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}