*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
CallBackParser handler = CallBackParser.getInstance();
// Retrieve the request body as an InputStream
InputStream in = request.getInputStream();
// Pass the request body to the CallBackParser#parseCallBack method
handler.parseCallBack(in);
PrintWriter out = response.getWriter();
out.print("call back accepted");
} catch (ProtocolException protocolEx) {
}