Example usage for org.w3c.dom Document getDocumentElement

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

public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder loader = factory.newDocumentBuilder();
    Document document = loader.parse("sample.xml");

    DocumentTraversal traversal = (DocumentTraversal) document;

    TreeWalker walker = traversal.createTreeWalker(document.getDocumentElement(), NodeFilter.SHOW_ELEMENT, null,
            true);// w  ww.  j  a  va2s.  co m

    traverseLevel(walker, "");
}

From source file:Main.java

public static void main(String[] args) throws Throwable {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    String entryType = null;//from w w w . j  a  v  a  2 s  .c  o m
    XPathExpression[] expressions = new XPathExpression[] {
            xpath.compile("local-name(*[local-name() = 'package'])"),
            xpath.compile("local-name(*[local-name() = 'libapp'])"),
            xpath.compile("local-name(*[local-name() = 'module'])") };

    DocumentBuilderFactory fac = DocumentBuilderFactory.newInstance();
    DocumentBuilder parser = fac.newDocumentBuilder();
    Document doc = parser.parse(args[0]);

    for (int i = 0; i < expressions.length; i++) {
        String found = (String) expressions[i].evaluate(doc.getDocumentElement(), XPathConstants.STRING);
        entryType = mappings.get(found);
        if (entryType != null && !entryType.trim().isEmpty()) {
            break;
        }
    }
    System.out.println(entryType);
}

From source file:DemoTreeWalker.java

public static void main(String args[]) throws SAXException, IOException {

    DOMParser parser = new DOMParser();
    parser.parse("games.xml");

    Document doc = parser.getDocument();

    DocumentTraversal docTraversal = (DocumentTraversal) doc;

    TreeWalker iter = docTraversal.createTreeWalker(doc.getDocumentElement(), NodeFilter.SHOW_ALL, null, false);
    Node n = null;//w ww  .  ja  v  a2 s.  c om
    while ((n = iter.nextNode()) != null) {
        System.out.println("Node name: " + n.getNodeName());
        System.out.println("Node value: " + n.getNodeValue());
    }

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder loader = factory.newDocumentBuilder();
    Document document = loader.parse("sample.xml");

    DocumentTraversal traversal = (DocumentTraversal) document;

    NodeIterator iterator = traversal.createNodeIterator(document.getDocumentElement(), NodeFilter.SHOW_ALL,
            new ItemFilter(), true);

    for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode()) {
        System.out.println("Element: " + ((Element) n).getTagName());
    }/*from  w  w  w .j  av a 2s .  c o m*/
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String xml = "<Services><service name='qwerty' id=''><File rootProfile='abcd' extension='acd'><Columns>"
            + "<name id='0' profileName='DATE' type='java'></name><name id='1' profileName='DATE' type='java'></name>"
            + "</Columns></File><File rootProfile='efg' extension='ghi'><Columns><name id='a' profileName='DATE' type='java'></name>"
            + "<name id='b' profileName='DATE' type='java'></name></Columns></File></service></Services>";
    DocumentBuilderFactory documentFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder documentBuilder = null;

    documentBuilder = documentFactory.newDocumentBuilder();

    org.w3c.dom.Document doc = documentBuilder.parse(new InputSource(new ByteArrayInputStream(xml.getBytes())));

    doc.getDocumentElement().normalize();
    NodeList nodeList0 = doc.getElementsByTagName("service");
    NodeList nodeList1 = null;/*from w w w  .  j  ava2 s.co m*/
    NodeList nodeList2 = null;
    System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

    for (int temp0 = 0; temp0 < nodeList0.getLength(); temp0++) {
        Node node0 = nodeList0.item(temp0);

        System.out.println("\nElement type :" + node0.getNodeName());
        Element Service = (Element) node0;

        if (node0.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        System.out.println("name : " + Service.getAttribute("name"));
        System.out.println("id : " + Service.getAttribute("id"));
        nodeList1 = Service.getChildNodes();
        for (int temp = 0; temp < nodeList1.getLength(); temp++) {
            Node node1 = nodeList1.item(temp);

            System.out.println("\nElement type :" + node1.getNodeName());

            Element File = (Element) node1;

            if (node1.getNodeType() != Node.ELEMENT_NODE) {
                continue;
            }
            System.out.println("rootProfile:" + File.getAttribute("rootProfile"));
            System.out.println("extension  : " + File.getAttribute("extension"));

            nodeList2 = File.getChildNodes();// colums
            for (int temp1 = 0; temp1 < nodeList2.getLength(); temp1++) {
                Element column = (Element) nodeList2.item(temp1);
                NodeList nodeList4 = column.getChildNodes();
                for (int temp3 = 0; temp3 < nodeList4.getLength(); temp3++) {
                    Element name = (Element) nodeList4.item(temp3);
                    if (name.getNodeType() != Node.ELEMENT_NODE) {
                        continue;
                    }
                    System.out.println("id:" + name.getAttribute("id"));
                    System.out.println("profileName  : " + name.getAttribute("profileName"));
                    System.out.println("type  : " + name.getAttribute("type"));
                }
            }
        }
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    Document document = factory.newDocumentBuilder().parse(new InputSource(new StringReader(getXMLData())));

    DocumentTraversal traversal = (DocumentTraversal) document;
    NodeIterator iterator = traversal.createNodeIterator(document.getDocumentElement(), NodeFilter.SHOW_ELEMENT,
            null, true);/* w  w w  . jav  a 2 s.c o m*/

    for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode()) {
        System.out.println("Element: " + ((Element) n).getTagName());
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    Document document = factory.newDocumentBuilder().parse(new InputSource(new StringReader(getXMLData())));

    DocumentTraversal traversal = (DocumentTraversal) document;

    TreeWalker walker = traversal.createTreeWalker(document.getDocumentElement(), NodeFilter.SHOW_ELEMENT, null,
            true);/*  www . jav a  2  s  .c  o m*/

    traverseLevel(walker, "");
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    Document document = factory.newDocumentBuilder().parse(new InputSource(new StringReader(getXMLData())));

    DocumentTraversal traversal = (DocumentTraversal) document;

    NodeIterator iterator = traversal.createNodeIterator(document.getDocumentElement(), NodeFilter.SHOW_ALL,
            new ItemFilter(), true);

    for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode()) {
        System.out.println("Element: " + ((Element) n).getTagName());
    }/* ww w .ja va 2s  .  c  om*/
}

From source file:TryDOM.java

public static void main(String args[]) throws Exception {

        DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
        builderFactory.setNamespaceAware(true);
        builderFactory.setValidating(true);
        builderFactory.setIgnoringElementContentWhitespace(true);

        DocumentBuilder builder = null;
        builder = builderFactory.newDocumentBuilder();
        builder.setErrorHandler(new TryDOM());
        Document xmlDoc = builder.parse(new File("y.xml"));
        DocumentType doctype = xmlDoc.getDoctype();
        System.out.println("DOCTYPE node:\n" + getDoctypeString(doctype));
        listNodes(xmlDoc.getDocumentElement(), "");
    }//from w  w w .  j  a  va  2  s . co  m

From source file:Main.java

public static void main(String[] args) {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder docBuilder = factory.newDocumentBuilder();
    Document xmlDoc = docBuilder.parse(new File("sample.xml"));
    NodeList nodes = xmlDoc.getElementsByTagName("fr");
    for (int i = 0, length = nodes.getLength(); i < length; i++) {
        ((Element) nodes.item(i)).setTextContent("Modified");
    }/*from  w  w w  .  ja v a 2 s .  c  o  m*/
    xmlDoc.getDocumentElement().normalize();
    TransformerFactory transformerFactory = TransformerFactory.newInstance();
    Transformer transformer = transformerFactory.newTransformer();
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
    DOMSource domSource = new DOMSource(xmlDoc);
    StreamResult result = new StreamResult(new File("sample.xml"));
    transformer.transform(domSource, result);
    System.out.println("Modification Done");
}