Here you can find the source of isDirectoryAccessible(File directory)
public static boolean isDirectoryAccessible(File directory)
//package com.java2s; /**//from www . j av a 2s .com * Aptana Studio * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved. * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions). * Please see the license.html included with this distribution for details. * Any modifications to this file must keep this entire header intact. */ import java.io.File; public class Main { public static boolean isDirectoryAccessible(File directory) { if (directory == null || !directory.isDirectory()) { return false; } return directory.list() != null; } }