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

Example 61 with XPathException

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

the class XUpdateProcessor method startElement.

@Override
public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException {
    // save accumulated character content
    if (inModification && charBuf.length() > 0) {
        // String normalized = charBuf.toString();
        final String normalized = preserveWhitespace ? charBuf.toString() : charBuf.toString().trim();
        if (!normalized.isEmpty()) {
            final Text text = doc.createTextNode(charBuf.toString());
            final Element last = stack.peek();
            if (last == null) {
                // LOG.debug("appending text to fragment: " + text.getData());
                contents.add(text);
            } else {
                last.appendChild(text);
            }
        }
        charBuf.setLength(0);
    }
    if (namespaceURI.equals(XUPDATE_NS)) {
        String select = null;
        switch(localName) {
            case MODIFICATIONS:
                startModifications(atts);
                return;
            case VARIABLE:
                // variable declaration
                startVariableDecl(atts);
                return;
            case IF:
                if (inModification) {
                    throw new SAXException("xupdate:if is not allowed inside a modification");
                }
                select = atts.getValue("test");
                final Conditional cond = new Conditional(broker, documentSet, select, namespaces, variables);
                conditionals.push(cond);
                return;
            case VALUE_OF:
                if (!inModification) {
                    throw new SAXException("xupdate:value-of is not allowed outside a modification");
                }
                break;
            case APPEND:
            case INSERT_BEFORE:
            case INSERT_AFTER:
            case REMOVE:
            case RENAME:
            case UPDATE:
            case REPLACE:
                if (inModification) {
                    throw new SAXException("nested modifications are not allowed");
                }
                select = atts.getValue("select");
                if (select == null) {
                    throw new SAXException(localName + " requires a select attribute");
                }
                doc = builder.newDocument();
                contents = new NodeListImpl();
                inModification = true;
                break;
            case ELEMENT:
            case ATTRIBUTE:
            case TEXT:
            case PROCESSING_INSTRUCTION:
            case COMMENT:
                if (!inModification) {
                    throw new SAXException("creation elements are only allowed inside " + "a modification");
                }
                charBuf.setLength(0);
                break;
            default:
                throw new SAXException("Unknown XUpdate element: " + qName);
        }
        // start a new modification section
        switch(localName) {
            case APPEND:
                final String child = atts.getValue("child");
                modification = new Append(broker, documentSet, select, child, namespaces, variables);
                break;
            case UPDATE:
                modification = new Update(broker, documentSet, select, namespaces, variables);
                break;
            case INSERT_BEFORE:
                modification = new Insert(broker, documentSet, select, Insert.INSERT_BEFORE, namespaces, variables);
                break;
            case INSERT_AFTER:
                modification = new Insert(broker, documentSet, select, Insert.INSERT_AFTER, namespaces, variables);
                break;
            case REMOVE:
                modification = new Remove(broker, documentSet, select, namespaces, variables);
                break;
            case RENAME:
                modification = new Rename(broker, documentSet, select, namespaces, variables);
                break;
            case REPLACE:
                modification = new Replace(broker, documentSet, select, namespaces, variables);
                break;
            // process commands for node creation
            case ELEMENT:
                {
                    String name = atts.getValue("name");
                    if (name == null) {
                        throw new SAXException("element requires a name attribute");
                    }
                    final int p = name.indexOf(':');
                    String namespace = null;
                    String prefix = "";
                    if (p != Constants.STRING_NOT_FOUND) {
                        prefix = name.substring(0, p);
                        if (name.length() == p + 1) {
                            throw new SAXException("illegal prefix in qname: " + name);
                        }
                        name = name.substring(p + 1);
                        namespace = atts.getValue("namespace");
                        if (namespace == null) {
                            namespace = namespaces.get(prefix);
                        }
                        if (namespace == null) {
                            throw new SAXException("no namespace defined for prefix " + prefix);
                        }
                    }
                    Element elem;
                    if (namespace != null && !namespace.isEmpty()) {
                        elem = doc.createElementNS(namespace, name);
                        elem.setPrefix(prefix);
                    } else {
                        elem = doc.createElement(name);
                    }
                    final Element last = stack.peek();
                    if (last == null) {
                        contents.add(elem);
                    } else {
                        last.appendChild(elem);
                    }
                    stack.push(elem);
                    this.setWhitespaceHandling(elem);
                    break;
                }
            case ATTRIBUTE:
                {
                    final String name = atts.getValue("name");
                    if (name == null) {
                        throw new SAXException("attribute requires a name attribute");
                    }
                    final int p = name.indexOf(':');
                    String namespace = null;
                    if (p != Constants.STRING_NOT_FOUND) {
                        final String prefix = name.substring(0, p);
                        if (name.length() == p + 1) {
                            throw new SAXException("illegal prefix in qname: " + name);
                        }
                        namespace = atts.getValue("namespace");
                        if (namespace == null) {
                            namespace = namespaces.get(prefix);
                        }
                        if (namespace == null) {
                            throw new SAXException("no namespace defined for prefix " + prefix);
                        }
                    }
                    Attr attrib = namespace != null && !namespace.isEmpty() ? doc.createAttributeNS(namespace, name) : doc.createAttribute(name);
                    if (stack.isEmpty()) {
                        for (int i = 0; i < contents.getLength(); i++) {
                            final Node n = contents.item(i);
                            String ns = n.getNamespaceURI();
                            final String nname = ns == null ? n.getNodeName() : n.getLocalName();
                            if (ns == null) {
                                ns = XMLConstants.NULL_NS_URI;
                            }
                            // check for duplicate attributes
                            if (n.getNodeType() == Node.ATTRIBUTE_NODE && nname.equals(name) && ns.equals(namespace)) {
                                throw new SAXException("The attribute " + attrib.getNodeName() + " cannot be specified twice");
                            }
                        }
                        contents.add(attrib);
                    } else {
                        final Element last = stack.peek();
                        if (namespace != null && last.hasAttributeNS(namespace, name) || namespace == null && last.hasAttribute(name)) {
                            throw new SAXException("The attribute " + attrib.getNodeName() + " cannot be specified " + "twice on the same element");
                        }
                        if (namespace != null) {
                            last.setAttributeNodeNS(attrib);
                        } else {
                            last.setAttributeNode(attrib);
                        }
                    }
                    inAttribute = true;
                    currentNode = attrib;
                    // process value-of
                    break;
                }
            case VALUE_OF:
                select = atts.getValue("select");
                if (select == null) {
                    throw new SAXException("value-of requires a select attribute");
                }
                final Sequence seq = processQuery(select);
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Found {} items for value-of", seq.getItemCount());
                }
                Item item;
                try {
                    for (final SequenceIterator i = seq.iterate(); i.hasNext(); ) {
                        item = i.nextItem();
                        if (Type.subTypeOf(item.getType(), Type.NODE)) {
                            final Node node = NodeSetHelper.copyNode(doc, ((NodeValue) item).getNode());
                            final Element last = stack.peek();
                            if (last == null) {
                                contents.add(node);
                            } else {
                                last.appendChild(node);
                            }
                        } else {
                            final String value = item.getStringValue();
                            characters(value.toCharArray(), 0, value.length());
                        }
                    }
                } catch (final XPathException e) {
                    throw new SAXException(e.getMessage(), e);
                }
                break;
        }
    } else if (inModification) {
        final Element elem = namespaceURI != null && !namespaceURI.isEmpty() ? doc.createElementNS(namespaceURI, qName) : doc.createElement(qName);
        Attr a;
        for (int i = 0; i < atts.getLength(); i++) {
            final String name = atts.getQName(i);
            final String nsURI = atts.getURI(i);
            if (name.startsWith("xmlns")) {
            // Why are these showing up? They are supposed to be stripped out?
            } else {
                a = nsURI != null ? doc.createAttributeNS(nsURI, name) : doc.createAttribute(name);
                a.setValue(atts.getValue(i));
                if (nsURI != null) {
                    elem.setAttributeNodeNS(a);
                } else {
                    elem.setAttributeNode(a);
                }
            }
        }
        final Element last = stack.peek();
        if (last == null) {
            contents.add(elem);
        } else {
            last.appendChild(elem);
        }
        stack.push(elem);
        this.setWhitespaceHandling(elem);
    }
}

Example 62 with XPathException

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

the class TestDataGenerator method generate.

public Path[] generate(final DBBroker broker, final Collection collection, final String xqueryContent) throws SAXException {
    try {
        final DocumentSet docs = collection.allDocs(broker, new DefaultDocumentSet(), true);
        final XQuery service = broker.getBrokerPool().getXQueryService();
        final XQueryContext context = new XQueryContext(broker.getBrokerPool());
        context.declareVariable("filename", "");
        context.declareVariable("count", "0");
        context.setStaticallyKnownDocuments(docs);
        final String query = IMPORT + xqueryContent;
        final CompiledXQuery compiled = service.compile(context, query);
        for (int i = 0; i < count; i++) {
            generatedFiles[i] = Files.createTempFile(prefix, ".xml");
            context.declareVariable("filename", generatedFiles[i].getFileName().toString());
            context.declareVariable("count", new Integer(i));
            final Sequence results = service.execute(broker, compiled, Sequence.EMPTY_SEQUENCE);
            final Serializer serializer = broker.borrowSerializer();
            try (final Writer out = Files.newBufferedWriter(generatedFiles[i], StandardCharsets.UTF_8)) {
                final SAXSerializer sax = new SAXSerializer(out, outputProps);
                serializer.setSAXHandlers(sax, sax);
                for (final SequenceIterator iter = results.iterate(); iter.hasNext(); ) {
                    final Item item = iter.nextItem();
                    if (!Type.subTypeOf(item.getType(), Type.NODE)) {
                        continue;
                    }
                    serializer.toSAX((NodeValue) item);
                }
            } finally {
                broker.returnSerializer(serializer);
            }
        }
    } catch (final XPathException | PermissionDeniedException | LockException | IOException e) {
        LOG.error(e.getMessage(), e);
        throw new SAXException(e.getMessage(), e);
    }
    return generatedFiles;
}

Example 63 with XPathException

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

the class YearMonthDurationValue method div.

public ComputableValue div(ComputableValue other) throws XPathException {
    if (other.getType() == Type.YEAR_MONTH_DURATION) {
        return new IntegerValue(getValue()).div(new IntegerValue(((YearMonthDurationValue) other).getValue()));
    }
    if (other instanceof NumericValue) {
        if (((NumericValue) other).isNaN()) {
            throw new XPathException(ErrorCodes.FOCA0005, "Operand is not a number");
        }
        if (((NumericValue) other).isInfinite()) {
            return new YearMonthDurationValue("P0M");
        }
        // If $arg2 is positive or negative zero, the result overflows and is handled as discussed in 10.1.1 Limits and Precision
        if (((NumericValue) other).isZero()) {
            throw new XPathException(ErrorCodes.FODT0002, "Division by zero overflow");
        }
    }
    final BigDecimal divisor = numberToBigDecimal(other, "Can not divide xdt:yearMonthDuration by '" + Type.getTypeName(other.getType()) + "'");
    final boolean isDivisorNegative = divisor.signum() < 0;
    final YearMonthDurationValue quotient = fromDecimalMonths(new BigDecimal(monthsValueSigned()).divide(divisor.abs(), 0, (isDivisorNegative) ? BigDecimal.ROUND_HALF_DOWN : BigDecimal.ROUND_HALF_UP));
    if (isDivisorNegative) {
        return quotient.negate();
    }
    return new YearMonthDurationValue(quotient.getCanonicalDuration());
}

Example 64 with XPathException

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

the class RemoveIndex method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    // Get first parameter, this is the document
    final 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
        if (lockedDoc == null) {
            throw new XPathException("Document " + path + " does not exist.");
        }
        // Retrieve Lucene
        LuceneIndexWorker index = (LuceneIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(LuceneIndex.ID);
        // Note: code order is important here,
        index.setDocument(lockedDoc.getDocument(), ReindexMode.REMOVE_BINARY);
        index.flush();
    } catch (Exception ex) {
        // PermissionDeniedException
        throw new XPathException(ex);
    }
    // Return nothing [status would be nice]
    return Sequence.EMPTY_SEQUENCE;
}

Example 65 with XPathException

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

the class XMLToQuery method fuzzyQuery.

private Query fuzzyQuery(String field, Element node) throws XPathException {
    int maxEdits = FuzzyQuery.defaultMaxEdits;
    String attr = node.getAttribute("max-edits");
    if (attr != null && !attr.isEmpty()) {
        try {
            maxEdits = Integer.parseInt(attr);
            if (maxEdits < 0 || maxEdits > LevenshteinAutomata.MAXIMUM_SUPPORTED_DISTANCE) {
                throw new XPathException("Query parameter max-edits must by <= " + LevenshteinAutomata.MAXIMUM_SUPPORTED_DISTANCE);
            }
        } catch (NumberFormatException e) {
            throw new XPathException("Query parameter 'max-edits' should be an integer value. Got: " + attr);
        }
    }
    return new FuzzyQuery(new Term(field, getText(node)), maxEdits);
}