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import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.GZIPOutputStream;
import org.apache.tools.tar.TarEntry;
import org.apache.tools.tar.TarOutputStream;
/*
* ¹¦ÄÜ£ºÑ¹ËõÎļþ³Étar.gz¸ñʽ
*/
public class TarUtils
{
private static int BUFFER = 1024*4; //»º³å´óС
private static byte[] B_ARRAY = new byte[BUFFER];
/*
* ·½·¨¹¦ÄÜ£º´ò°üµ¥¸öÎļþ»òÎļþ¼Ð
* ²ÎÊý£ºinputFileName Òª´ò°üµÄÎļþ¼Ð»òÎļþµÄ·¾¶
* targetFileName ´ò°üºóµÄÎļþ·¾¶
*/
public void execute(String inputFileName, String targetFileName)
{
File inputFile = new File(inputFileName);
String base = inputFileName
.substring(inputFileName.lastIndexOf("/") + 1);
TarOutputStream out = getTarOutputStream(targetFileName);
tarPack(out, inputFile, base);
try
{
if (null != out)
{
out.close();
}
} catch (IOException e)
{
e.printStackTrace();
}
compress(new File(targetFileName));
}
/*
* ·½·¨¹¦ÄÜ£º´ò°ü¶à¸öÎļþ»òÎļþ¼Ð
* ²ÎÊý£ºinputFileNameList Òª´ò°üµÄÎļþ¼Ð»òÎļþµÄ·¾¶µÄÁбí
* targetFileName ´ò°üºóµÄÎļþ·¾¶
*/
public void execute(List<String> inputFileNameList, String targetFileName)
{
TarOutputStream out = getTarOutputStream(targetFileName);
for(String inputFileName : inputFileNameList)
{
File inputFile = new File(inputFileName);
String base = inputFileName
.substring(inputFileName.lastIndexOf("/") + 1);
tarPack(out, inputFile, base);
}
try
{
if (null != out)
{
out.close();
}
} catch (IOException e)
{
e.printStackTrace();
}
compress(new File(targetFileName));
}
/*
* ·½·¨¹¦ÄÜ£º´ò°ü³ÉtarÎļþ
* ²ÎÊý£ºout ´ò°üºóÉú³ÉÎļþµÄÁ÷
* inputFile ҪѹËõµÄÎļ
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DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
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/**
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*/
/*this¹Ø¼ü×ֵĵÚÒ»ÖÖÓ÷¨*/
//ÔÚ·½·¨Öе÷ÓÃͬÀàÖеķ½·¨,ÕâʱµÄthis¿ÉÒÔÊ¡ÂÔ.
class ThisPointer
{
public void function1()
{
System.out.println("function1 is calling...");
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