Examples with NodeValue org.exist.xquery.value.NodeValue used on opensource projects

Example 11 with NodeValue

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

the class JNDIModule method parseAttributes.

/**
 * Parses attributes into a JNDI BasicAttributes object
 *
 * @param arg				The attributes as a sequence of nodes
 * @return 					The BasicAttributes object
 */
protected static BasicAttributes parseAttributes(Sequence arg) {
    BasicAttributes attributes = new BasicAttributes();
    if (!(arg.isEmpty())) {
        Node container = ((NodeValue) arg.itemAt(0)).getNode();
        if (container != null && container.getNodeType() == Node.ELEMENT_NODE) {
            NodeList attrs = ((Element) container).getElementsByTagName("attribute");
            for (int i = 0; i < attrs.getLength(); i++) {
                Element attr = ((Element) attrs.item(i));
                String name = attr.getAttribute("name");
                String value = attr.getAttribute("value");
                String ordered = attr.getAttribute("ordered");
                if (name != null && value != null) {
                    Attribute existingAttr = attributes.get(name);
                    if (existingAttr != null) {
                        existingAttr.add(value);
                    } else {
                        attributes.put(new BasicAttribute(name, value, ordered != null && ordered.equalsIgnoreCase("true")));
                    }
                } else {
                    LOG.warn("Name or value attribute missing for attribute");
                }
            }
        }
    }
    return (attributes);
}

Example 12 with NodeValue

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

the class FunNamespaceURI method eval.

@Override
public Sequence eval(Sequence contextSequence, final Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    if (contextItem != null) {
        contextSequence = contextItem.toSequence();
    }
    // If we have one argument, we take it into account
    final Sequence seq;
    if (getSignature().getArgumentCount() > 0) {
        seq = getArgument(0).eval(contextSequence, contextItem);
    } else {
        // Otherwise, we take the context sequence and we iterate over it
        seq = contextSequence;
    }
    if (seq == null) {
        throw new XPathException(this, ErrorCodes.XPDY0002, "Undefined context item");
    }
    final Sequence result;
    if (seq.isEmpty()) {
        result = AnyURIValue.EMPTY_URI;
    } else {
        final Item item = seq.itemAt(0);
        if (!Type.subTypeOf(item.getType(), Type.NODE)) {
            throw new XPathException(this, ErrorCodes.XPTY0004, "Context item is not a node; got: " + Type.getTypeName(item.getType()));
        }
        // TODO : how to improve performance ?
        final Node n = ((NodeValue) item).getNode();
        String ns = n.getNamespaceURI();
        if (ns == null) {
            ns = XMLConstants.NULL_NS_URI;
        }
        result = new AnyURIValue(ns);
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 13 with NodeValue

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

the class FunResolveQName method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
    }
    final Sequence qnameSeq = args[0];
    if (qnameSeq.isEmpty()) {
        return EmptySequence.EMPTY_SEQUENCE;
    } else {
        context.pushInScopeNamespaces();
        final String qnameString = args[0].getStringValue();
        if (QName.isQName(qnameString) == VALID.val) {
            try {
                String prefix = QName.extractPrefix(qnameString);
                if (prefix == null) {
                    prefix = "";
                }
                String uri = null;
                final NodeValue node = (NodeValue) args[1].itemAt(0);
                if (node.getImplementationType() == NodeValue.PERSISTENT_NODE) {
                    NodeProxy proxy = (NodeProxy) node;
                    final NodeSet ancestors = proxy.getAncestors(contextId, true);
                    for (NodeProxy ancestor : ancestors) {
                        proxy = ancestor;
                        final ElementImpl e = (ElementImpl) proxy.getNode();
                        uri = findNamespaceURI(e, prefix);
                        if (uri != null) {
                            break;
                        }
                    }
                } else {
                    NodeImpl next = (NodeImpl) node;
                    do {
                        uri = findNamespaceURI((org.exist.dom.memtree.ElementImpl) next, prefix);
                        if (uri != null) {
                            break;
                        } else {
                            next = (NodeImpl) next.getParentNode();
                        }
                    } while (next != null && next.getNodeType() == Node.ELEMENT_NODE);
                }
                if (uri == null && prefix != null && !prefix.isEmpty()) {
                    throw new XPathException(this, ErrorCodes.FONS0004, "No namespace found for prefix. No binding for prefix '" + prefix + "' was found.", args[0]);
                }
                final String localPart = QName.extractLocalName(qnameString);
                final QName qn = new QName(localPart, uri, prefix);
                final QNameValue result = new QNameValue(context, qn);
                if (context.getProfiler().isEnabled()) {
                    context.getProfiler().end(this, "", result);
                }
                context.popInScopeNamespaces();
                return result;
            } catch (final QName.IllegalQNameException e) {
                throw new XPathException(this, ErrorCodes.FOCA0002, "Invalid lexical value. '" + qnameString + "' is not a QName.", args[0]);
            }
        } else {
            throw new XPathException(this, ErrorCodes.FOCA0002, "Invalid lexical value. '" + qnameString + "' is not a QName.", args[0]);
        }
    }
}

Example 14 with NodeValue

use of org.exist.xquery.value.NodeValue 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 15 with NodeValue

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

the class AddMatch method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    if (args[0].isEmpty()) {
        return args[0];
    }
    final NodeValue nv = (NodeValue) args[0].itemAt(0);
    if (!nv.isPersistentSet()) {
        return nv;
    }
    final NodeProxy node = (NodeProxy) nv;
    final int thisLevel = node.getNodeId().getTreeLevel();
    String matchStr = null;
    NodeId nodeId = null;
    try {
        for (final XMLStreamReader reader = context.getBroker().getXMLStreamReader(node, true); reader.hasNext(); ) {
            final int status = reader.next();
            if (status == XMLStreamConstants.CHARACTERS) {
                matchStr = reader.getText();
                nodeId = (NodeId) reader.getProperty(ExtendedXMLStreamReader.PROPERTY_NODE_ID);
                break;
            }
            final NodeId otherId = (NodeId) reader.getProperty(ExtendedXMLStreamReader.PROPERTY_NODE_ID);
            final int otherLevel = otherId.getTreeLevel();
            if (status == XMLStreamConstants.END_ELEMENT && otherLevel == thisLevel) {
                // exit-for
                break;
            }
        }
    } catch (IOException | XMLStreamException e) {
        throw new XPathException(this, ErrorCodes.FOER0000, "Exception caught while reading document");
    }
    if (nodeId != null) {
        Match match = new NGramMatch(getContextId(), node.getNodeId(), matchStr);
        match.addOffset(0, matchStr.length());
        node.addMatch(match);
    }
    return node;
}