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 Document parseXmlDocument(File file, boolean namespaceAware)
        throws ParserConfigurationException, SAXException, IOException {
    DocumentBuilder docBuilder = buildDocumentBuilder(namespaceAware);
    Document doc = docBuilder.parse(file);

    // normalize text representation
    doc.getDocumentElement().normalize();

    return doc;/*from  ww w . j ava  2 s . c o  m*/
}

From source file:Main.java

static Node getElementById(Document doc, String id, Map<String, Node> idMap) {
    if (!idMap.containsKey(id)) {
        registerIDs(doc, doc.getDocumentElement(), idMap);
    }//  ww  w. j ava  2 s.c o m
    return idMap.get(id);
}

From source file:Main.java

public static NodeList queryDomNodes(Document doc, String path) {
    return queryDomNodes(doc.getDocumentElement(), path);
}

From source file:Main.java

public static Element getElement(Document doc, String tagName, int index) {
    //Given an XML document and a tag return an Element at a given index
    NodeList rows = doc.getDocumentElement().getElementsByTagName(tagName);
    return (Element) rows.item(index);
}

From source file:Main.java

public static String queryDomString(Document doc, String path) {
    return queryDomString(doc.getDocumentElement(), path);
}

From source file:Main.java

/**
 * Traverses the DOM tree to lookup the XPath.
 * /*from  w w w  .j a  v a  2  s. c  om*/
 * A sample XPath would look like "Parent > Child > Grandchild" for a DOM
 * tree as following:
 * 
 * <pre>
 * <Parent>
 *       <Child>
 *          <Grandchild>
 *          </Grandchild>
 *       </Child>
 * </Parent>
 * </pre>
 * 
 * @param doc
 *            The DOM tree to traverse
 * @param xPath
 *            A path to lookup
 * @param separator
 *            String separator used to break up level hierarchy with in the
 *            path
 * @return Node(s) found at the given path
 */
public static NodeList lookup(Document doc, String xPath, String separator) {
    return lookup(doc.getDocumentElement(), xPath, separator);
}

From source file:DOMEdit.java

public static void addComment(Document doc) {
        Element root = doc.getDocumentElement();
        Element folks = (Element) root.getLastChild();
        Comment comment = doc.createComment("Text of the comment");
        root.insertBefore(comment, folks);
    }//from   w  ww  .ja v a  2  s. c  o  m

From source file:DOMEdit.java

public static void addProcessingInstruction(Document doc) {
        Element root = doc.getDocumentElement();
        Element folks = (Element) root.getLastChild();
        ProcessingInstruction pi;
        pi = (ProcessingInstruction) doc.createProcessingInstruction("validate", "phone=\"lookup\"");
        root.insertBefore(pi, folks);//w ww.j a  v a2s.c  om
    }

From source file:Main.java

/**
 * Prints the specified document.//from   w  ww  .j  ava  2s .  com
 * 
 * @param d the specified document.
 */
private static void printDocument(Document d) {
    printNode(d.getDocumentElement(), 0);
}

From source file:Main.java

/**
 * @param n//from w  w  w.  j av a 2s .  co m
 *            the node
 * @return the first element in the ancestor tree of {@code n}. If
 *         {@code n} is an {@link Element}, {@code n} is returned. If
 *         {@code n} is <code>null</code>, this method returns
 *         <code>null</code>.
 */
public static Element getAncestorElement(Node n) {
    if (n == null) {
        return null;
    }
    if (n.getNodeType() == Node.ELEMENT_NODE) {
        return (Element) n;
    }
    Node parent = n.getParentNode();
    if (parent == null) {
        Document doc = (Document) (n instanceof Document ? n : n.getOwnerDocument());
        return doc == null ? null : doc.getDocumentElement();
    }
    return getAncestorElement(parent);
}