Mantle Example

gistfile1.m

@interface Article : MTLModel <MTLJSONSerializing>

@property (nonatomic) NSString *title;
@property (nonatomic) NSString *body;
@property (nonatomic) NSURL *url;
@property (nonatmoic) NSDate *dateModified;


@implementation Article

+ (NSDictionary *)JSONKeyPathsByPropertyKey {
	return @{
		@"title": @"title",
		@"body": @"body",
		@"url": @"url",
		@"dateModified": @"modified"
	};
}

+ (NSValueTransformer *)URLJSONTransformer {
	return [NSValueTransformer valueTransformerForName:MTLURLValueTransformerName];
}

+ (NSValueTransformer *)dateModifiedJSONTransformer {
  return [MTLValueTransformer reversibleTransformerWithForwardBlock:^(NSString *str) {
      return [self.dateFormatter dateFromString:str];
  } reverseBlock:^(NSDate *date) {
      return [self.dateFormatter stringFromDate:date];
  }];
}