001 /* 002 * JBoss, Home of Professional Open Source. 003 * Copyright 2008, Red Hat Middleware LLC, and individual contributors 004 * as indicated by the @author tags. See the copyright.txt file in the 005 * distribution for a full listing of individual contributors. 006 * 007 * This is free software; you can redistribute it and/or modify it 008 * under the terms of the GNU Lesser General Public License as 009 * published by the Free Software Foundation; either version 2.1 of 010 * the License, or (at your option) any later version. 011 * 012 * This software is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * You should have received a copy of the GNU Lesser General Public 018 * License along with this software; if not, write to the Free 019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 021 */ 022 023 package org.jboss.dna.common.util; 024 025 import java.io.File; 026 import java.net.MalformedURLException; 027 import java.net.URL; 028 029 public class FileUtil { 030 031 /** 032 * Delete the file or directory at the supplied path. This method works on a directory that is not empty, unlike the 033 * {@link File#delete()} method. 034 * 035 * @param path the path to the file or directory that is to be deleted 036 * @return true if the file or directory at the supplied path existed and was successfully deleted, or false otherwise 037 */ 038 public static boolean delete( String path ) { 039 if (path == null || path.trim().length() == 0) return false; 040 return delete(new File(path)); 041 } 042 043 /** 044 * Delete the file or directory given by the supplied reference. This method works on a directory that is not empty, unlike 045 * the {@link File#delete()} method. 046 * 047 * @param fileOrDirectory the reference to the Java File object that is to be deleted 048 * @return true if the supplied file or directory existed and was successfully deleted, or false otherwise 049 */ 050 public static boolean delete( File fileOrDirectory ) { 051 if (fileOrDirectory == null) return false; 052 if (!fileOrDirectory.exists()) return false; 053 054 // The file/directory exists, so if a directory delete all of the contents ... 055 if (fileOrDirectory.isDirectory()) { 056 for (File childFile : fileOrDirectory.listFiles()) { 057 delete(childFile); // recursive call (good enough for now until we need something better) 058 } 059 // Now an empty directory ... 060 } 061 // Whether this is a file or empty directory, just delete it ... 062 return fileOrDirectory.delete(); 063 } 064 065 /** 066 * Utility to convert {@link File} to {@link URL}. 067 * 068 * @param filePath the path of the file 069 * @return the {@link URL} representation of the file. 070 * @throws MalformedURLException 071 * @throws IllegalArgumentException if the file path is null, empty or blank 072 */ 073 public static URL convertFileToURL( String filePath ) throws MalformedURLException { 074 CheckArg.isNotEmpty(filePath, "filePath"); 075 File file = new File(filePath.trim()); 076 return file.toURI().toURL(); 077 } 078 079 }