Issue Type: Improvement Improvement
Affects Versions: 8.0-RC2
Assignee: Andrea Aime
Components: referencing
Created: 31/May/12 11:28 PM
Description:

Support parsing srsName represented with an OGC HTTP URI like:

http://www.opengis.net/def/crs/EPSG/0/4326

urn:ogc support in requests is provided by gt-referencing URN_AuthorityFactory. To support HTTP URIs we need an HTTP_URI_AuthorityFactory (not to be confused with HTTP_AuthorityFactory). We would also need SPI entries in:
modules/library/referencing/src/main/resources/META-INF/services/org.opengis.referencing.crs.CRSAuthorityFactory
modules/library/referencing/src/main/resources/META-INF/services/org.opengis.referencing.cs.CSAuthorityFactory

Support in WFS for HTTP URIs is before the WFS/FES SWG and will likely be included in WFS 2.1. See:
"Allow use of http URIs to identify CRS" (WFS/FES change request 11-152):
https://portal.opengeospatial.org/files/?artifact_id=46445

Whitepaper:
"OGC Identifiers – the case for http URIs" (OGC 10-124r1):
https://portal.opengeospatial.org/files/?artifact_id=39467

HTTP URIs are current OGC policy:
"In June 2010 OGC revised the naming policy to use http URIs to identify
persistent OGC resources instead of URNs."
http://www.opengeospatial.org/projects/groups/ogcnasc

Youse might also be interested in Simon's recent seminar on controlled
vocabularies (slides and audio):
https://wiki.csiro.au/display/ARRCSeminars/Delivering+controlled+vocabularies+on+the+web+-+persistent+identifiers+and+the+web+of+things

Simon explains why HTTP URIs are useful because they allow the
implementation of Tim Berners-Lee's Linked (Open) Data rules, and
describes some successful patterns for using them.

Project: GeoTools
Priority: Major Major
Reporter: Ben Caradoc-Davies
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