first commit

2021-04-17 00:26:33 +02:00
commit 866c63cc63
813 changed files with 100696 additions and 0 deletions
--- a/Classes/System/Object/AbstractClassRegistry.php
+++ b/Classes/System/Object/AbstractClassRegistry.php
@@ -0,0 +1,113 @@
+<?php
+namespace WapplerSystems\Meilisearch\System\Object;
+
+/*
+ * 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\SingletonInterface;
+use TYPO3\CMS\Extbase\Object\ObjectManagerInterface;
+
+/**
+ * Abstract class to hold the logic to register and retrieve different classes
+ * for a specific key.
+ *
+ * Can be used to retrieve different "strategies" for the same thing.
+ *
+ * @author Timo Hund <timo.hund@dkd.de>
+ */
+class AbstractClassRegistry implements SingletonInterface
+{
+    /**
+     * Holds the mapping key => className
+     * @var array
+     */
+    protected $classMap = [];
+
+    /**
+     * Name for the default implementation
+     *
+     * @var string
+     */
+    protected $defaultClass = \stdClass::class;
+
+    /**
+     * @var ObjectManagerInterface
+     */
+    protected $objectManager;
+
+    /**
+     * @param ObjectManagerInterface $objectManager
+     */
+    public function injectObjectManager(ObjectManagerInterface $objectManager)
+    {
+        $this->objectManager = $objectManager;
+    }
+
+    /**
+     * Retrieves an instance for an registered type.
+     *
+     * @param string $type
+     * @return object
+     */
+    public function getInstance($type)
+    {
+        $className = $this->resolveClassName($type);
+        return $this->createInstance($className);
+    }
+
+    /**
+     * @param string $type
+     * @return string
+     */
+    protected function resolveClassName($type)
+    {
+        $className = $this->defaultClass;
+        if (isset($this->classMap[$type])) {
+            $className = $this->classMap[$type];
+            return $className;
+        }
+        return $className;
+    }
+
+    /**
+     * Create an instance of a certain class
+     *
+     * @param string $className
+     * @return object
+     */
+    protected function createInstance($className)
+    {
+        return $this->objectManager->get($className);
+    }
+
+    /**
+     * Can be used to register an implementation in the classMap.
+     *
+     * @param string $className
+     * @param string $type
+     * @param string $requiredBaseClass
+     */
+    protected function register($className, $type, $requiredBaseClass) {
+        // check if the class is available for TYPO3 before registering the driver
+        if (!class_exists($className)) {
+            throw new \InvalidArgumentException('Class ' . $className . ' does not exist.', 1462883324);
+        }
+
+        if (!is_subclass_of($className, $requiredBaseClass)) {
+            throw new \InvalidArgumentException('Parser ' . $className . ' needs to extend the ' . $requiredBaseClass . '.', 1462883325);
+        }
+
+        $this->classMap[$type] = $className;
+    }
+}
+