Java Utililty Methods XML Element Get by Name

List of utility methods to do XML Element Get by Name

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Description

The list of methods to do XML Element Get by Name are organized into topic(s).

Method

ListgetElements(Element parent, String tagName)
get Elements 
List<Element> elements = new ArrayList<Element>();
NodeList nodes = parent.getElementsByTagName(tagName);
for (int i = 0; i < nodes.getLength(); i++) {
    Node node = nodes.item(i);
    if (node instanceof Element) {
        elements.add(Element.class.cast(node));
return elements;
ListgetElements(Element parent, String tagName)
Gets the descendant elements list from the parent element. 
NodeList nodes = parent.getElementsByTagName(tagName);
List<Element> elements = new ArrayList<>();
for (int i = 0; i < nodes.getLength(); i++) {
    Node node = nodes.item(i);
    if (node instanceof Element) {
        elements.add((Element) node);
return elements;
ListgetElements(Element parent, String tagName)
get Elements 
NodeList nodes = parent.getElementsByTagName(tagName);
List<Element> elements = new ArrayList();
for (int i = 0; i < nodes.getLength(); i++) {
    Node node = nodes.item(i);
    if ((node instanceof Element)) {
        elements.add((Element) node);
return elements;
Element[]getElements(Element parentElement, String nodeName)
get Elements 
NodeList list = parentElement.getElementsByTagName(nodeName);
if (list == null) {
    return new Element[0];
Element[] eles = new Element[list.getLength()];
for (int i = 0; i < list.getLength(); i++) {
    Node node = list.item(i);
    eles[i] = (Element) node;
...
ListgetElements(final Element parent, final String name)
Get all the direct children elements of an element that have a specific tag name. 
final LinkedList<Element> list = new LinkedList<Element>();
Node node = parent.getFirstChild();
while (node != null) {
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        final Element element = (Element) node;
        if (element.getTagName().equals(name)) {
            list.add(element);
    node = node.getNextSibling();
return list;
Element[]getElementsByName(Element parent, String name)
Get the node set from parent node by the specified name 
ArrayList resList = new ArrayList();
NodeList nl = getNodeList(parent);
for (int i = 0; i < nl.getLength(); i++) {
    Node nd = nl.item(i);
    if (nd.getNodeName().equals(name)) {
        resList.add(nd);
Element[] res = new Element[resList.size()];
for (int i = 0; i < resList.size(); i++) {
    res[0] = (Element) resList.get(i);
return res;
Node[]getElementsByTagName(Document doc, String tagName)
get Elements By Tag Name 
try {
    NodeList list = doc.getElementsByTagName(tagName);
    int length = list.getLength();
    if (length > 0) {
        Node[] array = new Node[length];
        for (int i = 0; i < length; i++) {
            array[i] = list.item(i);
        return array;
    return null;
} catch (Exception ex) {
    throw new RuntimeException(ex);
ListgetElementsByTagName(Element parent, String name, boolean localOnly)
get Elements By Tag Name 
List<Element> ret = new ArrayList<Element>();
if (!localOnly) {
    NodeList elementList = parent.getElementsByTagName(name);
    for (int i = 0; i < elementList.getLength(); i++) {
        ret.add((Element) elementList.item(i));
} else {
    NodeList childList = parent.getChildNodes();
...
Element[]getElementsByTagName(Element parent, String tagName)
Returns an Element array of all first level descendant Elements with a given tag name, in the order in which they are encountered in the DOM. 
NodeList allChildElements = parent.getElementsByTagName(tagName);
Vector vector = new Vector();
for (int i = 0; i < allChildElements.getLength(); i++) {
    Element aElement = (Element) allChildElements.item(i);
    if (aElement.getParentNode().equals(parent))
        vector.add(aElement);
Element[] filteredElements = new Element[vector.size()];
...
ListgetElementsByTagName(final Element parentElement, final String elementName)
Get the list of all the elements of a parent element. 
if (elementName == null || parentElement == null) {
    return null;
final NodeList nStepsList = parentElement.getElementsByTagName(elementName);
if (nStepsList == null) {
    return null;
final List<Element> result = new ArrayList<>();
...