Example usage for org.w3c.dom Document getElementsByTagName

Introduction

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

Prototype

public NodeList getElementsByTagName(String tagname);

Source Link

Document

Returns a NodeList of all the Elements in document order with a given tag name and are contained in the document.

Usage

From source file:Main.java

private static void updateNode(String nodeName, String value) throws Exception {
    File f = new File(System.getProperty("user.dir") + "\\DBConf.xml");
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.parse(f);
    Node tempElem = doc.getElementsByTagName(nodeName).item(0);
    tempElem.getFirstChild().setNodeValue(value);
    doc.getElementsByTagName("conf").item(0).appendChild(tempElem);
    DOMSource source = new DOMSource(doc);
    StreamResult res = new StreamResult(new FileOutputStream(f));
    TransformerFactory.newInstance().newTransformer().transform(source, res);

}

From source file:Main.java

public static Object getBean() {
    try {//  w  w  w  . j  a va2  s  .  com
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document doc = builder.parse(new File("src/config.xml"));

        NodeList nl = doc.getElementsByTagName("className");
        Node node = nl.item(0).getFirstChild();
        String cName = node.getNodeValue();

        Class clazz = Class.forName(cName);
        Object obj = clazz.newInstance();
        return obj;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static List<String> parseXmlFile(String nodeName, Document file) {
    List<String> nodeTexts = new ArrayList<String>();
    NodeList nodes = file.getElementsByTagName(nodeName);
    for (int index = 0; index < nodes.getLength(); ++index) {
        Node node = nodes.item(index).getFirstChild();
        String nodeText = node.getNodeValue();
        nodeTexts.add(nodeText);//from   w  w  w.  j av  a2  s .c  om
    }
    return nodeTexts;
}

From source file:Main.java

/**
 * Returns the inner value of the named node in the given document.  The node must only exist once
 *
 * @param doc the XML document//from w w w.  j  a va  2 s .c  o  m
 * @param nodeName the name of the node
 * @return the value of the named node
 */
public static String getNodeInnerValue(final Document doc, final String nodeName) throws SAXException {
    final NodeList nodes = doc.getElementsByTagName(nodeName);
    if (nodes.getLength() != 1) {
        throw new SAXException("Could not get single node for " + nodeName);
    }
    final NodeList childNodes = nodes.item(0).getChildNodes();
    if (childNodes.getLength() != 1) {
        throw new SAXException("Could not get single child node for " + nodeName);
    }
    return childNodes.item(0).getNodeValue();
}

From source file:Main.java

public static String getFirstChildNodeAttributeValue(Document parent, String nodeName, String attributeName) {
    return parent.getElementsByTagName(nodeName).item(0).getAttributes().getNamedItem(attributeName)
            .getNodeValue();//from www.ja  va 2s. com
}

From source file:Main.java

public static void moveElement(Document fromDoc, Document toDoc, Element root, String elementName) {
    NodeList list = fromDoc.getElementsByTagName(elementName);
    if ((list != null) && (list.getLength() > 0)) {
        Element element = (Element) list.item(0);
        Node node = toDoc.importNode(element, true);
        root.appendChild(node);//from  w  ww .  j  a  v a 2  s.  c  o  m
        element.getParentNode().removeChild(element);
    }
}

From source file:Main.java

public static String getElementValueByTagName(Document doc, String parentName, String eleName) {

    NodeList nl = doc.getElementsByTagName(parentName);
    if (null == nl) {
        return null;
    }/*from ww w.  j  a  v a 2 s .c om*/
    Node item = nl.item(0);
    return getChildElementValueByTagName((Element) item, eleName);
}

From source file:Main.java

public static String getRequestID(String xml) throws ParserConfigurationException, SAXException, IOException {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(new InputSource(new StringReader(xml)));
    Node reqName = document.getElementsByTagName("request-id").item(0);
    if (reqName != null)
        return reqName.getTextContent();
    else/*w ww .  ja v a2  s .c  o m*/
        return null;
}

From source file:Main.java

public static String getRequestName(String xml) throws ParserConfigurationException, SAXException, IOException {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(new InputSource(new StringReader(xml)));
    Node reqName = document.getElementsByTagName("request-name").item(0);
    if (reqName != null)
        return reqName.getTextContent();
    else// w  w w.  j  a  va  2  s  .c  o  m
        return null;
}

From source file:Main.java

public static String getUnicastID(String xml) throws ParserConfigurationException, SAXException, IOException {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(new InputSource(new StringReader(xml)));
    Node reqName = document.getElementsByTagName("unicast-id").item(0);
    if (reqName != null)
        return reqName.getTextContent();
    else// w  ww .j  a v a  2 s.c  o  m
        return null;
}