NovaeZCloudinaryBundle.php

<?php

/**
 * Novactive eZ Cloudinary Bundle.
 *
 * @package   Novactive\Bundle\eZCloudinary
 *
 * @author    Novactive <novacloudinarybundle@novactive.com>
 * @copyright 2015 Novactive
 * @license   https://github.com/Novactive/NovaeZCloudinaryBundle/blob/master/LICENSE MIT Licence
 */

declare(strict_types=1);

namespace Novactive\Bundle\eZCloudinaryBundle;

use LogicException;
use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
use Symfony\Component\HttpKernel\Bundle\Bundle;

class NovaeZCloudinaryBundle extends Bundle
{
    public function getContainerExtension(): ?ExtensionInterface
    {
        if (null === $this->extension) {
            $extension = $this->createContainerExtension();

            if (null !== $extension) {
                if (!$extension instanceof ExtensionInterface) {
                    throw new LogicException(
                        sprintf(
                            'Extension %s must implement '.ExtensionInterface::class,
                            \get_class($extension)
                        )
                    );
                }
                $this->extension = $extension;
            } else {
                $this->extension = false;
            }
        }

        if ($this->extension) {
            return $this->extension;
        }
    }
}