimerStarted: "&8[&eMaintenance&8] &aStarted timer: &7Maintenance mode will be deactivated in &6%TIME%&7."
+endtimerUsage: "&8[&eMaintenance&8] &c/maintenance endtimer <minutes>"
+starttimerBroadcast: "&8[&eMaintenance&8] &7Maintenance mode will be enabled in &6%TIME%&7."
+starttimerStarted: "&8[&eMaintenance&8] &aStarted timer: &7Maintenance mode will be activated in &6%TIME%&7."
+starttimerUsage: "&8[&eMaintenance&8] &c/maintenance starttimer <minutes>"
+timerAlreadyRunning: "&8[&eMaintenance&8] &cThere's already a timer scheduled!"
 timerNotRunning: "&8[&eMaintenance&8] &cThere's currently no running timer."
 timerCancelled: "&8[&eMaintenance&8] &cThe current timer has been disabled."
+timerTooLong: "&8[&eMaintenance&8] &cThe number has to be less than 40320 (28 days)!"
 joinNotification: "&8[&eMaintenance&8] &e%PLAYER% &ctried to join the server."
-updateDownloading: "&8[&eMaintenance&8] &c&lDownloading update..."
-updateFinished: "&8[&eMaintenance&8] &a&lThe update was successful! To prevent issues with tasks and to complete the update, you have to restart the server!"
-updateFailed: "&8[&eMaintenance&8] &4&lUpdate failed!"
-setMotdUsage: "&8[&eMaintenance&8] &c/maintenance setmotd <index> <1/2> <message>"
-setMotdLineError: "&8[&eMaintenance&8] &cThe second argument has to be the line number (1 or 2)!"
-setMotdIndexError: "&8[&eMaintenance&8] §cYou currently have %MOTDS% motds, so you have to pick a number between 1 and %NEWAMOUNT%."
-setMotd: "&8[&eMaintenance&8] &aSet line %LINE% of the %INDEX%. maintenance motd to %MOTD%"
-removeMotdUsage: "&8[&eMaintenance&8] &c/maintenance removemotd <index>"
-removeMotdError: "&8[&eMaintenance&8] &cYou only have one motd, so you can't remove any!"
-removedMotd: "&8[&eMaintenance&8] &aRemoved motd number %INDEX%."
 motdList: "&8[&eMaintenance&8] &7List of your maintenance motds:"
-whitelistEmtpy: "&8[&eMaintenance&8] &cThe maintenance whitelist is empty! Use '/maintenance add <player>' to add someone!"
-whitelistEmptyDefault: "&8[&eMaintenance&8] &cUse '/maintenance add <player>' to add someone. Alternatively, you can add the uuid of a player to the WhitelistedPlayers.yml as seen in the example in the file!"
+reload: "&8[&eMaintenance&8] &aReloaded config, whitelistedplayers, language file and the maintenance icon."
+removedMotd: "&8[&eMaintenance&8] &aRemoved motd number %INDEX%."
+removeMotdError: "&8[&eMaintenance&8] &cYou only have one motd, so you can't remove any!"
+removeMotdUsage: "&8[&eMaintenance&8] &c/maintenance removemotd <index>"
+serverNotFound: "&8[&eMaintenance&8] &cNo server with this name is registered on the proxy!"
+setMotd: "&8[&eMaintenance&8] &aSet line %LINE% of the %INDEX%. maintenance motd to %MOTD%"
+setMotdUsage: "&8[&eMaintenance&8] &c/maintenance setmotd <index> <1/2> <message>"
+setMotdIndexError: "&8[&eMaintenance&8] §cYou currently have %MOTDS% motds, so you have to pick a number between 1 and %NEWAMOUNT%."
+setMotdLineError: "&8[&eMaintenance&8] &cThe second argument has to be the line number (1 or 2)!"
+updateDownloading: "&8[&eMaintenance&8] &c&lDownloading update..."
+updateFailed: "&8[&eMaintenance&8] &4&lUpdate failed!"
+updateFinished: "&8[&eMaintenance&8] &a&lThe update was successful! To prevent issues with tasks and to complete the update, you have to restart the server!"
 whitelistedPlayers: "&8[&eMaintenance&8] &6Whitelisted players for maintenance:"
 whitelistedPlayersFormat: "&8- &e%NAME% &8(&7%UUID%&8)"
-whitelistNotFound: "&8[&eMaintenance&8] &cThis player is not in the maintenance whitelist!"
-whitelistAlreadyAdded: "&8[&eMaintenance&8] &b%PLAYER% &calready is in the maintenance whitelist!"
 whitelistAdded: "&8[&eMaintenance&8] &aAdded &b%PLAYER% &ato the maintenance whitelist!"
+whitelistAlreadyAdded: "&8[&eMaintenance&8] &b%PLAYER% &calready is in the maintenance whitelist!"
 whitelistRemoved: "&8[&eMaintenance&8] &aRemoved &b%PLAYER% &afrom the maintenance whitelist!"
-playerNotOnline: "&8[&eMaintenance&8] &cThere's no player online with that name."
+whitelistNotFound: "&8[&eMaintenance&8] &cThis player is not in the maintenance whitelist!"
+whitelistEmtpy: "&8[&eMaintenance&8] &cThe maintenance whitelist is empty! Use '/maintenance add <player>' to add someone!"
+whitelistEmptyDefault: "&8[&eMaintenance&8] &cUse '/maintenance add <player>' to add someone. Alternatively, you can add the uuid of a player to the WhitelistedPlayers.yml as seen in the example in the file!"
 playerNotFound: "&8[&eMaintenance&8] &cNo player with this name has played on this server before."
+playerNotOnline: "&8[&eMaintenance&8] &cThere's no player online with that name."
 
 second: "second"
 seconds: "seconds"
 minute: "minute"
 minutes: "minutes"
 hour: "hour"
-hours: "hours"
+hours: "hours"
+
+# Some messages for the Bungee part, just ignore them if you use the plugin on Spigot
+singleEndtimerBroadcast: "&8[&eMaintenance&8] &7Maintenance mode on server %SERVER% will be disabled in &6%TIME%&7."
+singleEndtimerUsage: "&8[&eMaintenance&8] &c/maintenance endtimer <server> <minutes>"
+singleStarttimerBroadcast: "&8[&eMaintenance&8] &7Maintenance mode on server %SERVER% will be enabled in &6%TIME%&7."
+singleStarttimerUsage: "&8[&eMaintenance&8] &c/maintenance starttimer <server> <minutes>"
+singleMaintenanceKick: "&8[&eMaintenance&8] &cThe server %SERVER% is currently under maintenance! Try again later!"
+singleMaintenanceKickComplete: "&cThe server %SERVER% is under maintenance!%NEWLINE%&cYou may try to rejoin to go onto another server!"
+singleMaintenanceActivated: "&8[&eMaintenance&8] &6Maintenance mode is now activated on server &e%SERVER%&6."
+singleMaintenanceDeactivated: "&8[&eMaintenance&8] &6Maintenance mode is now deactivated on server &e%SERVER%&6."
+singleServerAlreadyEnabled: "&8[&eMaintenance&8] &cMaintenance is already enabled on server &e%SERVER%&c!"
+singleServerAlreadyDisabled: "&8[&eMaintenance&8] &cMaintenance is already disabled on server &e%SERVER%&c!"
+singleServerMaintenanceList: "&8[&eMaintenance&8] &7Proxied servers, that have maintenance enabled:"
+singleServerMaintenanceListEmpty: "&8[&eMaintenance&8] &7There are no proxied servers that are under maintenance."

Maintenance-Parent/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>maintenance-base</artifactId>
         <groupId>eu.kennytv</groupId>
-        <version>2.4</version>
+        <version>2.5</version>
     </parent>
 
     <artifactId>maintenance-parent</artifactId>

Maintenance-Spigot/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>maintenance-base</artifactId>
         <groupId>eu.kennytv</groupId>
-        <version>2.4</version>
+        <version>2.5</version>
     </parent>
 
     <artifactId>maintenance-spigot</artifactId>
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>com.comphenix.protocol</groupId>
             <artifactId>ProtocolLib-API</artifactId>
-            <version>4.4.0-SNAPSHOT</version>
+            <version>4.4.0</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>

Maintenance-Spigot/src/main/java/eu/kennytv/maintenance/spigot/MaintenanceSpigotPlugin.java

@@ -2,9 +2,10 @@ package eu.kennytv.maintenance.spigot;
 
 import eu.kennytv.maintenance.api.IMaintenance;
 import eu.kennytv.maintenance.api.ISettings;
-import eu.kennytv.maintenance.api.MaintenanceSpigotAPI;
+import eu.kennytv.maintenance.api.spigot.MaintenanceSpigotAPI;
 import eu.kennytv.maintenance.core.MaintenanceModePlugin;
 import eu.kennytv.maintenance.core.hook.ServerListPlusHook;
+import eu.kennytv.maintenance.core.util.ServerType;
 import eu.kennytv.maintenance.spigot.command.MaintenanceSpigotCommand;
 import eu.kennytv.maintenance.spigot.listener.PlayerLoginListener;
 import eu.kennytv.maintenance.spigot.metrics.MetricsLite;
@@ -24,12 +25,13 @@ public final class MaintenanceSpigotPlugin extends MaintenanceModePlugin {
     private final SettingsSpigot settings;
 
     MaintenanceSpigotPlugin(final MaintenanceSpigotBase plugin) {
-        super("§8[§eMaintenanceSpigot§8] ", plugin.getDescription().getVersion());
+        super("§8[§eMaintenanceSpigot§8] ", plugin.getDescription().getVersion(), ServerType.SPIGOT);
 
         this.plugin = plugin;
         settings = new SettingsSpigot(this, plugin);
 
         plugin.getLogger().info("Plugin by KennyTV");
+        plugin.getLogger().info(getUpdateMessage());
         plugin.getCommand("maintenancespigot").setExecutor(new MaintenanceSpigotCommand(this, settings));
 
         final PluginManager pm = getServer().getPluginManager();

Maintenance-Spigot/src/main/java/eu/kennytv/maintenance/spigot/SettingsSpigot.java

@@ -38,9 +38,7 @@ public final class SettingsSpigot extends Settings {
         if (!plugin.getDataFolder().exists())
             plugin.getDataFolder().mkdirs();
         createFile("spigot-config.yml");
-        createFile("language.yml");
         createFile("WhitelistedPlayers.yml");
-
         reloadConfigs();
     }
 
@@ -55,6 +53,38 @@ public final class SettingsSpigot extends Settings {
         }
     }
 
+    private void createAndLoadLanguageFile() {
+        final File file = new File(plugin.getDataFolder(), "language-" + getLanguage() + ".yml");
+        if (!file.exists()) {
+            try (final InputStream in = plugin.getResource("language-" + getLanguage() + ".yml")) {
+                Files.copy(in, file.toPath());
+            } catch (final IOException e) {
+                plugin.getLogger().warning("Unable to provide language " + getLanguage());
+                if (!languageName.equals("en")) {
+                    plugin.getLogger().warning("Falling back to default language: en");
+                    languageName = "en";
+                    createAndLoadLanguageFile();
+                    return;
+                }
+            }
+        }
+        try {
+            language = YamlConfiguration.loadConfiguration(new InputStreamReader(new FileInputStream(new File(plugin.getDataFolder(), "language-" + getLanguage() + ".yml")), StandardCharsets.UTF_8));
+        } catch (final IOException e) {
+            throw new RuntimeException("Unable to load Maintenance language file!", e);
+        }
+    }
+
+    @Override
+    public boolean updateExtraConfig() {
+        // Remove MySQL part from default config
+        /*if (configContains("mysql")) {
+            setToConfig("mysql", null);
+            return true;
+        }*/
+        return false;
+    }
+
     @Override
     public void saveConfig() {
         try {
@@ -76,16 +106,14 @@ public final class SettingsSpigot extends Settings {
     @Override
     public void reloadConfigs() {
         try {
-            final File file = new File(plugin.getDataFolder(), "spigot-config.yml");
-            config = YamlConfiguration.loadConfiguration(new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8));
-            final File languageFile = new File(plugin.getDataFolder(), "language.yml");
-            language = YamlConfiguration.loadConfiguration(new InputStreamReader(new FileInputStream(languageFile), StandardCharsets.UTF_8));
+            config = YamlConfiguration.loadConfiguration(new InputStreamReader(new FileInputStream(new File(plugin.getDataFolder(), "spigot-config.yml")), StandardCharsets.UTF_8));
             whitelist = YamlConfiguration.loadConfiguration(new File(plugin.getDataFolder(), "WhitelistedPlayers.yml"));
         } catch (final IOException e) {
             throw new RuntimeException("Unable to load Maintenance files!", e);
         }
 
         loadSettings();
+        createAndLoadLanguageFile();
     }
 
     @Override

Maintenance-Spigot/src/main/java/eu/kennytv/maintenance/spigot/listener/PacketListener.java

@@ -7,13 +7,13 @@ import com.comphenix.protocol.events.PacketAdapter;
 import com.comphenix.protocol.events.PacketEvent;
 import com.comphenix.protocol.wrappers.WrappedGameProfile;
 import com.comphenix.protocol.wrappers.WrappedServerPing;
-import com.google.common.collect.Lists;
 import eu.kennytv.maintenance.core.listener.IPingListener;
 import eu.kennytv.maintenance.spigot.MaintenanceSpigotBase;
 import eu.kennytv.maintenance.spigot.SettingsSpigot;
 
 import javax.imageio.ImageIO;
 import java.io.File;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
 
@@ -39,7 +39,7 @@ public final class PacketListener implements IPingListener {
                             .replace("%MAX%", Integer.toString(pl.getServer().getMaxPlayers())));
                 }
 
-                final List<WrappedGameProfile> players = Lists.newArrayList();
+                final List<WrappedGameProfile> players = new ArrayList<>();
                 for (final String string : settings.getPlayerCountHoverMessage().split("%NEWLINE%"))
                     players.add(new WrappedGameProfile(UUID.randomUUID(), string));
                 ping.setPlayers(players);

Maintenance-Spigot/src/main/java/eu/kennytv/maintenance/spigot/listener/PlayerLoginListener.java

@@ -1,6 +1,5 @@
 package eu.kennytv.maintenance.spigot.listener;
 
-import com.google.common.collect.Sets;
 import eu.kennytv.maintenance.spigot.MaintenanceSpigotPlugin;
 import eu.kennytv.maintenance.spigot.SettingsSpigot;
 import net.md_5.bungee.api.chat.ClickEvent;
@@ -14,13 +13,14 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerLoginEvent;
 
+import java.util.HashSet;
 import java.util.Set;
 import java.util.UUID;
 
 public final class PlayerLoginListener implements Listener {
     private final MaintenanceSpigotPlugin plugin;
     private final SettingsSpigot settings;
-    private final Set<UUID> notifiedPlayers = Sets.newHashSet();
+    private final Set<UUID> notifiedPlayers = new HashSet<>();
 
     public PlayerLoginListener(final MaintenanceSpigotPlugin plugin, final SettingsSpigot settings) {
         this.plugin = plugin;

Maintenance-Spigot/src/main/java/eu/kennytv/maintenance/spigot/util/BukkitSenderInfo.java

@@ -6,7 +6,7 @@ import org.bukkit.entity.Player;
 
 import java.util.UUID;
 
-public final class BukkitSenderInfo extends SenderInfo {
+public final class BukkitSenderInfo implements SenderInfo {
     private final CommandSender sender;
 
     public BukkitSenderInfo(final CommandSender sender) {

Maintenance-Spigot/src/main/resources/spigot-config.yml

@@ -1,5 +1,4 @@
 # MaintenanceSpigot Plugin by KennyTV
-# Version ${project.version}
 # Important note: To use this plugin to its full extend, it requires the plugin 'ProtocolLib'
 
 # Enables maintenance-mode.
@@ -33,4 +32,8 @@ timer-broadcast-for-seconds: [1200, 900, 600, 300, 120, 60, 30, 20, 10, 5, 4, 3,
 send-join-notification: false
 
 # If set to true, the server icon will be changed to maintenance-icon.png in the Bungee main/base-folder.
-custom-maintenance-icon: false
+custom-maintenance-icon: false
+
+# Changes the language of command feedback/messages.
+# Currently available are: en (English), de (German)
+language: en

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>eu.kennytv</groupId>
     <artifactId>maintenance-base</artifactId>
-    <version>2.4</version>
+    <version>2.5</version>
     <name>Maintenance</name>
     <packaging>pom</packaging>
 
@@ -31,7 +31,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.1.1</version>
+                <version>3.2.0</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -44,6 +44,10 @@
                                     <pattern>com.zaxxer.hikari</pattern>
                                     <shadedPattern>eu.kennytv.lib.hikari</shadedPattern>
                                 </relocation>
+                                <!--<relocation>
+                                    <pattern>org.slf4j</pattern>
+                                    <shadedPattern>eu.kennytv.lib.slf4j</shadedPattern>
+                                </relocation>-->
                             </relocations>
                         </configuration>
                     </execution>