Examples with InternalErrorException org.apache.jena.atlas.lib.InternalErrorException used on opensource projects

Example 6 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class SPARQL_QueryGeneral method datasetFromDescriptionWeb.

/**
     * Construct a Dataset based on a dataset description. Loads graph from the
     * web.
     */
protected Dataset datasetFromDescriptionWeb(HttpAction action, DatasetDescription datasetDesc) {
    try {
        if (datasetDesc == null)
            return null;
        if (datasetDesc.isEmpty())
            return null;
        List<String> graphURLs = datasetDesc.getDefaultGraphURIs();
        List<String> namedGraphs = datasetDesc.getNamedGraphURIs();
        if (graphURLs.size() == 0 && namedGraphs.size() == 0)
            return null;
        Dataset dataset = DatasetFactory.create();
        // Look in cache for loaded graphs!!
        // ---- Default graph
        {
            Model model = ModelFactory.createDefaultModel();
            for (String uri : graphURLs) {
                if (uri == null || uri.equals(""))
                    throw new InternalErrorException("Default graph URI is null or the empty string");
                try {
                    GraphLoadUtils.loadModel(model, uri, MaxTriples);
                    action.log.info(format("[%d] Load (default graph) %s", action.id, uri));
                } catch (RiotException ex) {
                    action.log.info(format("[%d] Parsing error loading %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL (parse error) " + uri + " : " + ex.getMessage());
                } catch (Exception ex) {
                    action.log.info(format("[%d] Failed to load (default) %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL " + uri);
                }
            }
            dataset.setDefaultModel(model);
        }
        // ---- Named graphs
        if (namedGraphs != null) {
            for (String uri : namedGraphs) {
                if (uri == null || uri.equals(""))
                    throw new InternalErrorException("Named graph URI is null or the empty string");
                try {
                    Model model = ModelFactory.createDefaultModel();
                    GraphLoadUtils.loadModel(model, uri, MaxTriples);
                    action.log.info(format("[%d] Load (named graph) %s", action.id, uri));
                    dataset.addNamedModel(uri, model);
                } catch (RiotException ex) {
                    action.log.info(format("[%d] Parsing error loading %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL (parse error) " + uri + " : " + ex.getMessage());
                } catch (Exception ex) {
                    action.log.info(format("[%d] Failed to load (named graph) %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL " + uri);
                }
            }
        }
        return dataset;
    } catch (ActionErrorException ex) {
        throw ex;
    } catch (Exception ex) {
        action.log.info(format("[%d] SPARQL parameter error: " + ex.getMessage(), action.id, ex));
        ServletOps.errorBadRequest("Parameter error: " + ex.getMessage());
        return null;
    }
}

Example 7 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class SpatialOperationPFBase method exec.

@Override
public QueryIterator exec(Binding binding, PropFuncArg argSubject, Node predicate, PropFuncArg argObject, ExecutionContext execCxt) {
    if (server == null) {
        if (!warningIssued) {
            Log.warn(getClass(), "No spatial index - no spatial search performed");
            warningIssued = true;
        }
        // Not a text dataset - no-op
        return IterLib.result(binding, execCxt);
    }
    argSubject = Substitute.substitute(argSubject, binding);
    argObject = Substitute.substitute(argObject, binding);
    if (!argSubject.isNode())
        throw new InternalErrorException("Subject is not a node (it was earlier!)");
    Node s = argSubject.getArg();
    if (s.isLiteral())
        // Does not match
        return IterLib.noResults(execCxt);
    SpatialMatch match = objectToStruct(argObject);
    if (match == null) {
        // can't match
        return IterLib.noResults(execCxt);
    }
    // ----
    QueryIterator qIter = (Var.isVar(s)) ? variableSubject(binding, s, match, execCxt) : concreteSubject(binding, s, match, execCxt);
    if (match.getLimit() >= 0)
        qIter = new QueryIterSlice(qIter, 0, match.getLimit(), execCxt);
    return qIter;
}

Example 8 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class ExprTransformNodeElement method transform.

@Override
public Expr transform(ExprFunctionOp funcOp, ExprList args, Op opArg) {
    // Syntax phased only - ignore args and opArg
    Element elt = funcOp.getElement();
    Element elt1 = ElementTransformer.transform(elt, elementTransform, this, beforeVisitor, afterVisitor);
    if (elt == elt1)
        return funcOp;
    else {
        if (funcOp instanceof E_Exists)
            return new E_Exists(elt1);
        if (funcOp instanceof E_NotExists)
            return new E_NotExists(elt1);
        throw new InternalErrorException("Unknown ExprFunctionOp: " + funcOp.getFunctionSymbol());
    }
}

Example 9 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class TransformElementLib method applyVar.

public static Var applyVar(Var v, ExprTransform exprTransform) {
    if (exprTransform == null)
        return v;
    ExprVar expr = new ExprVar(v);
    Expr e = exprTransform.transform(expr);
    if (e instanceof ExprVar)
        return ((ExprVar) e).asVar();
    throw new InternalErrorException("Managed to turn a variable " + v + " into " + e);
}

Example 10 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class CmdLangParse method createAccumulateSink.

/** Create an accumulating output stream for later pretty printing */
protected Pair<StreamRDF, PostParseHandler> createAccumulateSink() {
    final DatasetGraph dsg = DatasetGraphFactory.create();
    StreamRDF sink = StreamRDFLib.dataset(dsg);
    final RDFFormat fmt = modLangOutput.getOutputFormatted();
    PostParseHandler handler = new PostParseHandler() {

        @Override
        public void postParse() {
            // Try as dataset, then as graph.
            WriterDatasetRIOTFactory w = RDFWriterRegistry.getWriterDatasetFactory(fmt);
            if (w != null) {
                RDFDataMgr.write(outputWrite, dsg, fmt);
                return;
            }
            WriterGraphRIOTFactory wg = RDFWriterRegistry.getWriterGraphFactory(fmt);
            if (wg != null) {
                RDFDataMgr.write(System.out, dsg.getDefaultGraph(), fmt);
                return;
            }
            throw new InternalErrorException("failed to find the writer: " + fmt);
        }
    };
    return Pair.create(sink, handler);
}