80 lines
1.9 KiB
Java
80 lines
1.9 KiB
Java
/*
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* Copyright (C) 2004-2015 L2J Server
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*
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* This file is part of L2J Server.
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*
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* L2J Server is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* L2J Server is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jserver.gameserver.handler;
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import java.util.HashMap;
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import java.util.Map;
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import com.l2jserver.gameserver.enums.InstanceType;
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/**
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* @author UnAfraid
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*/
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public class ActionHandler implements IHandler<IActionHandler, InstanceType>
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{
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private final Map<InstanceType, IActionHandler> _actions;
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public static ActionHandler getInstance()
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{
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return SingletonHolder._instance;
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}
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protected ActionHandler()
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{
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_actions = new HashMap<>();
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}
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@Override
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public void registerHandler(IActionHandler handler)
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{
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_actions.put(handler.getInstanceType(), handler);
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}
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@Override
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public synchronized void removeHandler(IActionHandler handler)
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{
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_actions.remove(handler.getInstanceType());
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}
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@Override
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public IActionHandler getHandler(InstanceType iType)
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{
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IActionHandler result = null;
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for (InstanceType t = iType; t != null; t = t.getParent())
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{
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result = _actions.get(t);
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if (result != null)
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{
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break;
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}
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}
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return result;
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}
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@Override
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public int size()
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{
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return _actions.size();
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}
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private static class SingletonHolder
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{
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protected static final ActionHandler _instance = new ActionHandler();
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}
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} |