    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 {@code FileHandlerListener} classes.
    022 * </p>
    023 * <p>
    024 * This class provides empty dummy implementations for all methods defined by the {@code FileHandlerListener} interface.
    025 * Custom listener implementations can extend this adapter class and override only the methods they actually need.
    026 * </p>
    027 *
    028 * @since 2.0
    029 */
    030public class FileHandlerListenerAdapter implements FileHandlerListener {
    031    @Override
    032    public void loading(final FileHandler handler) {
    033    }
    034
    035    @Override
    036    public void loaded(final FileHandler handler) {
    037    }
    038
    039    @Override
    040    public void saving(final FileHandler handler) {
    041    }
    042
    043    @Override
    044    public void saved(final FileHandler handler) {
    045    }
    046
    047    @Override
    048    public void locationChanged(final FileHandler handler) {
    049    }
    050}