将指定目录下的文件打成tar包代码,Java代码库,德仔网

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【Java】将指定目录下的文件打成tar包

作者:就一傻子 / 发布于2014/9/20/ 622

将指定目录下的文件打成tar包，递归遍历


	package com.jttx.other.jtp;
	
	import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
	import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
	import org.apache.commons.io.IOUtils;
	
	import java.io.*;
	import java.util.logging.Logger;
	
	/**
	* Created by superman on 2014/9/16.
	*/
	
	public class TarBuilder {
	 private Logger logger = Logger.getLogger(getClass().getName());
	 private TarArchiveOutputStream tarArchiveOutputStream;
	 private File source;
	 private File dist;
	 private boolean deleteSource;
	
	 /**
	 * 将指定目录下的文件打成tar包
	 * @param srcDir 要压缩的目录
	 * @param distDir 输出目录
	 * @param tarName tar包的名称
	 * @param deleteSource 压缩后是否删除源文件
	 */
	 public TarBuilder(String srcDir,String distDir,String tarName,boolean deleteSource){
	 source=new File(srcDir);
	 dist = new File(distDir, tarName);
	 this.deleteSource=deleteSource;
	 if (source.exists()) {
	 try {
	 tarArchiveOutputStream = new TarArchiveOutputStream(new FileOutputStream(dist));
	 } catch (FileNotFoundException e) {
	 e.printStackTrace();
	 }
	 }
	 }
	 public void build() {
	 action(source);
	 if (tarArchiveOutputStream != null) {
	 try {
	 tarArchiveOutputStream.close();
	 } catch (IOException e) {
	 e.printStackTrace();
	 }
	 }
	 }
	 private void action(File file) {
	 if(tarArchiveOutputStream==null){
	 logger.severe(source.getName()+" not found.");
	 return;
	 }
	 if (file.isFile()) {
	 append(tarArchiveOutputStream,file);
	 }else if (file.isDirectory()) {
	 File[] files=file.listFiles();
	 if (files != null && files.length > 0) {
	 for (File f : files) {
	 action(f);
	 }
	 }
	 }
	 }
	
	 private void append(TarArchiveOutputStream tarArchiveOutputStream,File file){
	 InputStream is=null;
	 try {
	 is = new BufferedInputStream(new FileInputStream(file));
	 TarArchiveEntry entry = new TarArchiveEntry(file);
	 entry.setSize(file.length());
	 entry.setName(file.getAbsolutePath().substring(source.getAbsolutePath().length()+1));
	 tarArchiveOutputStream.putArchiveEntry(entry);
	 IOUtils.copy(is,tarArchiveOutputStream);
	 tarArchiveOutputStream.flush();
	 tarArchiveOutputStream.closeArchiveEntry();
	 } catch (Exception e) {
	 e.printStackTrace();
	 }finally {
	 IOUtils.closeQuietly(is);
	 if(deleteSource){
	 if(!file.delete()){
	 logger.warning("Delete source file "+file.getName()+" failed.");
	 }
	 }
	 }
	 }
	
	 public static void main(String[] args) {
	 TarBuilder tarBuilder = new TarBuilder("E:\\test\\data\\data\\SY\\cubic\\tar", "E:\\test\\data\\data\\SY\\cubic", "tt.tar",true);
	 tarBuilder.build();
	 }
	}

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　tar包　

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