001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.util.file; 018 019import java.io.File; 020import java.io.IOException; 021 022import org.apache.commons.io.FileDeleteStrategy; 023 024/** 025 * A {@link FileDeleteStrategy} that can delete folders. 026 */ 027public class FolderDeleteStrategy extends FileDeleteStrategy 028{ 029 /** 030 * Construct. 031 */ 032 protected FolderDeleteStrategy() 033 { 034 super("folder"); 035 } 036 037 @Override 038 public boolean deleteQuietly(final File folder) 039 { 040 if (folder == null || folder.isFile()) 041 { 042 return false; 043 } 044 045 File[] files = folder.listFiles(); 046 if (files != null) 047 { 048 for (File file : files) 049 { 050 if (file.isDirectory()) 051 { 052 deleteQuietly(file); 053 } 054 else 055 { 056 super.deleteQuietly(file); 057 } 058 } 059 } 060 061 return super.deleteQuietly(folder); 062 } 063 064 @Override 065 public void delete(final File folder) throws IOException 066 { 067 if (folder == null || folder.isFile()) 068 { 069 return; 070 } 071 072 File[] files = folder.listFiles(); 073 if (files != null) 074 { 075 for (File file : files) 076 { 077 super.delete(file); 078 } 079 } 080 } 081 082 083}