Add Essentials extra and KittyCannon as a demo.

EssentialsExtra/src/net/ess3/extra/EssentialsExtra.java

@@ -0,0 +1,56 @@
+package net.ess3.extra;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.logging.Level;
+import net.ess3.api.ICommandHandler;
+import net.ess3.api.IEssentials;
+import net.ess3.bukkit.BukkitPlugin;
+import net.ess3.commands.EssentialsCommandHandler;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.plugin.java.JavaPlugin;
+
+
+public class EssentialsExtra extends JavaPlugin
+{
+	private IEssentials ess;
+	private ICommandHandler handler;
+	private ClassLoader loader;
+
+	@Override
+	public void onLoad()
+	{
+		ess = ((BukkitPlugin)getServer().getPluginManager().getPlugin("Essentials-3")).getEssentials();
+	}
+
+	@Override
+	public void onEnable()
+	{
+		handler = new EssentialsCommandHandler(loader, "Command", "essentials.", ess);
+		File commandDir = new File(ess.getPlugin().getDataFolder(), "extras");
+		commandDir.mkdir();
+		URL[] urls = null;
+		try
+		{
+			urls = new URL[]
+			{
+				commandDir.toURI().toURL()
+			};
+		}
+		catch (MalformedURLException ex)
+		{
+			getLogger().log(Level.SEVERE, "Could not get extra command dir", ex);
+			getServer().getPluginManager().disablePlugin(this);
+		}
+		loader = new URLClassLoader(urls, getClassLoader());
+	}
+
+	@Override
+	public boolean onCommand(CommandSender sender, Command command, String label, String[] args)
+	{
+		return handler.handleCommand(sender, command, label, args);
+	}
+}