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

/**
 * Method to change update date in xml files - used for reloadable issue and auto change on start up.
 * /*w ww. ja v  a  2s . co m*/
 * @param target document
 * @return updated document
 * @throws ParseException
 */
private static Document changeDate(Document target) throws ParseException {
    NodeList parents = target.getElementsByTagName("g:options");
    Element parent = (Element) parents.item(0); //g:options - only 1 element
    DateFormat format = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.ENGLISH);
    Date newT = new Date();
    String time = format.format(newT);
    parent.setAttribute("time", time);
    return target;
}

From source file:Main.java

public static void removeHandset(String file, String name) throws Exception {
    DocumentBuilderFactory domfac = DocumentBuilderFactory.newInstance();
    DocumentBuilder dombuilder = domfac.newDocumentBuilder();
    FileInputStream is = new FileInputStream(file);

    Document doc = dombuilder.parse(is);
    NodeList devices = doc.getElementsByTagName("devices");
    NodeList nodeList = doc.getElementsByTagName("device");
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node deviceNode = nodeList.item(i);
        if (deviceNode.getTextContent().equals(name)) {
            devices.item(0).removeChild(deviceNode);
        }// ww w .j  a v  a 2  s  .  co  m
    }

    //save
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer t = tf.newTransformer();
    Properties props = t.getOutputProperties();
    props.setProperty(OutputKeys.ENCODING, "GB2312");
    t.setOutputProperties(props);
    DOMSource dom = new DOMSource(doc);
    StreamResult sr = new StreamResult(file);
    t.transform(dom, sr);
}

From source file:Main.java

/**
 * Add XML IDs to a Document. This method is one of the hearts of the xseq
 * system. It runs through a DOM Document tree, and for each element found
 * adds (updates) an ID attribute called "id".
 * /*from  w ww . java 2  s. co  m*/
 * <P>
 * For now the value is a simple sequence.
 * 
 * @param doc
 *            The DOM Document to which IDs are added
 */
public static void addIDs(Document doc) {
    // * means all elements
    NodeList nodelist = doc.getElementsByTagName("*");

    // does this need to be thread protected?

    for (int i = 0; i < nodelist.getLength(); i++) {
        Element element = (Element) nodelist.item(i);

        element.setAttribute("id", "n" + i);
    }
}

From source file:Main.java

public static List<Map<String, String>> readXMLFile(String outFile) {
    DocumentBuilderFactory domfac = DocumentBuilderFactory.newInstance();
    List<Map<String, String>> returnlist = new ArrayList<Map<String, String>>();

    try {//from www .ja  v a  2s.com
        DocumentBuilder dombuilder = domfac.newDocumentBuilder();
        InputStream is = new FileInputStream(outFile);
        Document doc = dombuilder.parse(is);
        NodeList nl = doc.getElementsByTagName("row");
        for (int i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            NodeList fileds = node.getChildNodes();
            Map<String, String> map = new HashMap<String, String>();
            for (int j = 0; j < fileds.getLength(); j++) {
                Node filed = fileds.item(j);

                if (filed.getNodeType() == Node.ELEMENT_NODE) {
                    map.put(filed.getAttributes().getNamedItem("name").getNodeValue(),
                            filed.getFirstChild().getNodeValue());
                }
            }
            returnlist.add(map);
        }

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

}

From source file:Main.java

public static String getContent(Document doc, String tagName) {
    //http://www.mkyong.com/java/how-to-read-xml-file-in-java-dom-parser/
    return doc.getElementsByTagName(tagName).item(0).getTextContent();
}

From source file:Main.java

public static String getDefaultNamespaceUri(URL xmlResource, String rootElementName)
        throws IOException, ParserConfigurationException, SAXException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(false);/*  w  w w  . j  av  a  2  s  .  co m*/
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(xmlResource.openStream());
    NodeList nodes = document.getElementsByTagName(rootElementName);
    if (nodes == null || nodes.getLength() == 0) {
        throw new IllegalArgumentException("Root element \"" + rootElementName + "\" not found in xml \""
                + xmlResource.toExternalForm() + "\".");
    }
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        Node xmlns = node.getAttributes().getNamedItem("xmlns");
        if (xmlns != null) {
            String value = xmlns.getNodeValue();
            return value.substring(value.indexOf("=") + 1);
        }
    }
    return null;
}

From source file:Main.java

public static Object getBean(String filePath) {
    try {//from  ww w .j a  v  a 2  s  .co m
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document doc;
        doc = builder.parse(new File(filePath));

        NodeList nl = doc.getElementsByTagName("className");
        Node classNode = nl.item(0).getFirstChild();
        String cName = classNode.getNodeValue();
        System.out.println(cName);
        Class c = Class.forName(cName);
        Object obj = c.newInstance();
        return obj;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:hoot.services.controllers.osm.ChangesetUploadXmlValidator.java

/**
 * Determines whether a changeset DOM has any elements in it. (Strangely, I
 * couldn't figure out how to do this correctly with XPath).
 * //ww  w .j  ava2 s .  c o  m
 * @param changesetDiffDoc
 *            the changeset to check for elements
 * @return true if the changeset has elements; false otherwise
 */
private static boolean changesetHasElements(Document changesetDiffDoc) {
    return (changesetDiffDoc.getElementsByTagName("node").getLength()
            + changesetDiffDoc.getElementsByTagName("way").getLength()
            + changesetDiffDoc.getElementsByTagName("relation").getLength()) > 0;
}

From source file:Main.java

/**
 * Returns a list of all the tags in an XML document
 * /*ww w .java2  s .  com*/
 * @param doc
 * @return list of all tags
 */
public static List<String> getAllTags(Document doc) {
    List<String> tags = new ArrayList<String>();
    NodeList ns = doc.getElementsByTagName("*");
    for (int i = 0; i < ns.getLength(); i++) {
        Element element = (Element) ns.item(i);
        tags.add(element.getTagName());
    }
    return tags;
}

From source file:Main.java

public static ArrayList<Element> getElements(String elementName, Document doc) {
    ArrayList<Element> result = new ArrayList<Element>();
    NodeList list = doc.getElementsByTagName(elementName);

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

        if (nNode.getNodeType() == Node.ELEMENT_NODE) {
            result.add((Element) nNode);
        }/*w ww.  java  2  s .  c om*/
    }
    return result;
}