src/balor/OpenInv/ACOfflinePlayerInventory.java

@@ -0,0 +1,52 @@
+/************************************************************************
+ * This file is part of AdminCmd.									
+ *																		
+ * AdminCmd is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by	
+ * the Free Software Foundation, either version 3 of the License, or		
+ * (at your option) any later version.									
+ *																		
+ * AdminCmd is distributed in the hope that it will be useful,	
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of		
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the			
+ * GNU General Public License for more details.							
+ *																		
+ * You should have received a copy of the GNU General Public License
+ * along with AdminCmd.  If not, see <http://www.gnu.org/licenses/>.
+ ************************************************************************/
+package balor.OpenInv;
+
+import org.bukkit.craftbukkit.entity.CraftHumanEntity;
+import org.bukkit.entity.Player;
+
+/**
+ * @author Balor (aka Antoine Aflalo)
+ * 
+ */
+public class ACOfflinePlayerInventory extends ACPlayerInventory {
+
+	/**
+	 * @param entityhuman
+	 * @param proprietary
+	 */
+	ACOfflinePlayerInventory(final Player proprietary) {
+		super(proprietary);
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * net.minecraft.server.PlayerInventory#onClose(org.bukkit.craftbukkit.entity
+	 * .CraftHumanEntity)
+	 */
+	@Override
+	public void onClose(final CraftHumanEntity who) {
+		transaction.remove(who);
+		if (transaction.isEmpty()) {
+			InventoryManager.INSTANCE.closeOfflineInv(proprietary);
+		}
+	}
+
+}

src/balor/OpenInv/ACPlayerInventory.java

@@ -0,0 +1,222 @@
+/**
+ * Copyright (C) 2011-2012 lishid. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package balor.OpenInv;
+
+import net.minecraft.server.EntityHuman;
+import net.minecraft.server.ItemStack;
+import net.minecraft.server.PlayerInventory;
+
+import org.bukkit.craftbukkit.entity.CraftHumanEntity;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+/**
+ * @author lishd (Modded by Balor) {@link https://github.com/lishd/OpenInv/}
+ * 
+ */
+public class ACPlayerInventory extends PlayerInventory {
+
+	public final ItemStack[] extra = new ItemStack[5];
+	public final Player proprietary;
+
+	/**
+	 * @param entityhuman
+	 */
+	ACPlayerInventory(final Player proprietary) {
+		super(((CraftPlayer) proprietary).getHandle());
+		this.proprietary = proprietary;
+		this.armor = player.inventory.armor;
+		this.items = player.inventory.items;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * net.minecraft.server.PlayerInventory#onClose(org.bukkit.craftbukkit.entity
+	 * .CraftHumanEntity)
+	 */
+	@Override
+	public void onClose(final CraftHumanEntity who) {
+		super.onClose(who);
+		if (transaction.isEmpty() && !proprietary.isOnline()) {
+			InventoryManager.INSTANCE.closeOfflineInv(proprietary);
+		}
+	}
+
+	@Override
+	public ItemStack[] getContents() {
+		final ItemStack[] C = new ItemStack[getSize()];
+		System.arraycopy(items, 0, C, 0, items.length);
+		System.arraycopy(armor, 0, C, items.length, armor.length);
+		return C;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see net.minecraft.server.PlayerInventory#getSize()
+	 */
+	@Override
+	public int getSize() {
+		return super.getSize() + 5;
+	}
+
+	@Override
+	public boolean a(final EntityHuman entityhuman) {
+		return true;
+	}
+
+	@Override
+	public String getName() {
+		if (player.name.length() > 16) {
+			return player.name.substring(0, 16);
+		}
+		return player.name;
+	}
+
+	private int getReversedItemSlotNum(final int i) {
+		if (i >= 27) {
+			return i - 27;
+		} else {
+			return i + 9;
+		}
+	}
+
+	private int getReversedArmorSlotNum(final int i) {
+		if (i == 0) {
+			return 3;
+		}
+		if (i == 1) {
+			return 2;
+		}
+		if (i == 2) {
+			return 1;
+		}
+		if (i == 3) {
+			return 0;
+		} else {
+			return i;
+		}
+	}
+
+	@Override
+	public ItemStack getItem(int i) {
+		ItemStack[] is = this.items;
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.armor;
+		} else {
+			i = getReversedItemSlotNum(i);
+		}
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.extra;
+		} else if (is == this.armor) {
+			i = getReversedArmorSlotNum(i);
+		}
+
+		return is[i];
+	}
+
+	@Override
+	public ItemStack splitStack(int i, final int j) {
+		ItemStack[] is = this.items;
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.armor;
+		} else {
+			i = getReversedItemSlotNum(i);
+		}
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.extra;
+		} else if (is == this.armor) {
+			i = getReversedArmorSlotNum(i);
+		}
+
+		if (is[i] != null) {
+			ItemStack itemstack;
+
+			if (is[i].count <= j) {
+				itemstack = is[i];
+				is[i] = null;
+				return itemstack;
+			} else {
+				itemstack = is[i].a(j);
+				if (is[i].count == 0) {
+					is[i] = null;
+				}
+
+				return itemstack;
+			}
+		} else {
+			return null;
+		}
+	}
+
+	@Override
+	public ItemStack splitWithoutUpdate(int i) {
+		ItemStack[] is = this.items;
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.armor;
+		} else {
+			i = getReversedItemSlotNum(i);
+		}
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.extra;
+		} else if (is == this.armor) {
+			i = getReversedArmorSlotNum(i);
+		}
+
+		if (is[i] != null) {
+			final ItemStack itemstack = is[i];
+
+			is[i] = null;
+			return itemstack;
+		} else {
+			return null;
+		}
+	}
+
+	@Override
+	public void setItem(int i, final ItemStack itemstack) {
+		ItemStack[] is = this.items;
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.armor;
+		} else {
+			i = getReversedItemSlotNum(i);
+		}
+
+		if (i >= is.length) {
+			i -= is.length;
+			is = this.extra;
+		} else if (is == this.armor) {
+			i = getReversedArmorSlotNum(i);
+		}
+		is[i] = itemstack;
+	}
+}

src/balor/OpenInv/InventoryManager.java

@@ -0,0 +1,237 @@
+/************************************************************************
+ * This file is part of AdminCmd.									
+ *																		
+ * AdminCmd is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by	
+ * the Free Software Foundation, either version 3 of the License, or		
+ * (at your option) any later version.									
+ *																		
+ * AdminCmd is distributed in the hope that it will be useful,	
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of		
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the			
+ * GNU General Public License for more details.							
+ *																		
+ * You should have received a copy of the GNU General Public License
+ * along with AdminCmd.  If not, see <http://www.gnu.org/licenses/>.
+ ************************************************************************/
+package balor.OpenInv;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+import net.minecraft.server.EntityPlayer;
+import net.minecraft.server.ItemInWorldManager;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.PlayerInventory;
+
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.World;
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.craftbukkit.inventory.CraftInventoryPlayer;
+import org.bukkit.entity.Player;
+
+import com.google.common.collect.MapMaker;
+
+/**
+ * @author Balor (aka Antoine Aflalo)
+ * 
+ */
+public class InventoryManager {
+	public static InventoryManager INSTANCE;
+	private final Map<Player, ACPlayerInventory> replacedInv = new MapMaker().makeMap();
+	private final Map<String, ACPlayerInventory> offlineInv = new MapMaker().makeMap();
+
+	/**
+ * 
+ */
+	private InventoryManager() {
+	}
+
+	public static void createInstance() {
+		if (INSTANCE == null) {
+			INSTANCE = new InventoryManager();
+		}
+	}
+
+	public void onQuit(final Player p) {
+		replacedInv.remove(p);
+	}
+
+	void closeOfflineInv(final Player p) {
+		onQuit(p);
+		offlineInv.remove(p.getName());
+		p.saveData();		
+	}
+
+	public void onJoin(Player p) {
+		ACPlayerInventory inv = offlineInv.get(p.getName());
+		if (inv == null) {
+			return;
+		}
+		if (inv instanceof ACOfflinePlayerInventory) {
+			CraftPlayer cp = (CraftPlayer) p;
+			PlayerInventory mcInv = ((CraftInventoryPlayer) cp.getInventory()).getInventory();
+			mcInv.items = inv.items;
+			mcInv.armor = inv.armor;
+		}
+	}
+
+	/**
+	 * Open the inventory of an offline player
+	 * 
+	 * @param sender
+	 * @param name
+	 * @throws PlayerNotFound
+	 * @author lishd {@link https
+	 *         ://github.com/lishd/OpenInv/blob/master/src/lishid
+	 *         /openinv/commands/OpenInvPluginCommand.java}
+	 * @throws WorldNotFoundException
+	 */
+	public Player openOfflineInv(final Player sender, final String name, final String world)
+			throws PlayerNotFound, WorldNotFoundException {
+		Player target = null;
+		final HashMap<String, String> replace = new HashMap<String, String>();
+		replace.put("player", name);
+		// Offline inv here...
+		// See if the player has data files
+
+		// Find the player folder
+		World worldFound = matchWorld(Bukkit.getWorlds(), world);
+		if (worldFound == null)
+			throw new WorldNotFoundException(ChatColor.RED + "The World " + ChatColor.GOLD + world
+					+ ChatColor.RED + " can't be found.");
+		final File playerfolder = new File(worldFound.getWorldFolder(), "players");
+		if (!playerfolder.exists()) {
+			throw new PlayerNotFound(ChatColor.RED + "The player " + ChatColor.GOLD + name
+					+ ChatColor.RED + " can't be found.");
+		}
+
+		final String playername = matchUser(Arrays.asList(playerfolder.listFiles()), name);
+		if (playername == null) {
+			throw new PlayerNotFound(ChatColor.RED + "The player " + ChatColor.GOLD + name
+					+ ChatColor.RED + " can't be found.");
+		}
+
+		// Create an entity to load the player data
+		final MinecraftServer server = ((CraftServer) Bukkit.getServer()).getServer();
+		final EntityPlayer entity = new EntityPlayer(server, server.getWorldServer(0), playername,
+				new ItemInWorldManager(server.getWorldServer(0)));
+		target = (entity == null) ? null : (Player) entity.getBukkitEntity();
+		if (target != null) {
+			target.loadData();
+		} else {
+			throw new PlayerNotFound(ChatColor.RED + "The player " + ChatColor.GOLD + name
+					+ ChatColor.RED + " can't be found.");
+		}
+		openInv(sender, target, true);
+		return target;
+	}
+
+	/**
+	 * Open the inventory of the connected player
+	 * 
+	 * @param sender
+	 *            the user who'll see the inventory
+	 * @param target
+	 *            player to have his inventory opened
+	 */
+	public void openInv(final Player sender, final Player target) {
+		openInv(sender, target, false);
+	}
+
+	private void openInv(final Player sender, final Player target, final boolean offline) {
+		// Permissions checks
+		if (!sender.hasPermission("OpenInv.override") && target.hasPermission("OpenInv.exempt")) {
+			sender.sendMessage(ChatColor.RED + target.getDisplayName()
+					+ "'s inventory is protected!");
+			return;
+		}
+
+		if ((!sender.hasPermission("OpenInv.crossworld") && !sender
+				.hasPermission("OpenInv.override")) && target.getWorld() != sender.getWorld()) {
+			sender.sendMessage(ChatColor.RED + target.getDisplayName() + " is not in your world!");
+			return;
+		}
+		final ACPlayerInventory inventory = getInventory(target, offline);
+		final EntityPlayer eh = ((CraftPlayer) sender).getHandle();
+		eh.openContainer(inventory);
+	}
+
+	private ACPlayerInventory getInventory(final Player player, final boolean offline) {
+		ACPlayerInventory inventory = replacedInv.get(player);
+		if (inventory == null) {
+			if (offline) {
+				inventory = new ACOfflinePlayerInventory(player);
+				offlineInv.put(player.getName(), inventory);
+			} else {
+				inventory = new ACPlayerInventory(player);
+			}
+		}
+		return inventory;
+
+	}
+
+	private String matchUser(final Collection<File> container, final String search) {
+		String found = null;
+		if (search == null) {
+			return found;
+		}
+		final String lowerSearch = search.toLowerCase();
+		int delta = Integer.MAX_VALUE;
+		for (final File file : container) {
+			final String filename = file.getName();
+			final String str = filename.substring(0, filename.length() - 4);
+			if (!str.toLowerCase().startsWith(lowerSearch)) {
+				continue;
+			}
+			final int curDelta = str.length() - lowerSearch.length();
+			if (curDelta < delta) {
+				found = str;
+				delta = curDelta;
+			}
+			if (curDelta == 0) {
+				break;
+			}
+
+		}
+		return found;
+
+	}
+
+	/**
+	 * Search for the given string in the list and return it.
+	 * 
+	 * @param container
+	 * @param search
+	 * @return
+	 */
+	private World matchWorld(final Collection<World> container, final String search) {
+		World found = null;
+		if (search == null) {
+			return found;
+		}
+		final String lowerSearch = search.toLowerCase();
+		int delta = Integer.MAX_VALUE;
+		for (final World w : container) {
+			String str = w.getName();
+			if (str.toLowerCase().startsWith(lowerSearch)) {
+				final int curDelta = str.length() - lowerSearch.length();
+				if (curDelta < delta) {
+					found = w;
+					delta = curDelta;
+				}
+				if (curDelta == 0) {
+					break;
+				}
+			}
+		}
+		return found;
+
+	}
+
+}

src/balor/OpenInv/PlayerNotFound.java

@@ -0,0 +1,38 @@
+/************************************************************************
+ * This file is part of AdminCmd.									
+ *																		
+ * AdminCmd is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by	
+ * the Free Software Foundation, either version 3 of the License, or		
+ * (at your option) any later version.									
+ *																		
+ * AdminCmd is distributed in the hope that it will be useful,	
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of		
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the			
+ * GNU General Public License for more details.							
+ *																		
+ * You should have received a copy of the GNU General Public License
+ * along with AdminCmd.  If not, see <http://www.gnu.org/licenses/>.
+ ************************************************************************/
+package balor.OpenInv;
+
+
+/**
+ * @author Balor (aka Antoine Aflalo)
+ * 
+ */
+public class PlayerNotFound extends Exception {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -6841087146104592092L;
+
+	/**
+	 * @param message
+	 */
+	public PlayerNotFound(final String message) {
+		super(message);
+	}
+
+}

src/balor/OpenInv/WorldNotFoundException.java

@@ -0,0 +1,62 @@
+/************************************************************************
+ * This file is part of OpenInv.									
+ *																		
+ * OpenInv is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by	
+ * the Free Software Foundation, either version 3 of the License, or		
+ * (at your option) any later version.									
+ *																		
+ * OpenInv is distributed in the hope that it will be useful,	
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of		
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the			
+ * GNU General Public License for more details.							
+ *																		
+ * You should have received a copy of the GNU General Public License
+ * along with OpenInv.  If not, see <http://www.gnu.org/licenses/>.
+ ************************************************************************/
+package balor.OpenInv;
+
+/**
+ * @author Balor (aka Antoine Aflalo)
+ *
+ */
+public class WorldNotFoundException extends Exception {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * 
+	 */
+	public WorldNotFoundException() {
+		// TODO Auto-generated constructor stub
+	}
+
+	/**
+	 * @param message
+	 */
+	public WorldNotFoundException(String message) {
+		super(message);
+		// TODO Auto-generated constructor stub
+	}
+
+	/**
+	 * @param cause
+	 */
+	public WorldNotFoundException(Throwable cause) {
+		super(cause);
+		// TODO Auto-generated constructor stub
+	}
+
+	/**
+	 * @param message
+	 * @param cause
+	 */
+	public WorldNotFoundException(String message, Throwable cause) {
+		super(message, cause);
+		// TODO Auto-generated constructor stub
+	}
+
+}

src/lishid/openinv/OpenInv.java

@@ -16,7 +16,11 @@
 
 package lishid.openinv;
 
-import lishid.openinv.commands.*;
+import lishid.openinv.commands.AnyChestPluginCommand;
+import lishid.openinv.commands.OpenInvPluginCommand;
+import lishid.openinv.commands.SearchInvPluginCommand;
+import lishid.openinv.commands.SilentChestPluginCommand;
+import lishid.openinv.commands.ToggleOpenInvPluginCommand;
 import lishid.openinv.utils.Metrics;
 
 import org.bukkit.ChatColor;
@@ -25,6 +29,8 @@ import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import balor.OpenInv.InventoryManager;
+
 /**
  * Open other player's inventory
  *
@@ -45,6 +51,7 @@ public class OpenInv extends JavaPlugin {
     	mainPlugin.getConfig().options().copyDefaults(true);
     	mainPlugin.saveConfig();
 
+    	InventoryManager.createInstance();
 		PluginManager pm = getServer().getPluginManager();
 		pm.registerEvents(playerListener, this);
 		pm.registerEvents(entityListener, this);

src/lishid/openinv/OpenInvEntityListener.java

@@ -18,11 +18,11 @@ package lishid.openinv;
 
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
-import org.bukkit.event.entity.EntityDamageByEntityEvent;
-import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityDamageByEntityEvent;
+import org.bukkit.event.entity.EntityDamageEvent;
 
 public class OpenInvEntityListener implements Listener{
 	OpenInv plugin;

src/lishid/openinv/OpenInvPlayerListener.java

@@ -18,14 +18,12 @@ package lishid.openinv;
 
 import java.lang.reflect.Field;
 
-import lishid.openinv.commands.OpenInvPluginCommand;
 import lishid.openinv.utils.SilentContainerChest;
 import net.minecraft.server.Block;
 import net.minecraft.server.EntityPlayer;
 import net.minecraft.server.IInventory;
 import net.minecraft.server.InventoryLargeChest;
 import net.minecraft.server.Packet100OpenWindow;
-import net.minecraft.server.Packet101CloseWindow;
 import net.minecraft.server.TileEntityChest;
 import net.minecraft.server.World;
 
@@ -34,176 +32,185 @@ import org.bukkit.block.Chest;
 import org.bukkit.block.Sign;
 import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.entity.Player;
+import org.bukkit.event.Event.Result;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
-import org.bukkit.event.Event.Result;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
-import org.bukkit.event.player.PlayerLoginEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 
-public class OpenInvPlayerListener implements Listener{
+import balor.OpenInv.InventoryManager;
+
+public class OpenInvPlayerListener implements Listener {
 	OpenInv plugin;
+
 	public OpenInvPlayerListener(OpenInv scrap) {
 		plugin = scrap;
 	}
 
 	@EventHandler(priority = EventPriority.LOWEST)
-	public void onPlayerLogin(PlayerLoginEvent event)
-	{
-		try{
-			for(Player target : OpenInvPluginCommand.offlineInv.keySet())
-			{
-				if(target.getName().equalsIgnoreCase(event.getPlayer().getName()))
-				{
-					((CraftPlayer)OpenInvPluginCommand.offlineInv.get(target).Opener).getHandle().netServerHandler.sendPacket(new Packet101CloseWindow());
-					target.saveData();
-					OpenInvPluginCommand.offlineInv.remove(target);
-					event.getPlayer().loadData();
-					return;
-				}
-			}
-		}
-		catch(Exception e){}
+	public void onJoin(PlayerJoinEvent event) {
+		InventoryManager.INSTANCE.onJoin(event.getPlayer());
 	}
 
 	@EventHandler(priority = EventPriority.MONITOR)
-	public void onPlayerInteract(PlayerInteractEvent event)
-	{
-		if(event.getAction() == Action.RIGHT_CLICK_BLOCK && event.useInteractedBlock() == Result.DENY)
+	public void onPlayerInteract(PlayerInteractEvent event) {
+		if (event.getAction() == Action.RIGHT_CLICK_BLOCK
+				&& event.useInteractedBlock() == Result.DENY)
 			return;
 
-		if(event.getAction() == Action.RIGHT_CLICK_BLOCK && event.getClickedBlock().getState() instanceof Chest)
-		{
+		if (event.getAction() == Action.RIGHT_CLICK_BLOCK
+				&& event.getClickedBlock().getState() instanceof Chest) {
 			boolean silentchest = false;
 			boolean anychest = false;
 			int x = event.getClickedBlock().getX();
 			int y = event.getClickedBlock().getY();
 			int z = event.getClickedBlock().getZ();
 
-			if(event.getPlayer().hasPermission("OpenInv.silent") && OpenInv.GetPlayerSilentChestStatus(event.getPlayer().getName()))
-			{
+			if (event.getPlayer().hasPermission("OpenInv.silent")
+					&& OpenInv.GetPlayerSilentChestStatus(event.getPlayer().getName())) {
 				silentchest = true;
 			}
 
-			if(event.getPlayer().hasPermission("OpenInv.anychest") && OpenInv.GetPlayerAnyChestStatus(event.getPlayer().getName()))
-			{
-				try
-				{
-					//FOR REFERENCE, LOOK AT net.minecraft.server.BlockChest
-					EntityPlayer player = ((CraftPlayer)event.getPlayer()).getHandle();
+			if (event.getPlayer().hasPermission("OpenInv.anychest")
+					&& OpenInv.GetPlayerAnyChestStatus(event.getPlayer().getName())) {
+				try {
+					// FOR REFERENCE, LOOK AT net.minecraft.server.BlockChest
+					EntityPlayer player = ((CraftPlayer) event.getPlayer()).getHandle();
 					World world = player.world;
-					//If block on top
-					if(world.e(x, y + 1, z))
+					// If block on top
+					if (world.e(x, y + 1, z))
 						anychest = true;
 
-					//If block next to chest is chest and has a block on top
-				    if ((world.getTypeId(x - 1, y, z) == Block.CHEST.id) && (world.e(x - 1, y + 1, z)))
+					// If block next to chest is chest and has a block on top
+					if ((world.getTypeId(x - 1, y, z) == Block.CHEST.id)
+							&& (world.e(x - 1, y + 1, z)))
 						anychest = true;
-				    if ((world.getTypeId(x + 1, y, z) == Block.CHEST.id) && (world.e(x + 1, y + 1, z)))
+					if ((world.getTypeId(x + 1, y, z) == Block.CHEST.id)
+							&& (world.e(x + 1, y + 1, z)))
 						anychest = true;
-				    if ((world.getTypeId(x, y, z - 1) == Block.CHEST.id) && (world.e(x, y + 1, z - 1)))
+					if ((world.getTypeId(x, y, z - 1) == Block.CHEST.id)
+							&& (world.e(x, y + 1, z - 1)))
 						anychest = true;
-				    if ((world.getTypeId(x, y, z + 1) == Block.CHEST.id) && (world.e(x, y + 1, z + 1)))
+					if ((world.getTypeId(x, y, z + 1) == Block.CHEST.id)
+							&& (world.e(x, y + 1, z + 1)))
 						anychest = true;
-				}
-				catch(Exception e)
-				{
-					event.getPlayer().sendMessage(ChatColor.RED + "Error while executing openinv. Unsupported CraftBukkit.");
+				} catch (Exception e) {
+					event.getPlayer().sendMessage(
+							ChatColor.RED
+									+ "Error while executing openinv. Unsupported CraftBukkit.");
 					e.printStackTrace();
 				}
 			}
 
-		    //If the anychest or silentchest is active
-		    if(anychest || silentchest)
-		    {
-				EntityPlayer player = ((CraftPlayer)event.getPlayer()).getHandle();
+			// If the anychest or silentchest is active
+			if (anychest || silentchest) {
+				EntityPlayer player = ((CraftPlayer) event.getPlayer()).getHandle();
 				World world = player.world;
-		    	Object chest = (TileEntityChest)world.getTileEntity(x, y, z);
-		        if (chest == null) return;
+				Object chest = (TileEntityChest) world.getTileEntity(x, y, z);
+				if (chest == null)
+					return;
 
-		        if(!anychest)
-		        {
-			        if (world.e(x, y + 1, z)) return;
-			        if ((world.getTypeId(x - 1, y, z) == Block.CHEST.id) && (world.e(x - 1, y + 1, z))) return;
-			        if ((world.getTypeId(x + 1, y, z) == Block.CHEST.id) && (world.e(x + 1, y + 1, z))) return;
-			        if ((world.getTypeId(x, y, z - 1) == Block.CHEST.id) && (world.e(x, y + 1, z - 1))) return;
-			        if ((world.getTypeId(x, y, z + 1) == Block.CHEST.id) && (world.e(x, y + 1, z + 1))) return;
+				if (!anychest) {
+					if (world.e(x, y + 1, z))
+						return;
+					if ((world.getTypeId(x - 1, y, z) == Block.CHEST.id)
+							&& (world.e(x - 1, y + 1, z)))
+						return;
+					if ((world.getTypeId(x + 1, y, z) == Block.CHEST.id)
+							&& (world.e(x + 1, y + 1, z)))
+						return;
+					if ((world.getTypeId(x, y, z - 1) == Block.CHEST.id)
+							&& (world.e(x, y + 1, z - 1)))
+						return;
+					if ((world.getTypeId(x, y, z + 1) == Block.CHEST.id)
+							&& (world.e(x, y + 1, z + 1)))
+						return;
 				}
 
-		        if (world.getTypeId(x - 1, y, z) == Block.CHEST.id) chest = new InventoryLargeChest("Large chest", (TileEntityChest)world.getTileEntity(x - 1, y, z), (IInventory)chest);
-		        if (world.getTypeId(x + 1, y, z) == Block.CHEST.id) chest = new InventoryLargeChest("Large chest", (IInventory)chest, (TileEntityChest)world.getTileEntity(x + 1, y, z));
-		        if (world.getTypeId(x, y, z - 1) == Block.CHEST.id) chest = new InventoryLargeChest("Large chest", (TileEntityChest)world.getTileEntity(x, y, z - 1), (IInventory)chest);
-		        if (world.getTypeId(x, y, z + 1) == Block.CHEST.id) chest = new InventoryLargeChest("Large chest", (IInventory)chest, (TileEntityChest)world.getTileEntity(x, y, z + 1));
+				if (world.getTypeId(x - 1, y, z) == Block.CHEST.id)
+					chest = new InventoryLargeChest("Large chest",
+							(TileEntityChest) world.getTileEntity(x - 1, y, z), (IInventory) chest);
+				if (world.getTypeId(x + 1, y, z) == Block.CHEST.id)
+					chest = new InventoryLargeChest("Large chest", (IInventory) chest,
+							(TileEntityChest) world.getTileEntity(x + 1, y, z));
+				if (world.getTypeId(x, y, z - 1) == Block.CHEST.id)
+					chest = new InventoryLargeChest("Large chest",
+							(TileEntityChest) world.getTileEntity(x, y, z - 1), (IInventory) chest);
+				if (world.getTypeId(x, y, z + 1) == Block.CHEST.id)
+					chest = new InventoryLargeChest("Large chest", (IInventory) chest,
+							(TileEntityChest) world.getTileEntity(x, y, z + 1));
 
-		        if(!silentchest)
-		        {
-		        	player.openContainer((IInventory)chest);
-		        }
-		        else
-		        {
-		        	try{
+				if (!silentchest) {
+					player.openContainer((IInventory) chest);
+				} else {
+					try {
 						int id = 0;
-			        	try{
+						try {
 							Field windowID = player.getClass().getDeclaredField("containerCounter");
 							windowID.setAccessible(true);
 							id = windowID.getInt(player);
 							id = id % 100 + 1;
 							windowID.setInt(player, id);
+						} catch (NoSuchFieldException e) {
 						}
-			        	catch(NoSuchFieldException e)
-			        	{ }
 
-			            player.netServerHandler.sendPacket(new Packet100OpenWindow(id, 0, ((IInventory)chest).getName(), ((IInventory)chest).getSize()));
-			            player.activeContainer = new SilentContainerChest(player.inventory, ((IInventory)chest));
+						player.netServerHandler.sendPacket(new Packet100OpenWindow(id, 0,
+								((IInventory) chest).getName(), ((IInventory) chest).getSize()));
+						player.activeContainer = new SilentContainerChest(player.inventory,
+								((IInventory) chest));
 						player.activeContainer.windowId = id;
 						player.activeContainer.addSlotListener(player);
-			        	//event.getPlayer().sendMessage("You are opening a chest silently.");
+						// event.getPlayer().sendMessage("You are opening a chest silently.");
 						event.setUseInteractedBlock(Result.DENY);
 						event.setCancelled(true);
-		        	}
-		        	catch(Exception e)
-		        	{
+					} catch (Exception e) {
 						e.printStackTrace();
-						event.getPlayer().sendMessage(ChatColor.RED + "Error while sending silent chest.");
+						event.getPlayer().sendMessage(
+								ChatColor.RED + "Error while sending silent chest.");
 					}
 				}
 
-		        if(anychest)
+				if (anychest)
 					event.getPlayer().sendMessage("You are opening a blocked chest.");
 			}
 		}
 
-		if(event.getAction() == Action.RIGHT_CLICK_BLOCK && event.getClickedBlock().getState() instanceof Sign)
-		{
+		if (event.getAction() == Action.RIGHT_CLICK_BLOCK
+				&& event.getClickedBlock().getState() instanceof Sign) {
 			Player player = event.getPlayer();
-			try{
-				Sign sign = ((Sign)event.getClickedBlock().getState());
-				if (player.hasPermission("OpenInv.openinv") && sign.getLine(0).equalsIgnoreCase("[openinv]"))
-				{
-					String text = sign.getLine(1).trim() + sign.getLine(2).trim() + sign.getLine(3).trim();
+			try {
+				Sign sign = ((Sign) event.getClickedBlock().getState());
+				if (player.hasPermission("OpenInv.openinv")
+						&& sign.getLine(0).equalsIgnoreCase("[openinv]")) {
+					String text = sign.getLine(1).trim() + sign.getLine(2).trim()
+							+ sign.getLine(3).trim();
 					player.performCommand("openinv " + text);
 				}
-			}
-			catch(Exception ex)
-			{
+			} catch (Exception ex) {
 				player.sendMessage("Internal Error.");
 				ex.printStackTrace();
 			}
 		}
 
-		if(event.getAction() == Action.RIGHT_CLICK_AIR || event.getAction() == Action.RIGHT_CLICK_BLOCK)
-		{
+		if (event.getAction() == Action.RIGHT_CLICK_AIR
+				|| event.getAction() == Action.RIGHT_CLICK_BLOCK) {
 			Player player = event.getPlayer();
 
-			if(!(player.getItemInHand().getType().getId() == OpenInv.GetItemOpenInvItem())
+			if (!(player.getItemInHand().getType().getId() == OpenInv.GetItemOpenInvItem())
 					|| (!OpenInv.GetPlayerItemOpenInvStatus(player.getName()))
-					|| !player.hasPermission("OpenInv.openinv"))
-			{
+					|| !player.hasPermission("OpenInv.openinv")) {
 				return;
 			}
 
 			player.performCommand("openinv");
 		}
 	}
+
+	@EventHandler
+	public void onQuit(PlayerQuitEvent event) {
+		InventoryManager.INSTANCE.onQuit(event.getPlayer());
+	}
 }

src/lishid/openinv/commands/OpenInvPluginCommand.java

@@ -16,172 +16,88 @@
 
 package lishid.openinv.commands;
 
-import java.io.File;
 import java.util.HashMap;
 
 import lishid.openinv.OpenInv;
-import lishid.openinv.utils.PlayerInventoryChest;
 
-import net.minecraft.server.EntityPlayer;
-import net.minecraft.server.ItemInWorldManager;
-import net.minecraft.server.MinecraftServer;
-
-import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
-import org.bukkit.craftbukkit.CraftServer;
-import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.entity.Player;
 
+import balor.OpenInv.InventoryManager;
+import balor.OpenInv.PlayerNotFound;
+import balor.OpenInv.WorldNotFoundException;
+
 public class OpenInvPluginCommand implements CommandExecutor {
 	private final OpenInv plugin;
-    public static HashMap<Player, PlayerInventoryChest> offlineInv = new HashMap<Player, PlayerInventoryChest>();
 	public static HashMap<Player, String> openInvHistory = new HashMap<Player, String>();
+
 	public OpenInvPluginCommand(OpenInv plugin) {
 		this.plugin = plugin;
 	}
 
 	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-    	if(!(sender instanceof Player))
-    	{
+		if (!(sender instanceof Player)) {
 			sender.sendMessage(ChatColor.RED + "You can't use this from the console.");
 			return true;
 		}
 		if (!sender.hasPermission("OpenInv.openinv")) {
-            sender.sendMessage(ChatColor.RED + "You do not have permission to access player inventories");
+			sender.sendMessage(ChatColor.RED
+					+ "You do not have permission to access player inventories");
 			return true;
 		}
 
-    	if(args.length > 0 && args[0].equalsIgnoreCase("?"))
-    	{
-    		OpenInv.ShowHelp((Player)sender);
+		if (args.length > 0 && args[0].equalsIgnoreCase("?")) {
+			OpenInv.ShowHelp((Player) sender);
 			return true;
 		}
 
-		Player player = (Player)sender;
-    	boolean Offline = false;
+		Player player = (Player) sender;
 
-		//History management
+		// History management
 		String history = openInvHistory.get(player);
 
-		if(history == null || history == "")
-		{
+		if (history == null || history == "") {
 			history = player.getName();
 			openInvHistory.put(player, history);
 		}
 
-		//Target selecting
+		// Target selecting
 		Player target;
 
 		String name = "";
 
-		//Read from history if target is not named
+		// Read from history if target is not named
 		if (args.length < 1) {
-			if(history != null && history != "")
-			{
+			if (history != null && history != "") {
 				name = history;
-			}
-			else
-			{
+			} else {
 				sender.sendMessage(ChatColor.RED + "OpenInv history is empty!");
 				return true;
 			}
-		}
-		else
-		{
+		} else {
 			name = args[0];
 		}
 
 		target = this.plugin.getServer().getPlayer(name);
-
-		if(target == null)
-		{
-			//Offline inv here...
-			try{
-				//See if the player has data files
-				
-				// Find the player folder
-				File playerfolder = new File(Bukkit.getWorlds().get(0).getWorldFolder(), "players");
-
-				// Find player name
-				for (File playerfile : playerfolder.listFiles())
-				{
-					String filename = playerfile.getName();
-					String playername = filename.substring(0, filename.length() - 4);
-					
-					if(playername.trim().equalsIgnoreCase(name))
-					{
-						//Create an entity to load the player data
-						MinecraftServer server = ((CraftServer)this.plugin.getServer()).getServer();
-						EntityPlayer entity = new EntityPlayer(server, server.getWorldServer(0), playername, new ItemInWorldManager(server.getWorldServer(0)));
-						target = (entity == null) ? null : (Player) entity.getBukkitEntity();
-						if(target != null)
-						{
-							Offline = true;
-							target.loadData();
-						}
-						else
-						{
-							sender.sendMessage(ChatColor.RED + "Player not found!");
-							return true;
-						}
-					}
-				}
-				if(!Offline)
-				{
-					sender.sendMessage(ChatColor.RED + "Player not found!");
-					return true;
-				}
-			}
-			catch(Exception e)
-			{
-				sender.sendMessage("Error while retrieving offline player data!");
-				e.printStackTrace();
-				return true;
+		if (target == null) {
+			try {
+				target = InventoryManager.INSTANCE.openOfflineInv(player, name, player.getWorld().getName());
+			} catch (PlayerNotFound e) {
+				sender.sendMessage(e.getMessage());
+			} catch (WorldNotFoundException e) {
+				sender.sendMessage(e.getMessage());
 			}
+		} else {
+			InventoryManager.INSTANCE.openInv(player, target);
 		}
 
-		//Permissions checks
-		if (!player.hasPermission("OpenInv.override") && target.hasPermission("OpenInv.exempt")) {
-            sender.sendMessage(ChatColor.RED + target.getDisplayName() + "'s inventory is protected!");
-            return true;
-        }
-		
-		if((!player.hasPermission("OpenInv.crossworld") && !player.hasPermission("OpenInv.override")) && 
-				target.getWorld() != player.getWorld()){
-			sender.sendMessage(ChatColor.RED + target.getDisplayName() + " is not in your world!");
-            return true;
-		}
-
-		//Record the target
+		// Record the target
 		history = target.getName();
 		openInvHistory.put(player, history);
 
-		//Get the EntityPlayer handle from the sender
-		EntityPlayer entityplayer = ((CraftPlayer) player).getHandle();
-
-		//Get the EntityPlayer from the Target
-		EntityPlayer entitytarget = ((CraftPlayer) target).getHandle();
-		
-		//Create the inventory
-		PlayerInventoryChest inv = new PlayerInventoryChest(entitytarget.inventory, entitytarget);
-		
-		//Save data into the inventory for tracking
-		inv.Opener = player;
-		inv.Target = target;
-		
-		//Saves offline openinv
-		if(Offline)
-		{
-			inv.Offline = true;
-			offlineInv.put(target, inv);
-		}
-		
-		//Open the inventory
-		entityplayer.openContainer(inv);
-		
 		return true;
 	}
 }

src/lishid/openinv/utils/Metrics.java

@@ -1,6 +1,4 @@
-package lishid.openinv.utils;
-
-/*
+/**
  * Copyright 2011 Tyler Blair. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -26,12 +24,8 @@ package lishid.openinv.utils;
  * The views and conclusions contained in the software and documentation are those of the
  * authors and contributors and should not be interpreted as representing official policies,
  * either expressed or implied, of anybody else.
- */
-
-import org.bukkit.Bukkit;
-import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.plugin.Plugin;
-import org.bukkit.plugin.PluginDescriptionFile;
+ **/
+package lishid.openinv.utils;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -49,10 +43,18 @@ import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.Set;
 import java.util.UUID;
+import java.util.logging.Level;
+
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.PluginDescriptionFile;
 
 /**
  * <p>
- * The metrics class obtains data about a plugin and submits statistics about it to the metrics backend.
+ * The metrics class obtains data about a plugin and submits statistics about it
+ * to the metrics backend.
  * </p>
  * <p>
  * Public methods provided by this class:
@@ -73,7 +75,7 @@ public class Metrics {
 	/**
 	 * The base url of the metrics domain
 	 */
-    private static final String BASE_URL = "http://metrics.griefcraft.com";
+	private static final String BASE_URL = "http://mcstats.org";
 
 	/**
 	 * The url used to report a server's status
@@ -86,15 +88,15 @@ public class Metrics {
 	private static final String CONFIG_FILE = "plugins/PluginMetrics/config.yml";
 
 	/**
-     * The separator to use for custom data. This MUST NOT change unless you are hosting your own
-     * version of metrics and want to change it.
+	 * The separator to use for custom data. This MUST NOT change unless you are
+	 * hosting your own version of metrics and want to change it.
 	 */
 	private static final String CUSTOM_DATA_SEPARATOR = "~~";
 
 	/**
 	 * Interval of time to ping (in minutes)
 	 */
-    private final static int PING_INTERVAL = 10;
+	private static final int PING_INTERVAL = 10;
 
 	/**
 	 * The plugin this metrics submits for
@@ -107,7 +109,8 @@ public class Metrics {
 	private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
 
 	/**
-     * The default graph, used for addCustomData when you don't want a specific graph
+	 * The default graph, used for addCustomData when you don't want a specific
+	 * graph
 	 */
 	private final Graph defaultGraph = new Graph("Default");
 
@@ -116,12 +119,27 @@ public class Metrics {
 	 */
 	private final YamlConfiguration configuration;
 
+	/**
+	 * The plugin configuration file
+	 */
+	private final File configurationFile;
+
 	/**
 	 * Unique server id
 	 */
 	private final String guid;
 
-    public Metrics(Plugin plugin) throws IOException {
+	/**
+	 * Lock for synchronization
+	 */
+	private final Object optOutLock = new Object();
+
+	/**
+	 * Id of the scheduled task
+	 */
+	private volatile int taskId = -1;
+
+	public Metrics(final Plugin plugin) throws IOException {
 		if (plugin == null) {
 			throw new IllegalArgumentException("Plugin cannot be null");
 		}
@@ -129,8 +147,8 @@ public class Metrics {
 		this.plugin = plugin;
 
 		// load the config
-        File file = new File(CONFIG_FILE);
-        configuration = YamlConfiguration.loadConfiguration(file);
+		configurationFile = new File(CONFIG_FILE);
+		configuration = YamlConfiguration.loadConfiguration(configurationFile);
 
 		// add some defaults
 		configuration.addDefault("opt-out", false);
@@ -138,8 +156,8 @@ public class Metrics {
 
 		// Do we need to create the file?
 		if (configuration.get("guid", null) == null) {
-            configuration.options().header("http://metrics.griefcraft.com").copyDefaults(true);
-            configuration.save(file);
+			configuration.options().header("http://mcstats.org").copyDefaults(true);
+			configuration.save(configurationFile);
 		}
 
 		// Load the guid then
@@ -147,19 +165,21 @@ public class Metrics {
 	}
 
 	/**
-     * Construct and create a Graph that can be used to separate specific plotters to their own graphs
-     * on the metrics website. Plotters can be added to the graph object returned.
+	 * Construct and create a Graph that can be used to separate specific
+	 * plotters to their own graphs on the metrics website. Plotters can be
+	 * added to the graph object returned.
 	 * 
 	 * @param name
-     * @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
+	 * @return Graph object created. Will never return NULL under normal
+	 *         circumstances unless bad parameters are given
 	 */
-    public Graph createGraph(String name) {
+	public Graph createGraph(final String name) {
 		if (name == null) {
 			throw new IllegalArgumentException("Graph name cannot be null");
 		}
 
 		// Construct the graph object
-        Graph graph = new Graph(name);
+		final Graph graph = new Graph(name);
 
 		// Now we can add our graph
 		graphs.add(graph);
@@ -173,7 +193,7 @@ public class Metrics {
 	 * 
 	 * @param plotter
 	 */
-    public void addCustomData(Plotter plotter) {
+	public void addCustomData(final Plotter plotter) {
 		if (plotter == null) {
 			throw new IllegalArgumentException("Plotter cannot be null");
 		}
@@ -186,86 +206,191 @@ public class Metrics {
 	}
 
 	/**
-     * Start measuring statistics. This will immediately create an async repeating task as the plugin and send
-     * the initial data to the metrics backend, and then after that it will post in increments of
-     * PING_INTERVAL * 1200 ticks.
+	 * Start measuring statistics. This will immediately create an async
+	 * repeating task as the plugin and send the initial data to the metrics
+	 * backend, and then after that it will post in increments of PING_INTERVAL
+	 * * 1200 ticks.
+	 * 
+	 * @return True if statistics measuring is running, otherwise false.
 	 */
-    public void start() {
+	public boolean start() {
+		synchronized (optOutLock) {
 			// Did we opt out?
-        if (configuration.getBoolean("opt-out", false)) {
-            return;
+			if (isOptOut()) {
+				return false;
+			}
+
+			// Is metrics already running?
+			if (taskId >= 0) {
+				return true;
 			}
 
 			// Begin hitting the server with glorious data
-        plugin.getServer().getScheduler().scheduleAsyncRepeatingTask(plugin, new Runnable() {
+			taskId = plugin.getServer().getScheduler()
+					.scheduleAsyncRepeatingTask(plugin, new Runnable() {
+
 						private boolean firstPost = true;
 
+						@Override
 						public void run() {
 							try {
-                    // We use the inverse of firstPost because if it is the first time we are posting,
-                    // it is not a interval ping, so it evaluates to FALSE
-                    // Each time thereafter it will evaluate to TRUE, i.e PING!
+								// This has to be synchronized or it can collide
+								// with the disable method.
+								synchronized (optOutLock) {
+									// Disable Task, if it is running and the
+									// server owner decided to opt-out
+									if (isOptOut() && taskId > 0) {
+										plugin.getServer().getScheduler().cancelTask(taskId);
+										taskId = -1;
+									}
+								}
+
+								// We use the inverse of firstPost because if it
+								// is the first time we are posting,
+								// it is not a interval ping, so it evaluates to
+								// FALSE
+								// Each time thereafter it will evaluate to
+								// TRUE, i.e PING!
 								postPlugin(!firstPost);
 
-                    // After the first post we set firstPost to false
+								// After the first post we set firstPost to
+								// false
 								// Each post thereafter will be a ping
 								firstPost = false;
-                } catch (Exception e) {
-                    System.err.println("[Metrics] " + e.getMessage());
+							} catch (final IOException e) {
+								Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
 							}
 						}
 					}, 0, PING_INTERVAL * 1200);
+
+			return true;
+		}
+	}
+
+	/**
+	 * Has the server owner denied plugin metrics?
+	 * 
+	 * @return
+	 */
+	public boolean isOptOut() {
+		synchronized (optOutLock) {
+			try {
+				// Reload the metrics file
+				configuration.load(CONFIG_FILE);
+			} catch (final IOException ex) {
+				Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
+				return true;
+			} catch (final InvalidConfigurationException ex) {
+				Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
+				return true;
+			}
+			return configuration.getBoolean("opt-out", false);
+		}
+	}
+
+	/**
+	 * Enables metrics for the server by setting "opt-out" to false in the
+	 * config file and starting the metrics task.
+	 * 
+	 * @throws IOException
+	 */
+	public void enable() throws IOException {
+		// This has to be synchronized or it can collide with the check in the
+		// task.
+		synchronized (optOutLock) {
+			// Check if the server owner has already set opt-out, if not, set
+			// it.
+			if (isOptOut()) {
+				configuration.set("opt-out", false);
+				configuration.save(configurationFile);
+			}
+
+			// Enable Task, if it is not running
+			if (taskId < 0) {
+				start();
+			}
+		}
+	}
+
+	/**
+	 * Disables metrics for the server by setting "opt-out" to true in the
+	 * config file and canceling the metrics task.
+	 * 
+	 * @throws IOException
+	 */
+	public void disable() throws IOException {
+		// This has to be synchronized or it can collide with the check in the
+		// task.
+		synchronized (optOutLock) {
+			// Check if the server owner has already set opt-out, if not, set
+			// it.
+			if (!isOptOut()) {
+				configuration.set("opt-out", true);
+				configuration.save(configurationFile);
+			}
+
+			// Disable Task, if it is running
+			if (taskId > 0) {
+				this.plugin.getServer().getScheduler().cancelTask(taskId);
+				taskId = -1;
+			}
+		}
 	}
 
 	/**
 	 * Generic method that posts a plugin to the metrics website
 	 */
-    private void postPlugin(boolean isPing) throws IOException {
-        // The plugin's description file containg all of the plugin data such as name, version, author, etc
-        PluginDescriptionFile description = plugin.getDescription();
+	private void postPlugin(final boolean isPing) throws IOException {
+		// The plugin's description file containg all of the plugin data such as
+		// name, version, author, etc
+		final PluginDescriptionFile description = plugin.getDescription();
 
 		// Construct the post data
-        String data = encode("guid") + '=' + encode(guid)
-                + encodeDataPair("version", description.getVersion())
-                + encodeDataPair("server", Bukkit.getVersion())
-                + encodeDataPair("players", Integer.toString(Bukkit.getServer().getOnlinePlayers().length))
-                + encodeDataPair("revision", String.valueOf(REVISION));
+		final StringBuilder data = new StringBuilder();
+		data.append(encode("guid")).append('=').append(encode(guid));
+		encodeDataPair(data, "version", description.getVersion());
+		encodeDataPair(data, "server", Bukkit.getVersion());
+		encodeDataPair(data, "players",
+				Integer.toString(Bukkit.getServer().getOnlinePlayers().length));
+		encodeDataPair(data, "revision", String.valueOf(REVISION));
 
 		// If we're pinging, append it
 		if (isPing) {
-            data += encodeDataPair("ping", "true");
+			encodeDataPair(data, "ping", "true");
 		}
 
-        // Acquire a lock on the graphs, which lets us make the assumption we also lock everything
+		// Acquire a lock on the graphs, which lets us make the assumption we
+		// also lock everything
 		// inside of the graph (e.g plotters)
 		synchronized (graphs) {
-            Iterator<Graph> iter = graphs.iterator();
+			final Iterator<Graph> iter = graphs.iterator();
 
 			while (iter.hasNext()) {
-                Graph graph = iter.next();
+				final Graph graph = iter.next();
 
-                // Because we have a lock on the graphs set already, it is reasonable to assume
-                // that our lock transcends down to the individual plotters in the graphs also.
-                // Because our methods are private, no one but us can reasonably access this list
-                // without reflection so this is a safe assumption without adding more code.
-                for (Plotter plotter : graph.getPlotters()) {
+				for (final Plotter plotter : graph.getPlotters()) {
 					// The key name to send to the metrics server
-                    // The format is C-GRAPHNAME-PLOTTERNAME where separator - is defined at the top
-                    // Legacy (R4) submitters use the format Custom%s, or CustomPLOTTERNAME
-                    String key = String.format("C%s%s%s%s", CUSTOM_DATA_SEPARATOR, graph.getName(), CUSTOM_DATA_SEPARATOR, plotter.getColumnName());
+					// The format is C-GRAPHNAME-PLOTTERNAME where separator -
+					// is defined at the top
+					// Legacy (R4) submitters use the format Custom%s, or
+					// CustomPLOTTERNAME
+					final String key = String.format("C%s%s%s%s", CUSTOM_DATA_SEPARATOR,
+							graph.getName(), CUSTOM_DATA_SEPARATOR, plotter.getColumnName());
 
-                    // The value to send, which for the foreseeable future is just the string
+					// The value to send, which for the foreseeable future is
+					// just the string
 					// value of plotter.getValue()
-                    String value = Integer.toString(plotter.getValue());
+					final String value = Integer.toString(plotter.getValue());
 
 					// Add it to the http post data :)
-                    data += encodeDataPair(key, value);
+					encodeDataPair(data, key, value);
 				}
 			}
 		}
 
 		// Create the url
-        URL url = new URL(BASE_URL + String.format(REPORT_URL, description.getName()));
+		final URL url = new URL(BASE_URL
+				+ String.format(REPORT_URL, encode(plugin.getDescription().getName())));
 
 		// Connect to the website
 		URLConnection connection;
@@ -281,41 +406,42 @@ public class Metrics {
 		connection.setDoOutput(true);
 
 		// Write the data
-        OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
-        writer.write(data);
+		final OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
+		writer.write(data.toString());
 		writer.flush();
 
 		// Now read the response
-        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
-        String response = reader.readLine();
+		final BufferedReader reader = new BufferedReader(new InputStreamReader(
+				connection.getInputStream()));
+		final String response = reader.readLine();
 
 		// close resources
 		writer.close();
 		reader.close();
 
-        if (response.startsWith("ERR")) {
-            throw new IOException(response); //Throw the exception
+		if (response == null || response.startsWith("ERR")) {
+			throw new IOException(response); // Throw the exception
 		} else {
 			// Is this the first update this hour?
 			if (response.contains("OK This is your first update this hour")) {
 				synchronized (graphs) {
-                    Iterator<Graph> iter = graphs.iterator();
+					final Iterator<Graph> iter = graphs.iterator();
 
 					while (iter.hasNext()) {
-                        Graph graph = iter.next();
+						final Graph graph = iter.next();
 
-                        for (Plotter plotter : graph.getPlotters()) {
+						for (final Plotter plotter : graph.getPlotters()) {
 							plotter.reset();
 						}
 					}
 				}
 			}
 		}
-        //if (response.startsWith("OK")) - We should get "OK" followed by an optional description if everything goes right
 	}
 
 	/**
-     * Check if mineshafter is present. If it is, we need to bypass it to send POST requests
+	 * Check if mineshafter is present. If it is, we need to bypass it to send
+	 * POST requests
 	 * 
 	 * @return
 	 */
@@ -323,24 +449,30 @@ public class Metrics {
 		try {
 			Class.forName("mineshafter.MineServer");
 			return true;
-        } catch (Exception e) {
+		} catch (final Exception e) {
 			return false;
 		}
 	}
 
 	/**
-     * <p>Encode a key/value data pair to be used in a HTTP post request. This INCLUDES a & so the first
-     * key/value pair MUST be included manually, e.g:</p>
+	 * <p>
+	 * Encode a key/value data pair to be used in a HTTP post request. This
+	 * INCLUDES a & so the first key/value pair MUST be included manually, e.g:
+	 * </p>
 	 * <code>
-     * String httpData = encode("guid") + '=' + encode("1234") + encodeDataPair("authors") + "..";
+	 * StringBuffer data = new StringBuffer();
+	 * data.append(encode("guid")).append('=').append(encode(guid));
+	 * encodeDataPair(data, "version", description.getVersion());
 	 * </code>
 	 * 
+	 * @param buffer
 	 * @param key
 	 * @param value
 	 * @return
 	 */
-    private static String encodeDataPair(String key, String value) throws UnsupportedEncodingException {
-        return '&' + encode(key) + '=' + encode(value);
+	private static void encodeDataPair(final StringBuilder buffer, final String key,
+			final String value) throws UnsupportedEncodingException {
+		buffer.append('&').append(encode(key)).append('=').append(encode(value));
 	}
 
 	/**
@@ -349,7 +481,7 @@ public class Metrics {
 	 * @param text
 	 * @return
 	 */
-    private static String encode(String text) throws UnsupportedEncodingException {
+	private static String encode(final String text) throws UnsupportedEncodingException {
 		return URLEncoder.encode(text, "UTF-8");
 	}
 
@@ -359,8 +491,8 @@ public class Metrics {
 	public static class Graph {
 
 		/**
-         * The graph's name, alphanumeric and spaces only :)
-         * If it does not comply to the above when submitted, it is rejected
+		 * The graph's name, alphanumeric and spaces only :) If it does not
+		 * comply to the above when submitted, it is rejected
 		 */
 		private final String name;
 
@@ -369,7 +501,7 @@ public class Metrics {
 		 */
 		private final Set<Plotter> plotters = new LinkedHashSet<Plotter>();
 
-        private Graph(String name) {
+		private Graph(final String name) {
 			this.name = name;
 		}
 
@@ -387,7 +519,7 @@ public class Metrics {
 		 * 
 		 * @param plotter
 		 */
-        public void addPlotter(Plotter plotter) {
+		public void addPlotter(final Plotter plotter) {
 			plotters.add(plotter);
 		}
 
@@ -396,7 +528,7 @@ public class Metrics {
 		 * 
 		 * @param plotter
 		 */
-        public void removePlotter(Plotter plotter) {
+		public void removePlotter(final Plotter plotter) {
 			plotters.remove(plotter);
 		}
 
@@ -415,12 +547,12 @@ public class Metrics {
 		}
 
 		@Override
-        public boolean equals(Object object) {
+		public boolean equals(final Object object) {
 			if (!(object instanceof Graph)) {
 				return false;
 			}
 
-            Graph graph = (Graph) object;
+			final Graph graph = (Graph) object;
 			return graph.name.equals(name);
 		}
 
@@ -448,7 +580,7 @@ public class Metrics {
 		 * 
 		 * @param name
 		 */
-        public Plotter(String name) {
+		public Plotter(final String name) {
 			this.name = name;
 		}
 
@@ -480,13 +612,15 @@ public class Metrics {
 		}
 
 		@Override
-        public boolean equals(Object object) {
+		public boolean equals(final Object object) {
 			if (!(object instanceof Plotter)) {
 				return false;
 			}
 
-            Plotter plotter = (Plotter) object;
+			final Plotter plotter = (Plotter) object;
 			return plotter.name.equals(name) && plotter.getValue() == getValue();
 		}
+
 	}
+
 }

src/lishid/openinv/utils/PlayerInventoryChest.java

@@ -1,293 +0,0 @@
-/*
- * Copyright (C) 2011-2012 lishid.  All rights reserved.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation,  version 3.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package lishid.openinv.utils;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.bukkit.craftbukkit.entity.CraftHumanEntity;
-import org.bukkit.entity.HumanEntity;
-import org.bukkit.entity.Player;
-import org.bukkit.inventory.InventoryHolder;
-
-import lishid.openinv.commands.OpenInvPluginCommand;
-import net.minecraft.server.EntityHuman;
-import net.minecraft.server.EntityPlayer;
-import net.minecraft.server.IInventory;
-import net.minecraft.server.ItemStack;
-import net.minecraft.server.PlayerInventory;
-
-public class PlayerInventoryChest implements IInventory
-{
-    public boolean Offline = false;
-    public Player Opener;
-    EntityPlayer player;
-    public Player Target;
-    private ItemStack[] items = new ItemStack[36];
-    private ItemStack[] armor = new ItemStack[4];
-    private ItemStack[] extra = new ItemStack[5];
-    private int maxStack = MAX_STACK;
-
-    public PlayerInventoryChest(PlayerInventory inventory, EntityPlayer entityplayer)
-    {
-        player = entityplayer;
-        this.items = inventory.items;
-        this.armor = inventory.armor;
-    }
-
-    public ItemStack[] getContents()
-    {
-        ItemStack[] C = new ItemStack[getSize()];
-        System.arraycopy(items, 0, C, 0, items.length);
-        System.arraycopy(items, 0, C, items.length, armor.length);
-        return C;
-    }
-
-    public int getSize()
-    {
-        return 45;
-    }
-
-    public ItemStack getItem(int i)
-    {
-        ItemStack[] is = this.items;
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.armor;
-        }
-        else
-        {
-            i = getReversedItemSlotNum(i);
-        }
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.extra;
-        }
-        else if(is == this.armor)
-        {
-            i = getReversedArmorSlotNum(i);
-        }
-
-        return is[i];
-    }
-
-    public ItemStack splitStack(int i, int j)
-    {
-        ItemStack[] is = this.items;
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.armor;
-        }
-        else
-        {
-            i = getReversedItemSlotNum(i);
-        }
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.extra;
-        }
-        else if(is == this.armor)
-        {
-            i = getReversedArmorSlotNum(i);
-        }
-
-        if (is[i] != null)
-        {
-            ItemStack itemstack;
-
-            if (is[i].count <= j)
-            {
-                itemstack = is[i];
-                is[i] = null;
-                return itemstack;
-            }
-            else
-            {
-                itemstack = is[i].a(j);
-                if (is[i].count == 0)
-                {
-                    is[i] = null;
-                }
-
-                return itemstack;
-            }
-        }
-        else
-        {
-            return null;
-        }
-    }
-
-    public ItemStack splitWithoutUpdate(int i) {
-        ItemStack[] is = this.items;
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.armor;
-        }
-        else
-        {
-            i = getReversedItemSlotNum(i);
-        }
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.extra;
-        }
-        else if(is == this.armor)
-        {
-            i = getReversedArmorSlotNum(i);
-        }
-        
-        if (is[i] != null) {
-            ItemStack itemstack = is[i];
-
-            is[i] = null;
-            return itemstack;
-        } else {
-            return null;
-        }
-    }
-
-    public void setItem(int i, ItemStack itemstack)
-    {
-        ItemStack[] is = this.items;
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.armor;
-        }
-        else
-        {
-            i = getReversedItemSlotNum(i);
-        }
-
-        if (i >= is.length)
-        {
-            i -= is.length;
-            is = this.extra;
-        }
-        else if(is == this.armor)
-        {
-            i = getReversedArmorSlotNum(i);
-        }
-        
-        /*
-        
-        //Effects
-        if(is == this.extra)
-        {
-        	if(i == 0)
-        	{
-        		itemstack.setData(0);
-        	}
-        }*/
-
-        is[i] = itemstack;
-    }
-
-    private int getReversedItemSlotNum(int i)
-    {
-        if (i >= 27) return i - 27;
-        else return i + 9;
-    }
-
-    private int getReversedArmorSlotNum(int i)
-    {
-        if (i == 0) return 3;
-        if (i == 1) return 2;
-        if (i == 2) return 1;
-        if (i == 3) return 0;
-        else return i;
-    }
-
-    public String getName()
-    {
-        if (player.name.length() > 16) return player.name.substring(0, 16);
-        return player.name;
-    }
-
-    public int getMaxStackSize()
-    {
-        return maxStack;
-    }
-
-    public boolean a(EntityHuman entityhuman)
-    {
-        return true;
-    }
-
-    public void f()
-    {
-
-    }
-
-    public void g()
-    {
-        try
-        {
-            PlayerInventoryChest inv = OpenInvPluginCommand.offlineInv.get(this.Target);
-            if (inv != null)
-            {
-                this.Target.saveData();
-                OpenInvPluginCommand.offlineInv.remove(this.Target);
-            }
-        }
-        catch (Exception e)
-        {}
-    }
-
-    public void update()
-    {
-
-    }
-    
-    public List<HumanEntity> transaction = new ArrayList<HumanEntity>();
-    
-    public void onOpen(CraftHumanEntity who) {
-        transaction.add(who);
-    }
-
-    public void onClose(CraftHumanEntity who) {
-        transaction.remove(who);
-    }
-
-    public List<HumanEntity> getViewers() {
-        return transaction;
-    }
-
-	@Override
-	public InventoryHolder getOwner() {
-		return null;
-	}
-
-	@Override
-    public void setMaxStackSize(int size) {
-        maxStack = size;
-    }
-}