Added missing class.

This commit is contained in:
sk89q 2010-11-05 17:56:05 -07:00
parent 97a49d4492
commit eb909f3340

130
src/WorldEditBridge.java Normal file
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// $Id$
/*
* WorldEdit
* Copyright (C) 2010 sk89q <http://www.sk89q.com>
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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/>.
*/
import java.lang.reflect.*;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldEditNotInstalled;
import com.sk89q.worldedit.IncompleteRegionException;
/**
* Class to access WorldEdit from another plugin.
*
* @author sk89q
*/
public class WorldEditBridge {
/**
* Invokes an object's method through reflection.
*
* @param obj
* @param name
* @param args
* @param types
* @return
* @throws InvocationTargetException
* @throws IllegalAccessException
* @throws NoSuchMethodException
*/
private static Object invokeMethod(Object obj, String name, Object[] args,
Class ... types) throws InvocationTargetException, IllegalAccessException,
NoSuchMethodException {
Method method = obj.getClass().getDeclaredMethod(name, types);
return method.invoke(obj, args);
}
/**
* Invokes a method through reflection.
*
* @param obj
* @param name
* @return
* @throws InvocationTargetException
* @throws IllegalAccessException
* @throws NoSuchMethodException
*/
private static Object invokeMethod(Object obj, String name)
throws InvocationTargetException, IllegalAccessException, NoSuchMethodException {
Method method = obj.getClass().getDeclaredMethod(name, new Class[]{});
return method.invoke(obj, new Object[]{});
}
/**
* Get a point from the currently selected region.
*
* @param player
* @param methodName
* @return
* @throws WorldEditNotInstalled
* @throws IncompleteRegionException
*/
private static Vector getRegionPoint(Player player, String methodName)
throws WorldEditNotInstalled, IncompleteRegionException {
Plugin plugin = etc.getLoader().getPlugin("WorldEdit");
if (plugin == null) {
throw new WorldEditNotInstalled();
}
try {
Object listener = invokeMethod(plugin, "getListener");
Object session = invokeMethod(listener, "_bridgeSession",
new Object[]{ player }, Player.class);
Object region = invokeMethod(session, "getRegion");
Object minPoint = invokeMethod(region, methodName);
int x = (Integer)invokeMethod(minPoint, "getBlockX");
int y = (Integer)invokeMethod(minPoint, "getBlockY");
int z = (Integer)invokeMethod(minPoint, "getBlockZ");
return new Vector(x, y, z);
} catch (InvocationTargetException e) {
String exceptionName = e.getTargetException().getClass().getCanonicalName();
if (exceptionName.equals("com.sk89q.worldedit.IncompleteRegionException")) {
throw new IncompleteRegionException();
}
throw new WorldEditNotInstalled();
} catch (IllegalAccessException e) {
throw new WorldEditNotInstalled();
} catch (NoSuchMethodException e) {
throw new WorldEditNotInstalled();
}
}
/**
* Get the selection minimum point.
*
* @param player
* @return
* @throws WorldEditNotInstalled
* @throws IncompleteRegionException
*/
public static Vector getRegionMinimumPoint(Player player)
throws WorldEditNotInstalled, IncompleteRegionException {
return getRegionPoint(player, "getMinimumPoint");
}
/**
* Get the selection maximum point.
*
* @param player
* @return
* @throws WorldEditNotInstalled
* @throws IncompleteRegionException
*/
public static Vector getRegionMaximumPoint(Player player)
throws WorldEditNotInstalled, IncompleteRegionException {
return getRegionPoint(player, "getMaximumPoint");
}
}