spray file upload example

ClientFileUpload.scala

import akka.actor.ActorSystem
import spray.client.pipelining._
import spray.http.{MediaTypes, BodyPart, MultipartFormData}

object UploadFileExample extends App {
  implicit val system = ActorSystem("simple-spray-client")
  import system.dispatcher // execution context for futures below

  val pipeline = sendReceive
  val payload = MultipartFormData(Seq(BodyPart(new File("/tmp/test.pdf"), "datafile", MediaTypes.`application/pdf`)))
  val request =
    Post("http://localhost:8080/file-upload", payload)

  pipeline(request).onComplete { res =>
    println(res)
    system.shutdown()
  }
}