gistfile1.scala

package com.example.foobie

import unfiltered.jetty.Http
import unfiltered.response._
import unfiltered.request._

trait Resolver[A] {
  type B
}

object Format {
  def unapply[A](req: HttpRequest[A])(implicit resolver: Resolver[A]) = {
    val f = (pf: PartialFunction[HttpRequest[A], ResponseFunction[resolver.B]]) => pf(req)
    Some(f)
  }
}

object App {

  implicit val servlet = new Resolver[javax.servlet.http.HttpServletRequest] {
    type B = javax.servlet.http.HttpServletResponse
  }

  def main(args: Array[String]) {

    Http(8080).plan(unfiltered.filter.Planify {
      case Format(f) => f {
      	case Accepts.Json(_) => JsonContent ~> ResponseString("{}")
      	case _ => ResponseString("ko")
      }

      /*case req => req match {                                                                                                                                                                                                             
        case Accepts.Json(_) => JsonContent ~> ResponseString("{}")                                                                                                                                                                         
        case _ => ResponseString("ko")                                                                                                                                                                                                      
      }*/
    }) run()

  }
}