/** Create a new Namespace context. */
Context2(Context2 parent) {
if (parent == null) {
prefixTable = new Hashtable();
uriTable = new Hashtable();
elementNameTable = null;
attributeNameTable = null;
} else setParent(parent);
}
/**
* Start a new Namespace context.
*
* <p>Normally, you should push a new context at the beginning of each XML element: the new
* context will automatically inherit the declarations of its parent context, but it will also
* keep track of which declarations were made within this context.
*
* <p>The Namespace support object always starts with a base context already in force: in this
* context, only the "xml" prefix is declared.
*
* @see #popContext
*/
public void pushContext() {
// JJK: Context has a parent pointer.
// That means we don't need a stack to pop.
// We may want to retain for reuse, but that can be done via
// a child pointer.
Context2 parentContext = currentContext;
currentContext = parentContext.getChild();
if (currentContext == null) {
currentContext = new Context2(parentContext);
} else {
// JJK: This will wipe out any leftover data
// if we're reusing a previously allocated Context.
currentContext.setParent(parentContext);
}
}