Re: NSFileManager - Incompatible persistent store
Re: NSFileManager - Incompatible persistent store
- Subject: Re: NSFileManager - Incompatible persistent store
- From: Tom Miller <email@hidden>
- Date: Sun, 25 Nov 2012 17:44:06 -0500
Hey Sean,
Thank you! Though this didn't quite work. I'm getting an error response in
the code telling me "No visible @interface for 'NSFileManger' declares the
selector 'createDirectoryAtURL:attributes'. Included in this message is the
code im playing with,
https://dl.dropbox.com/u/3783094/BlogDemoAppDelegate.m
<https://dl.dropbox.com/u/3783094/BlogDemoAppDelegate.m>
On Thu, Nov 22, 2012 at 10:58 AM, Sean McBride <email@hidden>wrote:
> On Wed, 21 Nov 2012 18:17:26 -0500, Tom Miller said:
>
> >Sorry my bad! The warning states 'createDirectoryAtPath:attributes:' is
> >depreciated. I was able to get rid of that window warning once the app
> >launched, miss spelled something in my code. Though I'm still unable to
> >save the imputed text to the XML. I can provide the entire set of code if
> >needed to.
>
> Tom,
>
> Most path-based and non-NSError-returning file APIs are deprecated, and
> you should use URL+NSError methods instead:
>
> createDirectoryAtURL:withIntermediateDirectories:attributes:error:
>
> Also, using fileExistsAtPath: is rarely the right thing due to race
> conditions: it's possible the file didn't exist when you checked, then gets
> created by a different process before you get to create it. Instead, just
> try to create it, and be ready for a returned error like 'already exists'.
> See:
>
> <
> https://developer.apple.com/library/mac/#documentation/security/conceptual/SecureCodingGuide/Articles/RaceConditions.html
> >
>
> Cheers,
>
> --
> ____________________________________________________________
> Sean McBride, B. Eng email@hidden
> Rogue Research www.rogue-research.com
> Mac Software Developer Montréal, Québec, Canada
>
>
>
--
-
Tom Miller
email@hidden
pxlc.me
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