code: protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
     {
        String action = request.getParameter(ACTION_PARAM);
  
        if (action == null)
           action = DISPLAY_MBEANS_ACTION;
  
        if (action.equals(DISPLAY_MBEANS_ACTION))
           displayMBeans(request, response);
        else if (action.equals(INSPECT_MBEAN_ACTION))
           inspectMBean(request, response);
        else if (action.equals(UPDATE_ATTRIBUTES_ACTION))
           updateAttributes(request, response);
        else if (action.equals(INVOKE_OP_ACTION))
           invokeOp(request, response);
        else if (action.equals(INVOKE_OP_BY_NAME_ACTION))
           invokeOpByName(request, response);
     }
docs: Process the request
  @param request The HTTP request
  @param response The HTTP response
  @exception ServletException Thrown if an error occurs
  @exception IOException Thrown if an I/O error occurs