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<?php
/*
* This file is part of the Symfony framework.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Symfony\Component\Security\Core\User;
use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
/**
* Chain User Provider.
*
* This provider calls several leaf providers in a chain until one is able to
* handle the request.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class ChainUserProvider implements UserProviderInterface
{
private $providers;
public function __construct(array $providers)
{
$this->providers = $providers;
}
/**
* {@inheritDoc}
*/
public function loadUserByUsername($username)
{
foreach ($this->providers as $provider) {
try {
return $provider->loadUserByUsername($username);
} catch (UsernameNotFoundException $notFound) {
// try next one
}
}
throw new UsernameNotFoundException(sprintf('There is no user with name "%s".', $username));
}
/**
* {@inheritDoc}
*/
public function refreshUser(UserInterface $user)
{
$supportedUserFound = false;
foreach ($this->providers as $provider) {
try {
return $provider->refreshUser($user);
} catch (UnsupportedUserException $unsupported) {
// try next one
} catch (UsernameNotFoundException $notFound) {
$supportedUserFound = true;
// try next one
}
}
if ($supportedUserFound) {
throw new UsernameNotFoundException(sprintf('There is no user with name "%s".', $user->getUsername()));
} else {
throw new UnsupportedUserException(sprintf('The account "%s" is not supported.', get_class($user)));
}
}
/**
* {@inheritDoc}
*/
public function supportsClass($class)
{
foreach ($this->providers as $provider) {
if ($provider->supportsClass($class)) {
return true;
}
}
return false;
}
}
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