Example usage for org.w3c.dom Element getElementsByTagName

List of usage examples for org.w3c.dom Element getElementsByTagName

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Introduction

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

Prototype

public NodeList getElementsByTagName(String name);

Source Link

Document

Returns a NodeList of all descendant Elements with a given tag name, in document order.

Usage

From source file:Main.java

public static void testx() {
    try {//from  w w  w.  j a v  a2 s  . c  om
        File fXmlFile = new File("C:\\Users\\is96092\\Desktop\\music\\Megaman2.xml");
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(fXmlFile);

        //optional, but recommended
        //read this - http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
        doc.getDocumentElement().normalize();

        System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

        NodeList nList = doc.getElementsByTagName("staff");

        System.out.println("----------------------------");

        for (int temp = 0; temp < nList.getLength(); temp++) {

            Node nNode = nList.item(temp);

            System.out.println("\nCurrent Element :" + nNode.getNodeName());

            if (nNode.getNodeType() == Node.ELEMENT_NODE) {

                Element eElement = (Element) nNode;

                System.out.println("Staff id : " + eElement.getAttribute("id"));
                System.out.println(
                        "First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent());
                System.out.println(
                        "Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent());
                System.out.println(
                        "Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent());
                System.out.println(
                        "Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent());

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

From source file:com.omertron.traileraddictapi.tools.DOMHelper.java

/**
 * Gets the string value of the tag element name passed
 *
 * @param element/*from   w  w w  . ja  va  2 s .  c o  m*/
 * @param tagName
 * @return
 */
public static String getValueFromElement(Element element, String tagName) {
    NodeList elementNodeList = element.getElementsByTagName(tagName);

    String value = "";

    if (elementNodeList != null) {
        Element tagElement = (Element) elementNodeList.item(0);
        if (tagElement != null) {
            NodeList tagNodeList = tagElement.getChildNodes();
            if (tagNodeList != null && tagNodeList.getLength() > 0) {
                value = ((Node) tagNodeList.item(0)).getNodeValue();
            }
        }
    }

    return value;
}

From source file:com.AA.Other.RSSParse.java

/**
 * Get the list of articles currently contained in the RSS feed.
 * @param isBackground if the request is being run in the background
 * @param callingContext current application context
 * @return List of articles contained in the RSS on success. 
 *         On failure returns null//from   w  w w. ja va 2  s .  c o  m
 */
public static List<Article> getArticles(boolean isBackground, Context callingContext) {
    //verify that we can use the network
    if (!isNetworkAvailable(isBackground, callingContext))
        return null;
    //try and get the document
    Document doc = getDocument();
    if (doc == null)
        return null;
    //parse into new articles
    try {
        ArrayList<Article> articles = new ArrayList<Article>();
        NodeList items = doc.getElementsByTagName("item");
        for (int i = 0; i < items.getLength(); i++) {
            //this cast _shoud_ be safe if the data is well formed
            Element el = (Element) items.item(i);
            //these also should be safe provided the data is well formed
            String title = el.getElementsByTagName("title").item(0).getFirstChild().getNodeValue();
            String date = el.getElementsByTagName("pubDate").item(0).getFirstChild().getNodeValue();
            String url = el.getElementsByTagName("link").item(0).getFirstChild().getNodeValue();
            String desc = el.getElementsByTagName("description").item(0).getFirstChild().getNodeValue();
            articles.add(new Article(desc, title, date, url));
        }
        return articles;
    } catch (Exception e) {
        //any parse errors and we'll log and fail
        Log.e("AARSS", "Error Parsing RSS", e);
        return null;
    }

}

From source file:Main.java

public static void ReadXMLFile()

{

    try {/*  w ww .  j  av  a 2s.  co  m*/

        File fXmlFile = new File("D:\\FAR_Documents\\__Startamap\\Home.xml");
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(fXmlFile);

        //optional, but recommended
        //read this - http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
        doc.getDocumentElement().normalize();

        System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

        NodeList nList = doc.getElementsByTagName("staff");

        System.out.println("----------------------------");

        for (int temp = 0; temp < nList.getLength(); temp++) {

            Node nNode = nList.item(temp);

            System.out.println("\nCurrent Element :" + nNode.getNodeName());

            if (nNode.getNodeType() == Node.ELEMENT_NODE) {

                Element eElement = (Element) nNode;

                System.out.println("Staff id : " + eElement.getAttribute("id"));
                System.out.println(
                        "First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent());
                System.out.println(
                        "Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent());
                System.out.println(
                        "Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent());
                System.out.println(
                        "Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent());

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

From source file:Main.java

/**
 * Get the list of all the elements of a parent element.
 * @param parentElement the parent element
 * @param elementName the name of the element
 * @return the list of the elements/*from www.j a  v a  2s.  c  om*/
 */
public static List<Element> getElementsByTagName(final Element parentElement, final String elementName) {

    if (elementName == null || parentElement == null) {
        return null;
    }

    final NodeList nStepsList = parentElement.getElementsByTagName(elementName);
    if (nStepsList == null) {
        return null;
    }

    final List<Element> result = new ArrayList<>();

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

        final Node node = nStepsList.item(i);

        if (node.getNodeType() == Node.ELEMENT_NODE) {
            result.add((Element) node);
        }
    }

    return result;
}

From source file:fr.aliasource.webmail.server.proxy.client.http.DOMUtils.java

/**
 * Renvoie sous la forme d'un tableau la valeur des attributs donns pour
 * toutes les occurences d'un lment donne dans le dom
 * /*from   w ww.  ja  va2s.co m*/
 * <code>
 *  <toto>
 *   <titi id="a" val="ba"/>
 *   <titi id="b" val="bb"/>
 *  </toto>
 * </code>
 * 
 * et getAttributes(&lt;toto&gt;, "titi", { "id", "val" }) renvoie { { "a",
 * "ba" } { "b", "bb" } }
 * 
 * @param root
 * @param elementName
 * @param wantedAttributes
 * @return
 */
public static String[][] getAttributes(Element root, String elementName, String[] wantedAttributes) {
    NodeList list = root.getElementsByTagName(elementName);
    String[][] ret = new String[list.getLength()][wantedAttributes.length];
    for (int i = 0; i < list.getLength(); i++) {
        Element elem = (Element) list.item(i);
        for (int j = 0; j < wantedAttributes.length; j++) {
            ret[i][j] = elem.getAttribute(wantedAttributes[j]);
        }
    }
    return ret;
}

From source file:com.microsoft.tfs.core.clients.build.internal.utils.XamlHelper.java

public static String updateProperties(final String originalXaml, final Properties properties) {
    final ArrayList keys = new ArrayList(properties.keySet());

    final Document document = DOMCreateUtils.parseString(originalXaml);
    final Element root = document.getDocumentElement();

    // first update any properties that we already have
    final NodeList nodes = root.getElementsByTagName("x:String"); //$NON-NLS-1$
    for (int i = 0; i < nodes.getLength(); i++) {
        final Element element = (Element) nodes.item(i);
        final String key = element.getAttribute("x:Key"); //$NON-NLS-1$
        element.getFirstChild().getNodeValue();

        if (properties.containsKey(key)) {
            keys.remove(key);//from w  ww.j a  va 2 s.com
            element.getFirstChild().setNodeValue(properties.getProperty(key));
        }
    }

    // now add any new properties to the xaml
    for (final Iterator it = keys.iterator(); it.hasNext();) {
        final String key = (String) it.next();
        final Element element = DOMUtils.appendChild(root, "x:String"); //$NON-NLS-1$
        element.setAttributeNS(XAML_NAMESPACE, "x:Key", key); //$NON-NLS-1$
        element.setAttributeNS(XML_NAMESPACE, "xml:space", "preserve"); //$NON-NLS-1$ //$NON-NLS-2$
        DOMUtils.appendText(element, properties.getProperty(key));
    }

    return DOMSerializeUtils.toString(root, DOMSerializeUtils.INDENT).trim();
}

From source file:Main.java

public static Element findNode(Element parentNode, String nodeName) {
    if (parentNode == null)
        throw new NullPointerException("Parent Node cannot be null!");
    if (nodeName == null)
        throw new NullPointerException("Nodename cannot be null!");
    NodeList nodes = parentNode.getElementsByTagName(nodeName);
    if (nodes == null || nodes.getLength() == 0)
        return null;
    if (nodes.getLength() > 1)
        throw new RuntimeException(nodes.getLength() + " nodes found where only 1 was expected");
    return (Element) nodes.item(0);
}

From source file:fr.ece.epp.tools.Utils.java

public static void updateProduct(String path, String[] feature, boolean outOrno) {
    Document document = null;//from w w  w.  j a v a  2  s  . c om
    try {
        document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(path);
        Element root = document.getDocumentElement();
        Node features = root.getElementsByTagName("features").item(0);
        Element basefeature = document.createElement("feature");
        basefeature.setAttribute("id", "org.eclipse.platform");
        features.appendChild(basefeature);
        for (int i = 0; i < feature.length; i++) {
            if (feature[i] != null && feature[i].trim().length() > 0) {
                Element fea = document.createElement("feature");
                if (feature[i].endsWith(".feature.group")) {
                    int count = feature[i].length() - ".featyre.group".length();
                    String id = feature[i].substring(0, count);
                    fea.setAttribute("id", id);
                } else {
                    fea.setAttribute("id", feature[i]);
                }
                features.appendChild(fea);
            }
        }
        output(root, path);
        if (outOrno) {
            output(root, null);
        }

    } catch (SAXException e) {
    } catch (IOException e) {
    } catch (ParserConfigurationException e) {
    }
}

From source file:com.microsoftopentechnologies.windowsazurestorage.helper.CredentialMigration.java

protected static List<StorageAccountInfo> getOldStorageConfig(File inputFile)
        throws SAXException, IOException, ParserConfigurationException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();

    // Load the legacy storage config XML document, parse it and return a list of storage accounts
    Document document = builder.parse(inputFile);

    List<StorageAccountInfo> storages = new ArrayList<StorageAccountInfo>();

    NodeList nodeList = document/*from   www  .  ja  va  2 s . co m*/
            .getElementsByTagName("com.microsoftopentechnologies.windowsazurestorage.beans.StorageAccountInfo");
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node node = nodeList.item(i);

        if (node.getNodeType() == Node.ELEMENT_NODE) {
            Element elem = (Element) node;

            // Get the value of all sub-elements.
            String accName = elem.getElementsByTagName("storageAccName").item(0).getChildNodes().item(0)
                    .getNodeValue();

            String accKey = elem.getElementsByTagName("storageAccountKey").item(0).getChildNodes().item(0)
                    .getNodeValue();

            String blobURL = elem.getElementsByTagName("blobEndPointURL").item(0).getChildNodes().item(0)
                    .getNodeValue();

            storages.add(new StorageAccountInfo(accName, accKey, blobURL));
        }
    }

    return storages;

}