Here you can find the source of copyFile(InputStream in, File destination)
public static void copyFile(InputStream in, File destination) throws Exception
//package com.java2s; /*// ww w .j av a2s . c om * RHQ Management Platform * Copyright (C) 2005-2009 Red Hat, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation, and/or the GNU Lesser * General Public License, version 2.1, also as published by the Free * Software Foundation. * * 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 and the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU General Public License * and the GNU Lesser General Public License along with this program; * if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; public class Main { public static void copyFile(InputStream in, File destination) throws Exception { if (!destination.canWrite()) throw new Exception( "Creating of temporary file for lens failed. Destination file " + destination.getAbsolutePath() + " is not accessible."); OutputStream out = new FileOutputStream(destination); byte[] buf = new byte[1024]; int length; while ((length = in.read(buf)) > 0) { out.write(buf, 0, length); } in.close(); out.close(); } }