Support for scala.concurrent.Future in Lift REST.

Tags.scala

object Converter extends Loggable {
  implicit def scalaconcfuture2LiftResponse[T <% LiftResponse](fut: Future[T])(implicit ec: ExecutionContext): () => Box[LiftResponse] = {
    RestContinuation.async { finish =>
      fut.onComplete {
        case Success(res) => finish(res)
        case Failure(ex) => 
          logger.error("error when completing request", ex)
          finish(InternalServerErrorResponse())
      }
    }
  }
}