Examples with SAXAdapter org.exist.dom.memtree.SAXAdapter used on opensource projects

Example 1 with SAXAdapter

use of org.exist.dom.memtree.SAXAdapter in project exist by eXist-db.

the class Eval method loadVarFromURI.

private NodeImpl loadVarFromURI(final String uri) throws XPathException {
    XMLReader xr = null;
    final XMLReaderPool parserPool = context.getBroker().getBrokerPool().getParserPool();
    try {
        final URL url = new URL(uri);
        final InputStreamReader isr = new InputStreamReader(url.openStream(), UTF_8);
        final InputSource src = new InputSource(isr);
        xr = parserPool.borrowXMLReader();
        final SAXAdapter adapter = new SAXAdapter(context);
        xr.setContentHandler(adapter);
        xr.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
        xr.parse(src);
        isr.close();
        return adapter.getDocument();
    } catch (final SAXException | IOException e) {
        throw new XPathException(this, e);
    } finally {
        if (xr != null) {
            parserPool.returnXMLReader(xr);
        }
    }
}

Example 2 with SAXAdapter

use of org.exist.dom.memtree.SAXAdapter in project exist by eXist-db.

the class Parse method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    if (args[0].getItemCount() == 0) {
        return Sequence.EMPTY_SEQUENCE;
    }
    final String xmlContent = args[0].itemAt(0).getStringValue();
    if (xmlContent.isEmpty()) {
        return Sequence.EMPTY_SEQUENCE;
    }
    final StringReader reader = new StringReader(xmlContent);
    final ValidationReport report = new ValidationReport();
    final SAXAdapter adapter = new SAXAdapter(context);
    XMLReader xr = null;
    try {
        final InputSource src = new InputSource(reader);
        final Optional<Either<Throwable, XMLReader>> maybeReaderInst = HtmlToXmlParser.getHtmlToXmlParser(context.getBroker().getConfiguration());
        if (maybeReaderInst.isPresent()) {
            final Either<Throwable, XMLReader> readerInst = maybeReaderInst.get();
            if (readerInst.isLeft()) {
                final String msg = "Unable to parse HTML to XML please ensure the parser is configured in conf.xml and is present on the classpath";
                final Throwable t = readerInst.left().get();
                LOG.error(msg, t);
                throw new XPathException(this, ErrorCodes.EXXQDY0002, t);
            } else {
                xr = readerInst.right().get();
            }
        } else {
            throw new XPathException(this, ErrorCodes.EXXQDY0002, "There is no HTML to XML parser configured in conf.xml");
        }
        xr.setErrorHandler(report);
        xr.setContentHandler(adapter);
        xr.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
        xr.parse(src);
    } catch (final SAXException e) {
        logger.debug("Error while parsing XML: {}", e.getMessage(), e);
    } catch (final IOException e) {
        throw new XPathException(this, ErrorCodes.EXXQDY0002, "Error while parsing XML: " + e.getMessage(), args[0], e);
    } finally {
        if (!isCalledAs("parse-html") && xr != null) {
            context.getBroker().getBrokerPool().getParserPool().returnXMLReader(xr);
        }
    }
    if (report.isValid()) {
        return adapter.getDocument();
    } else {
        context.pushDocumentContext();
        try {
            final MemTreeBuilder builder = context.getDocumentBuilder();
            final NodeImpl result = Shared.writeReport(report, builder);
            throw new XPathException(this, ErrorCodes.EXXQDY0002, report.toString(), result);
        } finally {
            context.popDocumentContext();
        }
    }
}

Example 3 with SAXAdapter

use of org.exist.dom.memtree.SAXAdapter in project exist by eXist-db.

the class TestCase method loadVarFromString.

public NodeImpl loadVarFromString(XQueryContext context, String source) throws IOException {
    SAXAdapter adapter = new SAXAdapter(context);
    SAXParserFactory factory = ExistSAXParserFactory.getSAXParserFactory();
    factory.setNamespaceAware(true);
    XMLReader xr;
    try {
        SAXParser parser = factory.newSAXParser();
        xr = parser.getXMLReader();
        xr.setContentHandler(adapter);
        xr.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
    } catch (Exception e) {
        throw new IOException(e);
    }
    try {
        InputSource src = new InputSource(new StringReader(source));
        xr.parse(src);
        return (NodeImpl) adapter.getDocument();
    } catch (SAXException e) {
        throw new IOException(e);
    }
}

Example 4 with SAXAdapter

use of org.exist.dom.memtree.SAXAdapter in project exist by eXist-db.

the class ParsingFunctions method parse.

private Sequence parse(final String xmlContent, final Sequence[] args) throws XPathException {
    final SAXAdapter adapter = new FragmentSAXAdapter(context, isCalledAs("parse-xml-fragment"));
    final ValidationReport report = validate(xmlContent, adapter);
    if (report.isValid()) {
        return adapter.getDocument();
    } else {
        try {
            context.pushDocumentContext();
            final MemTreeBuilder builder = context.getDocumentBuilder();
            final NodeImpl result = Shared.writeReport(report, builder);
            throw new XPathException(this, ErrorCodes.FODC0006, ErrorCodes.FODC0006.getDescription() + ": " + report.toString(), result);
        } finally {
            context.popDocumentContext();
        }
    }
}

Example 5 with SAXAdapter

use of org.exist.dom.memtree.SAXAdapter in project exist by eXist-db.

the class GMLIndexTest method lowLevelSearch.

@Test
public void lowLevelSearch() throws EXistException, SAXException, ParserConfigurationException, SpatialIndexException, IOException {
    GMLHandlerJTS geometryHandler = new GeometryHandler();
    GMLFilterGeometry geometryFilter = new GMLFilterGeometry(geometryHandler);
    GMLFilterDocument handler = new GMLFilterDocument(geometryFilter);
    final BrokerPool pool = server.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        AbstractGMLJDBCIndexWorker indexWorker = (AbstractGMLJDBCIndexWorker) broker.getIndexController().getWorkerByIndexId(AbstractGMLJDBCIndex.ID);
        // Unplugged
        if (indexWorker != null) {
            SAXParserFactory factory = ExistSAXParserFactory.getSAXParserFactory();
            factory.setNamespaceAware(true);
            InputSource src = new InputSource(new StringReader(IN_MEMORY_GML));
            SAXParser parser = factory.newSAXParser();
            XMLReader reader = parser.getXMLReader();
            SAXAdapter adapter = new SAXAdapter();
            reader.setContentHandler(handler);
            reader.setProperty("http://xml.org/sax/properties/lexical-handler", adapter);
            reader.parse(src);
            Geometry EPSG4326_geometry = indexWorker.transformGeometry(currentGeometry, "osgb:BNG", "EPSG:4326");
            assertNotNull(EPSG4326_geometry);
            NodeSet ns = indexWorker.search(broker, null, EPSG4326_geometry, SpatialOperator.EQUALS);
            assertTrue(ns.getLength() > 0);
            ns = indexWorker.search(broker, null, EPSG4326_geometry, SpatialOperator.DISJOINT);
            assertTrue(ns.getLength() > 0);
            ns = indexWorker.search(broker, null, EPSG4326_geometry, SpatialOperator.INTERSECTS);
            assertTrue(ns.getLength() > 0);
            ns = indexWorker.search(broker, null, EPSG4326_geometry, SpatialOperator.TOUCHES);
            // assertTrue(ns.getLength() > 0);
            ns = indexWorker.search(broker, null, EPSG4326_geometry, SpatialOperator.CROSSES);
            // assertTrue(ns.getLength() > 0);
            ns = indexWorker.search(broker, null, EPSG4326_geometry, SpatialOperator.WITHIN);
            assertTrue(ns.getLength() > 0);
            ns = indexWorker.search(broker, null, EPSG4326_geometry, SpatialOperator.CONTAINS);
            assertTrue(ns.getLength() > 0);
        // ns = ((GMLIndexWorker)index.getWorker()).search(broker, EPSG4326_geometry, SpatialOperator.OVERLAPS);
        // assertTrue(ns.getLength() > 0);
        }
    }
}