15.3.8. HTTP Authentication

public boolean authenticate() {
  try {
    User user = (User) entityManager.createQuery(
         "from User where username = "username")
         .setParameter("username", identity.getUsername())
         .getSingleResult();

    return validatePassword(user.getPassword());
  } catch (NoResultException ex) {
    return false;
  }
}

public boolean authenticate() {
  try {
    User user = (User) entityManager.createQuery(
         "from User where username = "username")
         .setParameter("username", identity.getUsername())
         .getSingleResult();

    return validatePassword(user.getPassword());
  } catch (NoResultException ex) {
    return false;
  }
}