java聊天和文件传输

package com.im;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.channels.SocketChannel;

import com.im.util.IConstant;
import com.im.util.Utils;
/**
 * @author xblia
 * 2014年12月12日
 */
public class FileReciveTask extends Thread
{
	private IFileTransObserver fileTranObserver;
	private SocketChannel socketChannel;
	
	private boolean isRunning;
	
	public FileReciveTask（IFileTransObserver fileTranObserver SocketChannel socketChannel）
    {
	    super（）;
	    this.fileTranObserver = fileTranObserver;
	    this.socketChannel = socketChannel;
	    this.isRunning = true;
    }

	@Override
	public void run（）
	{
		while（isRunning）
		{
			ByteBuffer headerBuff = ByteBuffer.allocate（4）;
			try
            {
	            int iDentified= socketChannel.read（headerBuff）;
	            if（iDentified == -1）
	            {
	            	break;
	            }
	            if（iDentified == IConstant.LEN_INT）
	            {
	            	headerBuff.flip（）;
	            	int iValue = headerBuff.getInt（）;
	            	if（iValue == IConstant.FILE_HEADER_IDENTIFIED）
	            	{
	            		parseFileHeader（socketChannel）;
	            	}else if（iValue == IConstant.MSG_HEADER_IDENTIFIED）
	            	{
	            		parseMsg（socketChannel）;
	            	}
	            	else
	            	{
	            		continue;
	            	}
	            }
            } catch （IOException e）
            {
	            e.printStackTrace（）;
	            break;
            }
			
		}
	}
	
	private void parseMsg（SocketChannel socket）
    {
		ByteBuffer buff = ByteBuffer.allocate（IConstant.LEN_INT）;
		try
        {
	        socket.read（buff）;
	        buff.flip（）;
	        int iMsgLen = buff.getInt（）;
	        if（iMsgLen != -1）
	        {
	        	buff = readMsg（socket iMsgLen）;
	        	
	        	byte []data = new byte[iMsgLen];
	        	buff.get（data）;
	        	String strMsg = new String（data）;
	        	fileTranObserver.notifyMsg（strMsg true）;
	        	
	        }
        } catch （IOException e）
        {
	        e.printStackTrace（）;
        } catch （Exception e）
        {
	        e.printStackTrace（）;
        }
    }

	private void parseFileHeader（SocketChannel socket）
    {
		ByteBuffer fileheadBuff = ByteBuffer.allocate（IConstant.LEN_INT）;
		try
        {
	        socket.read（fileheadBuff）;
	        fileheadBuff.flip（）;
	        int iFileNameLen = fileheadBuff.getInt（）;
	        if（iFileNameLen != -1）
	        {
	        	fileheadBuff = readMsg（socket iFileNameLen）;
	        	
	        	byte []data = new byte[iFileNameLen];
	        	fileheadBuff.get（data）;
	        	String fileName = new String（data）;
	        	fileTranObserver.notifyNextFile（fileName）;
	        	
	        	fileheadBuff = readMsg（sock

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-12-16 18:07  EasyTranfer_02
     文件         363  2014-12-12 14:35  EasyTranfer_02.classpath
     文件         390  2014-12-16 14:35  EasyTranfer_02.project
     目录           0  2014-12-16 14:35  EasyTranfer_02.settings
     文件         598  2014-12-11 11:18  EasyTranfer_02.settingsorg.eclipse.jdt.core.prefs
     目录           0  2014-12-16 15:17  EasyTranfer_02in
     目录           0  2014-12-16 15:17  EasyTranfer_02incom
     目录           0  2014-12-16 15:17  EasyTranfer_02incomim
     文件        4595  2014-12-16 17:47  EasyTranfer_02incomimFileReciveTask.class
     文件        4859  2014-12-16 17:54  EasyTranfer_02incomimFileSendTask.class
     文件        1251  2014-12-16 15:17  EasyTranfer_02incomimFilesMgr.class
     文件         303  2014-12-16 17:45  EasyTranfer_02incomimIFileTransObserver.class
     文件         193  2014-12-16 15:17  EasyTranfer_02incomimISocketOberser.class
     文件        2287  2014-12-16 17:25  EasyTranfer_02incomimTranferClient.class
     文件        4338  2014-12-16 17:25  EasyTranfer_02incomimTranferServer.class
     目录           0  2014-12-16 17:14  EasyTranfer_02incomimui
     文件        2080  2014-12-16 18:04  EasyTranfer_02incomimuiEasyTransferMainframe$1.class
     文件       10458  2014-12-16 18:04  EasyTranfer_02incomimuiEasyTransferMainframe.class
     文件         164  2014-12-16 15:17  EasyTranfer_02incomimuiITextAreaTask.class
     文件        1889  2014-12-16 16:45  EasyTranfer_02incomimuiJTextPaneEx.class
     文件         711  2014-12-16 16:41  EasyTranfer_02incomimuiTextAreaByMenu$1.class
     文件         711  2014-12-16 16:41  EasyTranfer_02incomimuiTextAreaByMenu$2.class
     文件         711  2014-12-16 16:41  EasyTranfer_02incomimuiTextAreaByMenu$3.class
     文件         711  2014-12-16 16:41  EasyTranfer_02incomimuiTextAreaByMenu$4.class
     文件         711  2014-12-16 16:41  EasyTranfer_02incomimuiTextAreaByMenu$5.class
     文件        4731  2014-12-16 16:41  EasyTranfer_02incomimuiTextAreaByMenu.class
     目录           0  2014-12-16 15:17  EasyTranfer_02incomimutil
     文件         782  2014-12-16 17:58  EasyTranfer_02incomimutilIConstant.class
     文件        1084  2014-12-16 15:17  EasyTranfer_02incomimutilT.class
     文件         205  2014-12-16 15:17  EasyTranfer_02incomimutilTimeUnit.class
     文件        1939  2014-12-16 17:57  EasyTranfer_02incomimutilUtils.class
............此处省略22个文件信息