Akka/Scala example source code file (CustomRoute.scala)

This example Akka source code file (CustomRoute.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Akka and Scala source code examples by using tags.

All credit for the original source code belongs to akka.io; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Akka tags/keywords

actor, actorref, actorsystem, akka, camel, camelextension, camelmessage, customroute, customroutebuilder, option, routebuilder, string

The CustomRoute.scala Akka example source code

/**
 * Copyright (C) 2009-2014 Typesafe Inc. <http://www.typesafe.com>
 */

package docs.camel

import akka.camel.CamelMessage
import akka.actor.Status.Failure

import language.existentials

object CustomRoute {
  object Sample1 {
    //#CustomRoute
    import akka.actor.{ Props, ActorSystem, Actor, ActorRef }
    import akka.camel.{ CamelMessage, CamelExtension }
    import org.apache.camel.builder.RouteBuilder
    import akka.camel._
    class Responder extends Actor {
      def receive = {
        case msg: CamelMessage =>
          sender() ! (msg.mapBody {
            body: String => "received %s" format body
          })
      }
    }

    class CustomRouteBuilder(system: ActorSystem, responder: ActorRef)
      extends RouteBuilder {
      def configure {
        from("jetty:http://localhost:8877/camel/custom").to(responder)
      }
    }
    val system = ActorSystem("some-system")
    val camel = CamelExtension(system)
    val responder = system.actorOf(Props[Responder], name = "TestResponder")
    camel.context.addRoutes(new CustomRouteBuilder(system, responder))
    //#CustomRoute

  }
  object Sample2 {
    //#ErrorThrowingConsumer
    import akka.camel.Consumer

    import org.apache.camel.builder.Builder
    import org.apache.camel.model.RouteDefinition

    class ErrorThrowingConsumer(override val endpointUri: String) extends Consumer {
      def receive = {
        case msg: CamelMessage => throw new Exception("error: %s" format msg.body)
      }
      override def onRouteDefinition = (rd) => rd.onException(classOf[Exception]).
        handled(true).transform(Builder.exceptionMessage).end

      final override def preRestart(reason: Throwable, message: Option[Any]) {
        sender() ! Failure(reason)
      }
    }
    //#ErrorThrowingConsumer
  }

}