/*
* 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.out;

import java.nio.ByteBuffer;

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


/**
 * <pre>
 * 請(qǐng)求密鑰包，格式為：
 * 1. 頭部
 * 2. 密鑰類型，一個(gè)字節(jié)，0x3或者0x4
 * 3. 尾部
 * 
 * 這個(gè)包用來請(qǐng)求得到一些操作的密鑰，比如文件中轉(zhuǎn)，或者語(yǔ)音視頻之類的都有可能
 * </pre>
 *
 * @author 馬若劼
 */
public class RequestKeyPacket extends OutPacket {    
    private byte request;
    
    /**
     * 構(gòu)造函數(shù)
     */
    public RequestKeyPacket() {
        super(QQ.QQ_CMD_REQUEST_KEY, true);
    }
        
    /**
     * @param buf
     * @param length
     * @throws PacketParseException
     */
    public RequestKeyPacket(ByteBuffer buf, int length)
            throws PacketParseException {
        super(buf, length);
    }
    
    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.packets.OutPacket#putBody(java.nio.ByteBuffer)
     */
    protected void putBody(ByteBuffer buf) {
        buf.put(request);
    }
    
    /* (non-Javadoc)
     * @see edu.tsinghua.lumaqq.qq.packets.OutPacket#parseBody(java.nio.ByteBuffer)
     */
    protected void parseBody(ByteBuffer buf) throws PacketParseException {
        request = buf.get();
    }
    
    /**
     * @param content The content to set.
     */
    public void setRequest(byte request) {
        this.request = request;
    }
    
    /**
     * @return Returns the request.
     */
    public byte getRequest() {
        return request;
    }
}