Examples with XPathException org.exist.xquery.XPathException used on opensource projects

Example 66 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class Index method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    try {
        // Retrieve Lucene
        LuceneIndexWorker index = (LuceneIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(LuceneIndex.ID);
        if (isCalledAs("index")) {
            // Get first parameter, this is the document
            String path = args[0].itemAt(0).getStringValue();
            // Retrieve document from database
            try (final LockedDocument lockedDoc = context.getBroker().getXMLResource(XmldbURI.xmldbUriFor(path), LockMode.READ_LOCK)) {
                // Verify the document actually exists
                final DocumentImpl doc = lockedDoc == null ? null : lockedDoc.getDocument();
                if (doc == null) {
                    throw new XPathException(this, "Document " + path + " does not exist.");
                }
                boolean flush = args.length == 2 || args[2].effectiveBooleanValue();
                // Note: code order is important here,
                index.setDocument(doc, ReindexMode.STORE);
                index.setMode(ReindexMode.STORE);
                // Get 'solr' node from second parameter
                NodeValue descriptor = (NodeValue) args[1].itemAt(0);
                // Pas document and index instructions to indexer
                index.indexNonXML(descriptor);
                if (flush) {
                    // Make sure things are written
                    index.writeNonXML();
                }
            }
        } else {
            // "close"
            index.writeNonXML();
        }
    } catch (Exception ex) {
        // PermissionDeniedException
        logger.error(ex.getMessage(), ex);
        throw new XPathException(this, ex);
    }
    // Return nothing [status would be nice]
    return Sequence.EMPTY_SEQUENCE;
}

Example 67 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class GetField method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    XmldbURI uri = XmldbURI.createInternal(args[0].getStringValue());
    String field = args[1].getStringValue();
    try (final LockedDocument lockedDoc = context.getBroker().getXMLResource(uri, LockMode.READ_LOCK)) {
        if (lockedDoc == null) {
            return Sequence.EMPTY_SEQUENCE;
        }
        // Get the lucene worker
        final LuceneIndexWorker index = (LuceneIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(LuceneIndex.ID);
        final String content = index.getFieldContent(lockedDoc.getDocument().getDocId(), field);
        return content == null ? Sequence.EMPTY_SEQUENCE : new org.exist.xquery.value.StringValue(content);
    } catch (PermissionDeniedException e) {
        throw new XPathException(this, LuceneModule.EXXQDYFT0001, "Permission denied to read document " + args[0].getStringValue());
    } catch (IOException e) {
        throw new XPathException(this, LuceneModule.EXXQDYFT0002, "IO error while reading document " + args[0].getStringValue());
    }
}

Example 68 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class XMLToQuery method getTerm.

private String getTerm(String field, String text, Analyzer analyzer) throws XPathException {
    String term = null;
    try {
        TokenStream stream = analyzer.tokenStream(field, new StringReader(text));
        CharTermAttribute termAttr = stream.addAttribute(CharTermAttribute.class);
        stream.reset();
        if (stream.incrementToken()) {
            term = termAttr.toString();
        }
        stream.end();
        stream.close();
        return term;
    } catch (IOException e) {
        throw new XPathException("Lucene index error while creating query: " + e.getMessage(), e);
    }
}

Example 69 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class XMLToQuery method parseSpanChildren.

private SpanQuery[] parseSpanChildren(String field, Element node, Analyzer analyzer) throws XPathException {
    List<SpanQuery> list = new ArrayList<>(8);
    Node child = node.getFirstChild();
    while (child != null) {
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            final String localName = child.getLocalName();
            if (null != localName) {
                switch(localName) {
                    case "term":
                        getSpanTerm(list, field, (Element) child, analyzer);
                        break;
                    case "near":
                        list.add(nearQuery(field, (Element) child, analyzer));
                        break;
                    case "first":
                        list.add(getSpanFirst(field, (Element) child, analyzer));
                        break;
                    case "regex":
                        list.add(getSpanRegex(field, (Element) child, analyzer));
                        break;
                    default:
                        throw new XPathException("Unknown query element: " + child.getNodeName());
                }
            }
        }
        child = child.getNextSibling();
    }
    return list.toArray(new SpanQuery[0]);
}

Example 70 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class XMLToQuery method nearQuery.

private SpanQuery nearQuery(String field, Element node, Analyzer analyzer) throws XPathException {
    int slop = getSlop(node);
    if (slop < 0)
        slop = 0;
    boolean inOrder = true;
    if (node.hasAttribute("ordered"))
        inOrder = node.getAttribute("ordered").equals("yes");
    if (!hasElementContent(node)) {
        String qstr = getText(node);
        List<SpanTermQuery> list = new ArrayList<>(8);
        try {
            TokenStream stream = analyzer.tokenStream(field, new StringReader(qstr));
            CharTermAttribute termAttr = stream.addAttribute(CharTermAttribute.class);
            stream.reset();
            while (stream.incrementToken()) {
                list.add(new SpanTermQuery(new Term(field, termAttr.toString())));
            }
            stream.end();
            stream.close();
        } catch (IOException e) {
            throw new XPathException("Error while parsing phrase query: " + qstr);
        }
        return new SpanNearQuery(list.toArray(new SpanTermQuery[0]), slop, inOrder);
    }
    SpanQuery[] children = parseSpanChildren(field, node, analyzer);
    return new SpanNearQuery(children, slop, inOrder);
}