Refactor :D

src/com/drtshock/playervaults/Listeners.java

@@ -0,0 +1,119 @@
+package com.drtshock.playervaults;
+
+import java.io.IOException;
+
+
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.entity.PlayerDeathEvent;
+import org.bukkit.event.inventory.InventoryCloseEvent;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.inventory.Inventory;
+
+import com.drtshock.playervaults.commands.Commands;
+import com.drtshock.playervaults.commands.VaultViewInfo;
+import com.drtshock.playervaults.util.VaultManager;
+
+public class Listeners implements Listener {
+
+	public Main plugin;
+	
+	public Listeners(Main instance) {
+		this.plugin = instance;
+	}
+	VaultManager vm = new VaultManager(plugin);
+
+	public void doSaveStuff(Player p) {
+		if(Commands.inVault.containsKey(p.getName())) {
+			Inventory inv = p.getOpenInventory().getTopInventory();
+			VaultViewInfo info = Commands.inVault.get(p.getName());
+			try {
+				vm.saveVault(inv, info.getHolder(), info.getNumber());
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+			Commands.inVault.remove(p.getName());
+		}
+	}
+	
+	@EventHandler
+	public void onQuit(PlayerQuitEvent event) {
+		Player player = event.getPlayer();
+		doSaveStuff(player);
+	}
+	@EventHandler
+	public void onJoin(PlayerJoinEvent event) {
+		Player player = event.getPlayer();
+		vm.playerVaultFile(player.getName());
+		if(player.isOp() && Main.update)
+		{
+			player.sendMessage(ChatColor.GREEN + "Version " + Main.name + " of PlayerVaults is up for download!");
+			player.sendMessage(ChatColor.GREEN + "http://dev.bukkit.org/server-mods/playervaults to view the changelog and download!");
+		}
+	}
+	@EventHandler
+	public void onDeath(PlayerDeathEvent event) {
+		Player player = event.getEntity();
+		doSaveStuff(player);
+	}
+
+	@EventHandler 
+	public void onClose(InventoryCloseEvent event) {
+		HumanEntity he = event.getPlayer();
+		if(he instanceof Player) {
+			Player player = (Player) he;
+			doSaveStuff(player);
+		}
+	}
+
+	/**
+	 * Check if a player is trying to do something while
+	 * in a vault.
+	 * Don't let them open up another chest.
+	 * @param event
+	 */
+	@EventHandler
+	public void onInteract(PlayerInteractEvent event) {
+		Player player = event.getPlayer();
+		if(Commands.inVault.containsKey(player.getName()) && event.getAction() == Action.RIGHT_CLICK_BLOCK) {
+			Block block = event.getClickedBlock();
+
+			/**
+			 * Different inventories that
+			 * we don't want the player to open.
+			 */
+			if(block.getType() == Material.CHEST 
+					|| block.getType() == Material.ENDER_CHEST
+					|| block.getType() == Material.FURNACE
+					|| block.getType() == Material.BURNING_FURNACE
+					|| block.getType() == Material.BREWING_STAND
+					|| block.getType() == Material.BEACON) {
+				event.setCancelled(true);
+			}
+		}
+	}
+
+	/**
+	 * Don't let a player open a trading inventory OR a minecart
+	 * while he has his vault open.
+	 * @param event
+	 */
+	@EventHandler
+	public void onInteractEntity(PlayerInteractEntityEvent event) {
+		Player player = event.getPlayer();
+		EntityType type = event.getRightClicked().getType();
+		if((type == EntityType.VILLAGER||type==EntityType.MINECART) && Commands.inVault.containsKey(player.getName())) {
+			event.setCancelled(true);
+		}
+	}
+}

src/com/drtshock/playervaults/Main.java

@@ -0,0 +1,192 @@
+package com.drtshock.playervaults;
+
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+import java.util.logging.Logger;
+
+
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.plugin.PluginManager;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import com.drtshock.playervaults.commands.Commands;
+import com.drtshock.playervaults.util.Metrics;
+import com.drtshock.playervaults.util.Updater;
+
+
+public class Main extends JavaPlugin {
+
+	public Main plugin;
+	public Logger log;
+	public static boolean update = false;
+	public static String name = "";
+	Commands commands = new Commands();
+
+	@Override
+	public void onEnable() {
+		log = getServer().getLogger();
+		PluginManager pm = getServer().getPluginManager();
+		pm.registerEvents(new Listeners(this), this);
+		getCommand("pv").setExecutor(new Commands());
+		getCommand("pvdel").setExecutor(new Commands());
+		loadConfig();
+		loadLang();
+		startMetrics();
+
+		Updater u = new Updater();
+		try {
+			if(u.getUpdate()) {
+				update = true;
+				name = u.getNewVersion();
+			}
+		} catch (Exception e) {}
+		
+	}
+
+	@Override
+	public void onDisable() {
+		//saveData();
+	}
+
+
+	public void startMetrics() {
+		try {
+			Metrics metrics = new Metrics(this);
+			metrics.start();
+		} catch (IOException localIOException) {
+			localIOException.printStackTrace();
+		}
+	}
+	
+	public void loadConfig() {
+		/**
+		 * Check to see if there's a config.
+		 * If not then create a new one.
+		 */
+		File config = new File(getDataFolder() + File.separator + "config.yml");
+		if(!config.exists()) {
+			saveDefaultConfig();
+		}
+	}
+
+	public void loadLang() {
+		/**
+		 * Check to see if there's a config.
+		 * If not then create a new one.
+		 */
+		File lang = new File(getDataFolder() + File.separator + "lang.yml");
+		if(!lang.exists()) {
+			try{
+				getDataFolder().mkdir();
+				lang.createNewFile();
+			} catch (IOException e) {
+				log.warning("[PlayerVaults] Couldn't create language file.");
+			}
+			/**
+			 * Write the config file here.
+			 * New, genius way to write it :)
+			 */
+			try {
+				FileOutputStream fos = new FileOutputStream(lang);
+				InputStream is = getResource("lang.yml");
+				byte[] linebuffer = new byte[4096];
+				int lineLength = 0;
+				while((lineLength = is.read(linebuffer)) > 0)
+				{
+					fos.write(linebuffer, 0, lineLength);
+				}
+				fos.close();
+			} catch (IOException e) {
+				log.warning("[PlayerVaults] Couldn't write Language file: " + e);
+			}	
+		}
+	}
+	
+	private YamlConfiguration lang() {
+		File file = new File(getDataFolder() + File.separator + "lang.yml");
+		YamlConfiguration lang = YamlConfiguration.loadConfiguration(file);
+		return lang;
+	}
+	
+	/**
+	 * Methods to get values from the config.
+	 * public so any class / plugin can get them.
+	 */
+
+	/**
+	 * 
+	 * @return updateCheck
+	 */
+	public boolean updateCheck() {
+		return getConfig().getBoolean("check-update");
+	}
+
+	/**
+	 * 
+	 * @return disabled worlds.
+	 */
+	public List<?> disabledWorlds() {
+		return getConfig().getList("disabled-worlds");
+	}
+
+	/**
+	 * Values for the lang.yml
+	 */
+
+	/**
+	 * 
+	 * @return title used in all messages.
+	 */
+	public String title() {
+		return lang().getString("title-name");
+	}
+
+	/**
+	 * 
+	 * @return string for opening vault.
+	 */
+	public String openVault() {
+		return lang().getString("open-vault");
+	}
+
+	/**
+	 * 
+	 * @return string for opening someone else's vault.
+	 */
+	public String openOtherVault() {
+		return lang().getString("open-other-vault");
+	}
+
+	/**
+	 * 
+	 * @return string for invalid args.
+	 */
+	public String invalidArgs() {
+		return lang().getString("invalid-args");
+	}
+
+	/**
+	 * 
+	 * @return string for deleting a vault.
+	 */
+	public String deleteVault() {
+		return lang().getString("delete-vault");
+	}
+
+	/**
+	 * 
+	 * @return string for deleting someone else's vault.
+	 */
+	public String deleteOtherVault() {
+		return lang().getString("delete-other-vault");
+	}
+	
+	public Logger getLog() {
+		return getServer().getLogger();
+	}
+
+}

src/com/drtshock/playervaults/commands/Commands.java

@@ -0,0 +1,54 @@
+package com.drtshock.playervaults.commands;
+
+import java.util.HashMap;
+
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+
+public class Commands implements CommandExecutor {
+
+	public static HashMap<String, VaultViewInfo> inVault = new HashMap<String, VaultViewInfo>();
+	private final String pv = ChatColor.DARK_RED + "[" + ChatColor.WHITE + "PlayerVaults" + 
+			ChatColor.DARK_RED + "]" + ChatColor.WHITE + ": ";
+
+	@Override
+	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
+		if(cmd.getName().equalsIgnoreCase("pv")) {
+			if(sender instanceof Player) {
+				Player p = (Player) sender;
+				switch(args.length) {
+				case 1:
+					if(VaultOperations.openOwnVault(p, args[0]))
+						inVault.put(sender.getName(), new VaultViewInfo(sender.getName(), Integer.parseInt(args[0])));
+					break;
+				case 2:
+					if(VaultOperations.openOtherVault(p,args[0], args[1])) {
+						inVault.put(sender.getName(), new VaultViewInfo(args[0], Integer.parseInt(args[1])));
+					}
+					break;
+				default:
+					Feedback.showHelp(sender, Feedback.Type.OPEN);
+				}
+			}
+			else sender.sendMessage(pv + "Sorry but that can only be run by a player!");
+		}
+		else if(cmd.getName().equalsIgnoreCase("pvdel")) {
+			if(sender instanceof Player) {
+				Player p = (Player) sender;
+				switch(args.length) {
+				case 1:
+					VaultOperations.deleteOwnVault(p, args[0]);
+					break;
+				default:
+					Feedback.showHelp(sender, Feedback.Type.DELETE);
+				}
+			}
+			else sender.sendMessage(pv + "Sorry but that can only be run by a player!");
+		}
+		return true;
+	}
+}

src/com/drtshock/playervaults/commands/Feedback.java

@@ -0,0 +1,39 @@
+package com.drtshock.playervaults.commands;
+
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+
+public class Feedback {
+	public enum Type {
+		OPEN,
+		DELETE,
+		WORKBENCH, //For later versions
+		FURNACE;
+	}
+	static String pv = ChatColor.DARK_RED + "[" + ChatColor.WHITE + "PlayerVaults" + 
+			ChatColor.DARK_RED + "]" + ChatColor.WHITE + ": ";
+	
+	public static void noPerms(CommandSender sender) {
+		sender.sendMessage(pv + "You don't have permission for that!");
+		return;
+	}
+	
+
+	public static void showHelp(CommandSender sender, Type t) {
+		if(t == Type.OPEN) {
+			sender.sendMessage(pv + "/pv <number>");
+			sender.sendMessage(pv + "/pv <player> <number>");
+		}
+		else if(t == Type.DELETE) {
+			sender.sendMessage(pv + "/pvdel <number>");
+			sender.sendMessage(pv + "/pvdel <player> <number>");
+		}
+	}
+	
+	public static void badWorld(Player sender) {
+		sender.sendMessage(pv + "You can't use this in that world!");
+		return;
+	}
+}

src/com/drtshock/playervaults/commands/VaultOperations.java

@@ -0,0 +1,122 @@
+package com.drtshock.playervaults.commands;
+
+import java.io.IOException;
+
+
+import org.bukkit.ChatColor;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import com.drtshock.playervaults.Main;
+import com.drtshock.playervaults.util.VaultManager;
+
+public class VaultOperations {
+
+	private static Main plugin;
+	private static VaultManager vm = new VaultManager(plugin);
+
+	static String pv = ChatColor.DARK_RED + "[" + ChatColor.WHITE + "PlayerVaults" + 
+			ChatColor.DARK_RED + "]" + ChatColor.WHITE + ": ";
+
+	
+	public static boolean checkPerms(CommandSender cs, int number) {
+		if(cs.hasPermission("playervaults.amount."+String.valueOf(number))) return true;
+		for(int x = number; x <= 99;x++) {
+			if(cs.hasPermission("playervaults.amount."+String.valueOf(x))) return true;
+		}
+		return false;
+	}
+	/*
+	 * TODO: Chenge how permissions are checked here.
+	 */
+	public static boolean openOwnVault(Player sender, String arg) {
+		if(allowedWorld(sender)) {
+			if(arg.matches("^[0-9]{1,2}$")) {
+				int number = 0;
+				try {
+					number = Integer.parseInt(arg);
+				}
+				catch(NumberFormatException nfe) {
+					sender.sendMessage(pv+ChatColor.RED+"You need to specify a number!");
+					return false;
+				}
+				if(checkPerms(sender, number)) {
+					vm.loadVault(sender, sender.getName(), number);
+					sender.sendMessage(pv + "Opening vault " + ChatColor.GREEN + number);
+					return true;
+				} else {
+					Feedback.noPerms(sender);
+				}
+			}
+		}
+		else {
+			Feedback.badWorld(sender);
+		}
+		return false;
+	}
+	
+	
+	public static boolean openOtherVault(Player sender, String user, String arg) {
+		if(sender.hasPermission("playervaults.admin")) {
+			if(arg.matches("^[0-9]{1,2}$")) {
+				int number = 0;
+				try {
+					number = Integer.parseInt(arg);
+				}
+				catch(NumberFormatException nfe) {
+					sender.sendMessage(pv+ChatColor.RED+"You need to specify a number!");
+				}
+				vm.loadVault(sender, user, number);
+				sender.sendMessage(pv + "Opening vault " + ChatColor.GREEN + number);
+				return true;
+			}
+			else {
+				Feedback.noPerms(sender);
+			}
+	}
+		return false;
+	}
+	public static void deleteOwnVault(Player sender, String arg) {
+		if(arg.matches("^[0-9]{1,2}$")) {
+			int number = 0;
+			try {
+				number = Integer.parseInt(arg);
+			}
+			catch(NumberFormatException nfe) {
+				sender.sendMessage(pv+ChatColor.RED+"You need to specify a number!");
+			}
+			try {
+				vm.deleteVault(sender, sender.getName(), number);
+			} catch (IOException e) {
+				sender.sendMessage(pv+"There was an error deleting that vault!");
+			}
+		}
+	}
+	public static void deleteOtherVault(Player sender, String user, String arg) {
+		if(sender.hasPermission("playervaults.delete")) {
+			if(arg.matches("^[0-9]{1,2}$")) {
+				int number = 0;
+				try {
+					number = Integer.parseInt(arg);
+				}
+				catch(NumberFormatException nfe) {
+					sender.sendMessage(pv+ChatColor.RED+"You need to specify a number!");
+				}
+				try {
+					vm.deleteVault(sender, user, number);
+				} catch (IOException e) {
+					sender.sendMessage(pv+"There was an error deleting that vault!");
+				}
+			}
+		}
+		else Feedback.noPerms(sender);
+	}
+
+	private static boolean allowedWorld(Player player) {
+		World world = player.getWorld();
+		if(plugin.disabledWorlds().contains(world))
+			return false;
+		return true;
+	}
+}

src/com/drtshock/playervaults/commands/VaultViewInfo.java

@@ -0,0 +1,21 @@
+package com.drtshock.playervaults.commands;
+
+public class VaultViewInfo {
+
+	String s;
+	int i;
+	
+	public VaultViewInfo(String s, int i) {
+		this.s = s;
+		this.i = i;
+	}
+	
+	public String getHolder() {
+		return this.s;
+	}
+	
+	public int getNumber() {
+		return this.i;
+	}
+	
+}

src/com/drtshock/playervaults/util/Metrics.java

@@ -0,0 +1,634 @@
+package com.drtshock.playervaults.util;
+
+/*
+ * Copyright 2011 Tyler Blair. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.configuration.InvalidConfigurationException;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.PluginDescriptionFile;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
+import java.net.Proxy;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLEncoder;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.UUID;
+import java.util.logging.Level;
+
+/**
+ * <p>
+ * 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:
+ * </p>
+ * <code>
+ * Graph createGraph(String name); <br/>
+ * void addCustomData(Metrics.Plotter plotter); <br/>
+ * void start(); <br/>
+ * </code>
+ */
+public class Metrics {
+
+    /**
+     * The current revision number
+     */
+    private final static int REVISION = 5;
+
+    /**
+     * The base url of the metrics domain
+     */
+    private static final String BASE_URL = "http://mcstats.org";
+
+    /**
+     * The url used to report a server's status
+     */
+    private static final String REPORT_URL = "/report/%s";
+
+    /**
+     * 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 static final int PING_INTERVAL = 10;
+
+    /**
+     * The plugin this metrics submits for
+     */
+    private final Plugin plugin;
+
+    /**
+     * All of the custom graphs to submit to 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
+     */
+    private final Graph defaultGraph = new Graph("Default");
+
+    /**
+     * The plugin configuration file
+     */
+    private final YamlConfiguration configuration;
+    
+    /**
+     * The plugin configuration file
+     */
+    private final File configurationFile;
+
+    /**
+     * Unique server id
+     */
+    private final String guid;
+
+    /**
+     * 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");
+        }
+
+        this.plugin = plugin;
+
+        // load the config
+        configurationFile = getConfigFile();
+        configuration = YamlConfiguration.loadConfiguration(configurationFile);
+
+        // add some defaults
+        configuration.addDefault("opt-out", false);
+        configuration.addDefault("guid", UUID.randomUUID().toString());
+
+        // Do we need to create the file?
+        if (configuration.get("guid", null) == null) {
+            configuration.options().header("http://mcstats.org").copyDefaults(true);
+            configuration.save(configurationFile);
+        }
+
+        // Load the guid then
+        guid = configuration.getString("guid");
+    }
+
+    /**
+     * 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 The name of the graph
+     * @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
+     */
+    public Graph createGraph(final String name) {
+        if (name == null) {
+            throw new IllegalArgumentException("Graph name cannot be null");
+        }
+
+        // Construct the graph object
+        final Graph graph = new Graph(name);
+
+        // Now we can add our graph
+        graphs.add(graph);
+
+        // and return back
+        return graph;
+    }
+
+    /**
+     * Add a Graph object to Metrics that represents data for the plugin that should be sent to the backend
+     *
+     * @param graph The name of the graph
+     */
+    public void addGraph(final Graph graph) {
+        if (graph == null) {
+            throw new IllegalArgumentException("Graph cannot be null");
+        }
+
+        graphs.add(graph);
+    }
+
+    /**
+     * Adds a custom data plotter to the default graph
+     *
+     * @param plotter The plotter to use to plot custom data
+     */
+    public void addCustomData(final Plotter plotter) {
+        if (plotter == null) {
+            throw new IllegalArgumentException("Plotter cannot be null");
+        }
+
+        // Add the plotter to the graph o/
+        defaultGraph.addPlotter(plotter);
+
+        // Ensure the default graph is included in the submitted graphs
+        graphs.add(defaultGraph);
+    }
+
+    /**
+     * 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.
+     */
+    @SuppressWarnings("deprecation")
+	public boolean start() {
+        synchronized (optOutLock) {
+            // Did we opt out?
+            if (isOptOut()) {
+                return false;
+            }
+
+            // Is metrics already running?
+            if (taskId >= 0) {
+                return true;
+            }
+
+            // Begin hitting the server with glorious data
+            taskId = plugin.getServer().getScheduler().scheduleAsyncRepeatingTask(plugin, new Runnable() {
+
+                private boolean firstPost = true;
+
+                public void run() {
+                    try {
+                        // 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;
+                                // Tell all plotters to stop gathering information.
+                                for (Graph graph : graphs){
+                                    graph.onOptOut();
+                                }
+                            }
+                        }
+
+                        // 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
+                        // Each post thereafter will be a ping
+                        firstPost = false;
+                    } catch (IOException e) {
+                        Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
+                    }
+                }
+            }, 0, PING_INTERVAL * 1200);
+
+            return true;
+        }
+    }
+
+    /**
+     * Has the server owner denied plugin metrics?
+     *
+     * @return true if metrics should be opted out of it
+     */
+    public boolean isOptOut() {
+        synchronized(optOutLock) {
+            try {
+                // Reload the metrics file
+                configuration.load(getConfigFile());
+            } catch (IOException ex) {
+                Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
+                return true;
+            } catch (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;
+            }
+        }
+    }
+
+    /**
+     * Gets the File object of the config file that should be used to store data such as the GUID and opt-out status
+     *
+     * @return the File object for the config file
+     */
+    public File getConfigFile() {
+        // I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use
+        // is to abuse the plugin object we already have
+        // plugin.getDataFolder() => base/plugins/PluginA/
+        // pluginsFolder => base/plugins/
+        // The base is not necessarily relative to the startup directory.
+        File pluginsFolder = plugin.getDataFolder().getParentFile();
+
+        // return => base/plugins/PluginMetrics/config.yml
+        return new File(new File(pluginsFolder, "PluginMetrics"), "config.yml");
+    }
+
+    /**
+     * Generic method that posts a plugin to the metrics website
+     */
+    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
+        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) {
+            encodeDataPair(data, "ping", "true");
+        }
+
+        // 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) {
+            final Iterator<Graph> iter = graphs.iterator();
+
+            while (iter.hasNext()) {
+                final Graph graph = iter.next();
+
+                for (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
+                    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
+                    // value of plotter.getValue()
+                    final String value = Integer.toString(plotter.getValue());
+
+                    // Add it to the http post data :)
+                    encodeDataPair(data, key, value);
+                }
+            }
+        }
+
+        // Create the url
+        URL url = new URL(BASE_URL + String.format(REPORT_URL, encode(plugin.getDescription().getName())));
+
+        // Connect to the website
+        URLConnection connection;
+
+        // Mineshafter creates a socks proxy, so we can safely bypass it
+        // It does not reroute POST requests so we need to go around it
+        if (isMineshafterPresent()) {
+            connection = url.openConnection(Proxy.NO_PROXY);
+        } else {
+            connection = url.openConnection();
+        }
+
+        connection.setDoOutput(true);
+
+        // Write the data
+        final OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
+        writer.write(data.toString());
+        writer.flush();
+
+        // Now read the response
+        final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+        final String response = reader.readLine();
+
+        // close resources
+        writer.close();
+        reader.close();
+
+        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) {
+                    final Iterator<Graph> iter = graphs.iterator();
+
+                    while (iter.hasNext()) {
+                        final Graph graph = iter.next();
+
+                        for (Plotter plotter : graph.getPlotters()) {
+                            plotter.reset();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Check if mineshafter is present. If it is, we need to bypass it to send POST requests
+     *
+     * @return true if mineshafter is installed on the server
+     */
+    private boolean isMineshafterPresent() {
+        try {
+            Class.forName("mineshafter.MineServer");
+            return true;
+        } catch (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>
+     * <code>
+     * StringBuffer data = new StringBuffer();
+     * data.append(encode("guid")).append('=').append(encode(guid));
+     * encodeDataPair(data, "version", description.getVersion());
+     * </code>
+     *
+     * @param buffer the stringbuilder to append the data pair onto
+     * @param key the key value
+     * @param value the 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));
+    }
+
+    /**
+     * Encode text as UTF-8
+     *
+     * @param text the text to encode
+     * @return the encoded text, as UTF-8
+     */
+    private static String encode(final String text) throws UnsupportedEncodingException {
+        return URLEncoder.encode(text, "UTF-8");
+    }
+
+    /**
+     * Represents a custom graph on the website
+     */
+    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
+         */
+        private final String name;
+
+        /**
+         * The set of plotters that are contained within this graph
+         */
+        private final Set<Plotter> plotters = new LinkedHashSet<Plotter>();
+
+        private Graph(final String name) {
+            this.name = name;
+        }
+
+        /**
+         * Gets the graph's name
+         *
+         * @return the Graph's name
+         */
+        public String getName() {
+            return name;
+        }
+
+        /**
+         * Add a plotter to the graph, which will be used to plot entries
+         *
+         * @param plotter the plotter to add to the graph
+         */
+        public void addPlotter(final Plotter plotter) {
+            plotters.add(plotter);
+        }
+
+        /**
+         * Remove a plotter from the graph
+         *
+         * @param plotter the plotter to remove from the graph
+         */
+        public void removePlotter(final Plotter plotter) {
+            plotters.remove(plotter);
+        }
+
+        /**
+         * Gets an <b>unmodifiable</b> set of the plotter objects in the graph
+         *
+         * @return an unmodifiable {@link Set} of the plotter objects
+         */
+        public Set<Plotter> getPlotters() {
+            return Collections.unmodifiableSet(plotters);
+        }
+
+        @Override
+        public int hashCode() {
+            return name.hashCode();
+        }
+
+        @Override
+        public boolean equals(final Object object) {
+            if (!(object instanceof Graph)) {
+                return false;
+            }
+
+            final Graph graph = (Graph) object;
+            return graph.name.equals(name);
+        }
+
+        /**
+         * Called when the server owner decides to opt-out of Metrics while the server is running.
+         */
+        protected void onOptOut() {
+        }
+
+    }
+
+    /**
+     * Interface used to collect custom data for a plugin
+     */
+    public static abstract class Plotter {
+
+        /**
+         * The plot's name
+         */
+        private final String name;
+
+        /**
+         * Construct a plotter with the default plot name
+         */
+        public Plotter() {
+            this("Default");
+        }
+
+        /**
+         * Construct a plotter with a specific plot name
+         *
+         * @param name the name of the plotter to use, which will show up on the website
+         */
+        public Plotter(final String name) {
+            this.name = name;
+        }
+
+        /**
+         * Get the current value for the plotted point. Since this function defers to an external function
+         * it may or may not return immediately thus cannot be guaranteed to be thread friendly or safe.
+         * This function can be called from any thread so care should be taken when accessing resources
+         * that need to be synchronized.
+         *
+         * @return the current value for the point to be plotted.
+         */
+        public abstract int getValue();
+
+        /**
+         * Get the column name for the plotted point
+         *
+         * @return the plotted point's column name
+         */
+        public String getColumnName() {
+            return name;
+        }
+
+        /**
+         * Called after the website graphs have been updated
+         */
+        public void reset() {
+        }
+
+        @Override
+        public int hashCode() {
+            return getColumnName().hashCode();
+        }
+
+        @Override
+        public boolean equals(final Object object) {
+            if (!(object instanceof Plotter)) {
+                return false;
+            }
+
+            final Plotter plotter = (Plotter) object;
+            return plotter.name.equals(name) && plotter.getValue() == getValue();
+        }
+
+    }
+
+}
+

src/com/drtshock/playervaults/util/Serialization.java

@@ -0,0 +1,69 @@
+package com.drtshock.playervaults.util;
+ 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+
+import net.minecraft.server.v1_4_R1.NBTBase;
+import net.minecraft.server.v1_4_R1.NBTTagCompound;
+import net.minecraft.server.v1_4_R1.NBTTagList;
+
+import org.bukkit.ChatColor;
+import org.bukkit.craftbukkit.v1_4_R1.inventory.CraftInventoryCustom;
+import org.bukkit.craftbukkit.v1_4_R1.inventory.CraftItemStack;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.yaml.snakeyaml.external.biz.base64Coder.Base64Coder;
+ 
+public class Serialization {
+	
+    public static String toBase64(Inventory inventory) {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        DataOutputStream dataOutput = new DataOutputStream(outputStream);
+        NBTTagList itemList = new NBTTagList();
+        
+        // Save every element in the list
+        for (int i = 0; i < inventory.getSize(); i++) {
+            NBTTagCompound outputObject = new NBTTagCompound();
+            CraftItemStack craft = getCraftVersion(inventory.getItem(i));
+            
+            // Convert the item stack to a NBT compound
+            if (craft != null) 
+                CraftItemStack.asNMSCopy(craft).save(outputObject);
+            itemList.add(outputObject);
+        }
+ 
+        // Now save the list
+        NBTBase.a(itemList, dataOutput);
+ 
+        // Serialize that array
+        return Base64Coder.encodeLines(outputStream.toByteArray());
+    }
+    
+    public static Inventory fromBase64(String data) {
+        ByteArrayInputStream inputStream = new ByteArrayInputStream(Base64Coder.decodeLines(data));
+        NBTTagList itemList = (NBTTagList) NBTBase.b(new DataInputStream(inputStream));
+        Inventory inventory = new CraftInventoryCustom(null, itemList.size(), ChatColor.DARK_RED + "Vault");
+ 
+        for (int i = 0; i < itemList.size(); i++) {
+            NBTTagCompound inputObject = (NBTTagCompound) itemList.get(i);
+            
+            if (!inputObject.isEmpty()) {
+                inventory.setItem(i, CraftItemStack.asCraftMirror(net.minecraft.server.v1_4_R1.ItemStack.createStack(inputObject)));
+            }
+        }
+        
+        // Serialize that array
+        return inventory;
+    }
+    
+    private static CraftItemStack getCraftVersion(ItemStack stack) {
+        if (stack instanceof CraftItemStack)
+            return (CraftItemStack) stack;
+        else if (stack != null)
+            return CraftItemStack.asCraftCopy(stack);
+        else
+            return null;
+    }
+}

src/com/drtshock/playervaults/util/Updater.java

@@ -0,0 +1,55 @@
+package com.drtshock.playervaults.util;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.net.UnknownHostException;
+
+import com.drtshock.playervaults.Main;
+
+
+
+public class Updater extends Main {
+	
+	String newVersion = "";
+	
+	public String getNewVersion() {
+		return this.newVersion;
+	}
+	public boolean getUpdate() throws Exception {
+		String version = getDescription().getVersion();
+		URL url = new URL("http://dev.bukkit.org/server-mods/playervaults/files.rss");
+		InputStreamReader isr = null;
+		try {
+			isr = new InputStreamReader(url.openStream());
+		}
+		catch(UnknownHostException e) {
+			return false; //Cannot connect
+		}
+		BufferedReader in = new BufferedReader(isr);
+		String line;
+		int lineNum = 0;
+		while((line = in.readLine()) != null) {
+			if(line.length() != line.replace("<title>", "").length()) {
+				line = line.replaceAll("<title>", "").replaceAll("</title>", "").replaceAll("	", "").substring(1); //Substring 1 for me, takes off the beginning v on my file name "v1.3.2"
+				if(lineNum == 1) {
+					this.newVersion = line;
+					Integer newVer = Integer.parseInt(line.replace(".", ""));
+					Integer oldVer = Integer.parseInt(version.replace(".", ""));
+					if(oldVer < newVer) {
+						return true; //They are using an old version
+					}
+					else if(oldVer > newVer) {
+						return false; //They are using a FUTURE version!
+					}
+					else {
+							return false; //They are up to date!
+					}
+				}
+				lineNum = lineNum + 1;
+			}
+		}
+		in.close();
+		return false;
+	}
+}

src/com/drtshock/playervaults/util/VaultManager.java

@@ -0,0 +1,97 @@
+package com.drtshock.playervaults.util;
+
+import java.io.File;
+import java.io.IOException;
+
+
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.Inventory;
+
+import com.drtshock.playervaults.Main;
+
+public class VaultManager {
+
+	public Main plugin;
+	public VaultManager(Main instance) {
+		this.plugin = instance;
+	}
+	
+	String title;
+	private final String directory = "plugins" + File.separator + "PlayerVaults" + File.separator + "vaults";
+
+	/**
+	 * Method to save player's vault.
+	 * Serialize his inventory.
+	 * Save the vaults.yml
+	 * @param player
+	 * @throws IOException 
+	 */
+	public void saveVault(Inventory inv, String player, int number) throws IOException {
+			// Get the player's file and serialize the inventory.
+			String ser = Serialization.toBase64(inv);
+			YamlConfiguration yaml = playerVaultFile(player);
+			yaml.set("vault" + number + "", ser);
+			saveFile(player, yaml);
+	}
+
+	/**
+	 * Method to load player's vault.
+	 * Deserialize his inventory
+	 * 
+	 * TODO: Check to see if the path exists before we get it!
+	 */
+	public void loadVault(Player sender, String holder, int number) {
+		YamlConfiguration playerFile = playerVaultFile(holder);
+		String data = playerFile.getString("vault"+number);
+		Player player = (Player) sender;
+		if(data == null) {
+			Inventory inv = Bukkit.createInventory(player, 54, ChatColor.DARK_RED + "Vault #"+String.valueOf(number));
+			player.openInventory(inv);
+		} else {
+			Inventory inv = Serialization.fromBase64(data);
+			player.openInventory(inv);
+		}
+	}
+
+	public void deleteVault(Player sender, String target, int number) throws IOException {
+		String name = target.toLowerCase();
+		File file = new File(directory + name + ".yml");
+		FileConfiguration playerFile = YamlConfiguration.loadConfiguration(file);
+		if(file.exists()) {
+			ConfigurationSection section = playerFile.getConfigurationSection("vault" + number);
+			section.set(null, null);
+			sender.sendMessage(title + "Deleting " + ChatColor.GREEN + " " + number);
+			playerFile.save(file);
+		}
+		else {
+			sender.sendMessage(title + " That doesn't exist!");
+		}
+	}
+
+	public YamlConfiguration playerVaultFile(String player) {
+		File folder = new File(directory);
+		if(!folder.exists()) {
+			folder.mkdir();
+		}
+		File file = new File(directory + File.separator + player.toLowerCase() + ".yml");
+		if(!file.exists()) {
+			try {
+				file.createNewFile();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+		YamlConfiguration playerFile = YamlConfiguration.loadConfiguration(file);
+		return playerFile;
+	}
+	
+	public void saveFile(String name, YamlConfiguration yaml) throws IOException {
+		File file = new File(directory + File.separator + name.toLowerCase() + ".yml");
+		yaml.save(file);
+	}
+}