Time based UUID generator - [obj-c] [Objective-C]

TimeBasedUuidGenerator.h

#import <Foundation/Foundation.h>

@interface TimeBasedUuidGenerator : NSObject

-(NSString*)generateTimeBasedUuid;
-(NSUUID*)generateTimeBasedUuidObject;

@end

  
  
  

TimeBasedUuidGenerator.m

#import "TimeBasedUuidGenerator.h"

#import <uuid/uuid.h>

@implementation TimeBasedUuidGenerator

-(NSString*)generateTimeBasedUuid
{
    uuid_t result;
    uuid_generate_time(result);
    
    // https://gist.github.com/yoggy/4483031
    
    // ex. "1b4e28ba-2fa1-11d2-883f-0016d3cca427" + "\0"
    char uuid_str[37] = {0};
    uuid_unparse_upper(result, uuid_str);
    
    NSString* wrappedResult = [NSString stringWithUTF8String: uuid_str];
    return wrappedResult;
}

-(NSUUID*)generateTimeBasedUuidObject
{
    NSString* strUuid = [self generateTimeBasedUuid];
    NSUUID* result = [[NSUUID alloc] initWithUUIDString: strUuid];
    
    return result;
}

@end