A simple HTTP sink that prints any message received and replies with "Hi!"

simplehttp.groovy

package crap

import org.apache.camel.*;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.language.groovy.GroovyRouteBuilder;
import org.apache.camel.processor.interceptor.*

@Grab (group = 'org.apache.camel', module = 'camel-groovy', version = '2.0-M2')
@Grab (group = 'org.apache.camel', module = 'camel-jetty', version = '2.0-M2')
@Grab (group = 'org.apache.camel', module = 'camel-http', version = '2.0-M2')
@Grab (group = 'org.apache.camel', module = 'camel-core', version = '2.0-M2')
class HttpRoutes extends GroovyRouteBuilder {
	public void configure() {
		def printMessage = { Exchange exchange ->
			if (exchange) {
				println exchange.getIn().getBody(String.class)
				exchange.out.body = "Hi!"
			}
		} as Processor;

		from("jetty:http://0.0.0.0:9999/printresponse").process(printMessage);
	}
}

def camelCtx = new DefaultCamelContext()
camelCtx.addRoutes(new HttpRoutes())
camelCtx.start()