if (obj instanceof XmlObjectBase) {
XmlObjectBase source = (XmlObjectBase)obj;
dom = source.newDomNode(options);
} else {
XmlTokenSource source = (XmlTokenSource)obj;
dom = source.newDomNode(options);
}
if (dom instanceof Document) {
org.w3c.dom.Element e = ((Document)dom).getDocumentElement();
StaxUtils.copy(e, output);