Java Graph类代码示例

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
/**
 * Get SIOC content from the RDF as text and return it.
 *
 * @param entity
 * @return
 * @throws IOException
 */
@Override
protected TripleCollection generateRdf(HttpRequestEntity entity) throws IOException {
    String text = "";
    Graph graph = Parser.getInstance().parse(entity.getData(), "text/turtle");
    Iterator<Triple> triples = graph.filter(null, SIOC.content, null);
    if (triples.hasNext()) {
        Literal literal = (Literal) triples.next().getObject();
        text = literal.getLexicalForm();
    }

    final TripleCollection result = new SimpleMGraph();
    final Resource resource = entity.getContentLocation() == null
            ? new BNode()
            : new UriRef(entity.getContentLocation().toString());
    final GraphNode node = new GraphNode(resource, result);
    node.addProperty(RDF.type, TEXUAL_CONTENT);
    node.addPropertyValue(SIOC.content, text);
    node.addPropertyValue(new UriRef("http://example.org/ontology#textLength"), text.length());
    return result;
}
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
@Test
public void testSilkRdfTurtle() throws IOException {

    Response response
            = RestAssured.given().header("Accept", "text/turtle")
            .contentType("text/turtle;charset=UTF-8")
            .content(ttlData)
            .expect().statusCode(HttpStatus.SC_OK).content(new StringContains("http://www.w3.org/2002/07/owl#sameAs")).header("Content-Type", SupportedFormat.TURTLE).when()
            .post();

    
     Graph graph = Parser.getInstance().parse(response.getBody().asInputStream(), "text/turtle");
     Iterator<Triple> typeTriples = graph.filter(null, OWL.sameAs, null);
     Assert.assertTrue("No equivalent entities found", typeTriples.hasNext());
     
}
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
@Test
  public void testRemoteConfig() {
   // Set up a service in the mock server to respond to a get request that must be sent by the transformer 
      // to fetch the silk config file 
stubFor(get(urlEqualTo("/fusepoolp3/silk-config-file.xml"))
   	    .willReturn(aResponse()
   			.withStatus(HttpStatus.SC_OK)
   			.withHeader("Content-Type", "text/xml")
   			.withBody(silkconf)));

// The response object acts as a transformer's client. It sends a post request
// to the transformer with the url of the silk config file, the data to be interlinked
// and gets the result from the transformer.
  	Response response = 
   	RestAssured.given().header("Accept", "text/turtle")
   	.contentType("text/turtle")
   	.content(ttlData)
   	.expect().statusCode(HttpStatus.SC_OK).when()
   	.post("/?config=http://localhost:" + mockPort +"/fusepoolp3/silk-config-file.xml");
  	
  	Graph graph = Parser.getInstance().parse(response.getBody().asInputStream(), SupportedFormat.TURTLE);
      Iterator<Triple> typeTriples = graph.filter(null, OWL.sameAs, null);
      Assert.assertTrue("No equivalent entities found", typeTriples.hasNext());
  	
  }
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
@Test
public void testXML() throws Exception {
	Transformer t = new TransformerClientImpl(setUpDataServer());
	// the transformer fetches the xml data from the data server, geocode the address 
	// and sends the RDF result to the client
       {
           Entity response = t.transform(new WritingEntity() {

               @Override
               public MimeType getType() {
                   return inputDataMimeType;
               }

               @Override
               public void writeData(OutputStream out) throws IOException {
                   out.write(inputData);
               }
               
           }, transformerMimeType );

           // the client receives the response from the transformer
           Assert.assertEquals("Wrong media Type of response", TRANSFORMER_MIME_TYPE, response.getType().toString());  
           // Parse the RDF data returned by the transformer after the geocoding 
           final Graph responseGraph = Parser.getInstance().parse(response.getData(), "text/turtle");
           //checks for the presence of a specific property added by the transformer to the input data
           final Iterator<Triple> propertyIter = responseGraph.filter(null, geo_lat, null);
           Assert.assertTrue("No specific property found in response", propertyIter.hasNext());
           //verify that the xml has been loaded from the data server (one call)
           //verify(1,getRequestedFor(urlEqualTo("/xml/" + XML_DATA)));
           
       }
}
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
@Test
public void turtleOnGet() throws UnsupportedEncodingException {
    Response response = RestAssured.given().header("Accept", "text/turtle")
            .expect().statusCode(HttpStatus.SC_OK).header("Content-Type", "text/turtle").when()
            .get(baseURI + "?t=" + transformerURI0 + "&t=" + transformerURI1 + "&t=" + transformerURI2);
    Graph graph = Parser.getInstance().parse(response.getBody().asInputStream(), "text/turtle");
    System.out.println(graph.toString());
}
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
@Test
public void turtlePost() {
    Response response = RestAssured.given()
            .header("Accept", "application/x-turtle; q=0.8, application/rdf+xml; q=0.9, text/turtle; q=1.0")
            .header("Content-Location", "http://example.com/test1")
            .contentType("text/plain;charset=UTF-8")
            .content("hello")
            .expect().statusCode(HttpStatus.SC_OK).header("Content-Type", "text/turtle").when()
            .post(baseURI + "?t=" + transformerURI0 + "&t=" + transformerURI1 + "&t=" + transformerURI2);
    Graph graph = Parser.getInstance().parse(response.getBody().asInputStream(), "text/turtle");
    Assert.assertTrue("Result doesn't contain originally posted text", graph.toString().contains("hello"));
}
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
@Test
public void turtlePost() {
    Response response = RestAssured.given().header("Accept", "text/turtle")
            .contentType("text/plain;charset=UTF-8")
            .content(testText)
            .expect().statusCode(HttpStatus.SC_OK).header("Content-Type", "text/turtle").when()
            .post(baseURI + "?taxonomy=" + testTaxonomy);
    System.out.println(response.getBody().toString());
    Graph graph = Parser.getInstance().parse(response.getBody().asInputStream(), "text/turtle");
    Iterator<Triple> typeTriples = graph.filter(null, RDF.type, FAM.LinkedEntity);
    Assert.assertTrue("No type triple found", typeTriples.hasNext());
}
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
/**
    * The transformer receives RDF data and a url from the client, fetches the SILK config file from the url, applies the linkage rules
    * and then check if the transformation is compatible with the expected result.
    * @throws Exception
    */
@Test
   public void testTransformation() throws Exception {
	
       Transformer t = new TransformerClientImpl(setUpMockServer());
       // the transformer fetches the SILK config file from the mock server, applies its rules and sends the RDF result to the client
       {
           Entity response = t.transform(new WritingEntity() {

               @Override
               public MimeType getType() {
                   return clientDataMimeType;
               }

               @Override
               public void writeData(OutputStream out) throws IOException {
                   out.write(ttlData);
               }
           }, transformerMimeType);

           // the client receives the response from the transformer
           Assert.assertEquals("Wrong media Type of response", transformerMimeType.toString(), response.getType().toString());  
           // Parse the RDF data returned by the transformer after the xslt transformation has been applied to the xml data
           final Graph responseGraph = Parser.getInstance().parse(response.getData(), "text/turtle");
           //checks for the presence of a specific property added by the transformer
           final Iterator<Triple> propertyIter = responseGraph.filter(null, OWL.sameAs, null);
           Assert.assertTrue("No specific property found in response", propertyIter.hasNext());
           
       }
               
    
}
 

import org.apache.clerezza.rdf.core.Graph; //导入依赖的package包/类
private Response okGraphResponse(HttpHeaders headers, Graph graph){
	ResponseBuilder rb = Response.ok(graph);
    if (headers.getAcceptableMediaTypes().isEmpty()) {
        // use RDF/XML as default format to keep compat with OpenCalaisclients
        System.out.println("NO ACCEPTABLE MEDIA TYPE");
        rb.header(HttpHeaders.CONTENT_TYPE, RDF_XML+"; charset=UTF-8");
       
    }
    log.error("je passe bien ici allow bien");
    //rb.header(\"Access-Control-Allow-Headers", \"Authorization");
    //rb.header(\"Access-Control-Allow-Origin", \"*");
    enableCORS(servletContext,rb, headers);
    //addCORSOrigin(servletContext,rb, headers);
    return rb.build();
}