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

Example 21 with ARQException

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

the class UpdateAction method parseExecute.

/**
 * Parse update operations into a DatasetGraph by parsing from an InputStream.
 * @param usingList    A list of USING or USING NAMED statements that be added to all {@link UpdateWithUsing} queries
 * @param dataset      The dataset to apply the changes to
 * @param input        The source of the update request (must be UTF-8).
 * @param inputBinding Initial binding to be applied to Update operations that can apply an initial binding
 *                     (i.e. UpdateDeleteWhere, UpdateModify).  May be <code>null</code>
 * @param baseURI      The base URI for resolving relative URIs (may be <code>null</code>)
 * @param syntax       The update language syntax
 */
public static void parseExecute(UsingList usingList, DatasetGraph dataset, InputStream input, Binding inputBinding, String baseURI, Syntax syntax) {
    @SuppressWarnings("deprecation") UpdateProcessorStreaming uProc = UpdateExecutionFactory.createStreaming(dataset, inputBinding);
    if (uProc == null)
        throw new ARQException("No suitable update procesors are registered/able to execute your updates");
    uProc.startRequest();
    try {
        UpdateSink sink = new UsingUpdateSink(uProc.getUpdateSink(), usingList);
        try {
            UpdateParser parser = UpdateFactory.setupParser(uProc.getPrologue(), baseURI, syntax);
            parser.parse(sink, uProc.getPrologue(), input);
        } finally {
            sink.close();
        }
    } finally {
        uProc.finishRequest();
    }
}

Example 22 with ARQException

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

the class UpdateAction method execute$.

// All non-streaming updates come through here.
private static void execute$(UpdateRequest request, DatasetGraph datasetGraph, Binding inputBinding) {
    UpdateExec uProc = UpdateExec.newBuilder().update(request).dataset(datasetGraph).initialBinding(inputBinding).build();
    if (uProc == null)
        throw new ARQException("No suitable update procesors are registered/able to execute your updates");
    uProc.execute();
}

Example 23 with ARQException

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

the class RowSetReaderCSV method booleanFromCSV.

/**
 * Read boolean after header
 */
private static boolean booleanFromCSV(CSVParser parser) {
    List<String> line = parser.parse1();
    if (line.size() != 1) {
        throw new ARQException("CSV Boolean Results malformed: data line='" + line + "'");
    }
    String str = line.get(0);
    boolean b;
    if (str.equalsIgnoreCase("true") || str.equalsIgnoreCase("yes"))
        b = true;
    else if (str.equalsIgnoreCase("false") || str.equalsIgnoreCase("no"))
        b = false;
    else {
        throw new ARQException("CSV Boolean Results malformed, expected one of - true yes false no - but got " + str);
    }
    List<String> line2 = parser.parse1();
    if (line2 != null) {
        FmtLog.warn(log, "Extra rows: first is " + line2);
    }
    return b;
}

Example 24 with ARQException

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

the class RowSetReaderTSV method resultSetFromTSV.

/**
 * Reads SPARQL Results from TSV format into a {@link RowSet} instance
 * @param in Input Stream
 */
public static RowSet resultSetFromTSV(InputStream in) {
    BufferedReader reader = IO.asBufferedUTF8(in);
    List<Var> vars = 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);
            }
        }
    } catch (IOException ex) {
        throw new ARQException(ex);
    }
    // This will parse actual result rows as needed thus minimising memory usage
    return RowSetStream.create(vars, new TSVInputIterator(reader, vars));
}

Example 25 with ARQException

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

the class OpExtRegistry method register.

public static void register(OpExtBuilder builder) {
    extensions.put(builder.getTagName(), builder);
    if (BuilderOp.contains(builder.getTagName()))
        throw new ARQException("Tag '" + builder.getTagName() + "' already defined");
    BuilderOp.add(builder.getTagName(), buildExt2);
}