Java Unzip File unzip(File zipFile, File destDir)

Description

Unzips the InputStream to the given destination directory.

License

Open Source License

Parameter

Parameter	Description
zipFile	File to unzip
destDir	a parameter

Exception

Parameter	Description
FileNotFoundException	an exception
IOException	an exception

Declaration

public static void unzip(File zipFile, File destDir) throws FileNotFoundException, IOException 

Method Source Code

//package com.java2s;
/**// w w w.j  a va 2s  .c o m
 * Copyright (C) 2012 MediaShelf <http://www.yourmediashelf.com/>
 *
 * This file is part of fedora-cargo-plugin.
 *
 * fedora-cargo-plugin is free software: you can redistribute it and/or modify
 * it 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.
 *
 * fedora-cargo-plugin is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with fedora-cargo-plugin.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Enumeration;

import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class Main {
    /**
     * Unzips the InputStream to the given destination directory.
     * 
     * @param zipFile File to unzip
     * @param destDir
     * @throws FileNotFoundException
     * @throws IOException
     */
    public static void unzip(File zipFile, File destDir) throws FileNotFoundException, IOException {
        int BUFFER = 2048;
        BufferedOutputStream dest = null;
        ZipFile zip = new ZipFile(zipFile);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        ZipEntry entry;
        while (entries.hasMoreElements()) {
            entry = entries.nextElement();
            if (entry.isDirectory()) {
                // Otherwise, empty directories do not get created
                (new File(destDir, entry.getName())).mkdirs();
            } else {
                BufferedInputStream is = new BufferedInputStream(zip.getInputStream(entry));

                File f = new File(destDir, entry.getName());
                f.getParentFile().mkdirs();
                int count;
                byte data[] = new byte[BUFFER];
                // write the files to the disk
                FileOutputStream fos = new FileOutputStream(f);
                dest = new BufferedOutputStream(fos, BUFFER);
                while ((count = is.read(data, 0, BUFFER)) != -1) {
                    dest.write(data, 0, count);
                }
                dest.flush();
                dest.close();
                is.close();
            }
        }
    }
}

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2. unzip(File zipFile, File destDir)
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