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();
    Document doc = factory.newDocumentBuilder().parse(new InputSource(new StringReader(getXMLData())));

    printAttributes(doc.getDocumentElement());

    System.out.println(documentToString(doc));

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(true);//  ww w  .j  ava2  s  .  c  o  m

    Document doc = factory.newDocumentBuilder().parse(new File("infilename.xml"));

    String fragment = "<fragment>aaa</fragment>";

    factory = DocumentBuilderFactory.newInstance();
    Document d = factory.newDocumentBuilder().parse(new InputSource(new StringReader(fragment)));

    Node node = doc.importNode(d.getDocumentElement(), true);

    DocumentFragment docfrag = doc.createDocumentFragment();

    while (node.hasChildNodes()) {
        docfrag.appendChild(node.removeChild(node.getFirstChild()));
    }

    Element element = doc.getDocumentElement();
    element.appendChild(docfrag);
}

From source file:TestDOM.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder parser = factory.newDocumentBuilder();
    Document document = parser.parse("zooinventory.xml");
    Element inventory = document.getDocumentElement();
    NodeList animals = inventory.getElementsByTagName("Animal");

    System.out.println("Animals = ");
    for (int i = 0; i < animals.getLength(); i++) {
        String name = DOMUtil.getSimpleElementText((Element) animals.item(i), "Name");
        String species = DOMUtil.getSimpleElementText((Element) animals.item(i), "Species");
        System.out.println("  " + name + " (" + species + ")");
    }/*w  w  w.  j a  v  a  2 s. c  om*/

    Element foodRecipe = DOMUtil.getFirstElement((Element) animals.item(1), "FoodRecipe");
    String name = DOMUtil.getSimpleElementText(foodRecipe, "Name");
    System.out.println("Recipe = " + name);
    NodeList ingredients = foodRecipe.getElementsByTagName("Ingredient");
    for (int i = 0; i < ingredients.getLength(); i++)
        System.out.println("  " + DOMUtil.getSimpleElementText((Element) ingredients.item(i)));
}

From source file:Main.java

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

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(true);//from   ww  w . j  a  v  a 2s.  com

    factory.setExpandEntityReferences(false);

    Document doc = factory.newDocumentBuilder().parse(new File("filename"));

    // Add a PI at the beginning of the document
    Element element = doc.getDocumentElement();
    ProcessingInstruction pi = doc.createProcessingInstruction("target", "instruction");
    element.getParentNode().insertBefore(pi, element);

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    Document doc = factory.newDocumentBuilder()
            .parse("http://stackoverflow.com/feeds/tag?tagnames=java&sort=newest");
    Element root = doc.getDocumentElement();
    XPath xPath = XPathFactory.newInstance().newXPath();
    XPathExpression expression = xPath.compile("//entry");
    NodeList nl = (NodeList) expression.evaluate(root, XPathConstants.NODESET);
    System.out.println("Found " + nl.getLength() + " items...");
    for (int index = 0; index < nl.getLength(); index++) {
        Node node = nl.item(index);
        expression = xPath.compile("title");
        Node child = (Node) expression.evaluate(node, XPathConstants.NODE);
        System.out.println(child.getTextContent());
    }/*from  w  ww .ja v  a 2  s  . com*/
}

From source file:XMLInfo.java

public static void main(String args[]) {
    try {//w  w  w .  j av  a2 s.  c  om
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document document = builder.parse("xmlFileName.xml");
        Node root = document.getDocumentElement();
        System.out.print("Here is the document's root node:");
        System.out.println(" " + root.getNodeName());
        System.out.println("Here are its child elements: ");
        NodeList childNodes = root.getChildNodes();
        Node currentNode;

        for (int i = 0; i < childNodes.getLength(); i++) {
            currentNode = childNodes.item(i);
            System.out.println(currentNode.getNodeName());
        }

        // get first child of root element
        currentNode = root.getFirstChild();

        System.out.print("The first child of root node is: ");
        System.out.println(currentNode.getNodeName());

        // get next sibling of first child
        System.out.print("whose next sibling is: ");
        currentNode = currentNode.getNextSibling();
        System.out.println(currentNode.getNodeName());

        // print value of next sibling of first child
        System.out.println("value of " + currentNode.getNodeName() + " element is: "
                + currentNode.getFirstChild().getNodeValue());

        // print name of parent of next sibling of first child
        System.out.print("Parent node of " + currentNode.getNodeName() + " is: "
                + currentNode.getParentNode().getNodeName());
    }
    // handle exception creating DocumentBuilder
    catch (ParserConfigurationException parserError) {
        System.err.println("Parser Configuration Error");
        parserError.printStackTrace();
    }

    // handle exception reading data from file
    catch (IOException fileException) {
        System.err.println("File IO Error");
        fileException.printStackTrace();
    }

    // handle exception parsing XML document
    catch (SAXException parseException) {
        System.err.println("Error Parsing Document");
        parseException.printStackTrace();
    }
}

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())));

    Element purchaseOrder = document.getDocumentElement();
    printElement(purchaseOrder, "");
}

From source file:Main.java

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

    System.out.println(hasAttribute(doc.getDocumentElement(), "value"));

    System.out.println(documentToString(doc));

}

From source file:Main.java

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

    System.out.println(getAttributeValue(doc.getDocumentElement(), "attr"));

    System.out.println(documentToString(doc));

}

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_ELEMENT,
            null, true);//from ww w.  ja v a2s  .  c  om

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