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.vfs2.events;
018
019import org.apache.commons.vfs2.FileChangeEvent;
020import org.apache.commons.vfs2.FileListener;
021import org.apache.commons.vfs2.FileObject;
022
023/**
024 * A change event that knows how to notify a listener.
025 */
026public abstract class AbstractFileChangeEvent extends FileChangeEvent {
027
028    /**
029     * Constructs a new instance for subclasses.
030     *
031     * @param fileObject the file object.
032     */
033    public AbstractFileChangeEvent(final FileObject fileObject) {
034        super(fileObject);
035    }
036
037    /**
038     * Notifies the given file listener of this event.
039     *
040     * @param fileListener The file listener to notify.
041     * @throws Exception Anything can happen.
042     */
043    public abstract void notify(FileListener fileListener) throws Exception;
044}