Java Utililty Methods XML Node Namespace

List of utility methods to do XML Node Namespace

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Description

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

Method

NodeconvertFromNamespaceForm(final Node node)
convert From Namespace Form 
if (node instanceof Element) {
    final Document document = node.getOwnerDocument();
    final Element newElement = document.createElementNS(null, node.getLocalName());
    final NodeList children = node.getChildNodes();
    for (int i = 0, n = children.getLength(); i < n; i++) {
        final Node oldChildNode = children.item(i);
        final Node newChildNode = convertFromNamespaceForm(oldChildNode);
        newElement.appendChild(newChildNode);
...
voidcopyNamespaces(Node source, Node target)
Copies namespace attributes from a source, recursing its parents, to target node. 
if (!(target instanceof Element)) {
    return;
Element targetElement = (Element) target;
Node parent = source.getParentNode();
while (parent != null) {
    copyNamespaces(parent, targetElement);
    parent = parent.getParentNode();
...
StringgetNamespace(Node node)
get Namespace 
Element root = node.getOwnerDocument().getDocumentElement();
HashMap<String, String> namespaces = getAllAttributes(root);
String prefix = getPrefix(node.getNodeName());
if (prefix == null)
    return namespaces.get("xmlns");
return namespaces.get("xmlns:" + prefix);
StringgetNamespace(Node node)
Gets the namespace of the given node. 
String name = node.getNodeName();
int colon = name.lastIndexOf(":");
return colon < 0 ? null : name.substring(0, colon);
StringgetNamespace(String prefix, Node e)
get Namespace 
return getNamespace(prefix, e, null);
MapgetNamespaceDeclarations(Node node)
Build the namespace prefix to namespace URL mapping in effect for a given node. 
Map nsDecls = new HashMap();
int i;
do {
    if (node.hasAttributes()) {
        NamedNodeMap attrs = node.getAttributes();
        for (i = 0; i < attrs.getLength(); i++) {
            Attr attr = (Attr) attrs.item(i);
            if ("xmlns".equals(attr.getPrefix()) || "xmlns".equals(attr.getName())) {
...
MapgetNamespaceMappings(Node node)
Get all the name spaces visible from this node. 
Map<String, String> namespaces = new HashMap<String, String>();
boolean firstLoop = true;
Node n = node;
while (n != null) {
    if (firstLoop && n.getNamespaceURI() != null) {
        namespaces.put("", n.getNamespaceURI());
        firstLoop = false;
    if (n.getAttributes() != null) {
        for (int i = 0; i < n.getAttributes().getLength(); i++) {
            String attrName = n.getAttributes().item(i).getNodeName();
            if (attrName.startsWith("xmlns")) { 
                String prefix = "";
                int index = attrName.indexOf(':');
                if (index != -1 && ++index < attrName.length())
                    prefix = attrName.substring(index);
                String uri = n.getAttributes().item(i).getNodeValue();
                namespaces.put(prefix, uri);
    n = n.getParentNode();
return namespaces;
voidgetNamespaces(Node node, Map list)
get Namespaces 
NamedNodeMap atts = node.getAttributes();
for (int i = 0; i < atts.getLength(); i++) {
    Node n = atts.item(i);
    if ("xmlns".equals(n.getNodeName())) {
        list.put(n.getNodeName(), n.getNodeValue());
    } else {
        if (n.getNodeName().startsWith("xmlns:")) {
            list.put(n.getNodeName().substring(6), n.getNodeValue());
...
StringgetNamespaceURI(@Nullable final Node aNode)
get Namespace URI 
if (aNode instanceof Document)
    return getNamespaceURI(((Document) aNode).getDocumentElement());
if (aNode != null)
    return aNode.getNamespaceURI();
return null;
StringgetNamespaceURI(final org.w3c.dom.Node n, final String prefix)
get Namespace URI 
final Node prefixDeclaration = n.getAttributes().getNamedItem("xmlns:" + prefix);
if (prefixDeclaration != null) {
    return prefixDeclaration.getNodeValue();
return getNamespaceURI(n.getParentNode(), prefix);