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 boolean validateUserXML(Document doc) {
    NodeList nodeList = null;/*from   w w  w .  j a  v  a  2s  .com*/

    // Check the elements and values exist
    nodeList = doc.getElementsByTagName("user");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that email element exists
    nodeList = doc.getElementsByTagName("username");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that value is not null or empty
    String username = getValue((Element) doc.getElementsByTagName("user").item(0), "username");
    if (username == null || username.isEmpty()) {
        return false;
    }

    // Check that email element exists
    nodeList = doc.getElementsByTagName("password");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that value is not null or empty
    String password = getValue((Element) doc.getElementsByTagName("user").item(0), "password");
    if (password == null || password.isEmpty()) {
        return false;
    }

    return true;
}

From source file:Main.java

public static Element getRoot(Document document, String root) {
    if (document == null)
        throw new IllegalArgumentException("Null document");

    NodeList nodeList = document.getElementsByTagName(root);
    return nodeList.item(0) != null ? (Element) nodeList.item(0) : null;
}

From source file:Main.java

public static Node getElementByTagName(Document document, String tagName) {
    if (document == null || tagName == null) {
        return null;
    }/*from w ww .  j  a v a2  s .  c  o  m*/

    NodeList nodes = document.getElementsByTagName(tagName);
    if (nodes == null || nodes.getLength() < 1) {
        return null;
    }
    return nodes.item(0);
}

From source file:Main.java

public static List<Map<String, String>> ReadPlaylistItemsFromFile(String path, String filename) {

    List<Map<String, String>> results = new ArrayList<Map<String, String>>();

    try {/*ww  w.j a va 2s.  c o  m*/
        File fXmlFile = new File(path, filename);
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(fXmlFile);
        doc.getDocumentElement().normalize();

        NodeList songList = doc.getElementsByTagName("song");
        Log.d("ReadItemsFromFile", "List Length: " + songList.getLength());

        for (int i = 0; i < songList.getLength(); i++) {

            Node nNode = songList.item(i);
            if (nNode.getNodeType() == Node.ELEMENT_NODE) {
                Element eElement = (Element) nNode;

                HashMap<String, String> mapElement = new HashMap<String, String>();

                mapElement.put("name", eElement.getElementsByTagName("name").item(0).getTextContent());
                mapElement.put("artist", eElement.getElementsByTagName("artist").item(0).getTextContent());
                mapElement.put("startTime",
                        eElement.getElementsByTagName("startTime").item(0).getTextContent());
                mapElement.put("url", eElement.getElementsByTagName("url").item(0).getTextContent());

                results.add(mapElement);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
    return results;

}

From source file:Main.java

public static Map<String, Element> getMBeanAttributes(Document document, String mbeanCode) {
    Map<String, Element> attrs = new HashMap<String, Element>();

    NodeList nlist = document.getElementsByTagName("mbean");

    Element beanNode = null;//from ww  w  .  j a v  a 2 s.co m

    for (int i = 0; i < nlist.getLength(); i++) {
        Element elem = (Element) nlist.item(i);
        String attr = elem.getAttribute("code");
        if (mbeanCode.equals(attr)) {
            beanNode = elem;
            break;
        }
    }

    if (beanNode != null) {
        nlist = beanNode.getElementsByTagName("attribute");
        for (int i = 0; i < nlist.getLength(); i++) {
            Element attrElem = (Element) nlist.item(i);
            String attrName = attrElem.getAttribute("name");

            attrs.put(attrName, attrElem);
        }
    }

    return attrs;
}

From source file:Main.java

private static String getXmlString(Document document, String tagName)
        throws ParserConfigurationException, SAXException, IOException, TransformerException {
    NodeList nodeList = document.getElementsByTagName(tagName);
    if (nodeList.getLength() < 1) {
        throw new IllegalArgumentException("no " + tagName + " found");
    }/*from  w  w w .j  a  va2  s  . c  o  m*/
    Node sub = nodeList.item(0);
    DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document subdoc = db.newDocument();
    subdoc.appendChild(sub.cloneNode(true));

    TransformerFactory transFactory = TransformerFactory.newInstance();
    Transformer transformer = transFactory.newTransformer();
    DOMSource domSource = new DOMSource(subdoc);
    StringWriter sw = new StringWriter();
    StreamResult xmlResult = new StreamResult(sw);
    transformer.transform(domSource, xmlResult);
    sw.flush();
    return sw.toString();
}

From source file:Main.java

public static Element getRoot(Document document, String root) {
    if (document == null) {
        throw new IllegalArgumentException("Null document");
    }//from w  w w  .  j  a v a 2 s .  c  om

    NodeList nodeList = document.getElementsByTagName(root);
    return nodeList.item(0) != null ? (Element) nodeList.item(0) : null;
}

From source file:org.pdfsam.ui.news.NewsStage.java

static void wrapHrefToOpenNative(Document document) {
    // TODO find a better way
    NodeList nodeList = document.getElementsByTagName("a");
    for (int i = 0; i < nodeList.getLength(); i++) {
        EventTarget eventTarget = (EventTarget) nodeList.item(i);
        eventTarget.addEventListener("click", e -> {
            HTMLAnchorElement anchorElement = (HTMLAnchorElement) e.getCurrentTarget();
            eventStudio().broadcast(new OpenUrlRequest(anchorElement.getHref()));
            e.preventDefault();/* w ww .j a  va2 s.  com*/
        }, false);
    }
}

From source file:Main.java

private static boolean validateMessageXML(Document doc, String xml) {
    NodeList nodeList = null;// w  w  w. j  a  v a2 s.  c  o  m

    // Check the elements and values exist
    nodeList = doc.getElementsByTagName("message");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that email element exists
    nodeList = doc.getElementsByTagName("content");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that value is not null or empty
    String content = getValue((Element) doc.getElementsByTagName("message").item(0), "content");
    if (content == null || content.isEmpty()) {
        return false;
    }

    // Validate that user is part of the message XML
    return validateUserXML(doc);
}

From source file:Main.java

public static Document appendChildWithAttribute(Document doc, String nodeName, String parentNodeName,
        String attrName, String attrValue) {
    Element node = doc.createElement(nodeName);
    node.setAttribute(attrName, attrValue);
    doc.getElementsByTagName(parentNodeName).item(0).appendChild(node);
    return doc;/* w w w  .  ja v  a 2  s .  c om*/
}