public class MyRequestListener implements

           ServletRequestListener,ServletRequestAttributeListener{

         public void requestDestroyed(ServletRequestEvent arg0) {

                   //对销毁客户端请求进行监听

                   print("reqeust destroyed");

         }

         public void requestInitialized(ServletRequestEvent arg0) {

                   //对实现客户端请求进行监听

                   print("Request init");

                   ServletRequest sr = arg0.getServletRequest();           //初始化客户端请求

                   print(sr.getRemoteAddr());                                              //获得请求客户端的地址

         }