LWCPlugin.java

/*
 * 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.
 */

package com.griefcraft.lwc;

import com.griefcraft.bukkit.ArmorStandListener;
import com.griefcraft.bukkit.FurnitureAPI;
import com.griefcraft.bukkit.HopperNMS;
import com.griefcraft.bukkit.NMS;
import com.griefcraft.bukkit.StorageNMS;
import com.griefcraft.listeners.LWCBlockListener;
import com.griefcraft.listeners.LWCEntityListener;
import com.griefcraft.listeners.LWCPlayerListener;
import com.griefcraft.listeners.LWCServerListener;
import com.griefcraft.scripting.event.LWCCommandEvent;
import com.griefcraft.sql.Database;
import com.griefcraft.util.StringUtil;
import com.griefcraft.util.Updater;
import com.griefcraft.util.locale.LWCResourceBundle;
import com.griefcraft.util.locale.LocaleClassLoader;
import com.griefcraft.util.locale.UTF8Control;

import org.bukkit.Bukkit;
import org.bukkit.Server;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
import java.util.jar.JarFile;

public class LWCPlugin extends JavaPlugin {

	/**
	 * The LWC instance
	 */
	private LWC lwc;

	/**
	 * The message parser to parse messages with
	 */
	private MessageParser messageParser;

	/**
	 * LWC updater
	 */
	private Updater updater;

	@Override
	public boolean onCommand(CommandSender sender, Command command,
			String commandLabel, String[] args) {
		String commandName = command.getName().toLowerCase();
		String argString = StringUtil.join(args, 0);
		boolean isPlayer = (sender instanceof Player); // check if they're a
														// player

		// these can only apply to players, not the console (who has absolute
		// player :P)
		if (isPlayer) {
			// Aliases
			String aliasCommand = null;
			String[] aliasArgs = new String[0];

			if (commandName.equals("cpublic")) {
				aliasCommand = "create";
				aliasArgs = new String[] { "public" };
			} else if (commandName.equals("cpassword")) {
				aliasCommand = "create";
				aliasArgs = ("password " + argString).split(" ");
			} else if (commandName.equals("cprivate")
					|| commandName.equals("lock")) {
				aliasCommand = "create";
				aliasArgs = ("private " + argString).split(" ");
			} else if (commandName.equals("cdonation")) {
				aliasCommand = "create";
				aliasArgs = ("donation " + argString).split(" ");
			} else if (commandName.equals("cmodify")) {
				aliasCommand = "modify";
				aliasArgs = argString.isEmpty() ? new String[0] : argString
						.split(" ");
			} else if (commandName.equals("cinfo")) {
				aliasCommand = "info";
			} else if (commandName.equals("cunlock")) {
				aliasCommand = "unlock";
				aliasArgs = argString.isEmpty() ? new String[0] : argString
						.split(" ");
			} else if (commandName.equals("cremove")
					|| commandName.equals("unlock")) {
				aliasCommand = "remove";
				aliasArgs = new String[] { "protection" };
			} else if (commandName.equals("climits")) {
				aliasCommand = "limits";
				aliasArgs = argString.isEmpty() ? new String[0] : argString
						.split(" ");
			} else if (commandName.equals("cadmin")) {
				aliasCommand = "admin";
				aliasArgs = argString.isEmpty() ? new String[0] : argString
						.split(" ");
			} else if (commandName.equals("cremoveall")) {
				aliasCommand = "remove";
				aliasArgs = new String[] { "allprotections" };
			}

			// Flag aliases
			if (commandName.equals("credstone")) {
				aliasCommand = "flag";
				aliasArgs = ("redstone " + argString).split(" ");
			} else if (commandName.equals("cmagnet")) {
				aliasCommand = "flag";
				aliasArgs = ("magnet " + argString).split(" ");
			} else if (commandName.equals("cexempt")) {
				aliasCommand = "flag";
				aliasArgs = ("exemption " + argString).split(" ");
			} else if (commandName.equals("cautoclose")) {
				aliasCommand = "flag";
				aliasArgs = ("autoclose " + argString).split(" ");
			} else if (commandName.equals("callowexplosions")
					|| commandName.equals("ctnt")) {
				aliasCommand = "flag";
				aliasArgs = ("allowexplosions " + argString).split(" ");
			} else if (commandName.equals("chopper")) {
				aliasCommand = "flag";
				aliasArgs = ("hopper " + argString).split(" ");
			}

			// Mode aliases
			if (commandName.equals("cdroptransfer")) {
				aliasCommand = "mode";
				aliasArgs = ("droptransfer " + argString).split(" ");
			} else if (commandName.equals("cpersist")) {
				aliasCommand = "mode";
				aliasArgs = ("persist " + argString).split(" ");
			} else if (commandName.equals("cnospam")) {
				aliasCommand = "mode";
				aliasArgs = ("nospam " + argString).split(" ");
			}

			if (aliasCommand != null) {
				lwc.getModuleLoader().dispatchEvent(
						new LWCCommandEvent(sender, aliasCommand, aliasArgs));
				return true;
			}
		}

		if (args.length == 0) {
			lwc.sendFullHelp(sender);
			return true;
		}

		// /// Dispatch command to modules
		LWCCommandEvent evt = new LWCCommandEvent(sender,
				args[0].toLowerCase(), args.length > 1 ? StringUtil.join(args,
						1).split(" ") : new String[0]);
		lwc.getModuleLoader().dispatchEvent(evt);

		if (evt.isCancelled()) {
			return true;
		}

		if (!isPlayer) {
			lwc.sendLocale(sender, "lwc.commandnotsupported");
			return true;
		}

		return false;
	}

	public void onDisable() {
		LWC.ENABLED = false;

		if (lwc != null) {
			lwc.destruct();
		}

		// cancel all tasks we created
		getServer().getScheduler().cancelTasks(this);
	}

	public static HopperNMS nms1;
	public static StorageNMS nms2;
	public static NMS nms;

	@Override
	public void onEnable() {
		preload();
		lwc = new LWC(this);

		LWCInfo.setVersion(getDescription().getVersion());
		LWC.ENABLED = true;

		loadLocales();
		loadDatabase();

		// Load the rest of LWC
		lwc.load();
		Init(this.getServer(), null);
		registerEvents();
	}

	/**
	 * Load the database
	 */
	public void loadDatabase() {
		String database = lwc.getConfiguration().getString("database.adapter");

		if (database.equalsIgnoreCase("mysql")) {
			Database.DefaultType = Database.Type.MySQL;
		} else {
			Database.DefaultType = Database.Type.SQLite;
		}
	}

	/**
	 * Load LWC localizations
	 */
	@SuppressWarnings("resource")
	public void loadLocales() {
		LWCResourceBundle locale;
		String localization = getCurrentLocale();

		// located in plugins/LWC/locale/, values in that overrides the ones in
		// the default :-)
		ResourceBundle optionalBundle = null;

		try {
			ResourceBundle defaultBundle;

			// Open the LWC jar file
			JarFile file = new JarFile(getFile());

			// Attempt to load the default locale
			defaultBundle = new PropertyResourceBundle(new InputStreamReader(
					file.getInputStream(file
							.getJarEntry("lang/lwc_en.properties")), "UTF-8"));
			locale = new LWCResourceBundle(defaultBundle);

			try {
				optionalBundle = ResourceBundle.getBundle("lwc", new Locale(
						localization), new LocaleClassLoader(),
						new UTF8Control());
			} catch (MissingResourceException e) {
			}

			if (optionalBundle != null) {
				locale.addExtensionBundle(optionalBundle);
			}

			// and now check if a bundled locale the same as the server's locale
			// exists
			try {
				optionalBundle = new PropertyResourceBundle(
						new InputStreamReader(file.getInputStream(file
								.getJarEntry("lang/lwc_" + localization
										+ ".properties")), "UTF-8"));
			} catch (MissingResourceException e) {
			} catch (NullPointerException e) {
				// file wasn't found :p - that's ok
			}

			// ensure both bundles aren't the same
			if (defaultBundle == optionalBundle) {
				optionalBundle = null;
			}

			if (optionalBundle != null) {
				locale.addExtensionBundle(optionalBundle);
			}
		} catch (MissingResourceException e) {
			log("We are missing the default locale in LWC.jar.. What happened to it? :-(");
			throw e;
		} catch (IOException e) {
			log("Uh-oh: " + e.getMessage());
			return;
		}

		// create the message parser
		messageParser = new SimpleMessageParser(locale);
	}

	/**
	 * Load shared libraries and other misc things
	 */
	private void preload() {
		updater = new Updater();
		// Set the SQLite native library path
		String nativeLibraryFolder = updater.getOSSpecificFolder();

		if (nativeLibraryFolder != null) {
			System.setProperty("org.sqlite.lib.path", nativeLibraryFolder);
		}
	}

	/**
	 * Log a string to the console
	 *
	 * @param str
	 */
	private void log(String str) {
		getLogger().info(str);
	}

	/**
	 * Register all of the events used by LWC
	 */
	private void registerEvents() {
		String packageName = this.getServer().getClass().getPackage().getName();
		String version = packageName
				.substring(packageName.lastIndexOf('.') + 1);
		PluginManager pluginManager = Bukkit.getServer().getPluginManager();
		pluginManager.registerEvents(new LWCPlayerListener(this), this);
		pluginManager.registerEvents(new LWCEntityListener(this), this);
		pluginManager.registerEvents(new LWCBlockListener(this), this);
		pluginManager.registerEvents(new LWCServerListener(this), this);
		if (version.startsWith("v1_8") || version.startsWith("v1_9")) {
			pluginManager.registerEvents(new ArmorStandListener(), this);
		}
		Plugin[] flib = pluginManager.getPlugins();
		for (Plugin p : flib) {
			if (p.getDescription().getName().equalsIgnoreCase("FurnitureLib")) {
				pluginManager.registerEvents(new FurnitureAPI(), this);
				System.out.println("[LWC] " + "Loaded FurnitureLib!!!");
			}
		}

	}

	/**
	 * @return the current locale in use
	 */
	public String getCurrentLocale() {
		return lwc.getConfiguration().getString("core.locale", "en");
	}

	/**
	 * @return the LWC instance
	 */
	public LWC getLWC() {
		return lwc;
	}

	/**
	 * Gets the message parser
	 * 
	 * @return
	 */
	public MessageParser getMessageParser() {
		return messageParser;
	}

	/**
	 * @return the Updater instance
	 */
	public Updater getUpdater() {
		return updater;
	}

	@Override
	public File getFile() {
		return super.getFile();
	}

	private Object Init(Server server, Entity entity) {
		String packageName = server.getClass().getPackage().getName();
		// Get full package string of CraftServer.
		// org.bukkit.craftbukkit.version
		String version = packageName
				.substring(packageName.lastIndexOf('.') + 1);
		// Get the last element of the package

		try {
			Class<?> clazz = Class.forName("com.griefcraft.bukkit." + version
					+ ".EntityBlock");
			Class<?> clazz1 = Class.forName("com.griefcraft.bukkit." + version
					+ ".HopperMinecartBlock");
			Class<?> clazz2 = Class.forName("com.griefcraft.bukkit." + version
					+ ".StoreageMinecartBlock");
			if (NMS.class.isAssignableFrom(clazz)) {
				nms = (NMS) clazz.getConstructor(Entity.class).newInstance(
						entity);
				return nms;
			}
			if (HopperNMS.class.isAssignableFrom(clazz1)) {
				nms1 = (HopperNMS) clazz1.getConstructor(Entity.class)
						.newInstance(entity);
				return nms1;
			}
			if (StorageNMS.class.isAssignableFrom(clazz2)) {
				nms2 = (StorageNMS) clazz2.getConstructor(Entity.class)
						.newInstance(entity);
				return nms2;
			}
		} catch (final Exception e) {
			e.printStackTrace();
		}
		return null;
	}

}