Mega Code Archive

 

Categories / Java Tutorial / Servlet

 

Servlet Session Check

import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.util.*; import java.text.DateFormat; public class MyServlet extends HttpServlet {      public void doGet(HttpServletRequest request, HttpServletResponse response)     throws ServletException, java.io.IOException {              HttpSession session = request.getSession(false);     if (session == null){         response.sendRedirect("/dbproj/login.jsp");       } else {         response.sendRedirect("/dbproj/menu.jsp");     }                 }  } <?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE web-app     PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"     "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd"> <web-app>     <servlet><servlet-name>MyServletName</servlet-name>              <servlet-class>MyServlet</servlet-class>                   </servlet>          <servlet-mapping><servlet-name>MyServletName</servlet-name>         <url-pattern>/index.html</url-pattern>     </servlet-mapping> </web-app>