public void parse(Object context, Node webappSubnode) throws SAXException {
MutableWebAppServlet servlet = (MutableWebAppServlet) context;
WebAppSecurityRoleRef securityRoleRef
= (WebAppSecurityRoleRef) creator.create(webappSubnode);
if (securityRoleRef != null) {
servlet.addSecurityRoleRef(securityRoleRef);
}
}
}