001/*
002 * Copyright 2002-2014 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.web.socket.config.annotation;
018
019import java.util.List;
020
021import org.springframework.messaging.converter.MessageConverter;
022import org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver;
023import org.springframework.messaging.handler.invocation.HandlerMethodReturnValueHandler;
024import org.springframework.messaging.simp.config.ChannelRegistration;
025import org.springframework.messaging.simp.config.MessageBrokerRegistry;
026
027/**
028 * A convenient abstract base class for {@link WebSocketMessageBrokerConfigurer}
029 * implementations providing empty method implementations for optional methods.
030 *
031 * @author Rossen Stoyanchev
032 * @since 4.0.1
033 */
034public abstract class AbstractWebSocketMessageBrokerConfigurer implements WebSocketMessageBrokerConfigurer {
035
036
037        @Override
038        public void configureWebSocketTransport(WebSocketTransportRegistration registration) {
039        }
040
041        @Override
042        public void configureClientInboundChannel(ChannelRegistration registration) {
043        }
044
045        @Override
046        public void configureClientOutboundChannel(ChannelRegistration registration) {
047        }
048
049        @Override
050        public boolean configureMessageConverters(List<MessageConverter> messageConverters) {
051                return true;
052        }
053
054        @Override
055        public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
056        }
057
058        @Override
059        public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
060        }
061
062        @Override
063        public void configureMessageBroker(MessageBrokerRegistry registry) {
064        }
065
066}