Java Code Examples for org.apache.jena.rdf.model.ResIterator#nextResource()

The following examples show how to use org.apache.jena.rdf.model.ResIterator#nextResource() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ModelWrapper.java    From FCA-Map with GNU General Public License v3.0 6 votes vote down vote up
private void acquireInstances() {
  // XXX: remove instances of DBkWik:Image and SKOS:Concept, Template. Under consideration.
  ResIterator it = null;

  if (m_inferred) {
    it = m_inferred_model.listSubjects();
  } else {
    it = m_raw_model.listSubjects();
  }

  while (it.hasNext()) {
    Resource r = it.nextResource();
    if (DBkWik.ownAsResource(r) && !DBkWik.ownAsTemplate(r) &&
        !r.hasProperty(RDF.type, SKOS.Concept) &&
        !r.hasProperty(RDF.type, DBkWik.Image)) {
      m_instances.add(r);
    }
  }
}
 
Example 2
Source File: SolidContactsExport.java    From data-transfer-project with Apache License 2.0 6 votes vote down vote up
private List<VCard> parseAddressBook(Resource selfResource, SolidUtilities utilities)
    throws IOException {

  String peopleUri = selfResource.getProperty(NAME_EMAIL_INDEX_PROPERTY).getResource().getURI();
  Model peopleModel = utilities.getModel(peopleUri);
  List<VCard> vcards = new ArrayList<>();
  ResIterator subjects = peopleModel.listSubjects();
  while (subjects.hasNext()) {
    Resource subject = subjects.nextResource();
    Model personModel = utilities.getModel(subject.getURI());
    Resource personResource = SolidUtilities.getResource(subject.getURI(), personModel);
    if (personResource == null) {
      throw new IllegalStateException(subject.getURI() + " not found in " + subject.toString());
    }
    vcards.add(parsePerson(personResource));
  }
  return vcards;
}
 
Example 3
Source File: ModelWrapper.java    From FCA-Map with GNU General Public License v3.0 5 votes vote down vote up
private Set<Resource> acquireResources(ResIterator it) {
  Set<Resource> resources = new HashSet<>();
  while (it.hasNext()) {
    Resource r = it.nextResource();
    resources.add(r);
  }
  return resources;
}
 
Example 4
Source File: JenaBasedReader.java    From timbuctoo with GNU General Public License v3.0 5 votes vote down vote up
public RmlMappingDocument fromRdf(Model data, Function<RdfResource, Optional<DataSource>> dataSourceFactory) {
  ResIterator tripleMaps = data.listSubjectsWithProperty(data.createProperty(NS_RR + "subjectMap"));
  MappingDocumentBuilder resultBuilder = rmlMappingDocument();
  try {
    while (tripleMaps.hasNext()) {
      Resource resource = tripleMaps.nextResource();
      buildTripleMap(JenaResource.fromModel(data, resource), resultBuilder.withTripleMap(resource.getURI()));
    }
  } finally {
    tripleMaps.close();
  }
  return resultBuilder.build(dataSourceFactory);
}