mcMMO now supports world blacklisting

src/main/java/com/gmail/nossr50/config/WorldBlacklist.java

@@ -0,0 +1,79 @@
+package com.gmail.nossr50.config;
+
+import com.gmail.nossr50.mcMMO;
+import org.bukkit.World;
+
+import java.io.*;
+import java.util.ArrayList;
+
+/**
+ * Blacklist certain features in certain worlds
+ */
+public class WorldBlacklist {
+    private static ArrayList<String> blacklist;
+    private mcMMO plugin;
+    private final String blackListFileName = "world_blacklist.txt";
+
+    public WorldBlacklist(mcMMO plugin)
+    {
+        this.plugin = plugin;
+        blacklist = new ArrayList<>();
+        init();
+    }
+
+    public void init()
+    {
+        //Make the blacklist file if it doesn't exist
+        File blackListFile = new File(plugin.getDataFolder() + File.separator + blackListFileName);
+
+        try {
+            if(!blackListFile.exists())
+                blackListFile.createNewFile();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        //Load up the blacklist
+        loadBlacklist(blackListFile);
+    }
+
+    private void loadBlacklist(File blackListFile) {
+        try {
+            FileReader fileReader = new FileReader(blackListFile);
+            BufferedReader bufferedReader = new BufferedReader(fileReader);
+
+            String currentLine;
+
+            while((currentLine = bufferedReader.readLine()) != null)
+            {
+                if(currentLine.length() == 0)
+                    continue;
+
+                if(!blacklist.contains(currentLine))
+                    blacklist.add(currentLine);
+            }
+
+            //Close readers
+            bufferedReader.close();
+            fileReader.close();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e)
+        {
+            e.printStackTrace();
+        }
+
+        plugin.getLogger().info(blacklist.size()+" entries in mcMMO World Blacklist");
+    }
+
+    public static boolean isWorldBlacklisted(World world)
+    {
+        for(String s : blacklist)
+        {
+            if(world.getName().equalsIgnoreCase(s))
+                return true;
+        }
+
+        return false;
+    }
+}