Example usage for org.w3c.dom Element getElementsByTagName

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 List<Element> getElementsByTagName(Element element, String name) {

    List<Element> elements = new LinkedList<Element>();
    NodeList nodeList = element.getElementsByTagName(name);

    for (int i = 0; i < nodeList.getLength(); i++) {
        elements.add((Element) nodeList.item(i));
    }/*from  w w w  .j  a  v  a2s.c o  m*/

    return elements;
}

From source file:Utils.java

public static Element findElementAndSetElseCreateAndSet(Document document, Element parent, String child,
        String value) {//w ww  . j ava  2  s  .co  m
    NodeList nl = parent.getElementsByTagName(child);
    if (nl.getLength() == 0) {
        parent.appendChild(document.createElement(child));
    }
    Element ret = (Element) parent.getElementsByTagName(child).item(0);
    if (ret.getFirstChild() != null) {
        ret.removeChild(ret.getFirstChild());
    }
    ret.appendChild(document.createTextNode(value));
    return ret;
}

From source file:Main.java

/**
 * This method extracts the list of elements from the @param element that contains the @param tagName.
 *
 * @param tagName the tag name used to get the list of elements
 * @param element the dom element to look for the tags with the given name
 * @return list of elements that have the @param tagName
 *//*  ww  w  .ja  v  a  2 s  .  co m*/
public static List<Element> getElementsByTagName(String tagName, Element element) {
    List<Element> elements = new ArrayList<>();

    NodeList nodeList = element.getElementsByTagName(tagName);

    if (nodeList != null && nodeList.getLength() > 0) {

        for (int index = 0; index < nodeList.getLength(); index++) {
            Node currentNode = nodeList.item(index);

            if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
                elements.add((Element) currentNode);
            }
        }
    }
    return elements;
}

From source file:Main.java

public static List<Element> getChildElements(Element parent, Enum<?> child) {
    final String elName = getXmlName(child);
    final NodeList list = parent.getElementsByTagName(elName);
    final List<Element> children = new ArrayList<Element>(list.getLength());
    for (int i = 0; i < list.getLength(); i++) {
        final Element elChild = (Element) list.item(i);
        children.add(elChild);//from  w ww.  j a  va2s.c  o  m
    }
    return children;
}

From source file:Main.java

/**
 * Return an iterator for the subelements.
 * @return java.util.Iterator/*from  w  w  w  .  j  a v  a 2  s.  c om*/
 * @param element org.w3c.dom.Element
 * @param name java.lang.String
 */
public static Iterator getNodeIterator(Element element, String name) {
    List<Node> list = new ArrayList<Node>();
    NodeList nodeList = element.getElementsByTagName(name);

    int length = nodeList.getLength();
    for (int i = 0; i < length; i++)
        list.add(nodeList.item(i));

    return list.iterator();
}

From source file:Main.java

public static Element getChildByTagName(Element e, String tagname) {
    if (e == null) {
        return null;
    }/*from   ww  w  .ja va 2  s. c om*/

    NodeList children = e.getElementsByTagName(tagname);

    if ((children == null) || (children.getLength() == 0)) {
        return (null);
    }

    return ((Element) children.item(0));
}

From source file:Main.java

public static ArrayList<Element> getElements(String elementName, Element element) {
    ArrayList<Element> result = new ArrayList<Element>();
    NodeList list = element.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 w w.j  a v  a 2  s  . c o  m*/
    }
    return result;
}

From source file:Main.java

/** @param text <code>null</code> removes 'subElement' completely */
public static Text setTextField(Element node, String subElement, String text) {
    NodeList nl = node.getElementsByTagName(subElement);
    if (nl == null || nl.getLength() == 0) {
        if (text == null)
            return null;
        Document d = node.getOwnerDocument();
        Element e = d.createElement(subElement);
        Text ans = d.createTextNode(text);
        e.appendChild(ans);/*w w  w. j  a  v  a  2s .  c  om*/
        node.appendChild(e);
        return ans;
    } else if (text != null) {
        return setText(nl.item(0), text);
    } else {
        node.removeChild(nl.item(0));
        return null;
    }
}

From source file:Main.java

public static Element getChildElement(Element parent, String childTagName) {

    Element el = null;/*from w  ww .  j a  v  a 2  s .c om*/

    NodeList nl = parent.getElementsByTagName(childTagName);

    if (nl != null && nl.getLength() > 0) {
        el = (Element) nl.item(0);
    }

    return el;

}

From source file:Main.java

public static void addParameter(Document outDoc, Element succFail, String name, String value) {
    //System.out.println("value:" + value);
    Element parameters = (Element) succFail.getElementsByTagName("parameters").item(0);
    Element parameter = outDoc.createElement(name);
    parameter.setAttribute("value", value);
    parameters.appendChild(parameter);//from w  ww  .  j a  v a  2  s .c o  m
}