Exemplo n.º 1
0
 public static List<RDFFormat> filterAvailableParsers(List<RDFFormat> rdfFormats) {
   final List<RDFFormat> result = new ArrayList<>();
   final RDFParserRegistry parserRegistry = RDFParserRegistry.getInstance();
   for (RDFFormat f : rdfFormats) {
     if (parserRegistry.has(f)) {
       result.add(f);
     }
   }
   return result;
 }
Exemplo n.º 2
0
  private RDFFormat findRDFFormat(final String s) {
    Optional<RDFFormat> f;

    f = RDFParserRegistry.getInstance().getFileFormatForMIMEType(s);

    if (!f.isPresent()) {
      f = RDFParserRegistry.getInstance().getFileFormatForFileName("example." + s);
    }

    if (!f.isPresent()) {
      throw new IllegalArgumentException("no matching RDF format for '" + s + "'");
    }

    return f.get();
  }
Exemplo n.º 3
0
  /**
   * Parse the HTTP response entity returned by the web service call and return its contents as a
   * Sesame RDF repository. The content type returned by the web service is passed as argument to
   * help the implementation decide how to parse the data.
   *
   * @param resourceUri
   * @param triples
   * @param in input stream as returned by the remote webservice
   * @param contentType content type as returned in the HTTP headers of the remote
   *     webservice @return an RDF repository containing an RDF representation of the dataset
   *     located at the remote resource.
   * @throws java.io.IOException in case an error occurs while reading the input stream
   */
  @Override
  public List<String> parseResponse(
      final String resourceUri,
      String requestUrl,
      Model triples,
      InputStream in,
      String contentType)
      throws DataRetrievalException {
    RDFFormat format =
        RDFParserRegistry.getInstance().getFileFormatForMIMEType(contentType, RDFFormat.RDFXML);

    try {
      ModelCommons.add(
          triples,
          in,
          resourceUri,
          format,
          new Predicate<Statement>() {
            @Override
            public boolean test(Statement param) {
              return StringUtils.equals(param.getSubject().stringValue(), resourceUri);
            }
          });

      return Collections.emptyList();
    } catch (RDFParseException e) {
      throw new DataRetrievalException("parse error while trying to parse remote RDF content", e);
    } catch (IOException e) {
      throw new DataRetrievalException("I/O error while trying to read remote RDF content", e);
    }
  }