Thanks, Joni.
I've been playing with just that for comprehension syntax over the
weekend. How would I do it if I had multiple packets?
{
"packets": [
{
"node": "00:1D:C9:00:04:9F",
"dt": 1254553581405,
"temp": 27.5
},
{
"node": "00:1D:C9:00:04:9E",
"dt": 1254553582405,
"temp": 24.3
}
]
}
I've had some problems iterating across the parsed results. If I do:
for {
json <- parse(s)
JField("node", JString(node)) <- json
JField("dt", JInt(dt)) <- json
JField("temp", JDouble(temp)) <- json
} yield .... // construct Packet here
I will end up with 8 Packets. Should I be doing something like JArray
(json) <- parse(s)?
Thanks for your help,
Peter
On Oct 4, 3:08 pm, Joni Freeman <freeman.j...@gmail.com> wrote:
> > I don't know how hard would it be to add this feature, so I don't know
> > if this is a reasonable request. This would make making JSON API
> > endpoints really easy for me and I hope for other people too.
>
> This certainly sounds like a reasonable feature request, I will take a
> deeper look at it.
>
> Meanwhile, you can use tmp case class as Kevin noted, or use for-
> comprehension to query the json. Something like:
>
> {
> "packet": {
> "node": "00:1D:C9:00:04:9F",
> "dt": 1254553581405,
> "temp": 27.5
> }
>
> }
>
> val json = parse(s)
> for {
> JField("node", JString(node)) <- json
> JField("dt", JInt(dt)) <- json
> JField("temp", JDouble(temp)) <- json
>
> } yield .... // construct Packet here
>
> That's a bit verbose but quite flexible. This test case contains more
> query
> examples:http://github.com/dpp/liftweb/blob/master/lift-json/src/test/scala/ne...
>
> Cheers Joni
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