On Jun 21, 2013, at 12:38 PM, Doug Hellmann <doug.hellm...@dreamhost.com> wrote:

> 
> 
> 
> On Thu, Jun 20, 2013 at 2:00 PM, Vishvananda Ishaya <vishvana...@gmail.com> 
> wrote:
> 
> On Jun 20, 2013, at 10:22 AM, Brant Knudson <b...@acm.org> wrote:
> 
>> How about a mapping of JSON concepts to XML like:
>> 
>> collections:
>> <object> <pair name="pair-name"> the-value </pair> ... </object>
>> <array> <element> the-value </element> ... </array>
>> 
>> values:
>> <string>text</string>
>> <true/>
>> <false/>
>> <null/>
>> <number>number</number>
>> 
>> This type of mapping would remove any ambiguities. Ambiguities and 
>> complexity are problems I've seen with the XML-JSON mapping in Keystone. 
>> Plus the fact that it's so not-XML would convince users to switch to JSON. 
>> With a simple mapping, I don't think it would be necessary to test all the 
>> interfaces for both XML and JSON, just test the mapping code.
> 
> +1 for something like this. JSON primary + autgenerated XML. I think the 
> ideal version would be autogeneration of xml from jsonschema and some method 
> for prettifying the xml representation via jsonschema tags. The jsonschema + 
> tags approach is probably a bit further off (maybe for v4?), so having an 
> auto conversion which is ugly but functional seems better than no XML support 
> at all.
> 
> Vish
> 
> Let's please not invent something new for this. We're building a high level 
> platform. We shouldn't have to screw around with making so many low level 
> frameworks to do things for which tools already exist. WSME will handle 
> serialization, cleanly, in both XML and JSON already. Let's just use that.
> 
> Doug

Doug,

Switching to WSME for v3 is out of scope at this point I think. Definitely 
worth considering for v4 though.

Vish

>  
> 
>> 
>> 
>> 
>> On Thu, Jun 20, 2013 at 11:11 AM, Jorge Williams 
>> <jorge.willi...@rackspace.com> wrote:
>> 
>> On Jun 20, 2013, at 10:51 AM, Russell Bryant wrote:
>> 
>> > On 06/20/2013 11:20 AM, Brian Elliott wrote:
>> >> On Jun 19, 2013, at 7:34 PM, Christopher Yeoh <cbky...@gmail.com> wrote:
>> >>
>> >>> Hi,
>> >>>
>> >>> Just wondering what people thought about how necessary it is to keep XML 
>> >>> support for the Nova v3 API, given that if we want to drop it doing so 
>> >>> during the v2->v3 transition is pretty much the ideal time to do so.
>> >>>
>> >>> The current plan is to keep it and is what we have been doing so far 
>> >>> when porting extensions, but there are pretty obvious long term 
>> >>> development and test savings if we only have one API format to support.
>> >>>
>> >>> Regards,
>> >>>
>> >>> Chris
>> >>>
>> >>
>> >> Can we support CORBA?
>> >>
>> >> No really, it'd be great to drop support for it while we can.
>> >
>> > I agree personally ... but this has come up before, and when polling the
>> > larger audience (and not just the dev list), there is still a large
>> > amount of demand for XML support (or at least that was my
>> > interpretation).  So, I think it should stay.
>> >
>> > I'm all for anything that makes supporting both easier.  It doesn't have
>> > to be the ideal XML representation.  If we wanted to adopt different
>> > formatting to make supporting it easier (automatic conversion from json
>> > in the code I guess), I'd be fine with that.
>> >
>> 
>> 
>> I agree, we can change the XML representation to make it easy to convert 
>> between XML and JSON.  If I could go back in time, that would definitely be 
>> something I would do different.  3.0 gives us an opportunity to start over 
>> in that regard.    Extensions may still be "tricky" because you still want 
>> to use namespaces, but having a simpler mapping may simplify the process of 
>> supporting both.
>> 
>> -jOrGe W.
>> 
>> 
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