So, Leopard includes a lovely new class, NSAtomicStore. I’ve read through all the documentation and know what need to do to populate Core Data from my custom file format. Except, I have no idea where to start. I’ve created my subclass of NSAtomicStore; how do I get the framework to use it? I’ve done my call to + (void)registerStoreClass:(Class)storeClass forStoreType:(NSString *)storeType but my code is never called when a Untitled document is being created.

Does anyone have a sample they can post? Or perhaps a quick anecdote about that last tricky step that had them going for a while?

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As seen on: CoreDataWish

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Leopard will have new API that allows you to override the default data storage method. The Leopard dev samples even contain code showing how this is done.

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Does anyone have that laying around somewhere?

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Me again. I may have found what I was looking for here: http://developer.apple.com/samplecode/HTMLStore/