Java Unzip File decompress(String fileName, String destinationFolder)

Description

decompress

License

MIT License

Declaration

public static void decompress(String fileName, String destinationFolder) 

Method Source Code

//package com.java2s;
/*/*from w  w  w  . j  ava 2 s.  c  om*/
 * This file is part of UltimateCore, licensed under the MIT License (MIT).
 *
 * Copyright (c) Bammerbom
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.io.*;

import java.util.Enumeration;

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

public class Main {
    public static void decompress(String fileName, String destinationFolder) {
        BufferedOutputStream dest = null;
        BufferedInputStream is = null;
        try {
            ZipEntry entry;
            ZipFile zipfile = new ZipFile(fileName);
            Enumeration<? extends ZipEntry> e = zipfile.entries();
            while (e.hasMoreElements()) {
                entry = e.nextElement();
                if (entry.isDirectory()) {
                    new File(destinationFolder + File.separator + entry.getName()).mkdir();
                    continue;
                }
                is = new BufferedInputStream(zipfile.getInputStream(entry));
                int count;
                byte data[] = new byte[2048];
                File f = new File(destinationFolder + File.separator + entry.getName());
                if (!f.exists()) {
                    f.getParentFile().mkdirs();
                }
                FileOutputStream fos = new FileOutputStream(destinationFolder + File.separator + entry.getName());
                dest = new BufferedOutputStream(fos, 2048);
                while ((count = is.read(data, 0, 2048)) != -1) {
                    dest.write(data, 0, count);
                }
                dest.flush();
                dest.close();
                is.close();
            }
            zipfile.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        } finally {
            try {
                if (dest != null) {
                    dest.close();
                }
                if (is != null) {
                    is.close();
                }
            } catch (IOException ignore) {
            }
        }
    }
}

Related

1. decompress(String filepath, File outpathdir, String includes)
2. decompress(String zipFile, String targetPath)
3. decompresses(File file, File destinationDirectory)
4. decompressFile(File destFile, ZipInputStream zis)