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

Example 6 with SAXAdapter

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

the class ParseCQL method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    Sequence ret = Sequence.EMPTY_SEQUENCE;
    if (args[0].isEmpty())
        return Sequence.EMPTY_SEQUENCE;
    String query = args[0].getStringValue();
    String output = "XCQL";
    if (!args[1].isEmpty())
        output = args[1].getStringValue();
    try {
        CQLParser parser = new CQLParser(CQLParser.V1POINT2);
        // String local_full_query_string = query;
        // local_full_query_string = local_full_query_string.replace("-", "%2D");
        CQLNode query_cql = parser.parse(query);
        if (output.equals(OutputTypeXCQL)) {
            String xmlContent = query_cql.toXCQL();
            if (xmlContent.isEmpty()) {
                return Sequence.EMPTY_SEQUENCE;
            }
            StringReader reader = new StringReader(xmlContent);
            SAXAdapter adapter = new SAXAdapter(context);
            SAXParserFactory factory = SAXParserFactory.newInstance();
            factory.setNamespaceAware(true);
            InputSource src = new InputSource(reader);
            SAXParser saxParser = factory.newSAXParser();
            XMLReader xr = saxParser.getXMLReader();
            xr.setContentHandler(adapter);
            xr.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
            xr.parse(src);
            ret = (DocumentImpl) adapter.getDocument();
        } else if (output.equals(OutputTypeString)) {
            ret = new StringValue(query_cql.toString());
        } else {
            ret = new StringValue(query_cql.toCQL());
        }
        return ret;
    } catch (CQLParseException e) {
        throw new XPathException(this, "An error occurred while parsing the query expression (CQLParseException): " + e.getMessage(), e);
    } catch (SAXException e) {
        throw new XPathException(this, "Error while parsing XML: " + e.getMessage(), e);
    } catch (IOException e) {
        throw new XPathException(this, "An error occurred while parsing the query expression (IOException): " + e.getMessage(), e);
    } catch (ParserConfigurationException e) {
        throw new XPathException(this, "Error while constructing XML parser: " + e.getMessage(), e);
    }
}

Example 7 with SAXAdapter

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

the class DocTest method asInMemoryDocument.

private Either<DocumentImpl, org.exist.dom.persistent.DocumentImpl> asInMemoryDocument(final String doc) throws XPathException {
    try {
        final SAXAdapter saxAdapter = new SAXAdapter();
        final SAXParser saxParser = saxParserFactory.newSAXParser();
        final XMLReader xmlReader = saxParser.getXMLReader();
        xmlReader.setContentHandler(saxAdapter);
        xmlReader.setProperty(Namespaces.SAX_LEXICAL_HANDLER, saxAdapter);
        try (final Reader reader = new StringReader(doc)) {
            xmlReader.parse(new InputSource(reader));
        }
        return Left(saxAdapter.getDocument());
    } catch (final ParserConfigurationException | SAXException | IOException e) {
        throw new XPathException("Unable to parse document", e);
    }
}

Example 8 with SAXAdapter

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

the class RewriteConfig method parseConfig.

private Document parseConfig(final Path file) throws ParserConfigurationException, SAXException, IOException {
    try (final InputStream is = new BufferedInputStream(Files.newInputStream(file))) {
        final InputSource src = new InputSource(is);
        final XMLReaderPool parserPool = urlRewrite.getBrokerPool().getParserPool();
        XMLReader xr = null;
        try {
            xr = parserPool.borrowXMLReader();
            final SAXAdapter adapter = new SAXAdapter();
            xr.setContentHandler(adapter);
            xr.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
            xr.parse(src);
            return adapter.getDocument();
        } finally {
            if (xr != null) {
                parserPool.returnXMLReader(xr);
            }
        }
    }
}

Example 9 with SAXAdapter

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

the class XIncludeFilter method parseExternal.

private Either<ResourceError, org.exist.dom.memtree.DocumentImpl> parseExternal(final URI externalUri) throws ParserConfigurationException, SAXException {
    try {
        final URLConnection con = externalUri.toURL().openConnection();
        if (con instanceof HttpURLConnection) {
            final HttpURLConnection httpConnection = (HttpURLConnection) con;
            if (httpConnection.getResponseCode() != HttpURLConnection.HTTP_OK) {
                return Either.Left(new ResourceError("XInclude: unable to retrieve from URI: " + externalUri.toString() + ", server returned response code: " + httpConnection.getResponseCode()));
            }
        }
        // we use eXist's in-memory DOM implementation
        final XMLReaderPool parserPool = serializer.broker.getBrokerPool().getParserPool();
        XMLReader reader = null;
        try (final InputStream is = con.getInputStream()) {
            final InputSource src = new InputSource(is);
            reader = parserPool.borrowXMLReader();
            final SAXAdapter adapter = new SAXAdapter();
            reader.setContentHandler(adapter);
            reader.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
            reader.parse(src);
            final org.exist.dom.memtree.DocumentImpl doc = adapter.getDocument();
            doc.setDocumentURI(externalUri.toString());
            return Either.Right(doc);
        } finally {
            if (reader != null) {
                parserPool.returnXMLReader(reader);
            }
        }
    } catch (final IOException e) {
        return Either.Left(new ResourceError("XInclude: unable to retrieve and parse document from URI: " + externalUri.toString(), e));
    }
}

Example 10 with SAXAdapter

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

the class XMLTestRunner method parse.

private Document parse(final Path path) throws ParserConfigurationException, IOException, SAXException {
    final InputSource src = new InputSource(path.toUri().toASCIIString());
    final SAXParser parser = SAX_PARSER_FACTORY.newSAXParser();
    final XMLReader xr = parser.getXMLReader();
    xr.setFeature("http://xml.org/sax/features/external-general-entities", false);
    xr.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
    xr.setFeature(FEATURE_SECURE_PROCESSING, true);
    // we have to use eXist-db's SAXAdapter, otherwise un-referenced namespaces as used by xpath assertions may be stripped by Xerces.
    final SAXAdapter adapter = new SAXAdapter();
    xr.setContentHandler(adapter);
    xr.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
    xr.parse(src);
    return adapter.getDocument();
}