Java Utililty Methods XML Element Children

List of utility methods to do XML Element Children

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Description

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

Method

StringgetSubelementString(final Element element, final String name)
Locate a sub-element tagged 'name', return its value. 
if (element == null)
    return "";
Node n = element.getFirstChild();
n = findFirstElementNode(n, name);
if (n != null) {
    Node text_node = n.getFirstChild();
    if (text_node == null)
        return "";
...
StringgetSubelementString(final Element element, final String name)
Locate a sub-element tagged 'name', return its value. 
if (element == null)
    throw new Exception("Missing '" + name + "'");
Node n = element.getFirstChild();
n = findFirstElementNode(n, name);
if (n == null)
    throw new Exception("Missing '" + name + "'");
final Node text_node = n.getFirstChild();
if (text_node == null)
...
StringgetSubelementString(final Element element, final String name, final String default_value)
Locate a sub-element tagged 'name', return its value. 
if (element == null)
    return default_value;
Node n = element.getFirstChild();
n = findFirstElementNode(n, name);
return getString(n, default_value);
String[]getSubelementStrings(final Element element, final String name)
Locate all sub-elements tagged 'name', return their values. 
ArrayList<String> values = null;
if (element != null) {
    Element n = findFirstElementNode(element.getFirstChild(), name);
    while (n != null) {
        if (values == null)
            values = new ArrayList<String>();
        values.add(n.getFirstChild().getNodeValue());
        n = findNextElementNode(n, name);
...
StringgetSubelementText(Element element, String subelementName)
Get the text value of the element's subelement 
if (element != null) {
    NodeList subelementList = element.getElementsByTagName(subelementName);
    if (subelementList != null && subelementList.getLength() > 0) {
        for (int i = 0; i < subelementList.getLength(); i++) {
            Element subElement = (Element) subelementList.item(0);
            if (subElement != null && subElement.getParentNode() == element) {
                return subElement.getNodeValue();
return null;
StringgetSubNodeText(Element modsroot, String nodename, String subnodename)
Retrieves name/subname text value. 
StringBuffer sb = new StringBuffer("");
NodeList list = modsroot.getElementsByTagName(nodename);
if (list.getLength() > 0) {
    Element node = (Element) list.item(0);
    NodeList l = node.getElementsByTagName(subnodename);
    if (l.getLength() > 0)
        sb.append(getTextValue(l.item(0)));
return sb.toString();
StringgetSubNodeValue(Element element, String name)
get Sub Node Value 
NodeList nodeList = element.getElementsByTagName(name);
return getNodeValue(nodeList.item(0)).trim();