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04-24-2008, 09:28 AM
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Application starting initially
I want my java application start before the user can actually log in to his machine.Actually I need to have a dialog where user enters his username and password and then only he is directed to the login prompt of the O.S.How can I make my dialog operate in this manner?Any idea?Please help.
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04-24-2008, 09:35 AM
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You asking that, how to start you application before user login to the system. That mean even the welcome screen on the desktop?
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04-24-2008, 10:02 AM
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I don't think you could do this is even possible because in the case of windows. it doesn't load everything into memory until the user passes the through the welcome screen.
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04-24-2008, 10:48 AM
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Yep, if the answer for my initial question is 'yes', you can't do it. Even on Linux I haven't try it, but it can be possible. You can make some changes in kernel level if you are keen with Linux. 
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04-24-2008, 11:31 AM
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What i need is before the login prompt of the windows,I need to start my own application.
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04-24-2008, 11:45 AM
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That is impossible unless you want to edit the very windows kernel.
This problem is way above my head, other than the fact of knowing you have to edit the kernel.
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04-24-2008, 12:12 PM
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Originally Posted by Zosden
That is impossible unless you want to edit the very windows kernel.
 Windows never allowed to do it. And I don't think even on Linux, it's easy.
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04-24-2008, 06:55 PM
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Actually it is possible. Your application has to be written as a Windows service. In order to do this you have to know how to write the Windows service (not very trivial but not impossible either). From the Windows service you load the JVM as a DLL in the memory space of the service process and there you start your Java application 
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04-24-2008, 07:05 PM
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If starting from scratch with a Windows service seems too difficult then something like this might help:
Java Service Wrapper - Download Java Service Wrapper
Also the Windows Resource Kit has some utilities that allow one to run arbitrary programs and scripts as services. But that costs money  unless you already have it.
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04-25-2008, 06:19 AM
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I'm wondering about it. How a windows service is started without loading to the memory. As far as I know to load into the memory, system should be startup, isn't it?
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04-25-2008, 11:26 AM
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Cant we do so without the third party tools like that u mentioned(JWrapper),how can we do so can u provide some sample codes or code snippets?
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04-25-2008, 11:34 AM
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i am using ya!
why we r using interfaces
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04-25-2008, 06:35 PM
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Writing a Windows service is not a trivial task. I don't think somebody will do it here for free. On the other hand you can google for "java windows service" and I am sure you will find code samples.
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04-27-2008, 11:42 AM
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Is it possible that the application after OS login will hide or disable all other application even the start menu of the windows.
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04-27-2008, 09:48 PM
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Lots of things are possible. Do you want to build a virus ? Why would you make the machine unmanageable? What are your requirements? Or maybe this is just a rhetorical question?
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