Java tutorial
//package com.java2s; /* * Graph89 - Emulator for Android * * Copyright (C) 2012-2013 Dritan Hashorva * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> */ import java.io.ByteArrayInputStream; import java.io.File; import java.io.FileOutputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; public class Main { public static void Unzip(String dir, byte[] data) throws Exception { ByteArrayInputStream input = new ByteArrayInputStream(data); ZipInputStream zipIn = new ZipInputStream(input); ZipEntry entry; while ((entry = zipIn.getNextEntry()) != null) { String outpath = dir + entry.getName(); FileOutputStream output = null; try { File f = new File(outpath); f.getParentFile().mkdirs(); output = new FileOutputStream(f); int len = 0; byte[] buffer = new byte[4096]; while ((len = zipIn.read(buffer)) > 0) { output.write(buffer, 0, len); } } finally { if (output != null) output.close(); } } zipIn.close(); } }