jsonp renderer for bowler

gistfile1.sbt

class JsonpViewRenderer extends JsonViewRenderer {

  var nameOfCallbackParameter = "callback"

  private def jsonWithPadding(renderJson: => Unit, request: Request, response: Response) = {
    val callbackOption = request.getStringParameter(nameOfCallbackParameter)
    callbackOption match {
      case None => renderJson
      case Some(callback) => {
        response.getWriter.write(callback + "(")
        renderJson
        response.getWriter.write(")")
      }
    }
  }

  override def renderView(request : Request, response : Response, models : Seq[scala.Any]) : Unit = {
    jsonWithPadding(super.renderView(request, response, models), request, response)
  }

  override def  renderView(request : Request, response : Response) : Unit = {
    jsonWithPadding(super.renderView(request, response), request, response)
  }
}