Java Unzip File unzip(File input)

Description

unzip

License

Apache License

Declaration

public static void unzip(File input) throws IOException 

Method Source Code

//package com.java2s;
/*//ww  w . jav  a  2  s .  c  o m
 * Copyright 2010 NCHOVY
 * 
 * Licensed 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
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Main {
    public static void unzip(File input) throws IOException {
        FileInputStream fis = null;
        ZipInputStream zis = null;
        ZipEntry entry = null;

        try {
            fis = new FileInputStream(input);
            zis = new ZipInputStream(fis);

            while ((entry = zis.getNextEntry()) != null) {
                File targetFile = new File(entry.getName());
                unzipEntry(zis, targetFile);
            }
        } finally {
            if (zis != null)
                zis.close();

            if (fis != null)
                fis.close();
        }
    }

    private static void unzipEntry(ZipInputStream zis, File out) throws IOException {
        FileOutputStream fos = null;
        BufferedOutputStream bos = null;
        try {
            fos = new FileOutputStream(out);
            bos = new BufferedOutputStream(fos);

            byte[] buffer = new byte[16384];
            int readBytes = 0;
            while ((readBytes = zis.read(buffer)) != -1)
                bos.write(buffer, 0, readBytes);

        } catch (FileNotFoundException e) {
        } finally {
            if (bos != null)
                bos.close();

            if (fos != null)
                try {
                    fos.close();
                } catch (IOException e) {
                }
        }
    }
}

Related

1. unzip(File file, String destination, String container)
2. unZip(File file, String outPath, String zipFileName)
3. unzip(File file, String targetDirectory)
4. unzip(File fileToUnzip, File destinationDirectory)
5. unZip(File inFile, File unzipDir)
6. unzip(File input, File outputDir)
7. unzip(File input, File outputDirectory)
8. unzip(File inputFile, File outputDir)
9. unzip(File inputFile, File unzipDestFolder)