Examples with RDFHandlerException org.eclipse.rdf4j.rio.RDFHandlerException used on opensource projects

Example 6 with RDFHandlerException

use of org.eclipse.rdf4j.rio.RDFHandlerException in project rdf-transform by AtesComp.

the class PreviewRDFRecordVisitor method visit.

public boolean visit(Project theProject, Record theRecord) {
    // Test for end of sample...
    if (this.iLimit > 0 && this.iCount >= this.iLimit) {
        // ...stop visitation process
        return true;
    }
    try {
        if (Util.isDebugMode())
            PreviewRDFRecordVisitor.logger.info("DEBUG: Visiting Record: " + theRecord.recordIndex + " on count: " + this.iCount);
        ParsedIRI baseIRI = this.getRDFTransform().getBaseIRI();
        RepositoryConnection theConnection = this.getModel().getConnection();
        ValueFactory theFactory = theConnection.getValueFactory();
        List<ResourceNode> listRoots = this.getRDFTransform().getRoots();
        for (ResourceNode root : listRoots) {
            root.createStatements(baseIRI, theFactory, theConnection, theProject, theRecord);
            if (Util.isDebugMode()) {
                PreviewRDFRecordVisitor.logger.info("DEBUG:   " + "Root: " + root.getNodeName() + "(" + root.getNodeType() + ")  " + "Size: " + theConnection.size());
            }
        }
        this.iCount += 1;
        // Flush all statements...
        this.flushStatements();
    } catch (RepositoryException ex) {
        PreviewRDFRecordVisitor.logger.error("Connection Issue: ", ex);
        if (Util.isVerbose() || Util.isDebugMode())
            ex.printStackTrace();
        // ...stop visitation process
        return true;
    } catch (RDFHandlerException ex) {
        PreviewRDFRecordVisitor.logger.error("Flush Issue: ", ex);
        if (Util.isVerbose() || Util.isDebugMode())
            ex.printStackTrace();
        // ...stop visitation process
        return true;
    }
    return false;
}

Example 7 with RDFHandlerException

use of org.eclipse.rdf4j.rio.RDFHandlerException in project rdf-transform by AtesComp.

the class PreviewRDFRowVisitor method visit.

public boolean visit(Project theProject, int iRowIndex, Row theRow) {
    // Test for end of sample...
    if (this.iLimit > 0 && this.iCount >= this.iLimit) {
        // ...stop visitation process
        return true;
    }
    try {
        if (Util.isDebugMode())
            PreviewRDFRowVisitor.logger.info("DEBUG: Visiting Row: " + iRowIndex + " on count: " + this.iCount);
        ParsedIRI baseIRI = this.getRDFTransform().getBaseIRI();
        RepositoryConnection theConnection = this.getModel().getConnection();
        ValueFactory theFactory = theConnection.getValueFactory();
        List<ResourceNode> listRoots = this.getRDFTransform().getRoots();
        for (ResourceNode root : listRoots) {
            root.createStatements(baseIRI, theFactory, theConnection, theProject, iRowIndex);
            if (Util.isDebugMode()) {
                PreviewRDFRowVisitor.logger.info("DEBUG:   " + "Root: " + root.getNodeName() + "(" + root.getNodeType() + ")  " + "Size: " + theConnection.size());
            }
        }
        this.iCount += 1;
        this.flushStatements();
    } catch (RepositoryException ex) {
        PreviewRDFRowVisitor.logger.error("Connection Issue: ", ex);
        if (Util.isVerbose() || Util.isDebugMode())
            ex.printStackTrace();
        // ...stop visitation process
        return true;
    } catch (RDFHandlerException ex) {
        PreviewRDFRowVisitor.logger.error("Flush Issue: ", ex);
        if (Util.isVerbose() || Util.isDebugMode())
            ex.printStackTrace();
        // ...stop visitation process
        return true;
    }
    return false;
}

Example 8 with RDFHandlerException

use of org.eclipse.rdf4j.rio.RDFHandlerException in project corese by Wimmics.

the class Rdf4jExperimentations method testRio.

@Test
public void testRio() throws IOException {
    InputStream input_stream = Rdf4jExperimentations.class.getResourceAsStream("peopleWork.ttl");
    CoreseModel model = new CoreseModel();
    RDFParser rdfParser = Rio.createParser(RDFFormat.TURTLE);
    rdfParser.setRDFHandler(new StatementCollector(model));
    try {
        rdfParser.parse(input_stream);
    } catch (IOException e) {
    // handle IO problems (e.g. the file could not be read)
    } catch (RDFParseException e) {
    // handle unrecoverable parse error
    } catch (RDFHandlerException e) {
    // handle a problem encountered by the RDFHandler
    } finally {
        try {
            input_stream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    URL url_output = Rdf4jExperimentations.class.getResource("peopleWorkResult.ttl");
    FileOutputStream out = new FileOutputStream(url_output.getPath());
    try {
        Rio.write(model, out, RDFFormat.TURTLE);
    } finally {
        out.close();
    }
}

Example 9 with RDFHandlerException

use of org.eclipse.rdf4j.rio.RDFHandlerException in project incubator-streampipes by apache.

the class Deployment method getDescriptionAsJsonLd.

@POST
@Path("/description/jsonld")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response getDescriptionAsJsonLd(@FormDataParam("config") String config, @FormDataParam("model") String model) {
    DeploymentConfiguration deploymentConfig = fromJson(config);
    NamedStreamPipesEntity element = getElement(deploymentConfig, model);
    try {
        return Response.ok(JsonLdUtils.asString(new JsonLdTransformer().toJsonLd(element))).build();
    } catch (RDFHandlerException | IllegalAccessException | IllegalArgumentException | InvocationTargetException | SecurityException | ClassNotFoundException | InvalidRdfException e) {
        return Response.serverError().build();
    }
}

Example 10 with RDFHandlerException

use of org.eclipse.rdf4j.rio.RDFHandlerException in project ldp-coap-framework by sisinflab-swot.

the class CoAPLDPResourceManager method getFullResourceTuple.

private String getFullResourceTuple(String res, RDFFormat format) {
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        RDFWriter writer = Rio.createWriter(format, out);
        writer.startRDF();
        for (String prefix : ns.keySet()) {
            writer.handleNamespace(prefix, ns.get(prefix));
        }
        writeStatement(writer, res);
        writer.endRDF();
        return out.toString();
    } catch (RepositoryException e) {
        e.printStackTrace();
    } catch (RDFHandlerException e) {
        e.printStackTrace();
    }
    return null;
}