public static ErrorInformation createFrom(final Throwable e) {
if (e == null) {
return null;
}
return new ErrorInformation(
ExceptionHelper.getMessage(e),
ExceptionHelper.formatted(e),
ExceptionHelper.formatted(ExceptionHelper.getRootCause(e)));
}
@Override
public UserInformation login(
final String username, final String password, final boolean rememberMe)
throws LoginException {
final Collection<UserService> services = this.userServiceTracker.getTracked().values();
if (services == null || services.isEmpty()) {
throw new LoginException("No login service available");
}
for (final UserService service : services) {
try {
// pass on to the next user service
final UserInformation user = service.checkCredentials(username, password, rememberMe);
if (user != null) {
// got a login
return user;
}
} catch (final Exception e) {
if (ExceptionHelper.getRootCause(e) instanceof LoginException) {
// this failure is ok
throw e;
}
// this one it not and so we continue afterwards
logger.warn("UserService failed", e);
}
}
// end of the service list, nobody knowns this user
throw new LoginException("Login error!", "Invalid username or password.");
}