Apache Camel – Calling a Method using the Class Component

Maven Dependencies

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

Service Class

package com.dineshkrish;

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

public class MyService {

	public void doSomething(Object message) {

		System.out.println(message);
	}
}

Example Program

package com.dineshkrish;

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

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

public class CallMethodCamel_1 {

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

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

		// adding the routes to context
		context.addRoutes(new RouteBuilder() {

			@Override
			public void configure() throws Exception {
				from("direct:start").to("class:com.dineshkrish.MyService?method=doSomething");
			}
		});

		// start the context
		context.start();

		// creating a producer template
		ProducerTemplate template = context.createProducerTemplate();

		// trigger the route
		template.sendBody("direct:start", "Your message goes here....");

		// 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.
Your message goes here....

Hello, folks, I am a founder of dineshkrish.com. I love Java and Open source technologies, If you find my tutorials are useful, please consider making donations to these charities.