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>");
}
