Github user pwendell commented on a diff in the pull request: https://github.com/apache/spark/pull/33#discussion_r10150334 --- Diff: core/src/main/scala/org/apache/spark/ui/JettyUtils.scala --- @@ -41,56 +46,103 @@ private[spark] object JettyUtils extends Logging { type Responder[T] = HttpServletRequest => T // Conversions from various types of Responder's to jetty Handlers - implicit def jsonResponderToHandler(responder: Responder[JValue]): Handler = + implicit def jsonResponderToHandler(responder: Responder[JValue]): HttpServlet = createHandler(responder, "text/json", (in: JValue) => pretty(render(in))) - implicit def htmlResponderToHandler(responder: Responder[Seq[Node]]): Handler = + implicit def htmlResponderToHandler(responder: Responder[Seq[Node]]): HttpServlet = createHandler(responder, "text/html", (in: Seq[Node]) => "<!DOCTYPE html>" + in.toString) - implicit def textResponderToHandler(responder: Responder[String]): Handler = + implicit def textResponderToHandler(responder: Responder[String]): HttpServlet = createHandler(responder, "text/plain") - def createHandler[T <% AnyRef](responder: Responder[T], contentType: String, - extractFn: T => String = (in: Any) => in.toString): Handler = { - new AbstractHandler { - def handle(target: String, - baseRequest: Request, - request: HttpServletRequest, + def createHandler[T <% AnyRef](responder: Responder[T], contentType: String, --- End diff -- and this could be... `createServlet`
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