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typo3/sysext/extbase/Classes/Mvc/RequestHandlerInterface.php

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+<?php
+namespace TYPO3\CMS\Extbase\Mvc;
+
+/*
+ * 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!
+ */
+
+/**
+ * The interface for a request handler
+ */
+interface RequestHandlerInterface
+{
+    /**
+     * Handles a raw request and returns the respsonse.
+     *
+     * @return \TYPO3\CMS\Extbase\Mvc\ResponseInterface
+     */
+    public function handleRequest();
+
+    /**
+     * Checks if the request handler can handle the current request.
+     *
+     * @return bool TRUE if it can handle the request, otherwise FALSE
+     */
+    public function canHandleRequest();
+
+    /**
+     * Returns the priority - how eager the handler is to actually handle the
+     * request. An integer > 0 means "I want to handle this request" where
+     * "100" is default. "0" means "I am a fallback solution".
+     *
+     * @return int The priority of the request handler
+     */
+    public function getPriority();
+}