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NSError from HTTP status code

What is the best way to create an object NSError

based on a standard HTTP status code (ideally one that contains some kind of human-readable message in localizedDescription

)? Is there a standard method or should I just create my own error domain to use with NSError

?

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Foundation objects for making network requests will often return these NSError

for you. NSURLConnection

for example will provide NSError

in completionHandler

its method +sendAsynchronousRequest:queue:completionHandler:

.



If you want to rollback yourself, you can instantiate it NSError

, set it as error domain like NSURLErrorDomain

, set it code

as the HTTP status code you want, and set it localizedDescription

to be user-readable.

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