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

Example 86 with Literal

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

the class SPARQLJSONTupleTest method testBindings1.

@Test
public void testBindings1() throws Exception {
    SPARQLResultsJSONParser parser = new SPARQLResultsJSONParser(SimpleValueFactory.getInstance());
    QueryResultCollector handler = new QueryResultCollector();
    parser.setQueryResultHandler(handler);
    InputStream stream = this.getClass().getResourceAsStream("/sparqljson/bindings1.srj");
    assertNotNull("Could not find test resource", stream);
    parser.parseQueryResult(stream);
    // there must be two variables
    assertEquals(2, handler.getBindingNames().size());
    // first must be called "book", the second "title"
    assertEquals("book", handler.getBindingNames().get(0));
    assertEquals("title", handler.getBindingNames().get(1));
    // should be 7 solutions alltogether
    assertEquals(7, handler.getBindingSets().size());
    // Results are ordered, so first should be book6
    assertEquals("http://example.org/book/book6", handler.getBindingSets().get(0).getValue("book").stringValue());
    for (BindingSet b : handler.getBindingSets()) {
        assertNotNull(b.getValue("book"));
        assertNotNull(b.getValue("title"));
        assertTrue(b.getValue("book") instanceof IRI);
        assertTrue(b.getValue("title") instanceof Literal);
        IRI book = (IRI) b.getValue("book");
        if (book.stringValue().equals("http://example.org/book/book6")) {
            assertEquals("Harry Potter and the Half-Blood Prince", b.getValue("title").stringValue());
        } else if (book.stringValue().equals("http://example.org/book/book7")) {
            assertEquals("Harry Potter and the Deathly Hallows", b.getValue("title").stringValue());
        } else if (book.stringValue().equals("http://example.org/book/book5")) {
            assertEquals("Harry Potter and the Order of the Phoenix", b.getValue("title").stringValue());
        } else if (book.stringValue().equals("http://example.org/book/book4")) {
            assertEquals("Harry Potter and the Goblet of Fire", b.getValue("title").stringValue());
        } else if (book.stringValue().equals("http://example.org/book/book2")) {
            assertEquals("Harry Potter and the Chamber of Secrets", b.getValue("title").stringValue());
        } else if (book.stringValue().equals("http://example.org/book/book3")) {
            assertEquals("Harry Potter and the Prisoner Of Azkaban", b.getValue("title").stringValue());
        } else if (book.stringValue().equals("http://example.org/book/book1")) {
            assertEquals("Harry Potter and the Philosopher's Stone", b.getValue("title").stringValue());
        } else {
            fail("Found unexpected binding set in result: " + b.toString());
        }
    }
}

Example 87 with Literal

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

the class RDFParserHelperTest method testCreateLiteralLabelOnly.

/**
 * Test method for
 * {@link org.eclipse.rdf4j.rio.helpers.RDFParserHelper#createLiteral(java.lang.String, java.lang.String, org.eclipse.rdf4j.model.URI, org.eclipse.rdf4j.rio.ParserConfig, org.eclipse.rdf4j.rio.ParseErrorListener, org.eclipse.rdf4j.model.ValueFactory)}
 * .
 */
@Test
public final void testCreateLiteralLabelOnly() throws Exception {
    Literal literal = RDFParserHelper.createLiteral(LABEL_TESTA, null, null, parserConfig, errListener, valueFactory);
    assertEquals(LABEL_TESTA, literal.getLabel());
    assertFalse(literal.getLanguage().isPresent());
    assertEquals(XMLSchema.STRING, literal.getDatatype());
}

Example 88 with Literal

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

the class RDFParserHelperTest method testCreateLiteralLabelAndLanguageWithRDFLangString.

/**
 * Test method for
 * {@link org.eclipse.rdf4j.rio.helpers.RDFParserHelper#createLiteral(java.lang.String, java.lang.String, org.eclipse.rdf4j.model.URI, org.eclipse.rdf4j.rio.ParserConfig, org.eclipse.rdf4j.rio.ParseErrorListener, org.eclipse.rdf4j.model.ValueFactory)}
 * .
 * <p>
 * SES-1803 : Temporary decision to ensure RDF-1.0 backwards compatibility for Literals created by this
 * method in cases where {@link RDF#LANGSTRING} is given and there is a language.
 */
@Test
public final void testCreateLiteralLabelAndLanguageWithRDFLangString() throws Exception {
    Literal literal = RDFParserHelper.createLiteral(LABEL_TESTA, LANG_EN, RDF.LANGSTRING, parserConfig, errListener, valueFactory);
    assertEquals(LABEL_TESTA, literal.getLabel());
    assertEquals(LANG_EN, literal.getLanguage().orElse(null));
    assertEquals(RDF.LANGSTRING, literal.getDatatype());
}

Example 89 with Literal

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

the class JSONLDWriterTest method testRoundTripNamespaces.

@Test
public void testRoundTripNamespaces() throws Exception {
    String exNs = "http://example.org/";
    IRI uri1 = vf.createIRI(exNs, "uri1");
    IRI uri2 = vf.createIRI(exNs, "uri2");
    Literal plainLit = vf.createLiteral("plain", XMLSchema.STRING);
    Statement st1 = vf.createStatement(uri1, uri2, plainLit);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    RDFWriter rdfWriter = rdfWriterFactory.getWriter(out);
    rdfWriter.getWriterConfig().set(JSONLDSettings.JSONLD_MODE, JSONLDMode.COMPACT);
    rdfWriter.handleNamespace("ex", exNs);
    rdfWriter.startRDF();
    rdfWriter.handleStatement(st1);
    rdfWriter.endRDF();
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    RDFParser rdfParser = rdfParserFactory.getParser();
    ParserConfig config = new ParserConfig();
    config.set(BasicParserSettings.FAIL_ON_UNKNOWN_DATATYPES, true);
    config.set(BasicParserSettings.FAIL_ON_UNKNOWN_LANGUAGES, true);
    rdfParser.setParserConfig(config);
    rdfParser.setValueFactory(vf);
    Model model = new LinkedHashModel();
    rdfParser.setRDFHandler(new StatementCollector(model));
    rdfParser.parse(in, "foo:bar");
    assertEquals("Unexpected number of statements, found " + model.size(), 1, model.size());
    assertTrue("missing namespaced statement", model.contains(st1));
    if (rdfParser.getRDFFormat().supportsNamespaces()) {
        assertTrue("Expected at least one namespace, found " + model.getNamespaces().size(), model.getNamespaces().size() >= 1);
        assertEquals(exNs, model.getNamespace("ex").get().getName());
    }
}

Example 90 with Literal

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

the class SPARQLJSONTupleBackgroundTest method testBindings2.

@Test
public void testBindings2() throws Exception {
    SPARQLResultsJSONParser parser = new SPARQLResultsJSONParser(SimpleValueFactory.getInstance());
    QueryResultCollector handler = new QueryResultCollector();
    parser.setQueryResultHandler(handler);
    InputStream stream = this.getClass().getResourceAsStream("/sparqljson/bindings2.srj");
    assertNotNull("Could not find test resource", stream);
    parser.parseQueryResult(stream);
    // there must be 7 variables
    assertEquals(7, handler.getBindingNames().size());
    // first must be called "x", etc.,
    assertEquals("x", handler.getBindingNames().get(0));
    assertEquals("hpage", handler.getBindingNames().get(1));
    assertEquals("name", handler.getBindingNames().get(2));
    assertEquals("mbox", handler.getBindingNames().get(3));
    assertEquals("age", handler.getBindingNames().get(4));
    assertEquals("blurb", handler.getBindingNames().get(5));
    assertEquals("friend", handler.getBindingNames().get(6));
    // 2 results
    assertEquals(2, handler.getBindingSets().size());
    // Results are ordered, so first should be alice
    assertEquals("http://work.example.org/alice/", handler.getBindingSets().get(0).getValue("hpage").stringValue());
    for (BindingSet b : handler.getBindingSets()) {
        assertNotNull(b.getValue("x"));
        assertNotNull(b.getValue("hpage"));
        assertNotNull(b.getValue("name"));
        assertNotNull(b.getValue("mbox"));
        assertNotNull(b.getValue("friend"));
        assertTrue(b.getValue("x") instanceof BNode);
        assertTrue(b.getValue("hpage") instanceof IRI);
        assertTrue(b.getValue("name") instanceof Literal);
        assertTrue(b.getValue("friend") instanceof BNode);
        BNode value = (BNode) b.getValue("x");
        if (value.getID().equals("r1")) {
            assertNotNull(b.getValue("blurb"));
            assertTrue(b.getValue("mbox") instanceof Literal);
            assertTrue(b.getValue("blurb") instanceof Literal);
            assertEquals("http://work.example.org/alice/", b.getValue("hpage").stringValue());
            Literal name = (Literal) b.getValue("name");
            assertEquals("Alice", name.stringValue());
            assertFalse(name.getLanguage().isPresent());
            assertEquals(XMLSchema.STRING, name.getDatatype());
            Literal mbox = (Literal) b.getValue("mbox");
            assertEquals("", mbox.stringValue());
            assertFalse(mbox.getLanguage().isPresent());
            assertEquals(XMLSchema.STRING, mbox.getDatatype());
            Literal blurb = (Literal) b.getValue("blurb");
            assertEquals("<p xmlns=\"http://www.w3.org/1999/xhtml\">My name is <b>alice</b></p>", blurb.stringValue());
            assertFalse(blurb.getLanguage().isPresent());
            assertEquals(RDF.XMLLITERAL, blurb.getDatatype());
        } else if (value.getID().equals("r2")) {
            assertNull(b.getValue("blurb"));
            assertTrue(b.getValue("mbox") instanceof IRI);
            assertEquals("http://work.example.org/bob/", b.getValue("hpage").stringValue());
            Literal name = (Literal) b.getValue("name");
            assertEquals("Bob", name.stringValue());
            assertEquals("en", name.getLanguage().orElse(null));
            assertEquals(RDF.LANGSTRING, name.getDatatype());
            assertEquals("mailto:bob@work.example.org", b.getValue("mbox").stringValue());
        } else {
            fail("Found unexpected binding set in result: " + b.toString());
        }
    }
    assertEquals(1, handler.getLinks().size());
    assertEquals("http://www.w3.org/TR/2013/REC-sparql11-results-json-20130321/#example", handler.getLinks().get(0));
}