Java Utililty Methods XML First Child Element

List of utility methods to do XML First Child Element

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Description

The list of methods to do XML First Child Element are organized into topic(s).

Method

ListgetFirstLevelChildElementsByTagName(Element parent, String elementName)
Get all the first level child elements with a given tag name. 
NodeList nodeList = parent.getChildNodes();
ArrayList<Element> childList = new ArrayList<Element>(nodeList.getLength());
Node childNode = parent.getFirstChild();
while (childNode != null) {
    if (childNode.getNodeType() == Node.ELEMENT_NODE) {
        String localName = ((Element) childNode).getLocalName();
        if (localName.equals(elementName)) {
            childList.add((Element) childNode);
...
ListgetFirstLevelChildElementsByTagName(Element parent, String elementName)
get First Level Child Elements By Tag Name 
NodeList nodeList = parent.getChildNodes();
ArrayList<Element> childList = new ArrayList<Element>(nodeList.getLength());
Node childNode = parent.getFirstChild();
while (childNode != null) {
    if (childNode.getNodeType() == Node.ELEMENT_NODE) {
        String localName = ((Element) childNode).getLocalName();
        if (localName.equals(elementName)) {
            childList.add((Element) childNode);
...
StringgetFirstMatchedValueByChildTagName(Node parent, String name)
get First Matched Value By Child Tag Name 
for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) {
    if (child.getNodeType() == Node.ELEMENT_NODE) {
        if (child.getNodeName().indexOf(name) != -1) {
            return child.getTextContent();
        } else {
            String value = getFirstMatchedValueByChildTagName((Element) child, name);
            if (value != null) {
                return value;
...
ElementgetFirstMatchingDeepChildByTagName(final Element e, final String tagName)
get First Matching Deep Child By Tag Name 
NodeList matchingElements = e.getElementsByTagName(tagName);
if (matchingElements != null) {
    return (Element) matchingElements.item(0);
} else {
    return null;
NodegetFirstNamedChild(Node n, String name)
Check if the given node has a child with the specified name Return the child of the specified name, or null if not found 
NodeList children = n.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
    Node currentChild = children.item(i);
    String localName = currentChild.getNodeName();
    if (localName != null && localName.equalsIgnoreCase(name)) {
        return currentChild;
return null;
ElementgetFirstNamedChild(Node node, String name)
Get the first child element with a specified name. 
if (node == null)
    return null;
if (node instanceof Document)
    node = ((Document) node).getDocumentElement();
if (!(node instanceof Element))
    return null;
Node child = node.getFirstChild();
while (child != null) {
...
NodegetFirstNamedChildNode(Element element, String string)
get First Named Child Node 
NodeList children = element.getChildNodes();
if (children != null && children.getLength() > 0) {
    for (int i = 0; i < children.getLength(); i++) {
        Node item = children.item(i);
        if (item.getNodeName().equals(string)) {
            return item;
return null;
NodegetFirstNamedChildNode(Node root, String nodeName)
get First Named Child Node 
Node current = root.getFirstChild();
while (current != null) {
    if (current.getNodeName().equalsIgnoreCase(nodeName)) {
        return current;
    current = current.getNextSibling();
return null;
...
ElementgetFirstNontextChild(Node d)
get First Nontext Child 
Node n = d.getFirstChild();
while ((n != null) && (n.getNodeType() != Node.ELEMENT_NODE)) {
    n = n.getNextSibling();
return (Element) n;
NodegetFirstNonTextChild(Node root)
Returns the first non-text child node of the given node. 
Node resultNode = null;
NodeList nl = root.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
    if (!isTextNode(nl.item(i))) {
        resultNode = nl.item(i);
        break;
return resultNode;