JmsRequestReply.java

package net.nicoll.scratch.spring.boot.jms.sync;

import javax.jms.ConnectionFactory;

import org.apache.activemq.ActiveMQConnectionFactory;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.annotation.MessagingGateway;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.config.EnableIntegration;
import org.springframework.integration.jms.JmsOutboundGateway;
import org.springframework.jms.connection.CachingConnectionFactory;
import org.springframework.jms.listener.DefaultMessageListenerContainer;
import org.springframework.jms.listener.adapter.MessageListenerAdapter;
import org.springframework.messaging.MessageChannel;

/**
 * @author Gary Russell
 */
@EnableAutoConfiguration
@EnableIntegration
@IntegrationComponentScan
@Configuration
public class JmsRequestReply {


	public static void main(String[] args) {
		ConfigurableApplicationContext ctx = new SpringApplication(JmsRequestReply.class).run();
		ClientGateway gateway = ctx.getBean(ClientGateway.class);
		System.out.println("--------- Sending foo and waiting for reply --------");
		System.out.println(gateway.sendAndReceive("foo"));
		System.out.println("----------------------------------------------------");
		ctx.close();
	}


	@MessagingGateway(defaultRequestChannel = "requests")
	public interface ClientGateway {

		String sendAndReceive(String toSend);

	}

	@Bean
	public MessageChannel requests() {
		return new DirectChannel();
	}

	@Bean
	@ServiceActivator(inputChannel = "requests")
	public JmsOutboundGateway jmsGateway() {
		JmsOutboundGateway gateway = new JmsOutboundGateway();
		gateway.setConnectionFactory(connectionFactory());
		gateway.setRequestDestinationName("test.out");
		gateway.setReplyDestinationName("test.in");
		gateway.setCorrelationKey("JMSCorrelationID");
		return gateway;
	}

	@Bean
	public ConnectionFactory connectionFactory() {
		return new CachingConnectionFactory(
				new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false"));
	}


	@Bean
	public DefaultMessageListenerContainer responder() {
		DefaultMessageListenerContainer container = new DefaultMessageListenerContainer();
		container.setConnectionFactory(connectionFactory());
		container.setDestinationName("test.out");
		MessageListenerAdapter adapter = new MessageListenerAdapter(new Object() {

			@SuppressWarnings("unused")
			public String handleMessage(String in) {
				return in.toUpperCase();
			}

		});
		container.setMessageListener(adapter);
		return container;
	}

}