Renamed hey0's plugin to SMWorldEdit. Made WorldEdit somewhat a singleton to hold the ServerInterface instance.

src/EditSession.java

@@ -41,7 +41,7 @@ public class EditSession {
     /**
      * Server interface.
      */
-    public static ServerInterface server;
+    protected ServerInterface server;
     
     /**
      * Stores the original blocks before modification.
@@ -88,6 +88,7 @@ public class EditSession {
      * Default constructor. There is no maximum blocks limit.
      */
     public EditSession() {
+        server = WorldEdit.getServer();
     }
 
     /**
@@ -98,6 +99,8 @@ public class EditSession {
             throw new IllegalArgumentException("Max blocks must be >= -1");
         }
         this.maxBlocks = maxBlocks;
+
+        server = WorldEdit.getServer();
     }
 
     /**

src/SMWorldEdit.java

@@ -26,11 +26,21 @@ import com.sk89q.worldedit.ServerInterface;
  * 
  * @author sk89q
  */
-public class WorldEditSM extends Plugin {
+public class SMWorldEdit extends Plugin {
+    /**
+     * WorldEdit's properties file.
+     */
     private PropertiesFile properties;
-    private static final WorldEdit worldEdit = new WorldEdit();
-    private static final WorldEditSMListener listener =
-            new WorldEditSMListener(worldEdit);
+    /**
+     * WorldEdit instance.
+     */
+    private static final WorldEdit worldEdit =
+            WorldEdit.setup(new SMServerInterface());
+    /**
+     * Listener for the plugin system.
+     */
+    private static final SMWorldEditListener listener =
+            new SMWorldEditListener();
 
     /**
      * Initializes the plugin.
@@ -49,10 +59,6 @@ public class WorldEditSM extends Plugin {
                 PluginListener.Priority.MEDIUM);
         loader.addListener(PluginLoader.Hook.LOGIN, listener, this,
                 PluginListener.Priority.MEDIUM);
-
-        ServerInterface server = new SMServerInterface();
-        WorldEditPlayer.server = server;
-        EditSession.server = server;
     }
 
     /**

src/SMWorldEditListener.java

@@ -24,27 +24,14 @@ import com.sk89q.worldedit.*;
  *
  * @author sk89q
  */
-public class WorldEditSMListener extends PluginListener {
-    /**
-     * Stores a reference to the WorldEdit object.
-     */
-    private WorldEdit worldEdit;
-
-    /**
-     * Construct the listener with a reference to the WorldEdit object.
-     *
-     * @param worldEdit
-     */
-    public WorldEditSMListener(WorldEdit worldEdit) {
-        this.worldEdit = worldEdit;
-    }
-
+public class SMWorldEditListener extends PluginListener {
     /**
      *
      * @param player
      */
     @Override
     public void onDisconnect(Player player) {
+        WorldEdit worldEdit = WorldEdit.getInstance();
         worldEdit.removeSession(new SMWorldEditPlayer(player));
     }
 
@@ -60,6 +47,7 @@ public class WorldEditSMListener extends PluginListener {
     @Override
     public boolean onBlockCreate(Player modPlayer, Block blockPlaced,
             Block blockClicked, int itemInHand) {
+        WorldEdit worldEdit = WorldEdit.getInstance();
         WorldEditPlayer player = new SMWorldEditPlayer(modPlayer);
         
         if (itemInHand != 271) { return false; }
@@ -94,6 +82,7 @@ public class WorldEditSMListener extends PluginListener {
         if (!modPlayer.canUseCommand("/editpos1")
                 && !modPlayer.canUseCommand("/.")) { return false; }
 
+        WorldEdit worldEdit = WorldEdit.getInstance();
         WorldEditPlayer player = new SMWorldEditPlayer(modPlayer);
         WorldEditSession session = worldEdit.getSession(player);
 
@@ -133,6 +122,8 @@ public class WorldEditSMListener extends PluginListener {
      */
     @Override
     public boolean onCommand(Player modPlayer, String[] split) {
+        WorldEdit worldEdit = WorldEdit.getInstance();
+        
         try {
             if (worldEdit.getCommands().containsKey(split[0])) {
                 if (modPlayer.canUseCommand(split[0])) {

src/WorldEdit.java

@@ -33,6 +33,15 @@ import com.sk89q.worldedit.*;
  * @author sk89q
  */
 public class WorldEdit {
+    /**
+     * WorldEdit instance.
+     */
+    private static WorldEdit instance;
+    /**
+     * Server interface.
+     */
+    private ServerInterface server;
+    
     /**
      * List of default allowed blocks.
      */
@@ -65,10 +74,41 @@ public class WorldEdit {
      */
     private int defaultChangeLimit = -1;
 
+    /**
+     * Set up an instance.
+     * 
+     * @param server
+     * @return
+     */
+    public static WorldEdit setup(ServerInterface server) {
+        WorldEdit worldEdit = new WorldEdit();
+        worldEdit.server = server;
+        instance = worldEdit;
+        return worldEdit;
+    }
+
+    /**
+     * Get WorldEdit instance.
+     * 
+     * @return
+     */
+    public static WorldEdit getInstance() {
+        return instance;
+    }
+
+    /**
+     * Get server interface.
+     * 
+     * @return
+     */
+    public static ServerInterface getServer() {
+        return instance.server;
+    }
+
     /**
      * Construct an instance of the plugin.
      */
-    public WorldEdit() {
+    private WorldEdit() {
         commands.put("/editpos1", "Set editing position #1");
         commands.put("/editpos2", "Set editing position #2");
         commands.put("/toggleplace", "Toggle placing at pos #1");

src/WorldEditPlayer.java

@@ -28,7 +28,14 @@ public abstract class WorldEditPlayer {
     /**
      * Server interface.
      */
-    public static ServerInterface server;
+    protected ServerInterface server;
+
+    /**
+     * Construct the player.
+     */
+    public WorldEditPlayer() {
+        server = WorldEdit.getServer();
+    }
     
     /**
      * Get the name of the player.