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 >
