Simple REST example in Play 2

gistfile1.scala

//routes file
GET    /ping/:message               controllers.Application.restCall(message: String) 


//Then my controller
object Application extends Controller {

  case class SomeMessage(m: String)
  implicit val someMessageFormat: Format[SomeMessage] = Json.format[SomeMessage]
  
  def restCall(bar: String) = Action {
    Async {
      Akka.future(SomeMessage(s"pong ${bar}")).map(m => Ok(Json.toJson(m)))
    }
  }
}