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NSUnarchiver and NSKeyedUnarchiver problem
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NSUnarchiver and NSKeyedUnarchiver problem

  • Subject: NSUnarchiver and NSKeyedUnarchiver problem
  • From: Jérôme Duquennoy <email@hidden>
  • Date: Wed, 6 Aug 2003 11:50:31 +0200
Hello

I am working on an update to a soft that saved its datas using NSArchiver.
In the new version of the soft, I add a variable to a class. It will work well in the new version, but the old version will crash instantly as i try to read the archive.

I would also like to pass to an NSKeyArchiver, to ease backward compatibility in the future.
How can I detect if the archive was created using an NSArchiver or an NSKeyeArchiver ?
If I chose the wrong coder, it instantly crashes ...

Is there a way to avoid the crash, and to get a status, so that I can handle the problem ?

Thank you

Jerome Duquennoy
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