Huh that is strange, certainly when I applied the equivalent fix to their code on GitHub I did get prefixes back out
I will take a look at what's going on Rob On 22/05/2014 13:29, "Andy Seaborne" <[email protected]> wrote: >Rob, > >The fix looks exactly right but when I tried it I didn't get an prefixes. > >Putting a breakpoint in JsonLDReader, I don't see the dataset (from >jsonld-java) having any namespaces set (the entrySet exists and is empty). > >The @context is making the URIs come out right, but nothing in the given >com.github.jsonldjava.core.RDFDataset object. (using v0.4 of jsonld-java). > >Did you have a working example? > > Andy > > public static void main(String... argv) throws Exception { > // From TR/json-ld spec, example 19. > String x = StrUtils.strjoinNL > ("{ \"@context\":" > ," { \"foaf\": \"http://xmlns.com/foaf/0.1/\"; } ," > ," \"@type\": \"foaf:Person\" ," > ," \"foaf:name\": \"Rob\"" > ,"}" > ) ; > > System.out.println(x) ; > > Model m = ModelFactory.createDefaultModel() ; > RDFDataMgr.read(m, new StringReader(x), null, Lang.JSONLD) ; > System.out.println("Prefix map:"+ m.getNsPrefixMap()) ; > System.out.println() ; > RDFDataMgr.write(System.out, m, Lang.TTL) ; >} >
