private boolean isCorrectExtension(Element e) {
String base = e.getAttribute("base");
if (StringUtils.isNotBlank(base)) {
QualifiedName qname = qname(base);
String uri = e.lookupNamespaceURI(qname.getPrefix());
ExpandedName expName = nameFactory.newExpandedName(uri, qname.getLocalName());
return expName.equals(baseType);
}
return false;
}