java - don't allow non member show jsp page -



java - don't allow non member show jsp page -

i design jsp page want 1 login fellow member of site(have session futures) see page , if 1 not fellow member seek see page refer custom eror page.can advise me helpfull?

<%@ page language="java" contenttype="text/html; charset=iso-8859-1" pageencoding="iso-8859-1"%> <!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1"> <title> user account</title> </head> <body> <%@include file="header.jsp" %> ${welcome } ${name} ${family } </body> </html>

any help fall me in greatfull...

use servlet filter.

implement javax.servlet.filter. phone call chain.dofilter(..) if find user in session; otherwise phone call response.sendredirect("notloggedin.jsp"); map in web.xml (<filter> , <filter-mapping>) (or if using servlet 3.0 - utilize @webfilter on filter class). map filter path(s) want protect.

java jsp servlets

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