@Override
public void startElement(String uri, String localName, String qName, Attributes attributes)
throws SAXException {
String elem = localName;
if (elem.isEmpty()) {
elem = qName;
}
elemStack.addFirst(elem);
ElementHandler contextHandler = handlerStack.getFirst();
ElementHandler elemHandler = contextHandler.getHandler(elem);
if (elemHandler == null) {
throw new IllegalStateException(
String.format(
"Context handler %s have not returned handler for elem %s",
contextHandler, elemStack));
}
handlerStack.addFirst(elemHandler);
elemHandler.startElement(attributes);
}
