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