Hi David, thanks for the response.
Thanks, that gets it compiling, and I think I see what it does.
Is the right way to proceed if I want to return JSON (rather than
XML)?
- Alex
On Oct 8, 2:17 pm, David Pollak <feeder.of.the.be...@gmail.com> wrote:
> In order to use the XMLApiHelper trait, you must define an outer-most XML
> Elem that will wrap the response.
> For example:
>
> def createTag(in: NodeSeq): Elem = <foo_co_rest>{in}</foo_co_rest>
>
> Now... if your stuff already does the wrapping in the outer-most Elem, you
> can do:
>
> def createTag(in: NodeSeq): Elem = in.flatMap{case e: Elem => List(e) case _
> => Nil}.firstOption getOrElse <blank/>
>
>
>
> On Thu, Oct 8, 2009 at 10:36 AM, Alex Black <a...@alexblack.ca> wrote:
>
> > I'm getting started with Scala and Lift, implementing a simple REST
> > service. I've extended XMLApiHelper, following examples in "Exploring
> > Lift", but I'm getting a compile error I'm not sure about, any
> > suggestions?
>
> > error:
>
> > class RestAPI needs to be abstract, since method createTag in trait
> > XMLApiHelper of type (scala.xml.NodeSeq)scala.xml.Elem is not defined
> > RestAPI.scala /poc/src/main/scala/com/somecompany/api Unknown Scala
> > Problem
>
> > So its telling me I have to implement createTag... but, I don't know
> > how to :) Also, the examples i've seen don't seem to implement it,
> > making me think I'm doing something wrong.
>
> > package com.somecompany.api
>
> > import _root_.net.liftweb.util._
> > import _root_.net.liftweb.http._
> > import Helpers._
>
> > import net.liftweb.http.rest.XMLApiHelper
>
> > class RestAPI extends XMLApiHelper {
> > def dispatch: LiftRules.DispatchPF = {
>
> > case Req(List("api", "camera", cameraId), "", DeleteRequest) =>
> > () => deleteCamera(cameraId)
>
> > // Invalid API request - route to our error handler
> > case Req(List("api", _), "", _) => failure _
> > }
>
> > def failure : LiftResponse = BadResponse()
>
> > def deleteCamera(cameraId : String) : LiftResponse = {
> > NoContentResponse()
>
> > }
>
> > }
>
> > Thanks!
>
> > - Alex
>
> --
> Lift, the simply functional web frameworkhttp://liftweb.net
> Beginning Scalahttp://www.apress.com/book/view/1430219890
> Follow me:http://twitter.com/dpp
> Surf the harmonics
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