jp.pigumer.web.StompConfig.java Source code

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Here is the source code for jp.pigumer.web.StompConfig.java

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/*
 * Copyright 2016 Pigumer Group.
 *
 * 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
 *
 *    http://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 jp.pigumer.web;

import java.util.logging.Level;
import java.util.logging.Logger;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.simp.config.ChannelRegistration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.messaging.simp.stomp.StompCommand;
import org.springframework.messaging.simp.stomp.StompHeaderAccessor;
import org.springframework.messaging.support.ChannelInterceptorAdapter;
import org.springframework.web.socket.config.annotation.AbstractWebSocketMessageBrokerConfigurer;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import org.springframework.web.socket.server.HandshakeHandler;

@Configuration
@EnableWebSocketMessageBroker
public class StompConfig extends AbstractWebSocketMessageBrokerConfigurer {

    private static final Logger LOGGER = Logger.getLogger(StompConfig.class.getName());

    @Bean
    public HandshakeHandler createHandshakeHandler() {
        return new UserHandshakeHandler();
    }

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("sample").setHandshakeHandler(createHandshakeHandler());
    }

    @Override
    public void configureMessageBroker(MessageBrokerRegistry registry) {
        registry.setApplicationDestinationPrefixes("/user");
        registry.enableSimpleBroker("/queue", "/topic");
    }

    @Override
    public void configureClientInboundChannel(ChannelRegistration registration) {
        registration.setInterceptors(new ChannelInterceptorAdapter() {
            @Override
            public Message<?> preSend(Message<?> message, MessageChannel channel) {
                StompHeaderAccessor accessor = StompHeaderAccessor.wrap(message);
                if (accessor.getCommand() == StompCommand.SUBSCRIBE) {
                    LOGGER.log(Level.INFO, String.format("%s: %s", channel, message));
                }
                return message;
            }
        });
    }

}