TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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!
+ */
+
+namespace TYPO3\CMS\Core\Messaging;
+
+use TYPO3\CMS\Core\Core\Environment;
+use TYPO3\CMS\Core\Http\ApplicationType;
+use TYPO3\CMS\Core\Http\ServerRequest;
+use TYPO3\CMS\Core\Messaging\Renderer\BootstrapRenderer;
+use TYPO3\CMS\Core\Messaging\Renderer\FlashMessageRendererInterface;
+use TYPO3\CMS\Core\Messaging\Renderer\ListRenderer;
+use TYPO3\CMS\Core\Messaging\Renderer\PlaintextRenderer;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * A class for rendering flash messages.
+ */
+class FlashMessageRendererResolver
+{
+    /**
+     * @var array
+     */
+    protected $renderer = [
+        'BE' => BootstrapRenderer::class,
+        'FE' => ListRenderer::class,
+        'CLI' => PlaintextRenderer::class,
+        '_default' => PlaintextRenderer::class,
+    ];
+
+    /**
+     * This method resolves a FlashMessageRendererInterface for the given $context.
+     *
+     * In case $context is null, the context will be detected automatic.
+     */
+    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;
+    }
+
+    /**
+     * This method resolves the renderer class by given context.
+     */
+    protected function resolveFlashMessageRenderClass(): string
+    {
+        $context = $this->resolveContext();
+        $renderClass = $this->renderer['_default'];
+
+        if (!empty($this->renderer[$context])) {
+            $renderClass = $this->renderer[$context];
+        }
+
+        return $renderClass;
+    }
+
+    /**
+     * This method detect the current context and return one of the
+     * following strings:
+     * - FE
+     * - BE
+     * - CLI
+     */
+    protected function resolveContext(): string
+    {
+        $context = '';
+        $request = $GLOBALS['TYPO3_REQUEST'] ?? null;
+        if (Environment::isCli()) {
+            $context = 'CLI';
+        } elseif ($request instanceof ServerRequest && ApplicationType::fromRequest($request)->isBackend()) {
+            $context = 'BE';
+        } elseif ($request instanceof ServerRequest && ApplicationType::fromRequest($request)->isFrontend()) {
+            $context = 'FE';
+        }
+        return $context;
+    }
+}