Here you can find the source of copyFile(java.io.File in, java.io.File out)
public static void copyFile(java.io.File in, java.io.File out) throws java.io.IOException
//package com.java2s; /******************************************************************************* * Copyright (c) 2006, 2015, Carnegie Mellon University. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Products derived from the software may not be called "Alice", nor may * "Alice" appear in their name, without prior written permission of * Carnegie Mellon University./* ww w. j a v a 2 s . c om*/ * * 4. All advertising materials mentioning features or use of this software must * display the following acknowledgement: "This product includes software * developed by Carnegie Mellon University" * * 5. The gallery of art assets and animations provided with this software is * contributed by Electronic Arts Inc. and may be used for personal, * non-commercial, and academic use only. Redistributions of any program * source code that utilizes The Sims 2 Assets must also retain the copyright * notice, list of conditions and the disclaimer contained in * The Alice 3.0 Art Gallery License. * * DISCLAIMER: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND. * ANY AND ALL EXPRESS, STATUTORY OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHORS, COPYRIGHT OWNERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING FROM OR OTHERWISE RELATING TO * THE USE OF OR OTHER DEALINGS WITH THE SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. *******************************************************************************/ public class Main { public static void copyFile(java.io.File in, java.io.File out) throws java.io.IOException { createParentDirectoriesIfNecessary(out); java.nio.channels.FileChannel inChannel = new java.io.FileInputStream(in).getChannel(); java.nio.channels.FileChannel outChannel = new java.io.FileOutputStream(out).getChannel(); inChannel.transferTo(0, inChannel.size(), outChannel); inChannel.close(); outChannel.close(); } public static void copyFile(String inPath, String outPath) throws java.io.IOException { copyFile(new java.io.File(inPath), new java.io.File(outPath)); } public static boolean createParentDirectoriesIfNecessary(java.io.File file) { return file.getParentFile().mkdirs(); } public static boolean createParentDirectoriesIfNecessary(String path) { return createParentDirectoriesIfNecessary(new java.io.File(path)); } }