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; 020 021import org.apache.commons.io.FileCleaningTracker; 022import org.apache.commons.io.FileDeleteStrategy; 023 024/** 025 * Default implementation of {@link IFileCleaner} that uses Apache commons-io 026 * {@link FileCleaningTracker} to track and clean the temporary created files. 027 * <p> 028 * Note: this implementation starts a daemon thread to do the actual work, so it may not be used in 029 * some environments like Google AppEngine. 030 */ 031public class FileCleaner implements IFileCleaner 032{ 033 private final FileCleaningTracker cleaner; 034 035 /** 036 * Construct. 037 */ 038 public FileCleaner() 039 { 040 cleaner = new FileCleaningTracker(); 041 } 042 043 @Override 044 public void track(final File file, final Object marker) 045 { 046 cleaner.track(file, marker); 047 } 048 049 @Override 050 public void track(final File file, final Object marker, FileDeleteStrategy deleteStrategy) 051 { 052 cleaner.track(file, marker, deleteStrategy); 053 } 054 055 @Override 056 public void destroy() 057 { 058 cleaner.exitWhenFinished(); 059 } 060}