from spray to akka http - multi layer routes with actors

[James]

We have bene  using spray and pretty happy about it. The way we use spray on our production is like this.

------------------------------

trait HttpRootActor extends HttpService with TokenAuthenticator {

  implicit def executionContext = actorRefFactory.dispatcher

  implicit val timeout = ActorDict.timeout

  val httpRootRoute = {

    pathPrefix("t1") {

        user: AppUser =>

          ctx => ActorDict.testService1 ! ctx

    } ~ pathPrefix("t2") {

        user: AppUser =>

          ctx => ActorDict.testService2 ! ctx

    } 

  }

}

class TestService1 extends Actor with HttpTestService1 {

  def actorRefFactory = context

  def receive = runRoute(testService1tRoute)

}

trait HttpTestService1 extends HttpService {

  implicit val timeout = ActorDict.timeout

  implicit def executionContext = actorRefFactory.dispatcher

  val testService1tRoute = {

  post {

    pathEnd  {

          import  UserJsonProtocol._

          import spray.httpx.SprayJsonSupport._

 entity(as[User]) {

     user => {

            complete(Map("status"->"OK").toJson.compactPrint)

          }

 

        } 

      }  

    }

  }

}

-------------------------

We are not quite sure how to do this with new AKKA http since there is no HttpService available any more.

Thank you very much!

James

[Akka Team]

The HttpService trait in Spray is a pretty thin thing, so if you really like that style you can probably mimic it yourself to get the corresponding setup with Akka HTTP, read up on the Http API of Akka and take a look at the Spray sources and you should be able to figure it out.

The big difference would be that you want to end up with a Route that you Http().bindAndHandle rather than the explicit receive block of HttpService.

Samples in our docs: http://doc.akka.io/docs/akka/2.4/scala/http/routing-dsl/index.html

--

Johan

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