Ah, OK. I saw that project, but didn't realize that was the more appropriate one. I'll give that a go tomorrow. Thanks for the heads-up!
Phil This message optimized for indexing by NSA PRISM On Thu, Nov 14, 2013 at 2:48 AM, Stian Soiland-Reyes <[email protected]> wrote: > Try instead: > > https://github.com/jsonld-java/jsonld-java/tree/master/integration/jena > > Instructions and examples above. > > You will currently have to build jsonld-java from github , until version > 0.3.0 is released. > On 14 Nov 2013 00:47, "Phillip Rhodes" <[email protected]> wrote: > >> Jena gang: >> >> I am trying to store triples retrieved from Stanbol in JSON-LD format, >> but having >> no luck so far. I'm using Jena 2.10.1 and using the Jena JSONLD project >> from >> https://github.com/afs/jena-jsonld >> >> My (Groovy) code looks like this: >> >> >> static main(args) >> { >> JenaJSONLD.init(); >> def content = """Quoddy can now recognize famous people like >> Richard Marx"""; >> >> // call Stanbol REST API to get enrichment data >> RESTClient restClient = new RESTClient( "http://localhost:8080"; ) >> >> // println "content submitted: ${content}"; >> def restResponse = restClient.post( path:'enhancer', >> body: content, >> // headers: >> ['Accept':'application/rdf+xml'], >> >> requestContentType : TEXT ); >> >> String restResponseText = restResponse.getData(); >> println "restResponseText:\n ${restResponseText}\n\n"; >> >> // Make a TDB-backed dataset >> String directory = "MyDatabases/Dataset2" ; >> Dataset dataset = TDBFactory.createDataset(directory) ; >> dataset.begin(ReadWrite.READ) ; >> // Get model inside the transaction >> Model model = dataset.getDefaultModel() ; >> dataset.end() ; >> >> dataset.begin(ReadWrite.WRITE) ; >> model = dataset.getDefaultModel() ; >> StringReader reader = new StringReader( restResponseText ); >> model.read( reader, "http://www.example.com";, "JSON-LD" ); >> // RDFDataMgr.read(model, reader, "http://example.com/";, >> JenaJSONLD.JSONLD); >> dataset.commit(); >> dataset.end(); >> >> println "done"; >> } >> >> and results in a NullPointerException like this: >> >> Caught: java.lang.NullPointerException >> java.lang.NullPointerException >> at org.apache.jena.riot.RDFDataMgr.processTriples(RDFDataMgr.java:796) >> at org.apache.jena.riot.RDFDataMgr.read(RDFDataMgr.java:289) >> at org.apache.jena.riot.RDFDataMgr.read(RDFDataMgr.java:273) >> at org.apache.jena.riot.adapters.RDFReaderRIOT.read(RDFReaderRIOT.java:61) >> at com.hp.hpl.jena.rdf.model.impl.ModelCom.read(ModelCom.java:267) >> at com.hp.hpl.jena.rdf.model.Model$read.call(Unknown Source) >> at org.example.stanbol.StanbolJenaMain2.main(StanbolJenaMain2.groovy:58) >> >> >> If I do the same thing with RDF/XML (and appropriate code changes) I >> can save the triples fine. But I really want to use JSON-LD, as I do >> other stuff with the JSON-LD >> that comes back, using Javascript on the client-side, and it makes >> life a lot easier >> if I just take the JSON-LD and use it everywhere. >> >> >> Any thoughts? Am I doing something wrong, or is there just a bug in >> the JSONLD module? I can also post the blog of json that I get back >> if it would help. >> >> >> Thanks, >> >> >> Phil >> >> This message optimized for indexing by NSA PRISM >>
