/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma <stubma@163.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 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.in;

import java.nio.ByteBuffer;

import edu.tsinghua.lumaqq.qq.PacketParseException;
import edu.tsinghua.lumaqq.qq.QQ;
import edu.tsinghua.lumaqq.qq.beans.ContactInfo;
import edu.tsinghua.lumaqq.qq.packets.InPacket;


/**
 * <pre>
 * 請求用戶信息的回復包，格式為
 * 1. 頭部
 * 2. 由ascii 30分隔的各個字段
 * 3. 尾部
 * </pre>
 *
 * @author 馬若劼
 */
public class GetUserInfoReplyPacket extends InPacket {
    public ContactInfo contactInfo;

    /**
     * 構造函數
     * @param buf 緩沖區
     * @param length 包長度
     * @throws PacketParseException 解析錯誤
     */
    public GetUserInfoReplyPacket(ByteBuffer buf, int length) throws PacketParseException {
        super(buf, length);
    }   

    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.packets.InPacket#parseBody(java.nio.ByteBuffer)
     */
    protected void parseBody(ByteBuffer buf) throws PacketParseException {
        // 創建contact info
        contactInfo = new ContactInfo(buf);
        // 檢查字段數
        int j = contactInfo.infos.length;
        if(j < QQ.QQ_CONTACT_FIELDS)
            throw new PacketParseException("用戶信息字段數少于期望的字段數");
        else if(j > QQ.QQ_CONTACT_FIELDS)
            log.warn("用戶信息字段數大于期望的字段數，危險，但是繼續使用");
    }
}