1 import static com.googlecode.bumblebee.dto.Bumblebee.*;
 2 
 3 @Stateless // (or @Service or whatever)
 4 public class UserServiceBean implements UserService {
 5 
 6  public UserDetails getUserDetails(String username) {
 7     User user = userDAO.findByUsername(username);
 8     return assemble(UserDetails.class).from(user);
 9  }
10 }