将指定目录下的文件打tar包,不包括此目录
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(); } }
原文地址:https://www.oschina.net/code/snippet_1387007_38740