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

Example 16 with Literal

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

the class ModelsTest method testGetPropertyInvalidInput.

@Test
public void testGetPropertyInvalidInput() {
    Literal lit1 = VF.createLiteral(1.0);
    model1.add(foo, bar, lit1);
    model1.add(foo, bar, foo);
    try {
        Models.getProperty(model1, foo, null).orElse(null);
        fail("should have resulted in exception");
    } catch (NullPointerException e) {
    // expected
    }
    try {
        Models.getProperty(model1, null, bar).orElse(null);
        fail("should have resulted in exception");
    } catch (NullPointerException e) {
    // expected
    }
}

Example 17 with Literal

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

the class ModelsTest method testObject.

public void testObject() {
    Literal lit = VF.createLiteral(1.0);
    model1.add(foo, bar, lit);
    model1.add(foo, bar, foo);
    Value result = Models.object(model1).orElse(null);
    assertNotNull(result);
    assertTrue(result.equals(lit) || result.equals(foo));
}

Example 18 with Literal

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

the class QueryResults method bindingSetsMatch.

private static boolean bindingSetsMatch(BindingSet bs1, BindingSet bs2, Map<BNode, BNode> bNodeMapping) {
    if (bs1.size() != bs2.size()) {
        return false;
    }
    for (Binding binding1 : bs1) {
        Value value1 = binding1.getValue();
        Value value2 = bs2.getValue(binding1.getName());
        if (value1 instanceof BNode && value2 instanceof BNode) {
            BNode mappedBNode = bNodeMapping.get(value1);
            if (mappedBNode != null) {
                // bNode 'value1' was already mapped to some other bNode
                if (!value2.equals(mappedBNode)) {
                    // 'value1' and 'value2' do not match
                    return false;
                }
            } else {
                // possible mapping candidate
                if (bNodeMapping.containsValue(value2)) {
                    // 'value2' is already mapped to some other value.
                    return false;
                }
            }
        } else {
            // values are not (both) bNodes
            if (value1 instanceof Literal && value2 instanceof Literal) {
                // do literal value-based comparison for supported datatypes
                Literal leftLit = (Literal) value1;
                Literal rightLit = (Literal) value2;
                IRI dt1 = leftLit.getDatatype();
                IRI dt2 = rightLit.getDatatype();
                if (dt1 != null && dt2 != null && dt1.equals(dt2) && XMLDatatypeUtil.isValidValue(leftLit.getLabel(), dt1) && XMLDatatypeUtil.isValidValue(rightLit.getLabel(), dt2)) {
                    Integer compareResult = null;
                    if (dt1.equals(XMLSchema.DOUBLE)) {
                        compareResult = Double.compare(leftLit.doubleValue(), rightLit.doubleValue());
                    } else if (dt1.equals(XMLSchema.FLOAT)) {
                        compareResult = Float.compare(leftLit.floatValue(), rightLit.floatValue());
                    } else if (dt1.equals(XMLSchema.DECIMAL)) {
                        compareResult = leftLit.decimalValue().compareTo(rightLit.decimalValue());
                    } else if (XMLDatatypeUtil.isIntegerDatatype(dt1)) {
                        compareResult = leftLit.integerValue().compareTo(rightLit.integerValue());
                    } else if (dt1.equals(XMLSchema.BOOLEAN)) {
                        Boolean leftBool = Boolean.valueOf(leftLit.booleanValue());
                        Boolean rightBool = Boolean.valueOf(rightLit.booleanValue());
                        compareResult = leftBool.compareTo(rightBool);
                    } else if (XMLDatatypeUtil.isCalendarDatatype(dt1)) {
                        XMLGregorianCalendar left = leftLit.calendarValue();
                        XMLGregorianCalendar right = rightLit.calendarValue();
                        compareResult = left.compare(right);
                    }
                    if (compareResult != null) {
                        if (compareResult.intValue() != 0) {
                            return false;
                        }
                    } else if (!value1.equals(value2)) {
                        return false;
                    }
                } else if (!value1.equals(value2)) {
                    return false;
                }
            } else if (!value1.equals(value2)) {
                return false;
            }
        }
    }
    return true;
}

Example 19 with Literal

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

the class SimpleLiteralTest method testStringLong.

/**
 * Test method for {@link org.eclipse.rdf4j.model.impl.SimpleLiteral#SimpleLiteral(java.lang.String)}.
 */
@Test
public final void testStringLong() throws Exception {
    StringBuilder testBuilder = new StringBuilder(1000000);
    for (int i = 0; i < 1000000; i++) {
        testBuilder.append(Integer.toHexString(i % 16));
    }
    Literal test = new SimpleLiteral(testBuilder.toString());
    assertEquals(testBuilder.toString(), test.getLabel());
    assertFalse(test.getLanguage().isPresent());
    assertEquals(XMLSchema.STRING, test.getDatatype());
}

Example 20 with Literal

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

the class SimpleLiteralTest method testStringIRIEmptyNull.

/**
 * Test method for
 * {@link org.eclipse.rdf4j.model.impl.SimpleLiteral#SimpleLiteral(java.lang.String, org.eclipse.rdf4j.model.IRI)}
 * .
 */
@Test
public final void testStringIRIEmptyNull() throws Exception {
    String label = "";
    IRI datatype = null;
    Literal test = new SimpleLiteral(label, datatype);
    assertEquals("", test.getLabel());
    assertFalse(test.getLanguage().isPresent());
    assertEquals(XMLSchema.STRING, test.getDatatype());
}