Examples with StatementCollector org.openrdf.rio.helpers.StatementCollector used on opensource projects

Example 1 with StatementCollector

use of org.openrdf.rio.helpers.StatementCollector in project vcell by virtualcell.

the class JDOM2Model method addJDOM.

public void addJDOM(Element element, String baseURI) throws IOException, RDFParseException, RDFHandlerException {
    Document document = new Document((Element) element.clone());
    StringWriter stringWriter = new StringWriter();
    new XMLOutputter().output(document, stringWriter);
    StringReader stringReader = new StringReader(stringWriter.getBuffer().toString());
    RDFParser rdfParser = Rio.createParser(RDFFormat.RDFXML);
    rdfParser.setRDFHandler(new StatementCollector(model));
    rdfParser.parse(stringReader, baseURI);
}

Example 2 with StatementCollector

use of org.openrdf.rio.helpers.StatementCollector in project vcell by virtualcell.

the class SesameRioUtil method createRDFParser.

public static RDFParser createRDFParser(Graph graph, Map<String, String> nsMap, RDFFormat format) {
    RDFParser parser = Rio.createParser(format);
    StatementCollector statementCollector = new StatementCollector(graph, nsMap);
    parser.setRDFHandler(statementCollector);
    return parser;
}

Example 3 with StatementCollector

use of org.openrdf.rio.helpers.StatementCollector in project wikidata-query-rdf by wikimedia.

the class WikibaseRepository method fetchRdfForEntity.

/**
 * Fetch the RDF for some entity.
 *
 * @throws RetryableException thrown if there is an error communicating with
 *             wikibase
 */
public Collection<Statement> fetchRdfForEntity(String entityId) throws RetryableException {
    // TODO handle ?flavor=dump or whatever parameters we need
    URI uri = uris.rdf(entityId);
    long start = System.currentTimeMillis();
    log.debug("Fetching rdf from {}", uri);
    RDFParser parser = Rio.createParser(RDFFormat.TURTLE);
    StatementCollector collector = new StatementCollector();
    parser.setRDFHandler(new NormalizingRdfHandler(collector));
    HttpGet request = new HttpGet(uri);
    request.setConfig(configWithTimeout);
    try {
        try (CloseableHttpResponse response = client.execute(request)) {
            if (response.getStatusLine().getStatusCode() == 404) {
                // A delete/nonexistent page
                return Collections.emptyList();
            }
            if (response.getStatusLine().getStatusCode() >= 300) {
                throw new ContainedException("Unexpected status code fetching RDF for " + uri + ":  " + response.getStatusLine().getStatusCode());
            }
            parser.parse(new InputStreamReader(response.getEntity().getContent(), Charsets.UTF_8), uri.toString());
        }
    } catch (UnknownHostException | SocketException | SSLHandshakeException e) {
        // We want to bail on this, since it happens to be sticky for some reason
        throw new RuntimeException(e);
    } catch (IOException e) {
        throw new RetryableException("Error fetching RDF for " + uri, e);
    } catch (RDFParseException | RDFHandlerException e) {
        throw new ContainedException("RDF parsing error for " + uri, e);
    }
    log.debug("Done in {} ms", System.currentTimeMillis() - start);
    return collector.getStatements();
}

Example 4 with StatementCollector

use of org.openrdf.rio.helpers.StatementCollector in project incubator-rya by apache.

the class RyaAccumuloSailFactoryTest method testCreateFromTemplateName.

@Test
public void testCreateFromTemplateName() throws Exception {
    LocalRepositoryManager repoman = new LocalRepositoryManager(Files.createTempDir());
    repoman.initialize();
    try (InputStream templateStream = RepositoryConfig.class.getResourceAsStream("RyaAccumuloSail.ttl")) {
        String template = IOUtils.toString(templateStream);
        final ConfigTemplate configTemplate = new ConfigTemplate(template);
        final Map<String, String> valueMap = ImmutableMap.<String, String>builder().put("Repository ID", "RyaAccumuloSail").put("Repository title", "RyaAccumuloSail Store").put("Rya Accumulo user", "root").put("Rya Accumulo password", "").put("Rya Accumulo instance", "dev").put("Rya Accumulo zookeepers", "zoo1,zoo2,zoo3").put("Rya Accumulo is mock", "true").build();
        final String configString = configTemplate.render(valueMap);
        // final Repository systemRepo = this.state.getManager().getSystemRepository();
        final Graph graph = new LinkedHashModel();
        final RDFParser rdfParser = Rio.createParser(RDFFormat.TURTLE);
        rdfParser.setRDFHandler(new StatementCollector(graph));
        rdfParser.parse(new StringReader(configString), RepositoryConfigSchema.NAMESPACE);
        final Resource repositoryNode = GraphUtil.getUniqueSubject(graph, RDF.TYPE, RepositoryConfigSchema.REPOSITORY);
        final RepositoryConfig repConfig = RepositoryConfig.create(graph, repositoryNode);
        repConfig.validate();
        repoman.addRepositoryConfig(repConfig);
        Repository r = repoman.getRepository("RyaAccumuloSail");
        r.initialize();
    }
}

Example 5 with StatementCollector

use of org.openrdf.rio.helpers.StatementCollector in project eol-globi-data by jhpoelen.

the class LinkerTrustyNanoPubsTest method toTrigString.

private String toTrigString(InputStream rdfIn) throws IOException, RDFParseException, RDFHandlerException {
    TriGParser rdfParser = new TriGParser();
    Model model = new LinkedHashModel();
    rdfParser.setRDFHandler(new StatementCollector(model));
    rdfParser.parse(rdfIn, "http://example.com");
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    Rio.write(model, out, RDFFormat.TRIG);
    return new String(out.toByteArray(), "UTF-8");
}