public class PDBuildUserDetailsService implements UserDetailsService {

    private static Logger log = Logger.getLogger(PDBuildUserDetailsService.class);

    @Autowired
    public void setUserController(UserController uc) {
        this.uc = uc;
    }

    private UserController uc;

    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException, DataAccessException {
        PDUser user = uc.findActivateUserByUserId(username);

        if (user == null) {
            log.debug("User '" + username + "' was not found or not active");
            throw new UsernameNotFoundException(username + " not found or not ACTIVE");
        } else
            log.debug("Retreiving user '" + user.getUserId() + "' with attributes enabled="+user.getEnabled()
                 +", locked=" +user.getLocked() + ", bad_login_attemps=" +user.getBadLoginAttempts()
                 + ", activated=" +user.getActivated());
       
        User userDetails = new User(user.getUserId(), user.getPassword(), user.getEnabled(), true, true, !user.getLocked(), getAuthorities(user));
        return userDetails;
    }

    private Collection getAuthorities(PDUser user) {
        Set<GrantedAuthority> authList = new HashSet<GrantedAuthority>();

        //Retrieve user roles --- ALL ACTIVATED USERS MUST HAVE AT LEAST ONE ROLE!!
        for (UserRole userRole = user.getUserRoleCollection()) {
            String role = userRole.getRole().getName().toUpperCase();
            authList.add(new GrantedAuthorityImpl("ROLE_" + role));
        }

        return authList;
    }

}