filetransfermessage.java

类似QQ的功能

/*******************************************************************************
 Jimm - Mobile Messaging - J2ME ICQ clone
 Copyright (C) 2003-05  Jimm Project

 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.
 ********************************************************************************
 File: src/jimm/comm/FileTransferRequest.java
 Version: ###VERSION###  Date: ###DATE###
 Author(s): Andreas Rossbacher
 *******************************************************************************/

//#sijapp cond.if (target!="DEFAULT")&(modules_FILES="true")#
package jimm.comm;

import jimm.ContactItem;
import java.io.InputStream;

public class FileTransferMessage extends Message
{

	// Filename
	private String filename;

	// Description
	private String description;

	// File to transfer
	InputStream fis;

	int fsize;

	// Constructs an outgoing message
	public FileTransferMessage(String sndrUin, ContactItem _rcvr,
			int _messageType, String _filename, String _description,
			InputStream is, int size)
	{
		super(0, null, sndrUin, _messageType);
		this.rcvr = _rcvr;
		this.filename = _filename;
		this.description = _description;
		fis = is;
		fsize = size;
	}

	// Returns the description
	public String getDescription()
	{
		return description;
	}

	// Returns the filename
	public String getFilename()
	{
		return filename;
	}

	// Returns the size of the file
	public int getSize()
	{
		return fsize;
	}

	// Is another segment available?
	public boolean segmentAvail(int i)
	{
		return (i <= (fsize / 2048));
	}

	public byte[] getFileSegmentPacket(int segment)
	{
		byte[] buf;
		if (segment < (fsize / 2048))
			buf = new byte[2049];
		else
			buf = new byte[(fsize % 2048) + 1];
		// System.out.println("buf length: " + buf.length);
		Util.putByte(buf, 0, 0x06);
		// System.out.println("p");
		try
		{
			fis.read(buf, 1, buf.length - 1);
		} catch (Exception e)
		{
			e.printStackTrace();
		}

		return (buf);
	}
}

//#sijapp cond.end#