Examples with RepositoryException org.eclipse.rdf4j.repository.RepositoryException used on opensource projects

Example 51 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLProtocolSession method sendGraphQueryViaHttp.

private HttpResponse sendGraphQueryViaHttp(HttpUriRequest method, boolean requireContext, Set<RDFFormat> rdfFormats) throws RepositoryException, IOException, QueryInterruptedException, MalformedQueryException {
    List<String> acceptParams = RDFFormat.getAcceptParams(rdfFormats, requireContext, getPreferredRDFFormat());
    method.addHeader(ACCEPT_PARAM_NAME, String.join(", ", acceptParams));
    try {
        return executeOK(method);
    } catch (RepositoryException | MalformedQueryException | QueryInterruptedException e) {
        throw e;
    } catch (RDF4JException e) {
        throw new RepositoryException(e);
    }
}

Example 52 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLProtocolSession method getTupleQueryResult.

/**
 * Parse the response in this thread using the provided {@link TupleQueryResultHandler}. All HTTP
 * connections are closed and released in this method
 */
protected void getTupleQueryResult(HttpUriRequest method, TupleQueryResultHandler handler) throws IOException, TupleQueryResultHandlerException, RepositoryException, MalformedQueryException, UnauthorizedException, QueryInterruptedException {
    // Specify which formats we support
    Set<QueryResultFormat> tqrFormats = TupleQueryResultParserRegistry.getInstance().getKeys();
    if (tqrFormats.isEmpty()) {
        throw new RepositoryException("No tuple query result parsers have been registered");
    }
    // send the tuple query
    HttpResponse response = sendTupleQueryViaHttp(method, tqrFormats);
    try {
        // if we get here, HTTP code is 200
        String mimeType = getResponseMIMEType(response);
        try {
            QueryResultFormat format = TupleQueryResultFormat.matchMIMEType(mimeType, tqrFormats).orElseThrow(() -> new RepositoryException("Server responded with an unsupported file format: " + mimeType));
            TupleQueryResultParser parser = QueryResultIO.createTupleParser(format, getValueFactory());
            parser.setQueryResultHandler(handler);
            parser.parseQueryResult(response.getEntity().getContent());
        } catch (QueryResultParseException e) {
            throw new RepositoryException("Malformed query result from server", e);
        } catch (QueryResultHandlerException e) {
            if (e instanceof TupleQueryResultHandlerException) {
                throw (TupleQueryResultHandlerException) e;
            } else {
                throw new TupleQueryResultHandlerException(e);
            }
        }
    } finally {
        EntityUtils.consumeQuietly(response.getEntity());
    }
}

Example 53 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLConnection method hasStatement.

public boolean hasStatement(Resource subj, IRI pred, Value obj, boolean includeInferred, Resource... contexts) throws RepositoryException {
    try {
        BooleanQuery query = prepareBooleanQuery(SPARQL, SOMETHING, "");
        setBindings(query, subj, pred, obj, contexts);
        return query.evaluate();
    } catch (MalformedQueryException e) {
        throw new RepositoryException(e);
    } catch (QueryEvaluationException e) {
        throw new RepositoryException(e);
    }
}

Example 54 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLConnection method getStatementGeneral.

private RepositoryResult<Statement> getStatementGeneral(Resource subj, IRI pred, Value obj, boolean includeInferred, Resource... contexts) throws RepositoryException, MalformedQueryException, QueryEvaluationException {
    GraphQueryResult gRes = null;
    RepositoryResult<Statement> result = null;
    boolean allGood = false;
    try {
        GraphQuery query = prepareGraphQuery(SPARQL, EVERYTHING, "");
        query.setIncludeInferred(includeInferred);
        setBindings(query, subj, pred, obj, contexts);
        gRes = query.evaluate();
        result = new RepositoryResult<Statement>(new ExceptionConvertingIteration<Statement, RepositoryException>(gRes) {

            @Override
            protected RepositoryException convert(Exception e) {
                return new RepositoryException(e);
            }
        });
        allGood = true;
        return result;
    } finally {
        if (!allGood) {
            try {
                if (result != null) {
                    result.close();
                }
            } finally {
                if (gRes != null) {
                    gRes.close();
                }
            }
        }
    }
}

Example 55 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLConnection method getContextIDs.

public RepositoryResult<Resource> getContextIDs() throws RepositoryException {
    TupleQueryResult iter = null;
    RepositoryResult<Resource> result = null;
    boolean allGood = false;
    try {
        TupleQuery query = prepareTupleQuery(SPARQL, NAMEDGRAPHS, "");
        iter = query.evaluate();
        result = new RepositoryResult<Resource>(new ExceptionConvertingIteration<Resource, RepositoryException>(new ConvertingIteration<BindingSet, Resource, QueryEvaluationException>(iter) {

            @Override
            protected Resource convert(BindingSet bindings) throws QueryEvaluationException {
                return (Resource) bindings.getValue("_");
            }
        }) {

            @Override
            protected RepositoryException convert(Exception e) {
                return new RepositoryException(e);
            }
        });
        allGood = true;
        return result;
    } catch (MalformedQueryException e) {
        throw new RepositoryException(e);
    } catch (QueryEvaluationException e) {
        throw new RepositoryException(e);
    } finally {
        if (!allGood) {
            try {
                if (result != null) {
                    result.close();
                }
            } finally {
                if (iter != null) {
                    iter.close();
                }
            }
        }
    }
}