/** @return the first child element matching the given name and namespace URI, or null */
public Element getFirstChildElement(String localName, String nsUri) {
for (int i = 0; i < getChildCount(); ++i) {
Node child = getChild(i);
if (child instanceof Element) {
Element element = (Element) child;
if (areEqual(element.getLocalName(), localName)
&& areEqual(element.getNamespaceURI(), nsUri)) {
return element;
}
}
}
return null;
}
/** @return an unmodifiable list of child elements matching the given name and namespace URI */
public List<Element> getChildElements(String localName, String nsUri) {
List<Element> elements = newArrayList();
for (int i = 0; i < getChildCount(); ++i) {
Node child = getChild(i);
if (child instanceof Element) {
Element element = (Element) child;
if (areEqual(element.getLocalName(), localName)
&& areEqual(element.getNamespaceURI(), nsUri)) {
elements.add(element);
}
}
}
return unmodifiableList(elements);
}