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.logging.log4j.spring.cloud.config.client;
018
019import org.apache.logging.log4j.LogManager;
020import org.apache.logging.log4j.Logger;
021import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
022
023import org.springframework.cloud.bus.ConditionalOnBusEnabled;
024import org.springframework.cloud.bus.SpringCloudBusClient;
025import org.springframework.cloud.bus.event.RemoteApplicationEvent;
026import org.springframework.cloud.stream.annotation.EnableBinding;
027import org.springframework.cloud.stream.annotation.StreamListener;
028import org.springframework.context.event.EventListener;
029import org.springframework.stereotype.Component;
030
031@Component
032@ConditionalOnBusEnabled
033@EnableBinding(SpringCloudBusClient.class)
034@ConditionalOnProperty(value = "spring.cloud.config.watch.enabled")
035public class Log4j2EventListener {
036    private static Logger LOGGER = LogManager.getLogger(Log4j2EventListener.class);
037
038    @EventListener(classes = RemoteApplicationEvent.class)
039    public void acceptLocal(RemoteApplicationEvent event) {
040        LOGGER.debug("Refresh application event triggered");
041        WatchEventManager.publishEvent();
042    }
043
044    @StreamListener(SpringCloudBusClient.INPUT)
045    public void acceptRemote(RemoteApplicationEvent event) {
046        LOGGER.debug("Refresh application event triggered");
047        WatchEventManager.publishEvent();
048    }
049}