gistfile1.m

@implementation Article

- (id)initWithDictionary:(NSDictionary *)dictionary {
  self = [self init];
	if (self != nil) {
		self.title = jsonObject[@"title"];
		self.body = jsonObject[@"body"];
		self.url = [NSURL URLWithString:jsonObject[@"url"]];
		self.dateModified = [self.dateFormatter dateFromString:jsonObject[@"modified"]];
		// etc etc etc
	}
	return self;
}