Here you can find the source of unzip(String zipFile, String targetPath)
public static void unzip(String zipFile, String targetPath) throws IOException
//package com.java2s; /*/*www .j av a 2 s.com*/ * Copyright 2011 ancoron. * * 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.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; public class Main { private final static int BUFFER = 4 * 1024; private static final Logger log = Logger.getLogger("glassfishtest"); public static void unzip(String zipFile, String targetPath) throws IOException { log.log(Level.INFO, "Extracting {0} ...", zipFile); log.log(Level.INFO, "...target directory: {0}", targetPath); File path = new File(targetPath); path.delete(); path.mkdirs(); BufferedOutputStream dest = null; FileInputStream fis = new FileInputStream(zipFile); ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis)); ZipEntry entry; while ((entry = zis.getNextEntry()) != null) { if (entry.isDirectory()) { File f = new File(targetPath + "/" + entry.getName()); f.mkdirs(); continue; } int count; byte data[] = new byte[BUFFER]; // write the files to the disk FileOutputStream fos = new FileOutputStream(targetPath + "/" + entry.getName()); dest = new BufferedOutputStream(fos, BUFFER); while ((count = zis.read(data, 0, BUFFER)) != -1) { dest.write(data, 0, count); } dest.flush(); dest.close(); } zis.close(); } }