Hi,
I have a question regarding custom marshallers and how to apply them in routes.
My goal is to respond with JSON representations of person objects, using a
custom media type 'application/vnd.foo.person+json’.
I have a case class and implicit spray-json formats
case class Person(firstname:String, surname:String)
I also have written a media type and a marshaller:
val m = MediaType.custom("application/vnd.foo.person+json",
MediaType.Encoding.Fixed(HttpCharsets.`UTF-8`))
implicit def PersonMarshaller[T](implicit writer: RootJsonWriter[T], printer:
JsonPrinter = PrettyPrinter): ToEntityMarshaller[Person] =
Marshaller.StringMarshaller.wrap(ContentType(m))(p => printer.apply(p.toJson))
And I have the following route where I just cannot figure out the correct
directive to have akka-http apply the implicit marshaller
def status(statusActor: ActorRef) = {
path("status") {
get {
complete {
val f:Future[Person] = …. obtain future person object from some
foo.findPerson(…)
f.map(p =>
? <———————— what to do here?
)
}
}
}
}
Can anyone enlighten me?
I tried with
f.map(p => HttpResponse(entity = HttpEntity(m, p)))
but HttpEntity does not seem to be the place to hand the ‘domain object’ to
I also tried
HttpResponse(entity = p)
assuming the marshaller would be used to turn Person into Entity but that
doesn’t compile either
Jan
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