>
> Completing a route with a Tuple3[StatusCode, Seq[HttpHeader], T] doesn't
> seem to work for me.
Ensure your headers collection is an instance of immutable.Seq. E.g.:
import collection.immutable._
complete( (OK, Seq(`Cache-Control`(`no-cache`)), responseEntity) )
Works for me.
Mark
On Thursday, March 12, 2015 at 12:18:28 AM UTC, Giovanni Alberto
Caporaletti wrote:
>
> This is what I came up with (I have another question below):
>
> def onSuccessHead(magnet: OnStreamSuccessHeadMagnet): Directive[magnet.Out] =
> {
> magnet.directive
> }
>
> trait OnStreamSuccessHeadMagnet {
> type Out
> def directive: Directive[Out]
> }
>
> object OnStreamSuccessHeadMagnet {
> import akka.http.server.directives.FutureDirectives._
>
> implicit def apply[T](s: Source[T, _])(implicit mat: ActorFlowMaterializer,
> tupler: Tupler[T]) = {
> new OnStreamSuccessHeadMagnet {
> type Out = tupler.Out
> val directive =
> onSuccess(s.runWith(Sink.head("SourceMarshallerHeadSink")): Future[T])
> }
> }
>
> }
>
>
> and the route:
>
> onSuccessHead(userService.createUser(req)) { newUser =>
> respondWithHeader(Location(s"/$v1/$user/${newUser.id}")) {
> complete(Created -> newUser)
> }
> }
>
>
>
> By the way, is there a way of extracting "constant" paths? e.g. my path is
> path("v1" / "user") but I don't want to have separate constants for v1 and
> user and something like path("some" / "path") { (some, path) => ...}
> doesn't work. In other words, how do you do reverse routing in spray/akka
> http?
>
> Thanks
> G
>
>
> On Thursday, 12 March 2015 00:10:24 UTC, Giovanni Alberto Caporaletti
> wrote:
>>
>> Hi,
>> Completing a route with a Tuple3[StatusCode, Seq[HttpHeader], T] doesn't
>> seem to work for me. My json4s marshaller serializes the whole tuple as an
>> object. Tuple2[StatusCode, T] works instead.
>> Are there any plans to implement it?
>>
>> What's the best way to add headers to a response anyway? In my case the
>> header depends on a future (or, well, on a materialization of a stream).
>>
>>
>> Thank you
>>
>> Cheers
>> G
>>
>
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>>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
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