Here you can find the source of copyDirectory(File sourceLocation, File targetLocation)
public static void copyDirectory(File sourceLocation, File targetLocation) throws IOException
//package com.java2s; /*/*w ww .j a v a2 s . c om*/ * Copyright 2013 SmartBear Software * * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by the European Commission - subsequent * versions of the EUPL (the "Licence"); * You may not use this work except in compliance with the Licence. * You may obtain a copy of the Licence at: * * http://ec.europa.eu/idabc/eupl * * Unless required by applicable law or agreed to in writing, software distributed under the Licence is * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the Licence for the specific language governing permissions and limitations * under the Licence. */ import java.io.File; import java.io.IOException; import com.google.common.io.Files; public class Main { public static void copyDirectory(File sourceLocation, File targetLocation) throws IOException { if (!sourceLocation.exists()) throw new IOException("File does not exist: " + sourceLocation); if (sourceLocation.isDirectory()) { if (!targetLocation.exists() && !targetLocation.mkdir()) throw new IOException("Unable to create directory: " + targetLocation); for (String child : sourceLocation.list()) copyDirectory(new File(sourceLocation, child), new File(targetLocation, child)); } else { Files.copy(sourceLocation, targetLocation); } } }