public static void showSession(HttpServletRequest req, PrintStream out) { // res.setContentType("text/html"); // Get the current session object, create one if necessary HttpSession session = req.getSession(); out.println("Session id: " + session.getId()); out.println(" session.isNew(): " + session.isNew()); out.println(" session.getMaxInactiveInterval(): " + session.getMaxInactiveInterval() + " secs"); out.println( " session.getCreationTime(): " + session.getCreationTime() + " (" + new Date(session.getCreationTime()) + ")"); out.println( " session.getLastAccessedTime(): " + session.getLastAccessedTime() + " (" + new Date(session.getLastAccessedTime()) + ")"); out.println(" req.isRequestedSessionIdFromCookie: " + req.isRequestedSessionIdFromCookie()); out.println(" req.isRequestedSessionIdFromURL: " + req.isRequestedSessionIdFromURL()); out.println(" req.isRequestedSessionIdValid: " + req.isRequestedSessionIdValid()); out.println("Saved session Attributes:"); Enumeration atts = session.getAttributeNames(); while (atts.hasMoreElements()) { String name = (String) atts.nextElement(); out.println(" " + name + ": " + session.getAttribute(name) + "<BR>"); } }
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { String amount = request.getParameter("amount"); String amount2 = request.getParameter("amount2"); String amount3 = request.getParameter("amount3"); Integer posotita = Integer.parseInt(amount); Integer posotita2 = Integer.parseInt(amount2); Integer posotita3 = Integer.parseInt(amount3); HttpSession session = request.getSession(); if (session.isNew()) { request.setAttribute("sessionVal", "this is a new session"); } else { request.setAttribute("sessionVal", "Welcome Back!"); } double total = ((posotita * 18.50) + (posotita2 * 6.95) + (posotita3 * 1.29)); session.setAttribute("totalVal", total); request.setAttribute("currency", total); request.setAttribute("from", amount); request.setAttribute("from2", amount2); request.setAttribute("from3", amount3); RequestDispatcher view = request.getRequestDispatcher("index.jsp"); view.forward(request, response); }
/** Get the current session, creating it if necessary (and set the timeout if so) */ protected HttpSession getSession() { if (session == null) { session = req.getSession(true); if (session.isNew()) { setSessionTimeout(session); } } return session; }
public static void showSession(HttpServletRequest req, HttpServletResponse res, PrintStream out) { // res.setContentType("text/html"); // Get the current session object, create one if necessary HttpSession session = req.getSession(); // Increment the hit count for this page. The value is saved // in this client's session under the name "snoop.count". Integer count = (Integer) session.getAttribute("snoop.count"); if (count == null) { count = 1; } else count = count + 1; session.setAttribute("snoop.count", count); out.println(HtmlWriter.getInstance().getHtmlDoctypeAndOpenTag()); out.println("<HEAD><TITLE>SessionSnoop</TITLE></HEAD>"); out.println("<BODY><H1>Session Snoop</H1>"); // Display the hit count for this page out.println( "You've visited this page " + count + ((!(count.intValue() != 1)) ? " time." : " times.")); out.println("<P>"); out.println("<H3>Here is your saved session data:</H3>"); Enumeration atts = session.getAttributeNames(); while (atts.hasMoreElements()) { String name = (String) atts.nextElement(); out.println(name + ": " + session.getAttribute(name) + "<BR>"); } out.println("<H3>Here are some vital stats on your session:</H3>"); out.println("Session id: " + session.getId() + " <I>(keep it secret)</I><BR>"); out.println("New session: " + session.isNew() + "<BR>"); out.println("Timeout: " + session.getMaxInactiveInterval()); out.println("<I>(" + session.getMaxInactiveInterval() / 60 + " minutes)</I><BR>"); out.println("Creation time: " + session.getCreationTime()); out.println("<I>(" + new Date(session.getCreationTime()) + ")</I><BR>"); out.println("Last access time: " + session.getLastAccessedTime()); out.println("<I>(" + new Date(session.getLastAccessedTime()) + ")</I><BR>"); out.println( "Requested session ID from cookie: " + req.isRequestedSessionIdFromCookie() + "<BR>"); out.println("Requested session ID from URL: " + req.isRequestedSessionIdFromURL() + "<BR>"); out.println("Requested session ID valid: " + req.isRequestedSessionIdValid() + "<BR>"); out.println("<H3>Test URL Rewriting</H3>"); out.println("Click <A HREF=\"" + res.encodeURL(req.getRequestURI()) + "\">here</A>"); out.println("to test that session tracking works via URL"); out.println("rewriting even when cookies aren't supported."); out.println("</BODY></HTML>"); }