public class RegexValidHandler implements TagHandler {
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
RegexValidator rv = new RegexValidator();
String inull = attributes.getValue("ignoreNull");
if (inull != null)
rv.setIgnoreNull(Boolean.valueOf(inull).booleanValue());
rv.setPattern(attributes.getValue("value"));
rv.setProperty(attributes.getValue("key"));
rv.setTypeHelper(typeHelper);
push(rv);
}