Examples with DOMSerializer org.exist.util.serializer.DOMSerializer used on opensource projects

Example 1 with DOMSerializer

use of org.exist.util.serializer.DOMSerializer in project exist by eXist-db.

the class XMLDBXUpdate method evalWithCollection.

/* (non-Javadoc)
	 * @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
	 */
public Sequence evalWithCollection(Collection c, Sequence[] args, Sequence contextSequence) throws XPathException {
    final NodeValue data = (NodeValue) args[1].itemAt(0);
    final StringWriter writer = new StringWriter();
    final Properties properties = new Properties();
    properties.setProperty(OutputKeys.INDENT, "yes");
    final DOMSerializer serializer = new ExtendedDOMSerializer(context.getBroker(), writer, properties);
    try {
        serializer.serialize(data.getNode());
    } catch (final TransformerException e) {
        logger.debug("Exception while serializing XUpdate document", e);
        throw new XPathException(this, "Exception while serializing XUpdate document: " + e.getMessage(), e);
    }
    final String xupdate = writer.toString();
    long modifications = 0;
    try {
        final XUpdateQueryService service = (XUpdateQueryService) c.getService("XUpdateQueryService", "1.0");
        logger.debug("Processing XUpdate request: {}", xupdate);
        modifications = service.update(xupdate);
    } catch (final XMLDBException e) {
        throw new XPathException(this, "Exception while processing xupdate: " + e.getMessage(), e);
    }
    context.getRootExpression().resetState(false);
    return new IntegerValue(modifications);
}

Example 2 with DOMSerializer

use of org.exist.util.serializer.DOMSerializer in project exist by eXist-db.

the class JMXServlet method writeXmlData.

private void writeXmlData(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    Element root = null;
    final String operation = request.getParameter("operation");
    if ("ping".equals(operation)) {
        long timeout = 5000;
        final String timeoutParam = request.getParameter("t");
        if (StringUtils.isNotBlank(timeoutParam)) {
            try {
                timeout = Long.parseLong(timeoutParam);
            } catch (final NumberFormatException e) {
                throw new ServletException("timeout parameter needs to be a number. Got: " + timeoutParam);
            }
        }
        final long responseTime = client.ping(BrokerPool.DEFAULT_INSTANCE_NAME, timeout);
        if (responseTime == JMXtoXML.PING_TIMEOUT) {
            root = client.generateXMLReport(String.format("no response on ping after %sms", timeout), new String[] { "sanity", "locking", "processes", "instances", "memory" });
        } else {
            root = client.generateXMLReport(null, new String[] { "sanity" });
        }
    } else if (operation != null && operation.length() > 0) {
        final String mbean = request.getParameter("mbean");
        if (mbean == null) {
            throw new ServletException("to call an operation, you also need to specify parameter 'mbean'");
        }
        String[] args = request.getParameterValues("args");
        try {
            root = client.invoke(mbean, operation, args);
            if (root == null) {
                throw new ServletException("operation " + operation + " not found on " + mbean);
            }
        } catch (InstanceNotFoundException e) {
            throw new ServletException("mbean " + mbean + " not found: " + e.getMessage(), e);
        } catch (MalformedObjectNameException | IntrospectionException | ReflectionException | MBeanException e) {
            throw new ServletException(e.getMessage(), e);
        }
    } else {
        String[] categories = request.getParameterValues("c");
        if (categories == null) {
            categories = new String[] { "all" };
        }
        root = client.generateXMLReport(null, categories);
    }
    response.setContentType("application/xml");
    final Object useAttribute = request.getAttribute("jmx.attribute");
    if (useAttribute != null) {
        request.setAttribute(useAttribute.toString(), root);
    } else {
        final Writer writer = new OutputStreamWriter(response.getOutputStream(), StandardCharsets.UTF_8);
        final DOMSerializer streamer = new DOMSerializer(writer, defaultProperties);
        try {
            streamer.serialize(root);
        } catch (final TransformerException e) {
            LOG.error(e.getMessageAndLocation());
            throw new ServletException("Error while serializing result: " + e.getMessage(), e);
        }
        writer.flush();
    }
}

Example 3 with DOMSerializer

use of org.exist.util.serializer.DOMSerializer in project exist by eXist-db.

the class DOMTest method documentBuilder.

@Test
public void documentBuilder() throws ParserConfigurationException, SAXException, IOException, TransformerException {
    DocumentBuilderReceiver receiver = new DocumentBuilderReceiver();
    SAXParserFactory factory = ExistSAXParserFactory.getSAXParserFactory();
    factory.setNamespaceAware(true);
    XMLReader reader = factory.newSAXParser().getXMLReader();
    reader.setContentHandler(receiver);
    reader.parse(new InputSource(new StringReader(XML)));
    Document doc = receiver.getDocument();
    Node node = doc.getFirstChild();
    assertNotNull(node);
    StringWriter writer = new StringWriter();
    DOMSerializer serializer = new DOMSerializer(writer, null);
    serializer.serialize(node);
    writer.toString();
}

Example 4 with DOMSerializer

use of org.exist.util.serializer.DOMSerializer in project exist by eXist-db.

the class JMXtoXML method generateReport.

/**
 * Retrieve JMX output for the given categories and return a string of XML. Valid categories are "memory",
 * "instances", "disk", "system", "caches", "locking", "processes", "sanity", "all".
 *
 * @param categories array of categories to include in the report
 * @throws TransformerException in case of serialization errors
 * @return string containing an XML report
 */
public String generateReport(final String[] categories) throws TransformerException {
    final Element root = generateXMLReport(null, categories);
    final StringWriter writer = new StringWriter();
    final DOMSerializer streamer = new DOMSerializer(writer, defaultProperties);
    streamer.serialize(root);
    return writer.toString();
}

Example 5 with DOMSerializer

use of org.exist.util.serializer.DOMSerializer in project exist by eXist-db.

the class DOMSerializerTest method serialize.

@Test
public void serialize() throws ParserConfigurationException, IOException, SAXException, TransformerException, URISyntaxException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    assertNotNull(factory);
    factory.setNamespaceAware(true);
    DocumentBuilder builder = factory.newDocumentBuilder();
    assertNotNull(builder);
    try (final InputStream is = SAMPLES.getBiblioSample()) {
        Document doc = builder.parse(new InputSource(is));
        assertNotNull(doc);
        try (final StringWriter writer = new StringWriter()) {
            DOMSerializer serializer = new DOMSerializer(writer, null);
            serializer.serialize(doc.getDocumentElement());
        }
    }
}