\nShowSession.java Servlet that uses session tracking to determine if the client is a repeat visitor. Uses the ServletUtilities class to simplify the DOCTYPE and HEAD output.\n\n\npackage cwp;\n\nimport java.io.*;\nimport javax.servlet.*;\nimport javax.servlet.http.*;\nimport java.net.*;\nimport java.util.*;\n\n\/** Simple example of session tracking.\n *\n * Taken from Core Web Programming Java 2 Edition\n * from Prentice Hall and Sun Microsystems Press,\n * .\n * May be freely used or adapted.\n *\/\n\npublic class ShowSession extends HttpServlet {\n public void doGet(HttpServletRequest request,\n HttpServletResponse response)\n throws ServletException, IOException {\n response.setContentType("text\/html");\n PrintWriter out = response.getWriter();\n String title = "Session Tracking Example";\n HttpSession session = request.getSession(true);\n String heading;\n Integer accessCount =\n (Integer)session.getAttribute("accessCount");\n if (accessCount == null) {\n accessCount = new Integer(0);\n heading = "Welcome, Newcomer";\n } else {\n heading = "Welcome Back";\n accessCount = new Integer(accessCount.intValue() + 1);\n }\n \/\/ Use setAttribute instead of putValue in version 2.2.\n session.setAttribute("accessCount", accessCount);\n\n out.println(ServletUtilities.headWithTitle(title) +\n "n" +\n "
" + heading + "<\/h1>n" +\n "
Information on Your Session:<\/h2>n" +\n "
| Info Type<\/th> | Valuen" +\n " |
|---|---|
| IDn" +\n " <\/td> | " + session.getId() + "n" +\n " |
| Creation Timen" +\n " <\/td> | " +\n new Date(session.getCreationTime()) + "n" +\n " |
| Time of Last Accessn" +\n " <\/td> | " +\n new Date(session.getLastAccessedTime()) + "n" +\n " |
| Number of Previous Accessesn" +\n " <\/td> | " + accessCount + "n" +\n "<\/td><\/tr><\/td><\/tr><\/td><\/tr><\/td><\/tr><\/th><\/tr><\/table>n" +\n "");\n\n }\n\n \/** Handle GET and POST requests identically. *\/\n\n public void doPost(HttpServletRequest request,\n HttpServletResponse response)\n throws ServletException, IOException {\n doGet(request, response);\n }\n}\n\n<\/p><\/pre>\n Note: Brought from our old site: http:\/\/www.salearningschool.com\/example_codes\/ on Jan 2nd, 2017 From: http:\/\/sitestree.com\/?p=10255 \t\tShop Online: https:\/\/www.ShopForSoul.com\/<\/a> ShowSession.java Servlet that uses session tracking to determine if the client is a repeat visitor. Uses the ServletUtilities class to simplify the DOCTYPE and HEAD output. package cwp; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.net.*; import java.util.*; \/** Simple example of session tracking. * * Taken from Core Web Programming Java 2 Edition * … <\/p>\n |