Example usage for org.w3c.dom Document getDocumentElement

List of usage examples for org.w3c.dom Document getDocumentElement

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Introduction

In this page you can find the example usage for org.w3c.dom Document getDocumentElement.

Prototype

public Element getDocumentElement();

Source Link

Document

This is a convenience attribute that allows direct access to the child node that is the document element of the document.

Usage

From source file:Main.java

private static Document pruneDocument(Document doc, int maxElement) throws ParserConfigurationException {
    if (maxElement == -1) {
        return doc;
    }/*  w  ww  .jav  a  2s.c  o m*/

    Document newDoc = (Document) doc.cloneNode(false);
    Element newRoot = (Element) doc.getDocumentElement().cloneNode(false);
    newDoc.adoptNode(newRoot);
    newDoc.appendChild(newRoot);

    NodeList nl = doc.getDocumentElement().getChildNodes();
    for (int i = 0; i < maxElement && i < nl.getLength(); i++) {
        if (!(nl.item(i) instanceof Element)) {
            maxElement++;
            continue;
        }

        Node item = nl.item(i).cloneNode(true);
        newDoc.adoptNode(item);
        newDoc.getDocumentElement().appendChild(item);
    }

    if (debug)
        System.out.println("Creating document of " + newDoc.getDocumentElement().getChildNodes().getLength());
    return newDoc;
}

From source file:Main.java

public static void testx() {
    try {//from   ww  w  .  j  a  va 2  s . co  m
        File fXmlFile = new File("C:\\Users\\is96092\\Desktop\\music\\Megaman2.xml");
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(fXmlFile);

        //optional, but recommended
        //read this - http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
        doc.getDocumentElement().normalize();

        System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

        NodeList nList = doc.getElementsByTagName("staff");

        System.out.println("----------------------------");

        for (int temp = 0; temp < nList.getLength(); temp++) {

            Node nNode = nList.item(temp);

            System.out.println("\nCurrent Element :" + nNode.getNodeName());

            if (nNode.getNodeType() == Node.ELEMENT_NODE) {

                Element eElement = (Element) nNode;

                System.out.println("Staff id : " + eElement.getAttribute("id"));
                System.out.println(
                        "First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent());
                System.out.println(
                        "Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent());
                System.out.println(
                        "Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent());
                System.out.println(
                        "Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent());

            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.cloud.test.utils.UtilsForTest.java

public static ArrayList<HashMap<String, String>> parseMulXML(InputStream is, String[] tagNames) {
    ArrayList<HashMap<String, String>> returnValues = new ArrayList<HashMap<String, String>>();

    try {//from   w  w w  .ja va2s .c  o m
        DocumentBuilder docBuilder = factory.newDocumentBuilder();
        Document doc = docBuilder.parse(is);
        Element rootElement = doc.getDocumentElement();
        for (int i = 0; i < tagNames.length; i++) {
            NodeList targetNodes = rootElement.getElementsByTagName(tagNames[i]);
            if (targetNodes.getLength() <= 0) {
                System.out.println("no " + tagNames[i] + " tag in XML response...returning null");
            } else {
                for (int j = 0; j < targetNodes.getLength(); j++) {
                    HashMap<String, String> valueList = new HashMap<String, String>();
                    Node node = targetNodes.item(j);
                    //parse child nodes
                    NodeList child = node.getChildNodes();
                    for (int c = 0; c < node.getChildNodes().getLength(); c++) {
                        child.item(c).getNodeName();
                        valueList.put(child.item(c).getNodeName(), child.item(c).getTextContent());
                    }
                    returnValues.add(valueList);
                }

            }
        }
    } catch (Exception ex) {
        System.out.println(ex);
    }

    return returnValues;
}

From source file:Main.java

private static NodeList getNodeList(String xmlContent, String expression)
        throws XPathExpressionException, SAXException, IOException, ParserConfigurationException {

    Document document = parse(xmlContent, CHARSET_UTF8);
    XPath xpath = XPathFactory.newInstance().newXPath();
    NodeList nodeList = (NodeList) xpath.evaluate(expression, document.getDocumentElement(),
            XPathConstants.NODESET);

    return nodeList;
}

From source file:ac.uk.diamond.sample.HttpClientTest.Utils.java

/**
 * Helper method that deserializes and unmarshalls the message from the given stream. This
 * method has been adapted from {@code org.opensaml.ws.message.decoder.BaseMessageDecoder}.
 * /*from w ww . ja v a  2  s .  c o  m*/
 * @param messageStream
 *            input stream containing the message
 * 
 * @return the inbound message
 * 
 * @throws MessageDecodingException
 *             thrown if there is a problem deserializing and unmarshalling the message
 */
static XMLObject unmarshallMessage(ParserPool parserPool, String messageStream) throws ClientProtocolException {
    try {
        Document messageDoc = parserPool.parse(new StringReader(messageStream));
        Element messageElem = messageDoc.getDocumentElement();

        Unmarshaller unmarshaller = Configuration.getUnmarshallerFactory().getUnmarshaller(messageElem);
        if (unmarshaller == null) {
            throw new ClientProtocolException(
                    "Unable to unmarshall message, no unmarshaller registered for message element "
                            + XMLHelper.getNodeQName(messageElem));
        }

        XMLObject message = unmarshaller.unmarshall(messageElem);

        return message;
    } catch (XMLParserException e) {
        throw new ClientProtocolException("Encountered error parsing message into its DOM representation", e);
    } catch (UnmarshallingException e) {
        throw new ClientProtocolException("Encountered error unmarshalling message from its DOM representation",
                e);
    }
}

From source file:com.spun.util.ups.UPSUtils.java

/***********************************************************************/
private static UPSQuote[] extractQuotes(InputStream response)
        throws SAXException, IOException, ParserConfigurationException, FactoryConfigurationError {
    Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(response);
    ArrayList<UPSQuote> quotes = new ArrayList<UPSQuote>();
    NodeList list = document.getDocumentElement().getElementsByTagName("RatedShipment");
    for (int i = 0; i < list.getLength(); i++) {
        quotes.add(extractQuote(list.item(i)));
    }/* w w w .jav  a  2 s  . c o m*/
    if (quotes.size() == 0) {
        MySystem.warning("Couldn't find quote in response " + getDocument(document));
    }
    return UPSQuote.toArray(quotes);
}

From source file:com.sun.portal.portletcontainer.admin.PortletRegistryHelper.java

public static Element getRootElement(Document document) {
    if (document != null) {
        return document.getDocumentElement();
    }/* w w  w . j  a  v  a  2  s. co  m*/
    return null;
}

From source file:eu.planets_project.services.utils.cli.CliMigrationPaths.java

/**
 * @param resourceName The XML file containing the path configuration
 * @return The paths defined in the XML file
 * @throws ParserConfigurationException/*w w w  .j  a  v  a2  s .c  o m*/
 * @throws IOException
 * @throws SAXException
 * @throws URISyntaxException
 */
// TODO: Clean up this exception-mess. Something like "InitialisationException" or "ConfigurationErrorException" should cover all these exceptions.
public static CliMigrationPaths initialiseFromFile(String resourceName)
        throws ParserConfigurationException, IOException, SAXException, URISyntaxException {

    InputStream instream;

    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    URL resourceURL = loader.getResource(resourceName);
    if (new File(defaultPath, resourceName).isFile()) {
        instream = new FileInputStream(new File(defaultPath, resourceName));
    } else if (new File(resourceName).isFile()) {
        instream = new FileInputStream(new File(resourceName));
    } else if (resourceURL != null) {
        instream = resourceURL.openStream();
    } else {
        String msg = String.format("Could not locate resource %s", resourceName);
        throw new FileNotFoundException(msg);
    }

    CliMigrationPaths paths = new CliMigrationPaths();

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

    DocumentBuilder builder = dbf.newDocumentBuilder();
    Document doc = builder.parse(instream);

    Element fileformats = doc.getDocumentElement();
    if (fileformats != null) {
        NodeList children = fileformats.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                if (child.getNodeName().equals("path")) {
                    CliMigrationPath pathdef = decodePathNode(child);
                    paths.add(pathdef);
                }
            }
        }
    }
    IOUtils.closeQuietly(instream);
    return paths;
}

From source file:Main.java

public static void ReadXMLFile()

{

    try {/*from  ww  w.  j av  a 2 s. c o m*/

        File fXmlFile = new File("D:\\FAR_Documents\\__Startamap\\Home.xml");
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(fXmlFile);

        //optional, but recommended
        //read this - http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
        doc.getDocumentElement().normalize();

        System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

        NodeList nList = doc.getElementsByTagName("staff");

        System.out.println("----------------------------");

        for (int temp = 0; temp < nList.getLength(); temp++) {

            Node nNode = nList.item(temp);

            System.out.println("\nCurrent Element :" + nNode.getNodeName());

            if (nNode.getNodeType() == Node.ELEMENT_NODE) {

                Element eElement = (Element) nNode;

                System.out.println("Staff id : " + eElement.getAttribute("id"));
                System.out.println(
                        "First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent());
                System.out.println(
                        "Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent());
                System.out.println(
                        "Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent());
                System.out.println(
                        "Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent());

            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:de.betterform.session.DefaultSerializer.java

/**
 * @param document//  ww  w. ja va2s.  c  o m
 * @return
 */
private static NodeWrapper getDocumentElementContext(Document document) {
    return new DocumentWrapper(document, "configuration.xml", new IndependentContext().getConfiguration())
            .wrap(document.getDocumentElement());
}