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 Element getroot(String siteName) {
    Element root = null;//from  w  w w  .  j ava2 s. co  m
    try {
        File fXmlFile = new File(siteName);
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document document = dBuilder.parse(fXmlFile);
        root = document.getDocumentElement();

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

    return root;

}

From source file:Main.java

public static Node findNode(Document d, String name) {

    Node body = d.getDocumentElement();

    return actualFindNode(body, name);
}

From source file:Main.java

/**
 * Append application specific tags into xml signature document
 * @param document//from   w w w.  j a  v  a 2 s . c  o  m
 * @return
 */
public static Document addUserInfoToSignature(Document document) {

    Element signature = document.getDocumentElement();

    // initially it has no root-element, ... so we create it:
    Element root = document.createElement("digital-signature");

    Element subjInfo = document.createElement("subject-information");
    subjInfo.appendChild(document.createElement("subject"));
    subjInfo.appendChild(document.createElement("date"));
    subjInfo.appendChild(document.createElement("time"));
    subjInfo.appendChild(document.createElement("timestamp"));

    root.appendChild(subjInfo);
    root.appendChild(signature);
    // we can add an element to a document only once,
    // the following calls will raise exceptions:
    document.appendChild(root);
    document.setXmlStandalone(true);

    return document;
}

From source file:Main.java

public static Element loadRootElement(DocumentBuilder documentBuilder, File file) throws Exception {
    Document document = loadDocument(documentBuilder, file);
    return document.getDocumentElement();
}

From source file:Main.java

/**
 * returns a XML node size.//from w  ww . j a v  a 2  s  .co m
 *
 * @param pDocument         Document XML DOM document
 * @param psTagName         String XML node name
 * @return                  int XML node size
 */
public static int getSize(Document pDocument, String psTagName) {
    NodeList rows = pDocument.getDocumentElement().getElementsByTagName(psTagName);
    return rows.getLength();
}

From source file:Main.java

/**
 * Converts a String representing an XML snippet into an {@link org.w3c.dom.Element}.
 *
 * @param xml snippet as a string//  w  ww .  j av  a  2  s.c o  m
 * @return a DOM Element
 * @throws Exception if unable to parse the String or if it doesn't contain valid XML.
 */
public static Element stringToElement(String xml) throws Exception {
    ByteArrayInputStream bais = new ByteArrayInputStream(xml.getBytes("utf8"));
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document d = builder.parse(bais);
    bais.close();
    return d.getDocumentElement();
}

From source file:Main.java

static public Element getDocumentElement(InputStream in) {
    DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();

    try {//from  www.j a  v  a  2 s .co m
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document doc = builder.parse(in);

        return doc.getDocumentElement();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return null;
}

From source file:Main.java

/**
 * Parses an XML file and returns the name of the document element.
 * @param file the file containing the XML to parse.
 * @return the name of the document element, or null if the file does not parse.
 *//*w ww.  ja  va  2s. c  om*/
public static String getDocumentElementName(File file) {
    try {
        DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        Document d = db.parse(file);
        Element root = d.getDocumentElement();
        return root.getTagName();
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static void insertLeadingPI(Document doc, String target, String data) {
    Element element = doc.getDocumentElement();
    ProcessingInstruction pi = doc.createProcessingInstruction(target, data);
    element.getParentNode().insertBefore(pi, element);
}

From source file:Main.java

public static void insertTrailingPI(Document doc, String target, String data) {
    Element element = doc.getDocumentElement();
    ProcessingInstruction pi = doc.createProcessingInstruction(target, data);
    element.getParentNode().appendChild(pi);
}