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Created March 4, 2012 14:51
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error handling
- (BOOL)readFromData:(NSData *)data ofType:(NSString *)typeName error:(NSError **)outError
todoItems = [NSPropertyListSerialization propertyListWithData:data options:NSPropertyListMutableContainers format:NULL error:outError];
BOOL errorFound = todoItems == nil;
if (errorFound)
NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
[userInfo setValue:@"Custom Error Description" forKey:NSLocalizedDescriptionKey];
[userInfo setValue:@"Custom Failure Reason" forKey:NSLocalizedFailureReasonErrorKey];
[userInfo setValue:@"Custom Recovery Suggestion" forKey:NSLocalizedRecoverySuggestionErrorKey];
NSError *myError =
[NSError errorWithDomain:@"My Custom Domain" code:41 userInfo:userInfo];
[NSApp presentError:myError];
*outError = [NSError errorWithDomain:NSCocoaErrorDomain code:NSUserCancelledError userInfo:nil];
return !errorFound;
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