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from Play Framework Async IO

curl -ks https://gist.github.com/nicerobot/6016414/raw/run.sh | bash -

play-121.scala

// 
package controllers

import play.api.mvc.Action
import play.api.mvc.Controller
import play.api.libs.ws.WS
import scala.concurrent.Future
import play.api.libs.json.Json
import play.api.libs.json.JsValue
import play.api.libs.concurrent.Execution.Implicits._

object Application extends Controller {
  def timed(url: String):Future[Timing] = {
		val start = System.currentTimeMillis()
		WS.url(url).get().map(_ => Timing(url, System.currentTimeMillis() - start))
	}
	case class Timing(url: String, latency: Long)
  implicit val hogeFormat = Json.format[Timing]

	def index = Action {
		val yahoo = timed("http://www.yahoo.com")
		val google = timed("http://www.google.com")
		val bing = timed("http://www.bing.com")
		
		val all = Future.sequence(Seq(yahoo, google, bing))
		Async {
			all.map(timings => Ok(Json.toJson(timings)))
		}
	}

}

run.sh

#!/bin/bash
which play >/dev/null || {
  [ -f play-2.1.2.zip ] || curl -O http://downloads.typesafe.com/play/2.1.2/play-2.1.2.zip
  [ -d play-2.1.2 ] || unzip play-2.1.2.zip >/dev/null 2>&1 || exit ${LINENO}
  export PATH=${PWD}/play-2.1.2:${PATH}
}
which play >/dev/null || exit ${LINENO}
[ -d asyncio ] || play new asyncio<<<"$(printf '\n1\n')" || exit ${LINENO}
cd asyncio || exit ${LINENO}
(
  cd app/controllers && curl -ks -o Application.scala https://gist.github.com/nicerobot/6016414/raw/play-121.scala
) || exit ${LINENO}
play run