NSError category to create a localized NSError instance. Created by Jan Rose.

NSError+LocalizedError

#import <Foundation/Foundation.h>

@interface NSError(LocalizedError)

/**
 Utility method to create a localized NSError with the given error-domain, error-code and description text.
 */
+ (NSError*)localizedErrorWithDomain:(NSString*)domain code:(NSInteger)code andDescription:(NSString*)description;

@end


#import "NSError+LocalizedError.h"

@implementation NSError (LocalizedError)

+ (NSError*)localizedErrorWithDomain:(NSString*)domain code:(NSInteger)code andDescription:(NSString*)description
{
    NSMutableArray* objArray = [NSMutableArray arrayWithCapacity:1];
    NSMutableArray* keyArray = [NSMutableArray arrayWithCapacity:1];
    [objArray addObject:description];
    [keyArray addObject:NSLocalizedDescriptionKey];
    NSDictionary *eDict = [NSDictionary dictionaryWithObjects:objArray
                                                      forKeys:keyArray];
    return [NSError errorWithDomain: domain 
                                       code: code
                                   userInfo: eDict];
}

@end