Example usage for org.w3c.dom Document getFirstChild

Introduction

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

Prototype

public Node getFirstChild();

Source Link

Document

The first child of this node.

Usage

From source file:Main.java

public static void main(final String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);/*from  w  w  w  .  j av  a2s .c  o  m*/
    DocumentBuilder builder = factory.newDocumentBuilder();

    Document doc = builder.parse(new ByteArrayInputStream(( //
    "<?xml version=\"1.0\"?>" + //
            "<people>" + //
            "<person><name>First Person Name</name></person>" + //
            "<person><name>Second Person Name</name></person>" + //
            "</people>" //
    ).getBytes()));

    String fragment = "<name>Changed Name</name>";
    Document fragmentDoc = builder.parse(new ByteArrayInputStream(fragment.getBytes()));

    Node injectedNode = doc.adoptNode(fragmentDoc.getFirstChild());

    XPath xPath = XPathFactory.newInstance().newXPath();
    XPathExpression expr = xPath.compile("//people/person[2]/name");
    Element nodeFound = (Element) expr.evaluate(doc, XPathConstants.NODE);

    Node parentNode = nodeFound.getParentNode();
    parentNode.removeChild(nodeFound);
    parentNode.appendChild(injectedNode);

    DOMSource domSource = new DOMSource(doc);
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    StreamResult result = new StreamResult(new StringWriter());
    transformer.transform(domSource, result);
    System.out.println(result.getWriter().toString());
}

From source file:Main.java

static public void main(String[] arg) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.parse("foo.xml");

    TransformerFactory tranFactory = TransformerFactory.newInstance();
    Transformer aTransformer = tranFactory.newTransformer();

    NodeList list = doc.getFirstChild().getChildNodes();

    for (int i = 0; i < list.getLength(); i++) {
        Node element = list.item(i).cloneNode(true);

        if (element.hasChildNodes()) {
            Source src = new DOMSource(element);
            FileOutputStream fs = new FileOutputStream("k" + i + ".xml");
            Result dest = new StreamResult(fs);
            aTransformer.transform(src, dest);
            fs.close();/*w ww  .j ava 2s .c o m*/
        }
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    Document doc = factory.newDocumentBuilder().parse(new File("Sample.xml"));
    XPathFactory xFactory = XPathFactory.newInstance();
    XPath xPath = xFactory.newXPath();
    XPathExpression exp = xPath.compile(
            "/article/body/section/region[contains(translate(text(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'perfect')]");
    NodeList nl = (NodeList) exp.evaluate(doc.getFirstChild(), XPathConstants.NODESET);
    for (int index = 0; index < nl.getLength(); index++) {
        Node node = nl.item(index);
        System.out.println(node.getTextContent());
    }/*from   w ww.j  ava  2s  .c  o m*/
}

From source file:Main.java

public static Element getRootElement(Document doc) {
    Node node = doc.getFirstChild();
    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE)
            return (Element) node;
        node = node.getNextSibling();//from   w  w  w.  j a v  a2s.  com
    }
    return null;
}

From source file:Main.java

public static Node parseXMLSnippet(String s) throws ParserConfigurationException, SAXException, IOException {
    Document doc = parseXML(s);
    return doc.getFirstChild();
}

From source file:Main.java

public static int countChildNodes(String fileName) {
    Document doc = parseFile(fileName);
    return doc.getFirstChild().getChildNodes().getLength();
}

From source file:Main.java

public static void appendChildToRoot(Document doc, String childName, byte[] childContents) {
    appendChild(doc, doc.getFirstChild(), childName, new String(Base64.encodeBase64(childContents)));
}

From source file:Main.java

public static void appendChildToRoot(Document doc, String childName, String childContents) {
    appendChild(doc, doc.getFirstChild(), childName, childContents);
}

From source file:Main.java

/**
 * Creates (only if necessary) and returns the element which is at the end of the specified
 * path.//from   w  w w.  java 2 s.  com
 * 
 * @param doc
 *            the target document where the specified path should be created
 * @param path
 *            a dot separated string indicating the path to be created
 * @return the component at the end of the newly created path.
 */
public static Element createLastPathComponent(Document doc, String[] path) {
    Element parent = (Element) doc.getFirstChild();
    if (path == null || parent == null || doc == null) {
        throw new IllegalArgumentException("Document parent and path must not be null");
    }

    Element e = parent;
    for (int i = 0; i < path.length; i++) {
        Element newEl = getChildElementByTagName(e, path[i]);
        if (newEl == null) {
            newEl = doc.createElement(path[i]);
            e.appendChild(newEl);
        }
        e = newEl;
    }
    return e;
}

From source file:Main.java

public static Node asDOMNode(String xml) throws Exception {
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
    Document doc = dBuilder.parse(new ByteArrayInputStream(xml.getBytes(StandardCharsets.UTF_8)));
    return doc.getFirstChild();
}