On Thursday, January 20, 2011 03:00:26 pm Reto Bachmann-Gmuer wrote:
> Hello
>
> I'm trying to connect the jena serializers to a service that delivers
> curie-prefix suggestions for uri-prefixes.
>
> My fisrt attempt doesn't seem to work:
>
> Model model = ModelFactory.createModelForGraph(graph);
> model.setNsPrefixes(new PrefixMappingImpl() {
>
> @Override
> protected String get(String prefix) {
> System.out.println("getting "+prefix);
> return super.get(prefix);
> }
>
> @Override
> public String getNsURIPrefix(String uri) {
> System.out.println("getting prefix for "+uri);
> if ("http://example.org/".equals(uri)) {
> return "ex";
> }
> return null;
> }
>
> });
> RDFWriter writer = model.getWriter(jenaFormat);
> writer.write(model, serializedGraph, "");
>
> the overwritten methods seem not be called. The examples I found all deal
> with registering individual prefix-mappings, in my case I want to access a
> service that suggests a prefix.
The RDF/XML writer calls getNsPrefixMap() to get the entire prefix mapping
as a map and then fiddles with that, so, you're right: the methods you
wrote are not called.
Chris
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