TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+/*
+ * 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\Resource\Collection;
+
+use TYPO3\CMS\Core\SingletonInterface;
+
+/**
+ * Registry for FileCollection classes
+ */
+class FileCollectionRegistry implements SingletonInterface
+{
+    /**
+     * Registered FileCollection types
+     *
+     * @var array
+     */
+    protected $types = [];
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        foreach ($GLOBALS['TYPO3_CONF_VARS']['SYS']['fal']['registeredCollections'] as $type => $class) {
+            $this->registerFileCollectionClass($class, $type);
+        }
+    }
+
+    /**
+     * Register a (new) FileCollection type
+     *
+     * @param string $className
+     * @param string $type FileCollection type max length 30 chars (db field restriction)
+     * @param bool $override existing FileCollection type
+     * @return bool TRUE if registration succeeded
+     * @throws \InvalidArgumentException
+     */
+    public function registerFileCollectionClass($className, $type, $override = false)
+    {
+        if (strlen($type) > 30) {
+            throw new \InvalidArgumentException('FileCollection type can have a max string length of 30 bytes', 1391295611);
+        }
+
+        if (!class_exists($className)) {
+            throw new \InvalidArgumentException('Class ' . $className . ' does not exist.', 1391295613);
+        }
+
+        if (!in_array(AbstractFileCollection::class, class_parents($className) ?: [], true)) {
+            throw new \InvalidArgumentException('FileCollection ' . $className . ' needs to extend the AbstractFileCollection.', 1391295633);
+        }
+
+        if (isset($this->types[$type])) {
+            // Return immediately without changing configuration
+            if ($this->types[$type] === $className) {
+                return true;
+            }
+            if (!$override) {
+                throw new \InvalidArgumentException('FileCollections ' . $type . ' is already registered.', 1391295643);
+            }
+        }
+
+        $this->types[$type] = $className;
+        return true;
+    }
+
+    /**
+     * Returns a class name for a given type
+     *
+     * @param string $type
+     * @return string The class name
+     * @throws \InvalidArgumentException
+     */
+    public function getFileCollectionClass($type)
+    {
+        if (!isset($this->types[$type])) {
+            throw new \InvalidArgumentException('Desired FileCollection type "' . $type . '" is not in the list of available FileCollections.', 1391295644);
+        }
+        return $this->types[$type];
+    }
+
+    /**
+     * Checks if the given FileCollection type exists
+     *
+     * @param string $type Type of the FileCollection
+     * @return bool TRUE if the FileCollection exists, FALSE otherwise
+     */
+    public function fileCollectionTypeExists($type)
+    {
+        return isset($this->types[$type]);
+    }
+}