Apache Compress-使用

Apache Compress 是什么?

　　Apache  提供的文件压缩工具。

运行环境

　　jdk 1.7

　　commons-compress 1.15

测试代码

　　

 package com.m.basic;

 import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
 import org.junit.Test;

 import java.io.*;
 import java.util.zip.ZipOutputStream;

 public class CompressTest {

     @Test
     public void compressTest() {
         File targetFile = new File("D:/malin/malin.zip");
         File sourceFile = new File("D:/malin/xxx");

         compressFile(targetFile, sourceFile);
     }

     public void compressFile(File targetFile, File sourceFile) {
         ZipOutputStream zipOutput = null;
         try {
             zipOutput = new ZipOutputStream(new FileOutputStream(targetFile));
             compress(zipOutput, sourceFile, sourceFile.getName());
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
             if (zipOutput != null) {
                 try {
                     zipOutput.closeEntry();
                     zipOutput.close();
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
         }
     }

     private void compress(ZipOutputStream zipOutput, File sourceFile, String base) throws IOException {
         if (sourceFile.isDirectory()) {
             File[] files = sourceFile.listFiles();
             if (files.length == 0) {
                 System.out.println(base + "/");
                 zipOutput.putNextEntry(new ZipArchiveEntry(base + "/"));
             } else {
                 for (File file : files) {
                     compress(zipOutput, file, base + "/" + file.getName());
                 }
             }
         } else {
             zipOutput.putNextEntry(new ZipArchiveEntry(base));
             FileInputStream fis = new FileInputStream(sourceFile);
             BufferedInputStream bis = new BufferedInputStream(fis);

             int tag;
             System.out.println(base);
             while ((tag = bis.read()) != -1) {
                 zipOutput.write(tag);
             }
             fis.close();
             bis.close();
         }
     }
 }

参考

http://commons.apache.org/proper/commons-compress/examples.html