I'm trying to understand how to best deal with sending an async request to a web service

measures.scala

  def measures(user: User): List[Measure] = {
    val prefs = UserPreferences.findByUser(user) // get my prefs
    val request = generateRequest(prefs) // build up a WS request
    val promise = WS.url(exportEndpoint).post(request)
    promise.orTimeout(Nil, 100000).map { responseOrTimeout =>
      responseOrTimeout.fold(
        response => {
          val body = promise.value.get.body
          val lines = body.split("\n").map(_.split(","))
          lines.map {
            case Array(a, b, c) => Measure(
              a.substring(1, a.length() - 1),
              dateFrom(b.substring(1, b.length() - 1)),
              c.substring(1, c.length() - 1).toDouble)
          }.toList
        },
        timeout => Nil)
    }.value.get
  }

I was looking at http://www.playframework.org/documentation/2.0.1/ScalaAsync and am trying to understand how to deal with a timeout on an external WS call. The WS client API hands me a play.libs.F.Promise[play.libs.WS.Response], while the examples are using a play.api.libs.concurrent.Promise[play.libs.WS.Response]. How should I be approaching this?

You should use play.api.libs.ws.WS and NOT the one under play.libs._
Everything unser play.libs is for java, everything under play.api is for Scala

Thanks - now things are making more sense. I made changes to the gist to reflect the correct API.