@Test public void toRdfWithNamespace() throws Exception { final URL contextUrl = getClass().getResource("/custom/contexttest-0003.jsonld"); assertNotNull(contextUrl); final Object context = JsonUtils.fromURL(contextUrl, JsonUtils.getDefaultHttpClient()); assertNotNull(context); final JsonLdOptions options = new JsonLdOptions(); options.useNamespaces = true; final RDFDataset rdf = (RDFDataset) JsonLdProcessor.toRDF(context, options); // System.out.println(rdf.getNamespaces()); assertEquals("http://vocab.getty.edu/aat/", rdf.getNamespace("aat")); assertEquals("http://vocab.getty.edu/aat/rev/", rdf.getNamespace("aat_rev")); }
final RDFDataset rdf = (RDFDataset) JsonLdProcessor.toRDF(arrayContext, options); assertEquals("http://example.org/", rdf.getNamespace("ex")); assertEquals("http://example.com/2/", rdf.getNamespace("ex2"));
@Test public void fromRdfWithNamespaceLexicographicallyShortestChosen() throws Exception { final RDFDataset inputRdf = new RDFDataset(); inputRdf.setNamespace("aat", "http://vocab.getty.edu/aat/"); inputRdf.setNamespace("aat_rev", "http://vocab.getty.edu/aat/rev/"); inputRdf.addTriple("http://vocab.getty.edu/aat/rev/5001065997", JsonLdConsts.RDF_TYPE, "http://vocab.getty.edu/aat/datatype"); final JsonLdOptions options = new JsonLdOptions(); options.useNamespaces = true; final Object fromRDF = JsonLdProcessor.compact(new JsonLdApi(options).fromRDF(inputRdf), inputRdf.getContext(), options); final RDFDataset rdf = (RDFDataset) JsonLdProcessor.toRDF(fromRDF, options); // System.out.println(rdf.getNamespaces()); assertEquals("http://vocab.getty.edu/aat/", rdf.getNamespace("aat")); assertEquals("http://vocab.getty.edu/aat/rev/", rdf.getNamespace("aat_rev")); final String toJSONLD = JsonUtils.toPrettyString(fromRDF); // System.out.println(toJSONLD); assertTrue("The lexicographically shortest URI was not chosen", toJSONLD.contains("aat:rev/")); }
@Test public void fromRdfWithNamespaceLexicographicallyShortestChosen2() throws Exception { final RDFDataset inputRdf = new RDFDataset(); inputRdf.setNamespace("aat", "http://vocab.getty.edu/aat/"); inputRdf.setNamespace("aatrev", "http://vocab.getty.edu/aat/rev/"); inputRdf.addTriple("http://vocab.getty.edu/aat/rev/5001065997", JsonLdConsts.RDF_TYPE, "http://vocab.getty.edu/aat/datatype"); final JsonLdOptions options = new JsonLdOptions(); options.useNamespaces = true; final Object fromRDF = JsonLdProcessor.compact(new JsonLdApi(options).fromRDF(inputRdf), inputRdf.getContext(), options); final RDFDataset rdf = (RDFDataset) JsonLdProcessor.toRDF(fromRDF, options); // System.out.println(rdf.getNamespaces()); assertEquals("http://vocab.getty.edu/aat/", rdf.getNamespace("aat")); assertEquals("http://vocab.getty.edu/aat/rev/", rdf.getNamespace("aatrev")); final String toJSONLD = JsonUtils.toPrettyString(fromRDF); // System.out.println(toJSONLD); assertFalse("The lexicographically shortest URI was not chosen", toJSONLD.contains("aat:rev/")); }
@Test public void prefixUsedToShortenPredicate() throws Exception { final RDFDataset inputRdf = new RDFDataset(); inputRdf.setNamespace("ex", "http://www.a.com/foo/"); inputRdf.addTriple("http://www.a.com/foo/s", "http://www.a.com/foo/p", "http://www.a.com/foo/o"); assertEquals("http://www.a.com/foo/", inputRdf.getNamespace("ex")); final JsonLdOptions options = new JsonLdOptions(); options.useNamespaces = true; final Object fromRDF = JsonLdProcessor.compact(new JsonLdApi(options).fromRDF(inputRdf), inputRdf.getContext(), options); final String toJSONLD = JsonUtils.toPrettyString(fromRDF); // System.out.println(toJSONLD); assertFalse("The lexicographically shortest URI was not chosen", toJSONLD.contains("http://www.a.com/foo/p")); }