processorrouter.java

MilyQQ是一个使用控制台的QQ客户端,基于LumaQQ的核心JQL包开发,只有一个可执行的jar包(MilyQQ.jar),携带方便,由于是Java程序,因此理论上应该可以运行于所有平台,不过基于

/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma <[e-mail]>
*                    notXX
*
* 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 edu.tsinghua.lumaqq.qq;

/*
import edu.tsinghua.lumaqq.qq.events.IPacketListener;
import edu.tsinghua.lumaqq.qq.events.PacketEvent;
import edu.tsinghua.lumaqq.qq.packets.InPacket;
*/
/**
 * 包处理器路由器，一个处理器可以声明处理具有某种包头的包。
 * 一种类型的包可以有多个处理器
 *
 * @author luma
 */
class ProcessorRouter {
    private IPacketListener[] listeners;
    private int count;

    public ProcessorRouter(int capacity) {
        listeners = new IPacketListener[capacity];
        count = 0;
    }

    /**
     * 装载包处理器
     *
     * @param listener
     */
    public void installProcessor(IPacketListener listener) {
        listeners[count++] = listener;
    }

    /**
     * 包到达时，QQClient调用此方法
     *
     * @param e
     */
    public void packetArrived(PacketEvent e) {
        byte header = ((InPacket)e.getSource()).getHeader();
        for(int i = 0; i < count; i++) {
            if(listeners[i].accept(header))
                listeners[i].packetArrived(e);
        }
    }
}