Package org.apache.clerezza.rdf.core.serializedform

Examples of org.apache.clerezza.rdf.core.serializedform.SerializingProvider

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   * Serialize Graph to turtle format and deserialize.
   */
  @Test
  public void testTurtleSerializer() {
    initializeGraph();
    SerializingProvider provider = new JenaSerializerProvider();

    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph.getGraph(),
        "text/turtle");
    InputStream in = new ByteArrayInputStream(serializedGraph.toByteArray());

    Graph deserializedGraph = parse(in, "TURTLE");
    // due to http://issues.trialox.org/jira/browse/RDF-6 we cannot just
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  }

  @Test
  public void testTurtleSerializerWithParam() {
    initializeGraph();
    SerializingProvider provider = new JenaSerializerProvider();

    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph.getGraph(),
        "text/turtle;param=test");
    InputStream in = new ByteArrayInputStream(serializedGraph.toByteArray());

    Graph deserializedGraph = parse(in, "TURTLE");
    Assert.assertEquals(mGraph.getGraph(), deserializedGraph);
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   */
  @Test
  public void testRdfXmlSerializer() {
    initializeGraph();

    SerializingProvider provider = new JenaSerializerProvider();

    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph.getGraph(),
        "application/rdf+xml");
    InputStream in = new ByteArrayInputStream(serializedGraph.toByteArray());

    Graph deserializedGraph = parse(in, "RDF/XML-ABBREV");
    Assert.assertEquals(mGraph.getGraph(), deserializedGraph);
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   * Serialize Graph to rdf+nt format and deserialize.
   */
  @Test
  public void testRdfNtSerializer() {
    initializeGraph();
    SerializingProvider provider = new JenaSerializerProvider();

    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph.getGraph(), "text/rdf+nt");
    InputStream in = new ByteArrayInputStream(serializedGraph.toByteArray());

    Graph deserializedGraph = parse(in, "N-TRIPLE");
    Assert.assertEquals(mGraph.getGraph(), deserializedGraph);
  }
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   * Serialize Graph to rdf+n3 format and deserialize.
   */
  @Test
  public void testRdfN3Serializer() {
    initializeGraph();
    SerializingProvider provider = new JenaSerializerProvider();

    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph.getGraph(), "text/rdf+n3");
    InputStream in = new ByteArrayInputStream(serializedGraph.toByteArray());

    Graph deserializedGraph = parse(in, "N3");
    Assert.assertEquals(mGraph.getGraph(), deserializedGraph);
  }
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    }

  @Test
  public void testSerializationOfBNode() {
    mGraph.add(new TripleImpl(node1, prop1, blank1));
    SerializingProvider provider = new RdfJsonSerializingProvider();
    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph, "application/rdf+json");
    Assert.assertTrue(serializedGraph.toString().contains("_:"));
  }
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    mGraph.add(new TripleImpl(blank1, RDF.rest, RDF_NIL));
    mGraph.add(new TripleImpl(blank2, prop1, node1));

//    System.out.println(mGraph);

    SerializingProvider provider = new RdfJsonSerializingProvider();
    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph, "application/rdf+json");

//    System.out.println(serializedGraph.toString());

    ParsingProvider parsingProvider = new RdfJsonParsingProvider();
    ByteArrayInputStream jsonIn = new ByteArrayInputStream(serializedGraph.toByteArray());
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    mGraph.add(new TripleImpl(node2, prop3, plainLiteralB));
    mGraph.add(new TripleImpl(blank1, prop4, plainLiteralC));
    mGraph.add(new TripleImpl(blank1, prop5, typedLiteralA));
    mGraph.add(new TripleImpl(node1, prop6, blank1));

    SerializingProvider provider = new RdfJsonSerializingProvider();
    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    provider.serialize(serializedGraph, mGraph, "application/rdf+json");
//        System.out.println(serializedGraph.toString());
    ParsingProvider parsingProvider = new RdfJsonParsingProvider();
    ByteArrayInputStream jsonIn = new ByteArrayInputStream(serializedGraph.toByteArray());
    MGraph parsedMGraph = new SimpleMGraph();
    parsingProvider.parse(parsedMGraph, jsonIn, "application/rdf+json", null);
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        sortedTriples = null;
        subjects = null;
       
    int originalSize = mGraph.size();
   
    SerializingProvider provider = new RdfJsonSerializingProvider();
    ByteArrayOutputStream serializedGraph = new ByteArrayOutputStream();
    long start = System.currentTimeMillis();
    provider.serialize(serializedGraph, mGraph, "application/rdf+json");
    System.out.println("Serialized " + mGraph.size() + " Triples in " + (System.currentTimeMillis() - start) + " ms");
        ParsingProvider parsingProvider = new RdfJsonParsingProvider();
        ByteArrayInputStream jsonIn = new ByteArrayInputStream(serializedGraph.toByteArray());
        MGraph parsedMGraph = new SimpleMGraph();
        parsingProvider.parse(parsedMGraph, jsonIn, "application/rdf+json", null);
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        } else {
            // Non-native formats that require a conversion to Clerezza
            if (RDF_JSON_TYPE.equals(mediaType) || N3_TYPE.equals(mediaType)
                || TEXT_PLAIN.equals(mediaType.toString()) || N_TRIPLE_TYPE.equals(mediaType)) {
                TripleCollection mGraph = OWLAPIToClerezzaConverter.owlOntologyToClerezzaMGraph(ontology);
                SerializingProvider serializer = null;
                if (RDF_JSON_TYPE.equals(mediaType)) serializer = new RdfJsonSerializingProvider();
                else if (N3_TYPE.equals(mediaType) || N_TRIPLE_TYPE.equals(mediaType)
                         || TEXT_PLAIN.equals(mediaType.toString())) serializer = new JenaSerializerProvider();

                // text/plain is interpreted as N3.
                if (serializer != null) serializer.serialize(out, mGraph,
                    TEXT_PLAIN.equals(mediaType.toString()) ? N3 : mediaType.toString());
            }
        }

        // JSON_LD not supported until both parser and serializer are stable.
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Related Classes of org.apache.clerezza.rdf.core.serializedform.SerializingProvider

  • org.apache.clerezza.rdf.jena.serializer.TestJenaSerializerProvider
  • org.apache.clerezza.rdf.rdfjson.serializer.RdfJsonSerializerProviderTest
  • org.apache.stanbol.commons.owl.transformation.JenaToClerezzaConverter
  • org.apache.stanbol.commons.owl.transformation.OWLAPIToClerezzaConverter
  • org.apache.stanbol.commons.owl.web.OWLOntologyWriter
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