/* * ProtocolLib - Bukkit server library that allows access to the Minecraft protocol. * Copyright (C) 2012 Kristian S. Stangeland * * 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA */ package com.comphenix.protocol.injector.player; import java.util.Collection; import java.util.List; import com.google.common.base.Objects; import com.google.common.collect.BiMap; import com.google.common.collect.ForwardingList; import com.google.common.collect.HashBiMap; /** * Represents an array list that wraps another list, while automatically replacing one element with another. *
* The replaced elements can be recovered.
*
* @author Kristian
* @param
* This automatically replaces every existing element.
* @param target - instance to find.
* @param replacement - instance to replace with.
*/
public synchronized void addMapping(TKey target, TKey replacement) {
replaceMap.put(target, replacement);
// Replace existing elements
replaceAll(target, replacement);
}
/**
* Revert the given mapping.
* @param target - the instance we replaced.
*/
public synchronized void removeMapping(TKey target) {
// Make sure the mapping exist
if (replaceMap.containsKey(target)) {
TKey replacement = replaceMap.get(target);
replaceMap.remove(target);
// Revert existing elements
replaceAll(replacement, target);
}
}
/**
* Replace all instances of the given object.
* @param find - object to find.
* @param replace - object to replace it with.
*/
public synchronized void replaceAll(TKey find, TKey replace) {
for (int i = 0; i < underlyingList.size(); i++) {
if (Objects.equal(underlyingList.get(i), find)) {
onReplacing(find, replace);
underlyingList.set(i, replace);
}
}
}
/**
* Undo all replacements.
*/
public synchronized void revertAll() {
// No need to do anything else
if (replaceMap.size() < 1)
return;
BiMap