Hi, so far OGC services always had used one valued keys in requests, eventually creating some complex syntax to hold the eventual structured values inside the key.
Of course the time should have come, sooner or later, to have a service with repeated keys with different values in the requests... WCS 2.0 is the one, behold, subset=... three times: http://www.myserver.org:port/path? service=WCS &version=2.0 &request=GetCoverage &coverageId=C0002 &subset=lon,http://www.opengis.net/def/crs/EPSG/0/4326(-71,47) &subset=lat,http://www.opengis.net/def/crs/EPSG/0/4326(-66,51) &subset=t,http://www.opengis.net/def/trs/ISO- 8601/0/Gregorian+UTC("2009-11-06T23:20:52Z") Now... having the dispatcher and the KVP parser handle this is not too hard, see the attached path. Rationale: we allow String[] in the dispatcher kvp maps, which switch from Map<String, String> to Map<String, Object> and have the parseKVP method recognize those and build a List of parsed object, it's then up to the request reader to see if it got a single object, or a list of object, for key that have multiple potential values. Maybe not too elegant, the alternative would be switching the kvp maps from Map<String, String> to Map<String, String[]> which seems a bit more disruptive. I've attached a patch for this, with a WCS 2.0 example of how things should be handled by a kvp reader expecting one of these multikeys. Opinions? 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 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it -------------------------------------------------------
multikey.patch
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