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.commons.io.monitor;
018
019import java.io.File;
020
021/**
022 * Convenience {@link FileAlterationListener} implementation that does nothing.
023 * 
024 * @see FileAlterationObserver
025 * @version $Id: FileAlterationListenerAdaptor.java 1304062 2012-03-22 21:10:46Z sebb $
026 * @since 2.0
027 */
028public class FileAlterationListenerAdaptor implements FileAlterationListener {
029
030    /**
031     * File system observer started checking event.
032     *
033     * @param observer The file system observer (ignored)
034     */
035    public void onStart(final FileAlterationObserver observer) {
036    }
037
038    /**
039     * Directory created Event.
040     * 
041     * @param directory The directory created (ignored)
042     */
043    public void onDirectoryCreate(final File directory) {
044    }
045
046    /**
047     * Directory changed Event.
048     * 
049     * @param directory The directory changed (ignored)
050     */
051    public void onDirectoryChange(final File directory) {
052    }
053
054    /**
055     * Directory deleted Event.
056     * 
057     * @param directory The directory deleted (ignored)
058     */
059    public void onDirectoryDelete(final File directory) {
060    }
061
062    /**
063     * File created Event.
064     * 
065     * @param file The file created (ignored)
066     */
067    public void onFileCreate(final File file) {
068    }
069
070    /**
071     * File changed Event.
072     * 
073     * @param file The file changed (ignored)
074     */
075    public void onFileChange(final File file) {
076    }
077
078    /**
079     * File deleted Event.
080     * 
081     * @param file The file deleted (ignored)
082     */
083    public void onFileDelete(final File file) {
084    }
085
086    /**
087     * File system observer finished checking event.
088     *
089     * @param observer The file system observer (ignored)
090     */
091    public void onStop(final FileAlterationObserver observer) {
092    }
093
094}