Legacy escape route LegacyUserProvider.php

LegacyUserProvider.php

<?php

namespace Acme\Framework\Security;

use Acme\Authentication\User;
use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;

final class LegacyUserProvider implements UserProviderInterface
{
    /**
     * {@inheritdoc}
     */
    public function loadUserByUsername($username)
    {
        if (empty($username)) {
            throw new UsernameNotFoundException('The username is not provided.');
        }

        return new User($username);
    }

    /**
     * {@inheritdoc}
     */
    public function refreshUser(UserInterface $user)
    {
        if (!$this->supportsClass(get_class($user))) {
            throw new UnsupportedUserException(sprintf('Unsupported user class "%s"', get_class($user)));
        }

        return $this->loadUserByUsername($user->getUsername());
    }

    /**
     * {@inheritdoc}
     */
    public function supportsClass($class)
    {
        return $class === 'Acme\\Authentication\\User';
    }
}