public void filter(Event event) throws Event, Exception {
try {
new In(event);
Reply reply = event.reply();
reply.type("text/xml");
Output out = reply.output();
out.println("<?xml version=\"1.0\"?>");
out.println("<methodResponse>");
out.println(" <params>");
out.println(" <param>");
out.println(" <value>");
out.println(" <string>Pingback registered.</string>");
out.println(" </value>");
out.println(" </param>");
out.println(" </params>");
out.println("</methodResponse>");
}
catch(Exception e) {
e.printStackTrace();
throw e;
}