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

Example 16 with Namespace

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

the class NamespacesTest method testAsMapMultiple.

/**
 * Test method for {@link org.eclipse.rdf4j.model.util.Namespaces#asMap(java.util.Set)}.
 */
@Test
public final void testAsMapMultiple() {
    Set<Namespace> input = new HashSet<Namespace>();
    input.add(new SimpleNamespace(RDF.PREFIX, RDF.NAMESPACE));
    input.add(new SimpleNamespace(RDFS.PREFIX, RDFS.NAMESPACE));
    input.add(new SimpleNamespace(DC.PREFIX, DC.NAMESPACE));
    input.add(new SimpleNamespace(SKOS.PREFIX, SKOS.NAMESPACE));
    input.add(new SimpleNamespace(SESAME.PREFIX, SESAME.NAMESPACE));
    Map<String, String> map = Namespaces.asMap(input);
    assertFalse(map.isEmpty());
    assertEquals(5, map.size());
    assertTrue(map.containsKey(RDF.PREFIX));
    assertEquals(RDF.NAMESPACE, map.get(RDF.PREFIX));
    assertTrue(map.containsKey(RDFS.PREFIX));
    assertEquals(RDFS.NAMESPACE, map.get(RDFS.PREFIX));
    assertTrue(map.containsKey(DC.PREFIX));
    assertEquals(DC.NAMESPACE, map.get(DC.PREFIX));
    assertTrue(map.containsKey(SKOS.PREFIX));
    assertEquals(SKOS.NAMESPACE, map.get(SKOS.PREFIX));
    assertTrue(map.containsKey(SESAME.PREFIX));
    assertEquals(SESAME.NAMESPACE, map.get(SESAME.PREFIX));
}

Example 17 with Namespace

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

the class NamespacesTest method testWrapEntrySet.

/**
 * Test method for {@link org.eclipse.rdf4j.model.util.Namespaces#wrap(java.util.Set)}.
 */
@Test
public final void testWrapEntrySet() throws Exception {
    Set<Namespace> testSet = new LinkedHashSet<Namespace>();
    Map<String, String> testMap = Namespaces.wrap(testSet);
    Set<Entry<String, String>> entrySet1 = testMap.entrySet();
    assertNotNull(entrySet1);
    assertTrue(entrySet1.isEmpty());
    testSet.add(new SimpleNamespace(testPrefix1, testName1));
    Set<Entry<String, String>> entrySet2 = testMap.entrySet();
    assertNotNull(entrySet2);
    assertFalse(entrySet2.isEmpty());
    assertEquals(1, entrySet2.size());
    Entry<String, String> nextEntry = entrySet2.iterator().next();
    assertEquals(testPrefix1, nextEntry.getKey());
    assertEquals(testName1, nextEntry.getValue());
    testSet.clear();
    Set<Entry<String, String>> entrySet3 = testMap.entrySet();
    assertNotNull(entrySet3);
    assertTrue(entrySet3.isEmpty());
}

Example 18 with Namespace

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

the class NamespacesTest method testWrapContainsKey.

/**
 * Test method for {@link org.eclipse.rdf4j.model.util.Namespaces#wrap(java.util.Set)}.
 */
@Test
public final void testWrapContainsKey() throws Exception {
    Set<Namespace> testSet = new LinkedHashSet<Namespace>();
    Map<String, String> testMap = Namespaces.wrap(testSet);
    // Check no exceptions when calling containsKey on empty backing set
    assertFalse(testMap.containsKey(testPrefix1));
    testSet.add(new SimpleNamespace(testPrefix1, testName1));
    assertTrue(testMap.containsKey(testPrefix1));
    testSet.clear();
    assertFalse(testMap.containsKey(testPrefix1));
}

Example 19 with Namespace

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

the class JSONLDParserHandlerTest method writeJSONLD.

/**
 * Helper method to write the given model to JSON-LD and return an InputStream containing the results.
 *
 * @param statements
 * @return An {@link InputStream} containing the results.
 * @throws RDFHandlerException
 */
private InputStream writeJSONLD(Model statements) throws RDFHandlerException {
    final StringWriter writer = new StringWriter();
    final RDFWriter jsonldWriter = new JSONLDWriter(writer);
    jsonldWriter.startRDF();
    for (final Namespace prefix : statements.getNamespaces()) {
        jsonldWriter.handleNamespace(prefix.getPrefix(), prefix.getName());
    }
    for (final Statement nextStatement : statements) {
        jsonldWriter.handleStatement(nextStatement);
    }
    jsonldWriter.endRDF();
    return new ByteArrayInputStream(writer.toString().getBytes(Charset.forName("UTF-8")));
}

Example 20 with Namespace

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

the class Rio method write.

/**
 * Writes the given statements to the given {@link RDFHandler}.
 * <p>
 * If the collection is a {@link Model}, its namespaces will also be written.
 *
 * @param model
 *        A collection of statements, such as a {@link Model}, to be written.
 * @throws RDFHandlerException
 *         Thrown if there is an error writing the statements.
 */
public static void write(Iterable<Statement> model, RDFHandler writer) throws RDFHandlerException {
    writer.startRDF();
    if (model instanceof NamespaceAware) {
        for (Namespace nextNamespace : ((NamespaceAware) model).getNamespaces()) {
            writer.handleNamespace(nextNamespace.getPrefix(), nextNamespace.getName());
        }
    }
    for (final Statement st : model) {
        writer.handleStatement(st);
    }
    writer.endRDF();
}