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I just want to ask how do I make sure a user is still logged in. If he/she’s not, then access to pages is not permissible. See, when logging in a page I use a filter to check if the user exists. I wonder if I could use filters to check if the user is still logged in? Only problem is, I tried but when I type the url directly on the address bar the page still shows, now with null values. How does one do this correctly in Java?
Set a session variable, isLoggedIn=true, after the user logs in. In the filter, check if the session is null, or the logged in flag is false. If not, redirect to some page saying you must login to continue.