Examples with RDFXMLParser org.openrdf.rio.rdfxml.RDFXMLParser used on opensource projects

Example 1 with RDFXMLParser

use of org.openrdf.rio.rdfxml.RDFXMLParser in project incubator-rya by apache.

the class ConformanceTest method getTests.

/**
 * Query a connection for conformance test details.
 */
Collection<OwlTest> getTests(final RepositoryConnection conn, final Set<Value> testURIs) throws IOException, OpenRDFException {
    final Map<Value, OwlTest> tests = new HashMap<>();
    final TupleQuery query = conn.prepareTupleQuery(QueryLanguage.SPARQL, "select * where { " + "?test <" + TYPE + "> ?testType .\n" + "?test <" + TEST_PREMISE + "> ?graph .\n" + "?test <" + TEST_ID + "> ?name .\n" + "?test <" + TEST_DESC + "> ?description .\n" + "?test <" + TEST_PROFILE + "> <" + TEST_RL + "> .\n" + "?test <" + TEST_SEMANTICS + "> <" + TEST_RDFBASED + "> .\n" + "OPTIONAL {?test <" + TEST_CONCLUSION + "> ?conclusion .}\n" + "OPTIONAL {?test <" + TEST_NONCONCLUSION + "> ?nonentailed .}\n" + "}");
    final TupleQueryResult queryResult = query.evaluate();
    while (queryResult.hasNext()) {
        final BindingSet bindings = queryResult.next();
        final Value uri = bindings.getValue("test");
        if (testURIs.contains(uri)) {
            OwlTest test;
            if (tests.containsKey(uri)) {
                test = tests.get(uri);
            } else {
                test = new OwlTest();
                test.uri = uri;
                test.name = bindings.getValue("name").stringValue();
                test.description = bindings.getValue("description").stringValue();
                test.premise = bindings.getValue("graph").stringValue();
                if (bindings.hasBinding("conclusion")) {
                    test.compareTo = bindings.getValue("conclusion").stringValue();
                }
                if (bindings.hasBinding("nonentailed")) {
                    test.compareTo = bindings.getValue("nonentailed").stringValue();
                }
                tests.put(uri, test);
            }
            test.types.add(bindings.getValue("testType").stringValue());
        }
    }
    for (final OwlTest test : tests.values()) {
        if (test.compareTo != null) {
            final RDFXMLParser parser = new RDFXMLParser();
            parser.setRDFHandler(test);
            parser.parse(new StringReader(test.compareTo), "");
        }
    }
    queryResult.close();
    return tests.values();
}

Example 2 with RDFXMLParser

use of org.openrdf.rio.rdfxml.RDFXMLParser in project backstage by zepheira.

the class DataLoadingUtilities method loadDataFromStream.

public static void loadDataFromStream(InputStream stream, String sourceURL, String lang, Sail sail) throws Exception {
    RepoSailTuple rs = createMemoryRepository(null);
    Repository r = rs.repository;
    lang = lang.toLowerCase();
    if ("exhibit/json".equals(lang)) {
        Properties properties = new Properties();
        BabelReader reader = new ExhibitJsonReader();
        try {
            if (reader.takesReader()) {
                InputStreamReader isr = new InputStreamReader(stream);
                reader.read(isr, sail, properties, Locale.getDefault());
            } else {
                reader.read(stream, sail, properties, Locale.getDefault());
            }
        } finally {
            stream.close();
        }
    } else {
        RDFParser parser = null;
        if ("rdfxml".equals(lang)) {
            parser = new RDFXMLParser(r.getValueFactory());
        } else if ("n3".equals(lang) || "turtle".equals(lang)) {
            parser = new TurtleParser(r.getValueFactory());
        } else if ("ntriples".equals(lang)) {
            parser = new NTriplesParser(r.getValueFactory());
        }
        try {
            SailConnection c = null;
            try {
                c = sail.getConnection();
                BNodeConverterStatementHandler handler = new BNodeConverterStatementHandler(c);
                parser.setRDFHandler(handler);
                parser.setParseErrorListener(new LoggingParseErrorListener(sourceURL));
                parser.setVerifyData(false);
                parser.setStopAtFirstError(false);
                parser.parse(stream, sourceURL);
                c.commit();
                _logger.info("Read " + handler.m_count + " statements from '" + sourceURL + "'");
            } catch (RepositoryException e) {
                if (c != null)
                    c.rollback();
            } finally {
                if (c != null)
                    c.close();
            }
        } catch (Exception e) {
            throw new ModelReadFromFileException("Failed to read data from '" + sourceURL + "'", e);
        } finally {
            stream.close();
        }
    }
}