pekko/akka-docs/rst/scala/code/docs/camel/CustomRouteExample.scala

53 lines
1.8 KiB
Scala

package docs.camel
object CustomRouteExample {
{
//#CustomRouteExample
import akka.actor.{ Actor, ActorRef, Props, ActorSystem }
import akka.camel.{ CamelMessage, Consumer, Producer, CamelExtension }
import org.apache.camel.builder.RouteBuilder
import org.apache.camel.{ Exchange, Processor }
class Consumer3(transformer: ActorRef) extends Actor with Consumer {
def endpointUri = "jetty:http://0.0.0.0:8877/camel/welcome"
def receive = {
// Forward a string representation of the message body to transformer
case msg: CamelMessage transformer.forward(msg.bodyAs[String])
}
}
class Transformer(producer: ActorRef) extends Actor {
def receive = {
// example: transform message body "foo" to "- foo -" and forward result
// to producer
case msg: CamelMessage
producer.forward(msg.mapBody((body: String) "- %s -" format body))
}
}
class Producer1 extends Actor with Producer {
def endpointUri = "direct:welcome"
}
class CustomRouteBuilder extends RouteBuilder {
def configure {
from("direct:welcome").process(new Processor() {
def process(exchange: Exchange) {
// Create a 'welcome' message from the input message
exchange.getOut.setBody("Welcome %s" format exchange.getIn.getBody)
}
})
}
}
// the below lines can be added to a Boot class, so that you can run the
// example from a MicroKernel
val system = ActorSystem("some-system")
val producer = system.actorOf(Props[Producer1])
val mediator = system.actorOf(Props(new Transformer(producer)))
val consumer = system.actorOf(Props(new Consumer3(mediator)))
CamelExtension(system).context.addRoutes(new CustomRouteBuilder)
//#CustomRouteExample
}
}