How to get a list of Extensions in WebComposition/DGS
Posted in DGS | WebComposition

If you are not sure if a DGS instance provides a certain extension, just have a look at the metadata of the service, e.g. http://www.restful.ws/datagridservice/meta. You will find the all the available extensions with the predicate http://www.webcomposition.net/2008"02/dgs/meta/extension (we say "has extension"). In the example below we find the SA-REST extension I have introduced yesterday.

  1: <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" 

  2:          xmlns:ns="http://purl.org/dc/elements/1.1/" 

  3:          xmlns:crud="http://www.webcomposition.net/2008/02/dgs/crud#" 

  4:          xmlns:meta="http://www.webcomposition.net/2008/02/dgs/meta/" 

  5:          xmlns:sarest="http://lsdis.cs.uga.edu/SAREST#">

  6:   <rdf:Description rdf:about="http://www.restful.ws/DataGridService">

  7:     <!-- ... -->

  8:       <meta:extension>WebComposition.Dgs.Extensions.SaRest.SaRestHandler</meta:extension>

  9:     <!-- ... -->

 10:   </rdf:Description>

 11: <rdf:RDF>
Posted at Wednesday, August 20, 2008 10:05:31 PM (W. Europe Daylight Time, UTC+02:00) 
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