Fully asynchronous http client call using akka-http will work in all cases, even with chunked responses ! / published by https://github.com/dacr/code-examples-manager #287b4108-ff5a-4abf-af9c-ec3d1422a883/3e844d0801371eef1ed3f8f3e7b75eea9cd75615

akka-http-client-simple.sc

// summary : Fully asynchronous http client call using akka-http will work in all cases, even with chunked responses !
// keywords : scala, actors, akka, http-client, client
// publish : gist
// authors : David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : 287b4108-ff5a-4abf-af9c-ec3d1422a883
// created-on : 2018-06-19T19:10:04Z
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "2.13.14"
//> using dep "com.typesafe.akka::akka-http:10.2.7"
//> using dep "com.typesafe.akka::akka-stream:2.6.18"
// ---------------------

import akka.http.scaladsl._
import akka.http.scaladsl.model._
import akka.http.scaladsl.unmarshalling.Unmarshal

import scala.concurrent._
import scala.concurrent.duration._

object TestThat {
  implicit val system = akka.actor.ActorSystem("MySystem")
  implicit val executionContext = system.dispatcher

  val uri = s"http://www.chezmoicamarche.fr"
  val futureResponse = Http().singleRequest(HttpRequest(uri = uri))

  val futureResult = futureResponse.flatMap { response => Unmarshal(response.entity).to[String] }

  val lastFuture = futureResult.map(println).andThen(_ => system.terminate())

  // Do not exit before the future has completed ;)
  def andWait():Unit = Await.ready(lastFuture, 5.seconds)
}

TestThat.andWait()