Restrict login more than once in java without using JSP or java servlet

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I want restrict user from logging again if he is already logged in. The restriction in doing so is that I have to use Java Frame or JApplet not JSP or java servlet.

What I have tried:

I tried by using thread or by maintaining a loginId in jdbc. I have also searching the solution but the solutions are of JSP or Java Servlet.

Posted 13-Sep-16 0:10am

Member 12736899

Updated 13-Sep-16 0:28am

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Richard MacCutchan 13-Sep-16 6:26am

If this is not a web based application then you cannot do it.

W∴ Balboos, GHB 13-Sep-16 6:30am

Why wouldn't your jdbc method work? If you can read from and write to a data a database then you can check logins and allow/deny them?

Are you sure your problem isn't with database usage?<br>

Member 12736899 13-Sep-16 6:40am

@W∴ Balboos with Jdbc i am inserting a login status either 1 or 0. If the person is logged in the status will be one else 0. If status is one then user cannot open the another login window. But I am not getting the result. Similarly if the log in window is closed the status will be 0 and the user can login again

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rah_sin · Answer 1 · 2016-09-13T00:28:00

Solution 1

I think you can use request filter in web.xml

Posted 13-Sep-16 0:28am

rah_sin