Copy default server icon into favicons folder

core/src/main/java/ch/andre601/advancedserverlist/core/AdvancedServerList.java

@@ -35,7 +35,6 @@ import ch.andre601.advancedserverlist.core.profiles.conditions.expressions.Expre
 import ch.andre601.advancedserverlist.core.profiles.players.PlayerHandler;
 import java.io.IOException;
 import java.io.InputStream;
-import java.nio.file.Path;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Properties;
@@ -141,9 +140,12 @@ public class AdvancedServerList<F> {
             return;
         }
 
-        Path folder = getPlugin().getFolderPath().resolve("favicons");
-        if (!folder.toFile().exists() && folder.toFile().mkdirs())
-            getPlugin().getPluginLogger().info("Successfully created favicons folder.");
+        if (getFileHandler().loadFavicons()) {
+            getPlugin().getPluginLogger().info("Successfully loaded favicons!");
+        } else {
+            getPlugin().getPluginLogger().warn("Unable to load favicons! Check previous lines for errors.");
+            return;
+        }
 
         getPlugin().getPluginLogger().info("Loading Commands...");
         plugin.loadCommands();

core/src/main/java/ch/andre601/advancedserverlist/core/file/FileHandler.java

@@ -53,6 +53,7 @@ public class FileHandler {
 
     private final Path config;
     private final Path profilesFolder;
+    private final Path faviconsFolder;
 
     private final List<ServerListProfile> profiles = new ArrayList<>();
 
@@ -64,6 +65,7 @@ public class FileHandler {
 
         this.config = core.getPlugin().getFolderPath().resolve("config.yml");
         this.profilesFolder = core.getPlugin().getFolderPath().resolve("profiles");
+        this.faviconsFolder = core.getPlugin().getFolderPath().resolve("favicons");
     }
 
     public List<ServerListProfile> getProfiles() {
@@ -117,6 +119,32 @@ public class FileHandler {
         return reloadProfiles();
     }
 
+    public boolean loadFavicons() {
+        logger.info("Loading favicons...");
+        if (!faviconsFolder.toFile().exists() && faviconsFolder.toFile().mkdirs()) {
+            logger.info("Successfully created favicons folder.");
+        }
+
+        Path serverIcon = faviconsFolder.resolve("server-icon.png");
+        if (serverIcon.toFile().exists()) {
+            return true;
+        }
+
+        try (InputStream stream = plugin.getClass().getResourceAsStream("/favicons/server-icon.png")) {
+            if (stream == null) {
+                logger.warn("Cannot retrieve server-icon.png from Plugin.");
+                return false;
+            }
+
+            Files.copy(stream, serverIcon);
+            logger.info("Created default server-icon.png in favicons folder.");
+            return true;
+        } catch (IOException ex) {
+            logger.warn("Cannot create server-icon.png for plugin.", ex);
+            return false;
+        }
+    }
+
     public boolean migrateConfig() {
         YamlConfigurationLoader loader = YamlConfigurationLoader.builder()
                 .path(config)