Examples with StmtIterator com.hp.hpl.jena.rdf.model.StmtIterator used on opensource projects

Example 1 with StmtIterator

use of com.hp.hpl.jena.rdf.model.StmtIterator in project lucene-skos by behas.

the class SKOSEngineImpl method indexObject.

private void indexObject(Resource skos_concept, Document conceptDoc, ObjectProperty property, String field) {
    StmtIterator stmt_iter = skos_concept.listProperties(property);
    while (stmt_iter.hasNext()) {
        RDFNode concept = stmt_iter.nextStatement().getObject();
        if (!concept.canAs(Resource.class)) {
            logger.warn("Error when indexing relationship of concept " + skos_concept.getURI() + " .");
            continue;
        }
        Resource resource = concept.as(Resource.class);
        Field conceptField = new Field(field, resource.getURI(), TextField.TYPE_STORED);
        conceptDoc.add(conceptField);
    }
}

Example 2 with StmtIterator

use of com.hp.hpl.jena.rdf.model.StmtIterator in project stanbol by apache.

the class TestUtils method printStatements.

/**
	 * utility to print lists of statements
	 * 
	 * @param model
	 * @param resource
	 * @param property
	 * @return
	 */
public static String printStatements(Model model, Resource resource, Property property) {
    Resource value = null;
    String output = "";
    StmtIterator iterator;
    if (resource == null && property == null && value == null) {
        iterator = model.listStatements();
    } else {
        iterator = model.listStatements(resource, property, value);
    }
    while (iterator.hasNext()) {
        Statement stmt = iterator.nextStatement();
        output += System.getProperty("line.separator") + " " + PrintUtil.print(stmt);
    }
    return output;
}

Example 3 with StmtIterator

use of com.hp.hpl.jena.rdf.model.StmtIterator in project stanbol by apache.

the class JenaToOwlConvert method ResourceJenaToOwlAxiom.

// //////////////////////////////////////////////////////////////////////////////
/**
     * This function converts every statments relative to a resource in an a set of OWLAxiom objects
     * 
     * @param jenadata
     *            {A resource in the form (S,P,O), it could be any kind of resource (a class, a data property,
     *            an object property and an instance) except a litteral}
     * @param format
     *            {The format of the ontology, i.e. "RDF/XML"}
     * @return {A set of axiom in the form of Set<OWLAxiom>}
     */
public synchronized Set<OWLAxiom> ResourceJenaToOwlAxiom(Resource jenadata, String format) {
    while (available == false) {
        try {
            wait();
        } catch (InterruptedException e) {
            System.err.println("ResourceJenaToOwlAxiom::: " + e);
        }
    }
    available = false;
    try {
        OntModel model = ModelFactory.createOntologyModel();
        StmtIterator prop = jenadata.listProperties();
        while (prop.hasNext()) {
            Statement stat = prop.nextStatement();
            model.add(stat);
            RDFNode obj = stat.getObject();
            if (obj.isResource()) {
                if (!obj.isURIResource()) {
                    StmtIterator aux = ((Resource) obj).listProperties();
                    while (aux.hasNext()) {
                        Statement stataux = aux.nextStatement();
                        model.add(stataux);
                    }
                }
            }
        }
        OWLOntology owlmodel = ModelJenaToOwlConvert(model, format);
        available = true;
        notifyAll();
        return owlmodel.getAxioms();
    } catch (Exception e) {
        System.err.print("ResourceJenaToOwlAxiom::: ");
        e.printStackTrace();
        return null;
    }
}

Example 4 with StmtIterator

use of com.hp.hpl.jena.rdf.model.StmtIterator in project stanbol by apache.

the class ConversionTester method testAxiomOwlToJenaResource.

public void testAxiomOwlToJenaResource() {
    JenaToOwlConvert j2o = new JenaToOwlConvert();
    OWLOntologyManager mgr = OWLManager.createOWLOntologyManager();
    OWLOntology ont = null;
    try {
        ont = mgr.createOntology();
    } catch (OWLOntologyCreationException e) {
        e.printStackTrace();
        fail("Can not create ontology");
    }
    OWLDataFactory factory = mgr.getOWLDataFactory();
    StmtIterator resource = null;
    OWLClass cls = factory.getOWLClass(IRI.create(CLAZZ));
    OWLDataProperty dp = factory.getOWLDataProperty(IRI.create(DP));
    OWLObjectProperty op = factory.getOWLObjectProperty(IRI.create(OP));
    OWLAnnotationProperty oa = factory.getOWLAnnotationProperty(IRI.create(label));
    OWLAnnotation oav = factory.getOWLAnnotation(oa, factory.getOWLStringLiteral(clazzlabel, "en"));
    OWLDatatype dt = factory.getOWLDatatype(IRI.create(DATATYPE));
    OWLNamedIndividual sub = factory.getOWLNamedIndividual(IRI.create(SUBJECT));
    OWLNamedIndividual obj = factory.getOWLNamedIndividual(IRI.create(OBJECT));
    OWLLiteral literal1 = factory.getOWLTypedLiteral(VALUE, dt);
    // Classe
    OWLDeclarationAxiom daxiomcls = factory.getOWLDeclarationAxiom(cls);
    // obj prop
    OWLDeclarationAxiom daxiomop = factory.getOWLDeclarationAxiom(op);
    // data prop
    OWLDeclarationAxiom daxiomdp = factory.getOWLDeclarationAxiom(dp);
    // subject
    OWLDeclarationAxiom daxiomsub = factory.getOWLDeclarationAxiom(sub);
    // object
    OWLDeclarationAxiom daxiomobj = factory.getOWLDeclarationAxiom(obj);
    // Istanza
    OWLClassAssertionAxiom axiomsub = factory.getOWLClassAssertionAxiom(cls, sub);
    // Istanza
    OWLClassAssertionAxiom axiomobj = factory.getOWLClassAssertionAxiom(cls, obj);
    // Obj
    OWLObjectPropertyAssertionAxiom axiomop = factory.getOWLObjectPropertyAssertionAxiom(op, sub, obj);
    // prop
    // tra
    // individui
    OWLDataPropertyAssertionAxiom axiomvalue = factory.getOWLDataPropertyAssertionAxiom(dp, obj, // Dataprop all'istanza;
    literal1);
    // Annotazione
    OWLAnnotationAssertionAxiom axioman = factory.getOWLAnnotationAssertionAxiom(cls.getIRI(), oav);
    mgr.addAxiom(ont, daxiomcls);
    mgr.addAxiom(ont, daxiomop);
    mgr.addAxiom(ont, daxiomdp);
    mgr.addAxiom(ont, daxiomsub);
    mgr.addAxiom(ont, daxiomobj);
    mgr.addAxiom(ont, axiomsub);
    mgr.addAxiom(ont, axiomobj);
    mgr.addAxiom(ont, axiomop);
    mgr.addAxiom(ont, axiomvalue);
    mgr.addAxiom(ont, axioman);
    Set<OWLAxiom> setaxiom = ont.getAxioms();
    try {
        resource = j2o.AxiomOwlToJenaResource(setaxiom, RDFXML);
        if (resource == null) {
            fail("Some errors occur");
        } else {
            String statment = "[http://www.w3.org/2000/01/rdf-schema#label, http://www.w3.org/2000/01/rdf-schema#range, http://www.w3.org/2000/01/rdf-schema#Literal] " + "[http://example.org/dummy#hasAge, http://www.w3.org/1999/02/22-rdf-syntax-ns#type, http://www.w3.org/2002/07/owl#DatatypeProperty] " + "[http://example.org/dummy#Linus, http://example.org/dummy#hasAge, \"8\"^^http://www.w3.org/2001/XMLSchema#int] " + "[http://example.org/dummy#Linus, http://www.w3.org/1999/02/22-rdf-syntax-ns#type, http://example.org/dummy#Peanut] " + "[http://example.org/dummy#hasSibling, http://www.w3.org/1999/02/22-rdf-syntax-ns#type, http://www.w3.org/2002/07/owl#ObjectProperty] " + "[http://example.org/dummy#Lucy, http://example.org/dummy#hasSibling, http://example.org/dummy#Linus] " + "[http://example.org/dummy#Lucy, http://www.w3.org/1999/02/22-rdf-syntax-ns#type, http://example.org/dummy#Peanut] " + "[http://www.w3.org/2000/01/rdf-schema#label, http://www.w3.org/1999/02/22-rdf-syntax-ns#type, http://www.w3.org/2002/07/owl#AnnotationProperty] " + "[http://example.org/dummy#Peanut, http://www.w3.org/2000/01/rdf-schema#label, \"Peanut\"@en] " + "[http://example.org/dummy#Peanut, http://www.w3.org/1999/02/22-rdf-syntax-ns#type, http://www.w3.org/2002/07/owl#Class]";
            int size = setaxiom.size();
            int count = 0;
            while (resource.hasNext()) {
                Statement stm = resource.nextStatement();
                Resource jsubj = stm.getSubject();
                if (jsubj.getURI().equals(OP.toString()) || jsubj.getURI().equals(DP.toString()) || jsubj.getURI().equals(CLAZZ.toString()) || jsubj.getURI().equals(OBJECT.toString()) || jsubj.getURI().equals(SUBJECT.toString()) || jsubj.getURI().equals(label.toString()))
                    if (statment.contains(stm.toString()))
                        count++;
            }
            assertEquals(size, count);
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail("Exception caugth");
    } finally {
        assertNotNull(resource);
    }
}

Example 5 with StmtIterator

use of com.hp.hpl.jena.rdf.model.StmtIterator in project lucene-skos by behas.

the class SKOSEngineImpl method indexAnnotation.

private void indexAnnotation(Resource skos_concept, Document conceptDoc, AnnotationProperty property, String field) {
    StmtIterator stmt_iter = skos_concept.listProperties(property);
    while (stmt_iter.hasNext()) {
        Literal labelLiteral = stmt_iter.nextStatement().getObject().as(Literal.class);
        String label = labelLiteral.getLexicalForm();
        String labelLang = labelLiteral.getLanguage();
        if (this.languages != null && !this.languages.isEmpty() && !this.languages.contains(labelLang)) {
            continue;
        }
        // converting label to lower-case
        label = label.toLowerCase(Locale.ROOT);
        Field labelField = new Field(field, label, StringField.TYPE_STORED);
        conceptDoc.add(labelField);
    }
}