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

public static String parsePrefValue(Document doc, String attrName) {
    NodeList nodes = doc.getElementsByTagName(TAG_PREFERENCE);
    int len = (null == nodes ? 0 : nodes.getLength());
    for (int i = 0; i < len; i++) {
        Node node = nodes.item(i);
        if (null != node) {
            String parseName = ((Element) node).getAttribute(ATTR_NAME);
            if (parseName.equals(attrName)) {
                return ((Element) node).getAttribute(ATTR_VALUE);
            }//from   ww  w.  j a v a 2  s  .  c o  m
        }
    }
    return null;
}

From source file:Main.java

public static String getBrandName() {
    try {/*from w w  w  . ja v a2 s  .  c o  m*/
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document doc = builder.parse(new File("configTV.xml"));

        NodeList nl = doc.getElementsByTagName("Name");
        Node classNode = nl.item(0).getFirstChild();
        String Name = classNode.getNodeValue().trim();
        return Name;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

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

        NodeList nl = doc.getElementsByTagName("chartType");
        Node classNode = nl.item(0).getFirstChild();
        String chartType = classNode.getNodeValue().trim();
        return chartType;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Element getElementWithKeyFromDocument(final Document document, final String key) {
    final NodeList nodeList = document.getElementsByTagName(key);
    Element result = null;//from   w ww  .jav  a 2 s . co  m
    if (nodeList.getLength() > 0) {
        result = (Element) nodeList.item(0);
    }
    return result;
}

From source file:Main.java

public static Object getBean(String className) {
    try {//w w  w .  j  a  v  a  2  s  . c  o m
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document doc = builder.parse(new File(configPath));

        NodeList nl = doc.getElementsByTagName(className);
        Node classNode = nl.item(0).getFirstChild();
        String chartType = classNode.getNodeValue().trim();

        Class c = Class.forName(chartType);
        return c.newInstance();
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

/**
 * Gets the first node with the specified tag name from the given document.
 * If there are multiple nodes with the specified tag name, the first node
 * found will be returned./*from w w w. j av  a 2 s.c  o m*/
 * 
 * @param doc
 *            the document
 * @param tagname
 *            the tag name of the node to find.
 * @return the first node found with the specified tag name or
 *         <code>null</code> if no node with that name could be found.
 */
public static Node getNode(Document doc, String tagname) {
    NodeList nl = doc.getElementsByTagName(tagname);
    if (!isEmpty(nl)) {
        return nl.item(0);
    }
    return null;
}

From source file:Main.java

/**
 * This method is used for updating the value of a tag in a
 * <code>Document</code> object.
 * /*from   w  ww  . ja  va 2 s  . c om*/
 * @param doc
 *            Document object
 * @param tagName
 *            name of the tag
 * @param tagValue
 *            the updated value of the tag
 */
public static void replaceTagValue(Document doc, String tagName, String tagValue) {
    NodeList nodeList = doc.getElementsByTagName(tagName);
    int j = nodeList.getLength();
    Node node;
    for (int i = 0; i < j; i++) {
        Node newNode = doc.createTextNode(tagValue);
        node = nodeList.item(i);
        if (node.getFirstChild() != null) {
            node.replaceChild(newNode, node.getFirstChild());
        } else {
            node.appendChild(newNode);
        }
    }
}

From source file:Main.java

/**
 * Get the value of the attribute with the given name of the first tag found with the given tag name in the given
 * document<br/>./*w w w . ja  va 2 s.c  om*/
 *
 * @param doc
 * @param tagName
 * @param attributeName
 * @return the value of the attribute with the given name of the node or the empty string, if no node with this name
 * exits in this document or the attribute does not exist
 */
public static String getTagAttributeValue(Document doc, String tagName, String attributeName) {
    NodeList tagList = doc.getElementsByTagName(tagName);
    if (tagList.getLength() > 0) {
        NamedNodeMap attributes = tagList.item(0).getAttributes();
        if (attributes != null) {
            Node attribute = attributes.getNamedItem(attributeName);
            if (attribute != null) {
                return attribute.getNodeValue().trim();
            }
        }
    }
    return "";
}

From source file:Main.java

public static String getText(Document doc, String tagName, boolean flag) {

    NodeList nodeList = doc.getElementsByTagName(tagName);
    int leng = nodeList.getLength();
    if (leng <= 0)
        return "";

    Random rnd = new Random();
    int ran = rnd.nextInt(leng);

    return nodeList.item(ran).getTextContent();
}

From source file:Main.java

/**
 * This method is used to insert a new tag below the tag specified by
 * <code>appendTo</code> parameter.
 * //ww  w .j  a va2s . com
 * @param d
 *            the <code>Document</code> object to which a new tag is to be
 *            inserted.
 * @param appendTo
 *            the tag below which a new tag needs to be inserted.
 * @param tagName
 *            the name of new tag
 * @param tagValue
 *            the value of new tag
 */
public static Element insertNewTagBelow(Document d, String appendTo, String tagName, String tagValue) {
    Node element = d.getElementsByTagName(appendTo).item(0);
    if (element == null) {
        element = d.createElement(appendTo);
    }
    Element newElement = d.createElement(tagName);
    element.appendChild(newElement);
    newElement.appendChild(d.createTextNode(tagValue));
    return newElement;
}