Extracting name from Google, Facebook

Spring Lemon provides a DefaultPrincipalExtractor, which extracts user data from social providers such as Google and Facebook when a user signs in/up using her social account.

Now that we have added name to our users, we need to extend DefaultPrincipalExtractor and override one of its methods. So, create a MyDefaultPrincipalExtractor class as below:

@Component
public class MyDefaultPrincipalExtractor extends DefaultPrincipalExtractor<User> {

    protected void fillAdditionalFields(User user, Map<String, Object> map) {
        user.setName((String) map.get("name"));        
    }
}