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

Example 71 with Statement

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

the class TestTurtleParser method testParseBNodes.

@Test
public void testParseBNodes() throws Exception {
    String data = prefixes + " [ :p  :o1,:2 ] . ";
    parser.parse(new StringReader(data), baseURI);
    assertTrue(errorCollector.getWarnings().isEmpty());
    assertTrue(errorCollector.getErrors().isEmpty());
    assertTrue(errorCollector.getFatalErrors().isEmpty());
    assertFalse(statementCollector.getStatements().isEmpty());
    assertEquals(2, statementCollector.getStatements().size());
    for (Statement st : statementCollector.getStatements()) {
        System.out.println(st);
    }
}

Example 72 with Statement

use of org.eclipse.rdf4j.model.Statement 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();
}

Example 73 with Statement

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

the class JSONLDInternalTripleCallbackTest method triplesTest.

@Test
public void triplesTest() throws JsonLdError, IOException {
    // String inputstring =
    // "{\"@id\":{\"@id\":\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/machine/DVC-1_8\"},\"http://igreen-projekt.de/ontologies/isoxml#deviceElement\":\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceelement/DET-1_8\",\"http://igreen-projekt.de/ontologies/isoxml#deviceID\":{\"@datatype\":\"http://www.w3.org/2001/XMLSchema#string\",\"@literal\":\"DVC-1\"},\"http://igreen-projekt.de/ontologies/isoxml#deviceLocalizationLabel\":{\"@datatype\":\"http://www.w3.org/2001/XMLSchema#string\",\"@literal\":\"FF000000406564\"},\"http://igreen-projekt.de/ontologies/isoxml#deviceProcessData\":[\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/13_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/6_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/14_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/11_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/8_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/4_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/5_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/10_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/2_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/21_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/15_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/16_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/19_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/17_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/3_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/12_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/7_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/18_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/9_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/22_8\",\"http://pc-4107.kl.dfki.de:38080/onlinebox/resource/deviceprocessdata/20_8\"],\"http://igreen-projekt.de/ontologies/isoxml#deviceSerialNumber\":{\"@datatype\":\"http://www.w3.org/2001/XMLSchema#string\",\"@literal\":\"12345\"},\"http://igreen-projekt.de/ontologies/isoxml#deviceSoftwareVersion\":{\"@datatype\":\"http://www.w3.org/2001/XMLSchema#string\",\"@literal\":\"01.009\"},\"http://igreen-projekt.de/ontologies/isoxml#deviceStructureLabel\":{\"@datatype\":\"http://www.w3.org/2001/XMLSchema#string\",\"@literal\":\"31303030303030\"},\"http://igreen-projekt.de/ontologies/isoxml#workingSetMasterNAME\":{\"@datatype\":\"http://www.w3.org/2001/XMLSchema#string\",\"@literal\":\"A000860020800001\"},\"http://www.w3.org/1999/02/22-rdf-syntax-ns#type\":{\"@iri\":\"http://www.agroxml.de/rdfs#Machine\"},\"http://www.w3.org/2000/01/rdf-schema#label\":{\"@datatype\":\"http://www.w3.org/2001/XMLSchema#string\",\"@literal\":\"Krone Device\"}}";
    final String inputstring = "{ \"@id\":\"http://nonexistent.com/abox#Document1823812\", \"@type\":\"http://nonexistent.com/tbox#Document\" }";
    final String expectedString = "(http://nonexistent.com/abox#Document1823812, http://www.w3.org/1999/02/22-rdf-syntax-ns#type, http://nonexistent.com/tbox#Document) [null]";
    final Object input = JsonUtils.fromString(inputstring);
    final Model graph = new LinkedHashModel();
    final ParseErrorCollector parseErrorListener = new ParseErrorCollector();
    final ParserConfig parserConfig = new ParserConfig();
    final JSONLDInternalTripleCallback callback = new JSONLDInternalTripleCallback(new StatementCollector(graph), SimpleValueFactory.getInstance(), parserConfig, parseErrorListener, nodeID -> SimpleValueFactory.getInstance().createBNode(nodeID), () -> SimpleValueFactory.getInstance().createBNode());
    JsonLdProcessor.toRDF(input, callback);
    final Iterator<Statement> statements = graph.iterator();
    // contains only one statement (type)
    while (statements.hasNext()) {
        final Statement stmt = statements.next();
        System.out.println(stmt.toString());
        assertEquals("Output was not as expected", stmt.toString(), expectedString);
    }
    assertEquals(0, parseErrorListener.getFatalErrors().size());
    assertEquals(0, parseErrorListener.getErrors().size());
    assertEquals(0, parseErrorListener.getWarnings().size());
}

Example 74 with Statement

use of org.eclipse.rdf4j.model.Statement in project timbuctoo by HuygensING.

the class NquadsUdParser method parseQuad.

private int parseQuad(int character) throws IOException, RDFParseException, RDFHandlerException {
    boolean ignoredAnError = false;
    try {
        character = parseSubject(character);
        character = skipWhitespace(character);
        character = parsePredicate(character);
        character = skipWhitespace(character);
        character = parseObject(character);
        character = skipWhitespace(character);
        // Context is not required
        if (character != '.') {
            character = parseContext(character);
            character = skipWhitespace(character);
        }
        if (character == -1) {
            throwEOFException();
        } else if (character != '.') {
            reportFatalError("Expected '.', found: " + new String(Character.toChars(character)));
        }
        character = assertLineTerminates(character);
    } catch (RDFParseException rdfpe) {
        if (getParserConfig().isNonFatalError(NTriplesParserSettings.FAIL_ON_NTRIPLES_INVALID_LINES)) {
            reportError(rdfpe, NTriplesParserSettings.FAIL_ON_NTRIPLES_INVALID_LINES);
            ignoredAnError = true;
        } else {
            throw rdfpe;
        }
    }
    character = skipLine(character);
    if (!ignoredAnError) {
        Statement st = createStatement(subject, predicate, object, context);
        if (rdfHandler != null) {
            rdfHandler.handleStatement(st);
        }
    }
    subject = null;
    predicate = null;
    object = null;
    context = null;
    return character;
}