Here you can find the source of unzip(String toUnpackName)
public static String unzip(String toUnpackName) throws IOException
//package com.java2s; /**//from w ww. j av a 2 s . com ISAcreator is a component of the ISA software suite (http://www.isa-tools.org) License: ISAcreator is licensed under the Common Public Attribution License version 1.0 (CPAL) EXHIBIT A. CPAL version 1.0 The contents of this file are subject to the CPAL version 1.0 (the License); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://isa-tools.org/licenses/ISAcreator-license.html. The License is based on the Mozilla Public License version 1.1 but Sections 14 and 15 have been added to cover use of software over a computer network and provide for limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent with Exhibit B. Software distributed under the License is distributed on an AS IS basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. The Original Code is ISAcreator. The Original Developer is the Initial Developer. The Initial Developer of the Original Code is the ISA Team (Eamonn Maguire, eamonnmag@gmail.com; Philippe Rocca-Serra, proccaserra@gmail.com; Susanna-Assunta Sansone, sa.sanson@gmail.com; http://www.isa-tools.org). All portions of the code written by the ISA Team are Copyright (c) 2007-2011 ISA Team. All Rights Reserved. EXHIBIT B. Attribution Information Attribution Copyright Notice: Copyright (c) 2008-2011 ISA Team Attribution Phrase: Developed by the ISA Team Attribution URL: http://www.isa-tools.org Graphic Image provided in the Covered Code as file: http://isa-tools.org/licenses/icons/poweredByISAtools.png Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work which combines Covered Code or portions thereof with code not governed by the terms of the CPAL. Sponsors: The ISA Team and the ISA software suite have been funded by the EU Carcinogenomics project (http://www.carcinogenomics.eu), the UK BBSRC (http://www.bbsrc.ac.uk), the UK NERC-NEBC (http://nebc.nerc.ac.uk) and in part by the EU NuGO consortium (http://www.nugo.org/everyone). */ import java.io.*; import java.util.*; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; public class Main { public static final int BUFFER_SIZE = 1024; public static String unzip(String toUnpackName) throws IOException { File file = new File(toUnpackName); return unzip(file); } public static String unzip(File toUnpack) throws IOException { ZipFile zf = new ZipFile(toUnpack); String parentDir = toUnpack.getParent(); String pathToReturn = parentDir; Enumeration<? extends ZipEntry> entries = zf.entries(); while (entries.hasMoreElements()) { ZipEntry entry = entries.nextElement(); // ignore any silly files as a result of the mac os file system (e.g. __MACOSX or .DS_STORE) if (!entry.getName().startsWith("_") && !entry.getName().startsWith(".")) { if (entry.isDirectory()) { // Assume directories are stored parents first then children. File newDirectory = new File(parentDir + File.separator + entry.getName()); pathToReturn = newDirectory.getPath(); if (!newDirectory.exists()) { newDirectory.mkdirs(); } continue; } copyInputStream(zf.getInputStream(entry), new BufferedOutputStream( new FileOutputStream(parentDir + File.separator + entry.getName()))); } } zf.close(); return pathToReturn; } public static void copyInputStream(InputStream in, OutputStream out) throws IOException { byte[] buffer = new byte[BUFFER_SIZE]; int len; while ((len = in.read(buffer)) >= 0) { out.write(buffer, 0, len); } in.close(); out.close(); } }