log

2018-03-03 17:39:54.599  INFO 2182 --- [           main] com.example.RabbitmqUsers1Application    : FOO
2018-03-03 17:39:54.603  INFO 2182 --- [           main] com.example.RabbitmqUsers1Application    : BAR
2018-03-03 17:39:54.607  INFO 2182 --- [           main] com.example.RabbitmqUsers1Application    : BAZ

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.example</groupId>
	<artifactId>rabbitmq-users-1</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>rabbitmq-users-1</name>
	<description>Demo project for Spring Boot</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.0.0.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-amqp</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>


</project>

RabbitmqUsers1Application.java

@SpringBootApplication
public class RabbitmqUsers1Application {

	private final Logger logger = LoggerFactory.getLogger(RabbitmqUsers1Application.class);

	public static void main(String[] args) {
		SpringApplication.run(RabbitmqUsers1Application.class, args);
	}

	@Bean
	public ApplicationRunner runner(RabbitTemplate template) {
		return args -> {
			ParameterizedTypeReference<String> returnTypeString = new ParameterizedTypeReference<String>() { };
			logger.info(template.convertSendAndReceiveAsType("myExchange", "rk", "foo", returnTypeString));
			logger.info(template.convertSendAndReceiveAsType("myExchange", "rk", "bar", returnTypeString));
			logger.info(template.convertSendAndReceiveAsType("myExchange", "rk", "baz", returnTypeString));
		};
	}

	@RabbitListener(queues = "myQueue")
	public String upCase(String in) {
		return in.toUpperCase();
	}

	@Bean
	public MessageConverter jsonConverter() {
		return new Jackson2JsonMessageConverter();
	}

	@Bean
	public DirectExchange exchange() {
		return new DirectExchange("myExchange");
	}

	@Bean
	public Queue queue() {
		return new Queue("myQueue");
	}

	@Bean
	public Binding binding() {
		return BindingBuilder.bind(queue()).to(exchange()).with("rk");
	}

}