--- /dev/null
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Writer;
+
+class StandaloneExtensionManager implements ExtensionManagerInterface
+{
+ private $extensions = [
+ 'Atom\Renderer\Feed' => Extension\Atom\Renderer\Feed::class,
+ 'Content\Renderer\Entry' => Extension\Content\Renderer\Entry::class,
+ 'DublinCore\Renderer\Entry' => Extension\DublinCore\Renderer\Entry::class,
+ 'DublinCore\Renderer\Feed' => Extension\DublinCore\Renderer\Feed::class,
+ 'ITunes\Entry' => Extension\ITunes\Entry::class,
+ 'ITunes\Feed' => Extension\ITunes\Feed::class,
+ 'ITunes\Renderer\Entry' => Extension\ITunes\Renderer\Entry::class,
+ 'ITunes\Renderer\Feed' => Extension\ITunes\Renderer\Feed::class,
+ 'Slash\Renderer\Entry' => Extension\Slash\Renderer\Entry::class,
+ 'Threading\Renderer\Entry' => Extension\Threading\Renderer\Entry::class,
+ 'WellFormedWeb\Renderer\Entry' => Extension\WellFormedWeb\Renderer\Entry::class,
+ ];
+
+ /**
+ * Do we have the extension?
+ *
+ * @param string $extension
+ * @return bool
+ */
+ public function has($extension)
+ {
+ return array_key_exists($extension, $this->extensions);
+ }
+
+ /**
+ * Retrieve the extension
+ *
+ * @param string $extension
+ * @return mixed
+ */
+ public function get($extension)
+ {
+ $class = $this->extensions[$extension];
+ return new $class();
+ }
+}