Java tutorial
/* * Copyright 2002-2018 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.web.socket.config.annotation; import java.util.List; import org.springframework.messaging.converter.MessageConverter; import org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver; import org.springframework.messaging.handler.invocation.HandlerMethodReturnValueHandler; import org.springframework.messaging.simp.config.ChannelRegistration; import org.springframework.messaging.simp.config.MessageBrokerRegistry; /** * A convenient abstract base class for {@link WebSocketMessageBrokerConfigurer} * implementations providing empty method implementations for optional methods. * * @author Rossen Stoyanchev * @since 4.0.1 * @deprecated as of 5.0 in favor of simply using {@link WebSocketMessageBrokerConfigurer} * which has default methods, made possible by a Java 8 baseline. */ @Deprecated public abstract class AbstractWebSocketMessageBrokerConfigurer implements WebSocketMessageBrokerConfigurer { @Override public void configureWebSocketTransport(WebSocketTransportRegistration registration) { } @Override public void configureClientInboundChannel(ChannelRegistration registration) { } @Override public void configureClientOutboundChannel(ChannelRegistration registration) { } @Override public boolean configureMessageConverters(List<MessageConverter> messageConverters) { return true; } @Override public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) { } @Override public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) { } @Override public void configureMessageBroker(MessageBrokerRegistry registry) { } }