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author | Thomas Müller <thomas.mueller@tmit.eu> | 2013-09-25 13:36:30 +0200 |
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committer | Thomas Müller <thomas.mueller@tmit.eu> | 2013-09-30 16:36:59 +0200 |
commit | 9c9dc276b7a1d2592c4fb0a887888632dc1f1e29 (patch) | |
tree | bbe3aed3e09c31c68806bdb8acffef70ba08f51c /lib/private/appframework/middleware/middleware.php | |
parent | a711399e62d5a9f14d4b748efe4354ee37e61f13 (diff) | |
download | nextcloud-server-9c9dc276b7a1d2592c4fb0a887888632dc1f1e29.tar.gz nextcloud-server-9c9dc276b7a1d2592c4fb0a887888632dc1f1e29.zip |
move the private namespace OC into lib/private - OCP will stay in lib/public
Conflicts:
lib/private/vcategories.php
Diffstat (limited to 'lib/private/appframework/middleware/middleware.php')
-rw-r--r-- | lib/private/appframework/middleware/middleware.php | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/lib/private/appframework/middleware/middleware.php b/lib/private/appframework/middleware/middleware.php new file mode 100644 index 00000000000..b12c03c3eb8 --- /dev/null +++ b/lib/private/appframework/middleware/middleware.php @@ -0,0 +1,100 @@ +<?php + +/** + * ownCloud - App Framework + * + * @author Bernhard Posselt + * @copyright 2012 Bernhard Posselt nukeawhale@gmail.com + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU AFFERO GENERAL PUBLIC LICENSE for more details. + * + * You should have received a copy of the GNU Affero General Public + * License along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ + + +namespace OC\AppFramework\Middleware; + +use OCP\AppFramework\Http\Response; + + +/** + * Middleware is used to provide hooks before or after controller methods and + * deal with possible exceptions raised in the controller methods. + * They're modeled after Django's middleware system: + * https://docs.djangoproject.com/en/dev/topics/http/middleware/ + */ +abstract class Middleware { + + + /** + * This is being run in normal order before the controller is being + * called which allows several modifications and checks + * + * @param Controller $controller the controller that is being called + * @param string $methodName the name of the method that will be called on + * the controller + */ + public function beforeController($controller, $methodName){ + + } + + + /** + * This is being run when either the beforeController method or the + * controller method itself is throwing an exception. The middleware is + * asked in reverse order to handle the exception and to return a response. + * If the response is null, it is assumed that the exception could not be + * handled and the error will be thrown again + * + * @param Controller $controller the controller that is being called + * @param string $methodName the name of the method that will be called on + * the controller + * @param \Exception $exception the thrown exception + * @throws \Exception the passed in exception if it cant handle it + * @return Response a Response object in case that the exception was handled + */ + public function afterException($controller, $methodName, \Exception $exception){ + throw $exception; + } + + + /** + * This is being run after a successful controllermethod call and allows + * the manipulation of a Response object. The middleware is run in reverse order + * + * @param Controller $controller the controller that is being called + * @param string $methodName the name of the method that will be called on + * the controller + * @param Response $response the generated response from the controller + * @return Response a Response object + */ + public function afterController($controller, $methodName, Response $response){ + return $response; + } + + + /** + * This is being run after the response object has been rendered and + * allows the manipulation of the output. The middleware is run in reverse order + * + * @param Controller $controller the controller that is being called + * @param string $methodName the name of the method that will be called on + * the controller + * @param string $output the generated output from a response + * @return string the output that should be printed + */ + public function beforeOutput($controller, $methodName, $output){ + return $output; + } + +} |