uploadfilepacket.java

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/*
* 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.disk;

import java.nio.ByteBuffer;

import edu.tsinghua.lumaqq.qq.QQ;
import edu.tsinghua.lumaqq.qq.Util;
import edu.tsinghua.lumaqq.qq.annotation.DocumentalPacket;
import edu.tsinghua.lumaqq.qq.annotation.PacketName;
import edu.tsinghua.lumaqq.qq.annotation.RelatedPacket;
import edu.tsinghua.lumaqq.qq.beans.QQUser;
import edu.tsinghua.lumaqq.qq.packets.DiskOutPacket;
import edu.tsinghua.lumaqq.qq.packets.PacketParseException;
import edu.tsinghua.lumaqq.qq.packets.in.disk.UploadFileReplyPacket;

/**
 * <pre>
 * 上传文件
 * 1. 头部
 * 2. 文件id，30字节
 * 3. 起始上传偏移，4字节
 * 4. 上传长度，4字节
 * 5. 上传内容
 * </pre>
 *
 * @author luma
 */
@DocumentalPacket
@PacketName("上传文件数据请求包")
@RelatedPacket({UploadFileReplyPacket.class})
public class UploadFilePacket extends DiskOutPacket {
	private String id;
	private int offset;
	private int length;
	private byte[] bytes;

	public UploadFilePacket(ByteBuffer buf, int length, QQUser user) throws PacketParseException {
		super(buf, length, user);
	}

	public UploadFilePacket(QQUser user) {
		super(QQ.QQ_DISK_CMD_UPLOAD, user);
	}

	@Override
	public String getPacketName() {
		return "Upload File Packet";
	}
	
	@Override
	protected void putBody(ByteBuffer buf) {
		byte[] b = Util.getBytes(id);
		if(b.length >= 30)
			buf.put(b, 0, 30);
		else {
			buf.put(b);
			for(int i = 0; i < 30 - b.length; i++)
				buf.put((byte)0);
		}
		buf.putInt(offset);
		buf.putInt(length);
		buf.put(bytes);
	}

	/**
	 * @return the id
	 */
	public String getId() {
		return id;
	}

	/**
	 * @param id the id to set
	 */
	public void setId(String id) {
		this.id = id;
	}

	/**
	 * @return the length
	 */
	public int getLength() {
		return length;
	}

	/**
	 * @param length the length to set
	 */
	public void setLength(int length) {
		this.length = length;
	}

	/**
	 * @return the offset
	 */
	public int getOffset() {
		return offset;
	}

	/**
	 * @param offset the offset to set
	 */
	public void setOffset(int offset) {
		this.offset = offset;
	}

	/**
	 * @return the bytes
	 */
	public byte[] getBytes() {
		return bytes;
	}

	/**
	 * @param bytes the bytes to set
	 */
	public void setBytes(byte[] bytes) {
		this.bytes = bytes;
	}

}