uploadgroupfriendpacket.java

很多人都在开发的QQ代码

/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma <[e-mail]>
*
* 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.packets.out;

import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;

import edu.tsinghua.lumaqq.qq.PacketParseException;
import edu.tsinghua.lumaqq.qq.QQ;
import edu.tsinghua.lumaqq.qq.packets.OutPacket;

/**
 * <pre>
 * 上传分组中好友列表的消息包，格式为
 * 1. 头部
 * 2. 好友的QQ号，4字节
 * 3. 好友所在的组序号，0表示我的好友组，自己添加的组从1开始
 * 4. 如果有更多好友，重复2，3部分
 * 5. 尾部
 * </pre>
 * 
 * @author 马若劼
 */
public class UploadGroupFriendPacket extends OutPacket {
	private Hashtable friends;
	
    /**
     * 构造函数
     */
    public UploadGroupFriendPacket() {
        super(QQ.QQ_CMD_UPLOAD_GROUP_FRIEND, true);
		friends = new Hashtable();
    }
    
    /**
     * @param buf
     * @param length
     * @throws PacketParseException
     */
    public UploadGroupFriendPacket(ByteBuffer buf, int length)
            throws PacketParseException {
        super(buf, length);
    }
    
    /** 
     * @see edu.tsinghua.lumaqq.qq.packets.OutPacket#putBody(java.nio.ByteBuffer)   
     */
    protected void putBody(ByteBuffer buf) {
		// 写入每一个好友的QQ号和组序号
		int gSize = friends.size() + 1;
		for(int i = 0; i < gSize; i++) {
			Integer gKey = new Integer(i);
			List gList = (List)friends.get(gKey);
			// 等于null说明这是一个空组，不用处理了
			if(gList != null) {
				int fSize = gList.size();
				for(int j = 0; j < fSize; j++) {
					buf.putInt(((Integer)gList.get(j)).intValue());
					buf.put((byte)i);
				}					
			}
		}
    }
    
    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.packets.OutPacket#parseBody(java.nio.ByteBuffer)
     */
    protected void parseBody(ByteBuffer buf) throws PacketParseException {
        while(buf.hasRemaining()) {
            Integer qq = new Integer(buf.getInt());
            Integer gKey = new Integer(buf.get() & 0xFF);
            List gList = (List)friends.get(gKey);
            if(gList == null) {
                gList = new ArrayList();
                friends.put(gKey, gList);
            }
            gList.add(qq);
        }
    }
	
	/**
	 * 添加好友信息
	 * @param gIndex 好友所在的组索引
	 * @param qqNum 好友的QQ号
	 */
	public void addFriend(int gIndex, int qqNum) {
		Integer gKey = new Integer(gIndex);
		List gList = null;
		if(friends.containsKey(gKey))
			gList = (List)friends.get(gKey);
		else {
			gList = new ArrayList();
			friends.put(gKey, gList);
		}
		gList.add(new Integer(qqNum));
	}
}