def apply()

in server/src/main/scala/com/twitter/server/handler/ServerRegistryHandler.scala [81:114]


  def apply(req: Request): Future[Response] = {
    val uri = Uri.fromRequest(req)
    uri.path.stripPrefix(uriPrefix) match {
      case idx @ ("index.html" | "index.htm" | "index.txt" | "servers") =>
        val servers = (registry.registrants.flatMap {
          case e: StackRegistry.Entry if e.name.nonEmpty =>
            for (scope <- findScope(e.name)) yield (scope, e)

          case _ => Nil
        }).toSeq
        val html = ServerRegistryHandler.render(servers)
        // This is useful to avoid the returned fragment being wrapped
        // with an index in the context of an ajax call.
        val typ = if (idx.endsWith(".txt")) "text/plain" else "text/html"
        newResponse(
          contentType = s"$typ;charset=UTF-8",
          content = Buf.Utf8(html)
        )

      case name =>
        val decodedName = URLDecoder.decode(name, StandardCharsets.UTF_8.name)
        val entries = registry.registrants filter { _.name == decodedName }
        if (entries.isEmpty) new404(s"$name could not be found.")
        else {
          val server = entries.head
          val scope = findScope(server.name)
          val html = StackRegistryView.render(server, scope)
          newResponse(
            contentType = "text/html;charset=UTF-8",
            content = Buf.Utf8(html)
          )
        }
    }
  }