Examples of com.hp.hpl.jena.rdf.model.Resource

com.hp.hpl.jena.rdf.model.Resource
An RDF Resource. Resource instances when created may be associated with a specific model. Resources created by a model will refer to that model, and support a range of methods, such as getProperty() and addProperty() which will access or modify that model. This enables the programmer to write code in a compact and easy style.
Resources created by ResourceFactory will not refer to any model, and will not permit operations which require a model. Such resources are useful as general constants.
This interface provides methods supporting typed literals. This means that methods are provided which will translate a built in type, or an object to an RDF Literal. This translation is done by invoking the toString() method of the object, or its built in equivalent. The reverse translation is also supported. This is built in for built in types. Factory objects, provided by the application, are used for application objects.

This interface provides methods for supporting enhanced resources. An enhanced resource is a resource to which the application has added behaviour. RDF containers are examples of enhanced resources built in to this package. Enhanced resources are supported by encapsulating a resource created by an implementation in another class which adds the extra behaviour. Factory objects are used to construct such enhanced resources.

    ResIterator subjectIter = model.listSubjectsWithProperty(
        ACCOUNTMANAGER.userName, username);
    if (!subjectIter.hasNext()) {
      return null;
    }
    Resource subject = subjectIter.nextResource();
    if (subjectIter.hasNext()) {
      throw new RuntimeException("Username ambiguos");
    }
    return subject;
  }

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            model.notifyEvent( GraphEvents.finishRead );
        }
    }
    
    protected final void unwrappedReadRDF() {
        Resource subject;
        Property predicate = null;
        RDFNode object;


        while (!in.eof()) {
            while (!in.eof()) {

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            }
        }
    }


    protected Resource lookupResource(String name)  {
        Resource r;
        r = model.createResource(getAnonId(name));
        return r;
    }

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    Model logModel = JenaUtil.getModelFromGraph(currentLog);
    Set<Source> result = new HashSet<Source>();
    ResIterator sourceIter = configurationModel.listSubjectsWithProperty(
        RDF.type, AGGREGATOR.AggregatedSource);
    while (sourceIter.hasNext()) {
      Resource aggregatedSource = sourceIter.nextResource();
      Date lastAggregation = getLastAggregationDate((Resource) aggregatedSource
          .inModel(logModel));
      if (lastAggregation == null) {
        result.add(new SourceImpl(aggregatedSource.getURI()));
      } else {
        int aggregationInterval = aggregatedSource.getProperty(
            AGGREGATOR.interval).getInt();
        Date aggregationDueDate = new Date(lastAggregation.getTime()
            + aggregationInterval * 1000);
        if (!aggregationDueDate.after(now)) {
          result.add(new SourceImpl(aggregatedSource.getURI()));
        }
      }
    }
    return result;
  }

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    public Configuration(Store store, GraphOverTime configGOT,
        NamedNode configuration) {


      Graph configGraph = configGOT.getGraph(new Date());
      Model configModel = JenaUtil.getModelFromGraph(configGraph);
      Resource httpConfigRes = configModel.createResource(configuration
          .getURIRef());
      Statement amConfigStmt = httpConfigRes
          .getProperty(WEBACCOUNTMANAGER.webAccountManagerConfiguration);
      if (amConfigStmt != null) {
        Resource amConfigRes = amConfigStmt.getResource();
        Statement smtpHostStmt = amConfigRes
            .getProperty(WEBACCOUNTMANAGER.smtpServer);
        if (smtpHostStmt != null) {
          smtpHost = smtpHostStmt.getString();
        }
        Statement fromAddressStmt = amConfigRes
            .getProperty(WEBACCOUNTMANAGER.fromAddress);
        if (fromAddressStmt != null) {
          fromAddress = fromAddressStmt.getString();
        }
      }

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    Model model = aggregatedSource.getModel();
    ResIterator downloadAttempts = model
        .listSubjectsWithProperty(AGGREGATOR.aggregatedSource, aggregatedSource);
    Date result = null;
    while (downloadAttempts.hasNext()) {
      Resource downloadAtttempt = downloadAttempts.nextResource();
      Date time;
      try {
        time = new W3CDateFormat().parse(downloadAtttempt.getProperty(
            AGGREGATOR.time).getString());
      } catch (ParseException e) {
        throw new RuntimeException(e);
      }
      if ((result == null) || (time.after(result))) {

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      throw new RuntimeException(e);
    }
    Date now = new Date();


    Model logEntryModel = ModelFactory.createDefaultModel();
    Resource downloadAttempt = logEntryModel
        .createResource(AGGREGATOR.DownloadAttempt);
    downloadAttempt.addProperty(AGGREGATOR.time, new W3CDateFormat()
        .format(now), XSDDatatype.XSDdateTime);
    downloadAttempt.addProperty(AGGREGATOR.aggregatedSource, logEntryModel
        .createResource(aggregatedSource.getURIRef()));
    downloadAttempt.addProperty(AGGREGATOR.aggregator, logEntryModel
        .createResource(identity.getURIRef()));
    Graph logEntryGraph = JenaUtil.getGraphFromModel(logEntryModel, true);
    final StringWriter aggregationWarningWriter = new StringWriter();
    final StringWriter aggregationErrorWriter = new StringWriter();
    try {
      Model model = ModelFactory.createDefaultModel();
      // model.read(url.toString());
      JenaReader jenaReader = new JenaReader();
      jenaReader.setErrorHandler(new RDFErrorHandler() {


        public void error(Exception e) {
          aggregationErrorWriter.write(e.getMessage());
        }


        public void fatalError(Exception e) {
          aggregationErrorWriter.write("FATAL: ");
          aggregationErrorWriter.write(e.getMessage());
          log.info("Fatal Error aggregating "+aggregatedSource, e);
          throw new AllreadyLoggedRuntimeException(e);
        }


        public void warning(Exception e) {
          aggregationWarningWriter.write(e.getMessage());
        }


      });
      jenaReader.read(model, url.toString());
      String errorMessage = aggregationErrorWriter.toString();
      if (errorMessage.equals("")) {
        Graph graph = JenaUtil.getGraphFromModel(model, true);
        store.updateGraph(aggregatedSource, new FCAGraphImpl(graph));
      } else {
        if (!errorMessage.equals("")) {
          downloadAttempt.addProperty(AGGREGATOR.errorMessage, errorMessage);
        }
      }
    } catch (Throwable th) {
      if (!(th instanceof AllreadyLoggedRuntimeException)) {
        String errorMessage = th.getMessage();
        if (errorMessage == null) {
          errorMessage = th.toString();
        }
        downloadAttempt.addProperty(AGGREGATOR.errorMessage, errorMessage);
      }
    }
    String warningMessage = aggregationWarningWriter.toString();
    if (!warningMessage.equals("")) {
      downloadAttempt.addProperty(AGGREGATOR.warningMessage, warningMessage);
    }


    updateWorkingGraph(store, identity, now, aggregatedSource, logEntryGraph);
    //store.assertGraph(identity, new FCAGraphImpl(logEntryGraph), now);
  }

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    Source identity = new SourceImpl("http://example.org/tests/identity");
    Set<Source> trustedSources  = new HashSet<Source>();
    trustedSources.add(identity);
    NamedNode configuration = new NamedNodeImpl("http://example.org/tests/configuration#");
    Model authorizationModel = ModelFactory.createDefaultModel();
    Resource user = authorizationModel.createResource(FOAF.Agent);
    user.addProperty(ACCOUNTMANAGER.userName, "beta");
    user.addProperty(ACCOUNTMANAGER.passwordSha1, Util.sha1("tester"));
    user.addProperty(AUTHORIZATION.mayImpersonate, authorizationModel.createResource(sourceURL.toString()));
    store.assertGraph(identity, new FCAGraphImpl(authorizationModel));
    WebServer webServer = GVSServerLauncher.launchGVSServer(store, serverBinding, identity ,
        trustedSources, configuration);


    Model model = ModelFactory.createDefaultModel();

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      private void addURIsForType(Model model, OntClass type) {
        ResIterator subjectIter = model.listSubjectsWithProperty(
            RDF.type, type);
        // model.write(System.out);
        while (subjectIter.hasNext()) {
          Resource infoDiscoResource = subjectIter.nextResource();
          RDFNode infoBitNode = infoDiscoResource.getProperty(
              DISCOBITS.infoBit).getObject();
          if (infoBitNode instanceof Literal) {
            final Literal literaInfoBit = (Literal) infoBitNode;
            infoDiscoBitURIs.put(infoDiscoResource.getURI(),
                new InfoBit() {


                  public MessageBody getContent() {
                    return new MessageBody2Read() {


                      public ReadableByteChannel read()
                          throws IOException {
                        // TODO Auto-generated method
                        // stub
                        return Channels
                            .newChannel(new ByteArrayInputStream(
                                literaInfoBit
                                    .getString()
                                    .getBytes(
                                        "utf-8")));
                      }


                    };
                  }


                  public String getMimeTypeString() {
                    return "application/xhtml+xml";
                  }


                });
          } else {
            final Resource literaInfoBit = (Resource) infoBitNode;
            infoDiscoBitURIs.put(infoDiscoResource.getURI(),
                new InfoBit() {


                  public MessageBody getContent() {
                    return new MessageBody2Read() {


                      public ReadableByteChannel read()
                          throws IOException {
                        // TODO Auto-generated method
                        // stub
                        return Channels
                            .newChannel(new ByteArrayInputStream(
                                (byte[]) literaInfoBit.getRequiredProperty(DISCOBITS.bytes).getLiteral().getValue()
                                    ));
                      }


                    };
                  }


                  public String getMimeTypeString() {
                    return literaInfoBit.getRequiredProperty(DISCOBITS.mediaType).getString();
                  }


                });
          }
        }

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      throws HandlerException {
    MultiPartBody body = ParameterUtil.parseMultipart(request);
    final FormFile formFile = body.getFormFileParameterValues("file")[0];
    final String locationString = body.getTextParameterValues("location")[0];
    final Model editableModel = ModelFactory.createDefaultModel();
    final Resource infoBitResource = editableModel.createResource();
    
    infoBitResource.addProperty(DISCOBITS.mediaType, formFile
        .getMimeType().toString());
    infoBitResource.addProperty(DISCOBITS.bytes, editableModel
        .createTypedLiteral(formFile.getContent()));
    infoBitResource.addProperty(RDF.type, DISCOBITS.InfoBit);
    store.perform(identity, new StoreTransaction() {


      public void execute(SourceStoreView storeView) {
        NamedNode locationNode = new NamedNodeImpl(locationString);
        FCAGraph origGraph = storeView.getGraph().filter(
            Collections.singleton((GroundedNode) locationNode));
        Model origModel = ModelFactory.createModelForGraph(origGraph);
        editableModel.add(origModel);
        Resource locationResource = editableModel
            .createResource(locationString);
        locationResource.addProperty(RDF.type, DISCOBITS.InfoDiscoBit);
        locationResource.removeAll(DISCOBITS.infoBit);
        locationResource.addProperty(DISCOBITS.infoBit, infoBitResource);
        storeView.revokeGraph(origGraph);
        storeView.assertGraph(new FCAGraphImpl(editableModel));
      }


    });

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