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

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????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
?????目錄???????????0??2014-12-16?14:35??EasyTranfer_02\.settings\
?????文件?????????598??2014-12-11?11:18??EasyTranfer_02\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2014-12-16?15:17??EasyTranfer_02\bin\
?????目錄???????????0??2014-12-16?15:17??EasyTranfer_02\bin\com\
?????目錄???????????0??2014-12-16?15:17??EasyTranfer_02\bin\com\im\
?????文件????????4595??2014-12-16?17:47??EasyTranfer_02\bin\com\im\FileReciveTask.class
?????文件????????4859??2014-12-16?17:54??EasyTranfer_02\bin\com\im\FileSendTask.class
?????文件????????1251??2014-12-16?15:17??EasyTranfer_02\bin\com\im\FilesMgr.class
?????文件?????????303??2014-12-16?17:45??EasyTranfer_02\bin\com\im\IFileTransObserver.class
?????文件?????????193??2014-12-16?15:17??EasyTranfer_02\bin\com\im\ISocketOberser.class
?????文件????????2287??2014-12-16?17:25??EasyTranfer_02\bin\com\im\TranferClient.class
?????文件????????4338??2014-12-16?17:25??EasyTranfer_02\bin\com\im\TranferServer.class
?????目錄???????????0??2014-12-16?17:14??EasyTranfer_02\bin\com\im\ui\
?????文件????????2080??2014-12-16?18:04??EasyTranfer_02\bin\com\im\ui\EasyTransferMainframe$1.class
?????文件???????10458??2014-12-16?18:04??EasyTranfer_02\bin\com\im\ui\EasyTransferMainframe.class
?????文件?????????164??2014-12-16?15:17??EasyTranfer_02\bin\com\im\ui\ITextAreaTask.class
?????文件????????1889??2014-12-16?16:45??EasyTranfer_02\bin\com\im\ui\JTextPaneEx.class
?????文件?????????711??2014-12-16?16:41??EasyTranfer_02\bin\com\im\ui\TextAreaByMenu$1.class
?????文件?????????711??2014-12-16?16:41??EasyTranfer_02\bin\com\im\ui\TextAreaByMenu$2.class
?????文件?????????711??2014-12-16?16:41??EasyTranfer_02\bin\com\im\ui\TextAreaByMenu$3.class
?????文件?????????711??2014-12-16?16:41??EasyTranfer_02\bin\com\im\ui\TextAreaByMenu$4.class
?????文件?????????711??2014-12-16?16:41??EasyTranfer_02\bin\com\im\ui\TextAreaByMenu$5.class
?????文件????????4731??2014-12-16?16:41??EasyTranfer_02\bin\com\im\ui\TextAreaByMenu.class
?????目錄???????????0??2014-12-16?15:17??EasyTranfer_02\bin\com\im\util\
?????文件?????????782??2014-12-16?17:58??EasyTranfer_02\bin\com\im\util\IConstant.class
?????文件????????1084??2014-12-16?15:17??EasyTranfer_02\bin\com\im\util\T.class
?????文件?????????205??2014-12-16?15:17??EasyTranfer_02\bin\com\im\util\TimeUnit.class
?????文件????????1939??2014-12-16?17:57??EasyTranfer_02\bin\com\im\util\Utils.class
............此處省略22個文件信息