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From Eric Weidner <>
Subject Re: Ant Featured in Out-of-the-Box
Date Thu, 21 Nov 2002 22:18:50 GMT
Actually, that's a great idea.  We've used the Preferences API in the
past but didn't think about diving into the JDK source to extract the
flush() methods we needed.  From a quick look at the JDK source, it
shouldn't be hard to make our own flush() that works on the Windows
registry outside of the Preferences sandbox (Software\JavaSoft\Prefs).

Thanks for the idea!


Dominique Devienne wrote:

>A little off-topic, but the Preferences API (JDK 1.4+) on Windows accesses
>the Windows registry, and has a flush() method... But of course they use
>native methods (in the VM I guess) to access it. Looks like one could hack
>the use of the native methods already part of JDK 1.4 using reflection, but
>that would be difficult and not advisable... --DD
>-----Original Message-----
>From: Eric Weidner [] 
>Sent: Thursday, November 21, 2002 1:06 PM
>To: Ant Users List
>Subject: Re: Ant Featured in Out-of-the-Box
>We are using jRegistryKey and we wrote wrappers around it to provide 
>easy registry path manipulation.  The problem with using Java to 
>manipulate the registry is that we haven't found a way to flush the 
>changes like you can with InstallShield, etc so they are available 
>immediately.  Thus the user has to go flush them manually by going into 
>the env var dialog and hitting ok, or you have to request a reboot.
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