/**
* This will recursively invoke all of the callbacks for a particular element.
*
* @param element <code>Element</code> used in callbacks.
* @param namespaces <code>List</code> stack of Namespaces in scope.
*/
private void element(Element element, NamespaceStack stack) throws JDOMException {
AttributesImpl nsAtts = null; // The namespaces as xmlns attributes
// contentHandler.startPrefixMapping()
stack.push(element);
try {
for (Namespace ns : stack.addedForward()) {
startPrefixMapping(ns);
nsAtts = this.addNsAttribute(nsAtts, ns);
}
// contentHandler.startElement()
startElement(element, nsAtts);
// handle content in the element
elementContent(element.getContent(), stack);
// update locator
if (locator != null) {
locator.setNode(element);
}
// contentHandler.endElement()
endElement(element);
} finally {
stack.pop();
}
// contentHandler.endPrefixMapping()
// de-map in reverse order to the mapping.
for (Namespace ns : stack.addedReverse()) {
endPrefixMapping(ns);
}
}
/**
* This will invoke the <code>endPrefixMapping</code> callback in the <code>ContentHandler</code>
* when a namespace is goes out of scope in the <code>Document</code>.
*
* @param namespaces <code>List</code> stack of Namespaces in scope.
* @param previouslyDeclaredNamespaces number of previously declared namespaces
*/
private void endPrefixMapping(NamespaceStack namespaces, int previouslyDeclaredNamespaces)
throws JDOMException {
while (namespaces.size() > previouslyDeclaredNamespaces) {
String prefix = namespaces.pop();
try {
contentHandler.endPrefixMapping(prefix);
} catch (SAXException se) {
throw new JDOMException("Exception in endPrefixMapping", se);
}
}
}