Peter,

I'd suggest using the stuff in lift-json.  It's a much faster, richer way to
use JSON.

Thanks,

David

On Thu, Oct 1, 2009 at 4:31 PM, Peter Robinett <[email protected]>wrote:

>
> Hi all,
>
> Building off of a previous thread[1], I'm trying to parse a POST
> request that contains JSON data. Specifically, I expect a JSON array
> of JSON objects representing Packet model data and want to have a List
> [Packet] at the end.
>
> I am trying the following:
> val packets = for {
>        JSONPackets <- req.param("packets")
>        packet <- JSONParser.parse(JSONPackets)
>        nodeId <- packet.param("node")
>        node <- nodeId.toLong
> } yield {
>        val packet = Packet.create.node(node)
>        packet.save
>        packet
> }
>
> The problem is that JSONParser.parse returns a List[Any], so packet is
> of type Any. I can try to convert packet to a Map with
> packet.asInstanceOf[Map[String, String]], but this seems to just push
> my type problems to the next line of code. I'm having a hard time
> getting to the point where I have the Map[String, String] from which I
> know I can extract values to create Packets, so I would appreciate
> suggestions on how to do this.
>
> This all seems quite complicated and I wonder if I'm missing an easier
> way to do this. Is JSONParse the way to go, or should I switch to
> Joni's lift-json stuff? I'm using 1.1-M5 but would be willing to
> switch to 1.1-SNAPSHOT...
>
> Thanks for your help.
>
> Peter Robinett
>
> [1]
> http://groups.google.com/group/liftweb/browse_thread/thread/5ffe64492b0c19f2/c65424467bc99bbb
> [2] http://groups.google.com/group/liftweb/msg/c0103375623f788f
> >
>


-- 
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
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