Examples with MatchListener org.exist.indexing.MatchListener used on opensource projects

Example 1 with MatchListener

use of org.exist.indexing.MatchListener in project exist by eXist-db.

the class HighlightMatches method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (args[0].isEmpty())
        return Sequence.EMPTY_SEQUENCE;
    context.pushDocumentContext();
    final Serializer serializer = context.getBroker().borrowSerializer();
    try (FunctionReference func = (FunctionReference) args[1].itemAt(0)) {
        MemTreeBuilder builder = context.getDocumentBuilder();
        NGramIndexWorker index = (NGramIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(NGramIndex.ID);
        DocumentBuilderReceiver docBuilder = new DocumentBuilderReceiver(builder);
        MatchCallback matchCb = new MatchCallback(func, docBuilder);
        ValueSequence result = new ValueSequence();
        for (SequenceIterator i = args[0].iterate(); i.hasNext(); ) {
            NodeValue v = (NodeValue) i.nextItem();
            try {
                int nodeNr = builder.getDocument().getLastNode();
                if (v.getImplementationType() == NodeValue.IN_MEMORY_NODE) {
                    ((NodeImpl) v).copyTo(context.getBroker(), docBuilder);
                } else {
                    NodeProxy p = (NodeProxy) v;
                    MatchListener ml = index.getMatchListener(context.getBroker(), p, matchCb);
                    Receiver receiver;
                    if (ml == null)
                        receiver = docBuilder;
                    else {
                        ml.setNextInChain(docBuilder);
                        receiver = ml;
                    }
                    serializer.setReceiver(receiver);
                    serializer.toReceiver((NodeProxy) v, false);
                }
                result.add(builder.getDocument().getNode(++nodeNr));
            } catch (SAXException e) {
                LOG.warn(e.getMessage(), e);
                throw new XPathException(this, e.getMessage());
            }
        }
        return result;
    } finally {
        context.getBroker().returnSerializer(serializer);
        context.popDocumentContext();
    }
}

Example 2 with MatchListener

use of org.exist.indexing.MatchListener in project exist by eXist-db.

the class Serializer method setPrettyPrinter.

protected void setPrettyPrinter(Writer writer, boolean xmlDecl, NodeProxy root, boolean applyFilters) {
    outputProperties.setProperty(OutputKeys.OMIT_XML_DECLARATION, xmlDecl ? "no" : "yes");
    xmlout = (SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
    xmlout.setOutput(writer, outputProperties);
    if ("yes".equals(getProperty(EXistOutputKeys.EXPAND_XINCLUDES, "yes"))) {
        xinclude.setReceiver(xmlout);
        receiver = xinclude;
    } else {
        receiver = xmlout;
    }
    if (root != null && getHighlightingMode() != TAG_NONE) {
        final IndexController controller = broker.getIndexController();
        MatchListener listener = controller.getMatchListener(root);
        if (listener != null) {
            final MatchListener last = (MatchListener) listener.getLastInChain();
            last.setNextInChain(receiver);
            receiver = listener;
        }
    }
    if (root == null && applyFilters && customMatchListeners.getFirst() != null) {
        customMatchListeners.getLast().setNextInChain(receiver);
        receiver = customMatchListeners.getFirst();
    }
}

Example 3 with MatchListener

use of org.exist.indexing.MatchListener in project exist by eXist-db.

the class Serializer method setupMatchListeners.

protected Receiver setupMatchListeners(NodeProxy p) {
    final Receiver oldReceiver = receiver;
    if (getHighlightingMode() != TAG_NONE) {
        final IndexController controller = broker.getIndexController();
        MatchListener listener = controller.getMatchListener(p);
        if (listener != null) {
            final MatchListener last = (MatchListener) listener.getLastInChain();
            last.setNextInChain(receiver);
            receiver = listener;
        }
    }
    return oldReceiver;
}

Example 4 with MatchListener

use of org.exist.indexing.MatchListener in project exist by eXist-db.

the class Serializer method setXSLHandler.

protected void setXSLHandler(NodeProxy root, boolean applyFilters) {
    if (templates != null && xslHandler != null) {
        final SAXResult result = new SAXResult();
        boolean processXInclude = "yes".equals(getProperty(EXistOutputKeys.EXPAND_XINCLUDES, "yes"));
        final ReceiverToSAX filter;
        if (processXInclude) {
            final Receiver xincludeReceiver = xinclude.getReceiver();
            if (xincludeReceiver != null && xincludeReceiver instanceof SAXSerializer) {
                filter = new ReceiverToSAX((SAXSerializer) xincludeReceiver);
            } else {
                filter = (ReceiverToSAX) xincludeReceiver;
            }
        } else {
            filter = (ReceiverToSAX) receiver;
        }
        result.setHandler(filter.getContentHandler());
        result.setLexicalHandler(filter.getLexicalHandler());
        filter.setLexicalHandler(xslHandler);
        filter.setContentHandler(xslHandler);
        xslHandler.setResult(result);
        if (processXInclude) {
            xinclude.setReceiver(new ReceiverToSAX(xslHandler));
            receiver = xinclude;
        } else {
            receiver = new ReceiverToSAX(xslHandler);
        }
    }
    if (root != null && getHighlightingMode() != TAG_NONE) {
        final IndexController controller = broker.getIndexController();
        MatchListener listener = controller.getMatchListener(root);
        if (listener != null) {
            final MatchListener last = (MatchListener) listener.getLastInChain();
            last.setNextInChain(receiver);
            receiver = listener;
        }
    }
    if (applyFilters && root == null && customMatchListeners.getFirst() != null) {
        customMatchListeners.getLast().setNextInChain(receiver);
        receiver = customMatchListeners.getFirst();
    }
}