Here you can find the source of writeFile(byte[] bytes, File file)
public static void writeFile(byte[] bytes, File file) throws IOException
//package com.java2s; /*/*from ww w .j a v a2 s. c om*/ * Syncany, www.syncany.org * Copyright (C) 2011 Philipp C. Heckel <philipp.heckel@gmail.com> * * 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.io.IOException; import java.io.InputStream; public class Main { public static void writeFile(byte[] bytes, File file) throws IOException { writeFile(new ByteArrayInputStream(bytes), file); } public static void writeFile(InputStream is, File file) throws IOException { FileOutputStream fos = new FileOutputStream(file); int read = 0; byte[] bytes = new byte[4096]; while ((read = is.read(bytes)) != -1) { fos.write(bytes, 0, read); } is.close(); fos.close(); } }