I think it depends on the type, indeed some types will allow for empty
content (like strings) but others i believe do not. Or maybe i am just
wrong about that....
On Wed, Aug 22, 2012 at 9:07 AM, Andrea Aime
<[email protected]>wrote:
> On Wed, Aug 22, 2012 at 5:18 PM, Justin Deoliveira
> <[email protected]>wrote:
>
>> Well this discussion came up actually before during the development of
>> the wfs 1.1 spec and there were three options.
>>
>> 1. omit the element
>> 2. create an empty element
>> 3. use the xs:nil construct
>>
>> In the end (1) was decided upon. (2) I believe creates invalid xml
>> documents and (3) I can't remember.
>>
>> So long story short this would go against the specification so not
>> something we would want to do by default (perhaps by format_option?)
>>
>
> That's odd? I've just tried to replace elements in a GeoServer WFS
> response with empty ones, as follows:
>
> <wfs:FeatureCollection xmlns="http://www.opengis.net/wfs";
> xmlns:wfs="http://www.opengis.net/wfs"; xmlns:gml="
> http://www.opengis.net/gml";
> xmlns:GeoSolutions="http://www.geo-solutions.it"; xmlns:xsi="
> http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://www.opengis.net/wfs
> http://demo1.geo-solutions.it:80/geoserver-enterprise/schemas/wfs/1.0.0/WFS-basic.xsd
> http://www.geo-solutions.it
> http://demo1.geo-solutions.it:80/geoserver-enterprise/GeoSolutions/wfs?service=WFS&version=1.0.0&request=DescribeFeatureType&typeName=GeoSolutions%3Acities<http://demo1.geo-solutions.it:80/geoserver-enterprise/GeoSolutions/wfs?service=WFS&version=1.0.0&request=DescribeFeatureType&typeName=GeoSolutions%3Acities>
> ">
> <gml:boundedBy>
> <gml:null>unknown</gml:null>
> </gml:boundedBy>
> <gml:featureMember>
> <GeoSolutions:cities fid="cities.1">
> <GeoSolutions:the_geom>
> <gml:Point srsName="http://www.opengis.net/gml/srs/epsg.xml#4326";>
> <gml:coordinates xmlns:gml="http://www.opengis.net/gml";
> decimal="." cs="," ts=" ">-16.2617,28.4623</gml:coordinates>
> </gml:Point>
> </GeoSolutions:the_geom>
> <GeoSolutions:TYPE />
> <GeoSolutions:NATION />
> <GeoSolutions:CNTRYNAME>Spain</GeoSolutions:CNTRYNAME>
> <GeoSolutions:LEVEL>1</GeoSolutions:LEVEL>
> <GeoSolutions:NAME>Santa Cruz de Tenerife</GeoSolutions:NAME>
> <GeoSolutions:NAMEPRE />
> <GeoSolutions:CODE />
> <GeoSolutions:PROVINCE>38</GeoSolutions:PROVINCE>
> <GeoSolutions:PROVNAME>Santa Cruz de Tenerife</GeoSolutions:PROVNAME>
> <GeoSolutions:UNPROV>0</GeoSolutions:UNPROV>
> <GeoSolutions:CONURB />
> </GeoSolutions:cities>
> </gml:featureMember>
> </wfs:FeatureCollection>
>
> Eclipse says the above document is valid (that GeoServer is available to
> the internet so you
> can try out validation yourself)
>
> Cheers
> Andrea
>
> --
> ==
> Our support, Your Success! Visit http://opensdi.geo-solutions.it for more
> information.
> ==
>
> Ing. Andrea Aime
> @geowolf
> Technical Lead
>
> GeoSolutions S.A.S.
> Via Poggio alle Viti 1187
> 55054 Massarosa (LU)
> Italy
> phone: +39 0584 962313
> fax: +39 0584 962313
> mob: +39 339 8844549
>
> http://www.geo-solutions.it
> http://twitter.com/geosolutions_it
>
> -------------------------------------------------------
>
>
--
Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.
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