/** @see UserDetailsService#loadUserByUsername(String) */
@Override
@Transactional(readOnly = true)
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
Professor professor = professorRepository.findByUsername(username);
if (professor == null) {
throw new UsernameNotFoundException("Nombre de usuario o contraseña no válidos");
}
return buildUserForAuthentication(
professor, new SimpleGrantedAuthority(professor.getRole().toString()));
}
/**
* Builds a new {@link User} based on the given professor and authority.
*
* @param professor the professor used as base to the user.
* @param authority {@link GrantedAuthority} the professor has
* @return {@link User} based on the professor.
*/
private User buildUserForAuthentication(Professor professor, GrantedAuthority authority) {
List<GrantedAuthority> authorities = new ArrayList<>();
authorities.add(authority);
return new User(professor.getUsername(), professor.getPasswordHash(), authorities);
}