Is there any convertor that used to convert JSON web-service to Objective C code like Sudzc that use SOAP protocol.
NSDictionary *dictionary = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&error];
Also if you want to have more detail.... check these
Convert the JSON string into an NSDictionary using tools like yajl, JSONKit or iOS5 JSON
Use a tool like Jastor to convert this NSDictionary to a real Objective-C class with typed properties, nested properties, arrays etc.