gistfile1.scala

path("metric" / Segment) { location =>
  val _uri = "http://<url>/api/crowd_api/metric?mode=Select&location=" + location
  val _result = scala.io.Source.fromURL(_uri).mkString
  val _xml = XML.loadString(_result)
  val _crowd = _xml \\ "crowd"
 
  case class Crowd(c_location: String, c_metric: String)
  implicit def CrowdCodecJson: CodecJson[Crowd] = casecodec2(Crowd.apply, Crowd.unapply)("c_location", "c_metric")
 
  val crowd_ = _crowd.map{ n =>
    val location = (n \ "location").text
    val crowd_metric = (n \ "crowd_metric").text
    ("metric" := crowd_metric) ->: ("location" := location) ->: jEmptyObject
  }.toList.asJson
 
                 
  val cm_output = crowd_
 
  get { ctx => ctx.complete(cm_output) }
}