Apache Camel – Producer and Consumer Template

Maven Dependencies

<dependency>
	<groupId>org.apache.camel</groupId>
	<artifactId>camel-core</artifactId>
	<version>${camel-version}</version>
</dependency>

Example Program

package com.dineshkrish.example31;

import org.apache.camel.CamelContext;
import org.apache.camel.ConsumerTemplate;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.DefaultCamelContext;

/**
 * 
 * @author Dinesh Krishnan
 *
 */

public class ProducerAndConsumer {

	public static void main(String[] args) throws Exception {

		// creating a camel context
		CamelContext context = new DefaultCamelContext();

		// adding routes to camel context
		context.addRoutes(new RouteBuilder() {
			@Override
			public void configure() throws Exception {
				from("direct:start").to("seda:end");
			}
		});

		// start the context
		context.start();

		// producer template
		ProducerTemplate producerTemplate = context.createProducerTemplate();
		producerTemplate.sendBody("direct:start", "This message sent by producer");

		// consumer template
		ConsumerTemplate consumerTemplate = context.createConsumerTemplate();
		String message = consumerTemplate.receiveBody("seda:end", String.class);

		System.out.println(message);

		// stop the context
		context.stop();
	}
}

Output

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
This message sent by producer

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