9.5/_flash_message_renderer_resolver_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Core\Messaging;


/*

 * This file is part of the TYPO3 CMS project.

 *

 * It is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, either version 2

 * of the License, or any later version.

 *

 * For the full copyright and license information, please read the

 * LICENSE.txt file that was distributed with this source code.

 *

 * The TYPO3 project - inspiring people to share!

 */


use ‪TYPO3\CMS\Core\Core\Environment;

use ‪TYPO3\CMS\Core\Messaging\Renderer\FlashMessageRendererInterface;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪FlashMessageRendererResolver

{

    protected ‪$renderer = [

        'BE' => Renderer\BootstrapRenderer::class,

        'FE' => Renderer\ListRenderer::class,

        'CLI' => Renderer\PlaintextRenderer::class,

        '_default' => Renderer\PlaintextRenderer::class,

    ];


    public function ‪resolve(): ‪FlashMessageRendererInterface

    {

        $rendererClass = $this->‪resolveFlashMessageRenderClass();

        ‪$renderer = GeneralUtility::makeInstance($rendererClass);

        if (!‪$renderer instanceof ‪FlashMessageRendererInterface) {

            throw new \RuntimeException('Renderer ' . get_class(‪$renderer)

                . ' does not implement FlashMessageRendererInterface', 1476958086);

        }

        return ‪$renderer;

    }


    protected function ‪resolveFlashMessageRenderClass(): string

    {

        $context = $this->‪resolveContext();

        $renderClass = $this->renderer['_default'];


        if (!empty($this->renderer[$context])) {

            $renderClass = $this->renderer[$context];

        }


        return $renderClass;

    }


    protected function ‪resolveContext(): string

    {

        $context = '';

        if (‪Environment::isCli()) {

            $context = 'CLI';

        } elseif (TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_BE) {

            $context = 'BE';

        } elseif (TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_FE) {

            $context = 'FE';

        }

        return $context;

    }

}