* @see org.xml.sax.ContentHandler#startElement(java.lang.String,
* java.lang.String, java.lang.String, org.xml.sax.Attributes)
*/
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
TagHandler th = (TagHandler) handlers.get(localName);
if (th == null)
throw new SAXException("Don't know how to handle tag " + localName);
th.startElement(uri, localName, qName, attributes);
}