Java Utililty Methods XML QName

List of utility methods to do XML QName

  1. HOME
  2. Java
  3. X
  4. XML QName

Description

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

Method

QNameconvertToQName(String source, String nameSpaceuri)
Code from Axis1 code base 
source = source.trim();
int colon = source.lastIndexOf(":");
String localPart = colon < 0 ? source : source.substring(colon + 1);
String perfix = colon <= 0 ? "" : source.substring(0, colon);
return new QName(nameSpaceuri, localPart, perfix);
QNamecopyQName(QName inName)
copy Q Name 
if (inName == null) {
    return null;
return new QName(inName.getNamespaceURI(), inName.getLocalPart());
QNamecrackQName(String qName)
Cracks a combined QName of the form URL:localname 
String ns;
String name;
int index = qName.lastIndexOf(':');
if (index >= 0) {
    ns = qName.substring(0, index);
    name = qName.substring(index + 1);
} else {
    ns = "";
...
CollectioncreateCollection(QName... qnames)
create Collection 
return Arrays.asList(qnames);
JAXBElementcreateRootElement(T value, QName q_name, Class elementClass)
create Root Element 
return new JAXBElement<>(q_name, elementClass, null, value);
Objectextract(final List anyList, final Class classType, final QName eltName)
extract 
for (final Object any : anyList) {
    if (any instanceof JAXBElement) {
        final JAXBElement elt = (JAXBElement) any;
        if ((classType != null && classType.equals(elt.getDeclaredType()))
                && (eltName != null && eltName.equals(elt.getName()))) {
            return elt.getValue();
return null;
ListfindAllElements(Element root, QName name, boolean local)
find All Elements 
List<Node> list = new ArrayList<Node>();
if (matchNode(root, name, local))
    list.add(root);
for (Node child = root.getFirstChild(); child != null; child = child.getNextSibling()) {
    if (child.getNodeType() != Node.ELEMENT_NODE)
        continue;
    list.addAll(findAllElements((Element) child, name, local));
return list;
ElementfindElement(QName elementName, List content)
find Element 
for (Object o : content) {
    if (o instanceof Element) {
        Element u = (Element) o;
        QName n = new QName(u.getNamespaceURI(), u.getLocalName());
        if (n.equals(elementName)) {
            return u;
return null;
ElementfindElementRecursive(Element element, QName elementQName)
find Element Recursive 
if (elementQName.equals(getQName(element))) {
    return element;
for (Element subElement : listChildElements(element)) {
    Element foundElement = findElementRecursive(subElement, elementQName);
    if (foundElement != null) {
        return foundElement;
return null;
NodefindNode(Node node, QName name)
Find a Node with a given QName 
if (name.getNamespaceURI().equals(node.getNamespaceURI())
        && name.getLocalPart().equals(node.getLocalName()))
    return node;
NodeList children = node.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
    Node ret = findNode(children.item(i), name);
    if (ret != null)
        return ret;
...