PackTarGZUtils.java
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package com.bsth.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.utils.IOUtils;
public class PackTarGZUtils {
/**
* @Title: pack
*
* @Description: 将一组文件打成tar包
*
* @param sources 要打包的原文件数组
*
* @param target 打包后的文件
*
* @return File 返回打包后的文件
*
* @throws
*
*/
public static File pack(File[] sources, File target){
FileOutputStream out = null;
try {
out = new FileOutputStream(target);
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
TarArchiveOutputStream os = new TarArchiveOutputStream(out);
for (File file : sources) {
try {
os.putArchiveEntry(new TarArchiveEntry(file));
IOUtils.copy(new FileInputStream(file), os);
os.closeArchiveEntry();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
if(os != null) {
try {
os.flush();
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return target;
}
/**
*
* @Title: compress
*
* @Description: 将文件用gzip压缩
*
* @param source 需要压缩的文件
*
* @return File 返回压缩后的文件
*
* @throws
*
*/
public static File compress(File source, File target) {
//File target = new File(source.getName() + ".gz");
FileInputStream in = null;
GZIPOutputStream out = null;
try {
in = new FileInputStream(source);
out = new GZIPOutputStream(new FileOutputStream(target));
byte[] array = new byte[1024];
int number = -1;
while((number = in.read(array, 0, array.length)) != -1) {
out.write(array, 0, number);
}
out.finish();
out.flush();
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} catch (IOException e) {
e.printStackTrace();
return null;
} finally {
if(in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
if(out != null) {
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
}
return target;
}
public static void main(String[] args) {
File f = compress(new File("C:\\Users\\panzhao\\Desktop\\111\\1025.txt"), new File("C:\\Users\\panzhao\\Desktop\\111\\333\\1025.txt.gz"));
}
}