[Geoserver-devel] Extending RSS/ATOM to actually support GML3

GeoServer GeoServer Developer
1

Hi,
I’m looking into extending the RSS/atom output to actually support GML3.
By the looks of it the code is simply not there, the GML object is available
but the

public void encode(Geometry g, GeoRSSTranslatorSupport translator) {
}

for it has not been implemented.

Now, GeoServer can do GML3 encoding, but the Encoder cannot take
a GeoRSSTranslatorSupport object to do it… so I’m wondering what’s
the best way to handle this: shall we recode the geometry encoding
using the GeoRSSTranslatorSupport api (does not look like a daunting
task since we support only a limited number of geometries) or is there
any way to bridge the two worlds and use the Encoder to do it
sparing us from code duplication?

Cheers
Andrea

–

Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy

phone: +39 0584 962313
fax: +39 0584 962313
mob: +39 333 8128928

http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.youtube.com/user/GeoSolutionsIT
http://www.linkedin.com/in/andreaaime
http://twitter.com/geowolf

2

On Fri, Feb 25, 2011 at 11:15 AM, Andrea Aime <andrea.aime@anonymised.com…1268…> wrote:

Hi,
I’m looking into extending the RSS/atom output to actually support GML3.

Forgot a detail here. We’re looking into GML3 because we might need to implement
the Atom/GML profile which explicitly refers to GML3:
http://www.georss.org/gml

Cheers
Andrea

–

Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy

phone: +39 0584 962313
fax: +39 0584 962313
mob: +39 333 8128928

http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.youtube.com/user/GeoSolutionsIT
http://www.linkedin.com/in/andreaaime
http://twitter.com/geowolf

3

Off the top of my head the only way i can think of is writing an adapter around TransformerBase that implements ContentHandler. Then it should be able to be passed directly into the encoder. The two interfaces are relatively similar… at first glance it might not be too hard… but the devil is always in the details i guess.

On Fri, Feb 25, 2011 at 12:17 PM, Andrea Aime <andrea.aime@anonymised.com> wrote:

On Fri, Feb 25, 2011 at 11:15 AM, Andrea Aime <andrea.aime@anonymised.com> wrote:

Hi,
I’m looking into extending the RSS/atom output to actually support GML3.

Forgot a detail here. We’re looking into GML3 because we might need to implement
the Atom/GML profile which explicitly refers to GML3:
http://www.georss.org/gml

Cheers
Andrea

–

Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy

phone: +39 0584 962313
fax: +39 0584 962313
mob: +39 333 8128928

http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.youtube.com/user/GeoSolutionsIT
http://www.linkedin.com/in/andreaaime
http://twitter.com/geowolf

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OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.