Examples with Literal org.eclipse.rdf4j.model.Literal used on opensource projects

Example 76 with Literal

use of org.eclipse.rdf4j.model.Literal in project rdf4j by eclipse.

the class ModelsTest method testObjectLiteral.

public void testObjectLiteral() {
    Literal lit = VF.createLiteral(1.0);
    model1.add(foo, bar, lit);
    model1.add(foo, bar, foo);
    Value result = Models.objectLiteral(model1).orElse(null);
    assertNotNull(result);
    assertEquals(lit, result);
}

Example 77 with Literal

use of org.eclipse.rdf4j.model.Literal in project rdf4j by eclipse.

the class DAWGTestResultSetWriter method startQueryResult.

/*---------*
	 * Methods *
	 *---------*/
@Override
public void startQueryResult(List<String> bindingNames) throws TupleQueryResultHandlerException {
    try {
        rdfHandler.startRDF();
        resultSetNode = vf.createBNode();
        bnodeMap.clear();
        reportStatement(resultSetNode, RDF.TYPE, RESULTSET);
        for (String bindingName : bindingNames) {
            Literal bindingNameLit = vf.createLiteral(bindingName);
            reportStatement(resultSetNode, RESULTVARIABLE, bindingNameLit);
        }
    } catch (RDFHandlerException e) {
        throw new TupleQueryResultHandlerException(e);
    }
}

Example 78 with Literal

use of org.eclipse.rdf4j.model.Literal in project rdf4j by eclipse.

the class DAWGTestBooleanParser method endRDF.

@Override
public void endRDF() throws RDFHandlerException {
    try {
        Resource resultSetNode = GraphUtil.getUniqueSubject(graph, RDF.TYPE, RESULTSET);
        Literal booleanLit = GraphUtil.getUniqueObjectLiteral(graph, resultSetNode, BOOLEAN);
        if (booleanLit.equals(DAWGTestResultSetSchema.TRUE)) {
            value = true;
        } else if (booleanLit.equals(DAWGTestResultSetSchema.FALSE)) {
            value = false;
        } else {
            throw new RDFHandlerException("Invalid boolean value: " + booleanLit);
        }
    } catch (GraphUtilException e) {
        throw new RDFHandlerException(e.getMessage(), e);
    }
}

Example 79 with Literal

use of org.eclipse.rdf4j.model.Literal in project rdf4j by eclipse.

the class LiteralsTest method testCreateLiteralOrFailObjectLong.

/**
 * Test method for
 * {@link org.eclipse.rdf4j.model.util.Literals#createLiteralOrFail(org.eclipse.rdf4j.model.ValueFactory, java.lang.Object)}
 * .
 */
@Test
public void testCreateLiteralOrFailObjectLong() throws Exception {
    Object obj = new Long(42);
    Literal l = Literals.createLiteralOrFail(SimpleValueFactory.getInstance(), obj);
    assertNotNull(l);
    assertEquals(l.getDatatype(), XMLSchema.LONG);
    assertEquals(l.getLabel(), "42");
}

Example 80 with Literal

use of org.eclipse.rdf4j.model.Literal in project rdf4j by eclipse.

the class LiteralsTest method testCreateLiteralObjectObject.

/**
 * Test method for
 * {@link org.eclipse.rdf4j.model.util.Literals#createLiteral(org.eclipse.rdf4j.model.ValueFactory, java.lang.Object)}
 * .
 */
@Test
public void testCreateLiteralObjectObject() throws Exception {
    Object obj = new Object();
    Literal l = Literals.createLiteral(SimpleValueFactory.getInstance(), obj);
    assertNotNull(l);
    assertEquals(l.getDatatype(), XMLSchema.STRING);
}