    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.configuration2.io;
    018
    019/**
    020 * <p>
    021 * An adapter class simplifying the implementation of custom
    022 * {@code FileHandlerListener} classes.
    023 * </p>
    024 * <p>
    025 * This class provides empty dummy implementations for all methods defined by
    026 * the {@code FileHandlerListener} interface. Custom listener implementations
    027 * can extend this adapter class and override only the methods they actually
    028 * need.
    029 * </p>
    030 *
    031 * @since 2.0
    032 */
    033public class FileHandlerListenerAdapter implements FileHandlerListener
    034{
    035    @Override
    036    public void loading(final FileHandler handler)
    037    {
    038    }
    039
    040    @Override
    041    public void loaded(final FileHandler handler)
    042    {
    043    }
    044
    045    @Override
    046    public void saving(final FileHandler handler)
    047    {
    048    }
    049
    050    @Override
    051    public void saved(final FileHandler handler)
    052    {
    053    }
    054
    055    @Override
    056    public void locationChanged(final FileHandler handler)
    057    {
    058    }
    059}