Zip up a directory : Zip Tar File « File Input Output « Java

Zip up a directory

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.


 * File utilities
 * @version $Revision: 691982 $
public final class FileUtil {
     * Zip up a directory
     * @param directory
     * @param zipName
     * @throws IOException
    public static void zipDir(String directory, String zipName) throws IOException {
        // create a ZipOutputStream to zip the data to
        ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipName));
        String path = "";
        zipDir(directory, zos, path);
        // close the stream

     * Zip up a directory path
     * @param directory
     * @param zos
     * @param path
     * @throws IOException
    public static void zipDir(String directory, ZipOutputStream zos, String path) throws IOException {
        File zipDir = new File(directory);
        // get a listing of the directory content
        String[] dirList = zipDir.list();
        byte[] readBuffer = new byte[2156];
        int bytesIn = 0;
        // loop through dirList, and zip the files
        for (int i = 0; i < dirList.length; i++) {
            File f = new File(zipDir, dirList[i]);
            if (f.isDirectory()) {
                String filePath = f.getPath();
                zipDir(filePath, zos, path + f.getName() + "/");
            FileInputStream fis = new FileInputStream(f);
            try {
                ZipEntry anEntry = new ZipEntry(path + f.getName());
                bytesIn =;
                while (bytesIn != -1) {
                    zos.write(readBuffer, 0, bytesIn);
                    bytesIn =;
            } finally {


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