Examples with ARQException org.apache.jena.sparql.ARQException used on opensource projects

Example 6 with ARQException

use of org.apache.jena.sparql.ARQException in project jena by apache.

the class QueryEngineHTTP method makeHttpQuery.

private HttpQuery makeHttpQuery() {
    if (closed)
        throw new ARQException("HTTP execution already closed");
    HttpQuery httpQuery = new HttpQuery(service);
    httpQuery.merge(getServiceParams(service, context));
    httpQuery.addParam(HttpParams.pQuery, queryString);
    for (String dft : defaultGraphURIs) {
        httpQuery.addParam(HttpParams.pDefaultGraph, dft);
    }
    for (String name : namedGraphURIs) {
        httpQuery.addParam(HttpParams.pNamedGraph, name);
    }
    if (params != null)
        httpQuery.merge(params);
    httpQuery.setAllowCompression(allowCompression);
    // check for service context overrides
    if (context.isDefined(Service.serviceContext)) {
        Map<String, Context> servicesContext = context.get(Service.serviceContext);
        if (servicesContext.containsKey(service)) {
            Context serviceContext = servicesContext.get(service);
            if (serviceContext.isDefined(Service.queryClient))
                client = serviceContext.get(Service.queryClient);
        }
    }
    httpQuery.setClient(client);
    HttpClientContext hcc = (httpContext == null) ? null : HttpClientContext.adapt(httpContext);
    httpQuery.setContext(hcc);
    // Apply timeouts
    if (connectTimeout > 0)
        httpQuery.setConnectTimeout((int) connectTimeoutUnit.toMillis(connectTimeout));
    if (readTimeout > 0)
        httpQuery.setReadTimeout((int) readTimeoutUnit.toMillis(readTimeout));
    return httpQuery;
}

Example 7 with ARQException

use of org.apache.jena.sparql.ARQException in project jena by apache.

the class TSVInput method fromTSV.

/**
	 * Reads SPARQL Results from TSV format into a {@link ResultSet} instance
	 * @param in Input Stream
	 */
public static ResultSet fromTSV(InputStream in) {
    BufferedReader reader = IO.asBufferedUTF8(in);
    List<Var> vars = new ArrayList<>();
    List<String> varNames = new ArrayList<>();
    String str = null;
    try {
        // Here we try to parse only the Header Row
        str = reader.readLine();
        if (str == null)
            throw new ARQException("TSV Results malformed, input is empty (no header row)");
        if (!str.isEmpty()) {
            String[] tokens = pattern.split(str, -1);
            for (String token : tokens) {
                Node v;
                try {
                    v = NodeFactoryExtra.parseNode(token);
                    if (v == null || !v.isVariable())
                        throw new ResultSetException("TSV Results malformed, not a variable: " + token);
                } catch (RiotException ex) {
                    throw new ResultSetException("TSV Results malformed, variable names must begin with a ? in the header: " + token);
                }
                Var var = Var.alloc(v);
                vars.add(var);
                varNames.add(var.getName());
            }
        }
    } catch (IOException ex) {
        throw new ARQException(ex);
    }
    //This will parse actual result rows as needed thus minimising memory usage
    return new ResultSetStream(varNames, null, new TSVInputIterator(reader, vars));
}

Example 8 with ARQException

use of org.apache.jena.sparql.ARQException in project jena by apache.

the class TSVOutput method format.

@Override
public void format(OutputStream out, boolean booleanResult) {
    try {
        out.write(headerBytes);
        if (booleanResult)
            out.write(yesBytes);
        else
            out.write(noBytes);
        out.write(NLBytes);
    } catch (IOException ex) {
        throw new ARQException(ex);
    }
}

Example 9 with ARQException

use of org.apache.jena.sparql.ARQException in project jena by apache.

the class TestSSE_Basic method parseBad.

private void parseBad(String str) {
    try {
        Item item = SSE.parse(str);
        //System.out.println(str+" => "+item) ;
        fail("Did not get a parse failure");
    } catch (ARQException ex) {
    }
}

Example 10 with ARQException

use of org.apache.jena.sparql.ARQException in project jena by apache.

the class TestSSE_Basic method parseBadNode.

private void parseBadNode(String str) {
    try {
        // Not NodeFactory.parseNode which does not have all the features (e.g. "_" and "?") 
        Node node = parseNode(str);
        //System.out.println(str+" => "+item) ;
        fail("Did not get a parse failure");
    }//catch (RiotException ex) {}
     catch (ARQException ex) {
    }
}