Java Zip Directory zipDirectory(File zipDir, ZipOutputStream zos)

Description

ZIP a directory with sub-folders and write it to the given output stream.

License

Open Source License

Parameter

Parameter	Description
zipDir	the directory to ZIP
zos	the ZIP output stream

Exception

Parameter	Description
IOException	if reading the directory or writing the ZIP streamfails

Declaration

public static void zipDirectory(File zipDir, ZipOutputStream zos) throws IOException 

Method Source Code

//package com.java2s;
/*/*w w  w .j  av a 2  s. c om*/
 * Copyright (c) 2012 Data Harmonisation Panel
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     HUMBOLDT EU Integrated Project #030962
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */

import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    /**
     * ZIP a directory with sub-folders and write it to the given output stream.
     * 
     * @param zipDir the directory to ZIP
     * @param zos the ZIP output stream
     * @throws IOException if reading the directory or writing the ZIP stream
     *             fails
     */
    public static void zipDirectory(File zipDir, ZipOutputStream zos) throws IOException {
        zipDirectory(zipDir, zos, "");
    }

    private static void zipDirectory(File zipDir, ZipOutputStream zos, String parentFolder) throws IOException {
        String[] dirList = zipDir.list();
        byte[] readBuffer = new byte[2156];
        int bytesIn = 0;

        for (int i = 0; i < dirList.length; i++) {

            File f = new File(zipDir, dirList[i]);
            if (f.isDirectory()) {
                if (parentFolder.isEmpty())
                    zipDirectory(f, zos, f.getName());
                else
                    zipDirectory(f, zos, parentFolder + "/" + f.getName());
                continue;
            }
            FileInputStream fis = new FileInputStream(f);
            ZipEntry anEntry;
            if (parentFolder.isEmpty())
                anEntry = new ZipEntry(f.getName());
            else
                anEntry = new ZipEntry(parentFolder + "/" + f.getName());
            zos.putNextEntry(anEntry);

            while ((bytesIn = fis.read(readBuffer)) != -1) {
                zos.write(readBuffer, 0, bytesIn);
            }
            fis.close();
        }
    }
}

Related

1. zipDirectory(File dirToZip, File outputDir, String fileName)
2. zipDirectory(File folder, File outputFile)
3. zipDirectory(File inputDirectory, File zipFile)
4. zipDirectory(File root, File directory, ZipOutputStream zos)
5. zipDirectory(File srcDir, File destFile)
6. zipDirectory(final String sourceFolder, final String targetFolder, final String zipExtension)
7. zipDirectory(String dbDumpPath)
8. zipDirectory(String dir2zip, ZipOutputStream zos, String zipPath)
9. zipDirectory(String directoryName, int iBaseFolderLength, ZipOutputStream zos, CRC32 crc)