Java Utililty Methods XML Element Get from Parent

List of utility methods to do XML Element Get from Parent

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Description

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

Method

StringgetNamespacePrefix(Node parentNode, String preferredPrefix, String nsUri)
Traverse a node, and parent nodes, for a namespace URI. 
Node currentNode = parentNode;
do {
    NamedNodeMap nodeMap = currentNode.getAttributes();
    for (int i = 0; nodeMap != null && i < nodeMap.getLength(); i++) {
        Node item = nodeMap.item(i);
        String itemName = item.getNodeName();
        if (itemName.startsWith("xmlns")) { 
            String uri = getTextValue(item);
...
NodegetNameToFirstNode(Node parent, String node_name)
get Name To First Node 
if (parent == null || node_name == null)
    return null;
Node[] nodes = getNameToNodeList(parent, node_name);
return node_name.length() > 0 ? nodes[0] : null;
Node[]getNameToNodeList(Node parent, String node_name)
get Name To Node List 
List<Node> nodes = new ArrayList<>();
if (parent == null || node_name == null)
    return nodes.toArray(new Node[0]);
NodeList list = parent.getChildNodes();
for (int i = 0; i < list.getLength(); i++) {
    Node node = list.item(i);
    if (node.getNodeName().equals(node_name)) {
        nodes.add(node);
...
NodegetNodeAtPosition(Node parent, int offset)
get Node At Position 
if (offset < 0) {
    return null;
} else if (offset == 0) {
    return parent.getFirstChild();
NodeList nodes = parent.getChildNodes();
int count = nodes.getLength();
if (offset < count) {
...
MapgetNodeBean(Node parent)
get Node Bean 
Map<Object, Object> rtn = new HashMap<Object, Object>();
if (parent != null) {
    Map<Object, Object> attrMap = new HashMap<Object, Object>();
    if (parent.hasAttributes()) {
        NamedNodeMap attrs = parent.getAttributes();
        for (int j = 0; j < attrs.getLength(); j++) {
            Node attr = attrs.item(j);
            attr.getNodeName();
...
NodegetNodeByLocalName(final Node parent, final String name)
Return the first node in the given node children which localName matchs the given name. 
if (name.equalsIgnoreCase(parent.getLocalName()))
    return parent;
final NodeList lst = parent.getChildNodes();
for (int i = 0, n = lst.getLength(); i < n; i++) {
    final Node child = lst.item(i);
    if (name.equalsIgnoreCase(child.getLocalName())) {
        return child;
return null;
StringgetNodeContents(Node parentNode)
get Node Contents 
StringBuilder sb = new StringBuilder();
NodeList childNodes = parentNode.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
    Node node = childNodes.item(i);
    String nodeValue = node.getNodeValue();
    if (nodeValue != null)
        sb.append(nodeValue);
return sb.toString();
StringgetNodeContents(String nodeName, Node parentNode)
get Node Contents 
String nodeContents = null;
NodeList childNodes = parentNode.getChildNodes();
int totalChildNodes = childNodes.getLength();
for (int i = 0; i < totalChildNodes; i++) {
    Node childNode = childNodes.item(i);
    nodeContents = getNodeContents(nodeName, childNode);
    if (nodeContents != null) {
        break;
...
NodeListgetNodeList(Element parent)
Get all child nodes of a parent node 
return parent.getChildNodes();
ListgetNodes(final Node parent, final String nodeName)
Scans a node and all of its children for nodes of a particular type. 
final List<Node> nodes = new ArrayList<Node>();
final NodeList children = parent.getChildNodes();
for (int i = 0; i < children.getLength(); ++i) {
    final Node child = children.item(i);
    if (child.getNodeName().equals(nodeName)) {
        nodes.add(child);
    } else {
        nodes.addAll(getNodes(child, nodeName));
...