--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Pubsubhubbub/CallbackInterface.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,69 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Pubsubhubbub
+ * @subpackage Callback
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: CallbackInterface.php 20785 2010-01-31 09:43:03Z mikaelkael $
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Pubsubhubbub
+ * @subpackage Callback
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Feed_Pubsubhubbub_CallbackInterface
+{
+    /**
+     * Handle any callback from a Hub Server responding to a subscription or
+     * unsubscription request. This should be the Hub Server confirming the
+     * the request prior to taking action on it.
+     *
+     * @param array $httpData GET/POST data if available and not in $_GET/POST
+     * @param bool $sendResponseNow Whether to send response now or when asked
+     */
+    public function handle(array $httpData = null, $sendResponseNow = false);
+
+    /**
+     * Send the response, including all headers.
+     * If you wish to handle this via Zend_Controller, use the getter methods
+     * to retrieve any data needed to be set on your HTTP Response object, or
+     * simply give this object the HTTP Response instance to work with for you!
+     *
+     * @return void
+     */
+    public function sendResponse();
+
+    /**
+     * An instance of a class handling Http Responses. This is implemented in
+     * Zend_Feed_Pubsubhubbub_HttpResponse which shares an unenforced interface with
+     * (i.e. not inherited from) Zend_Controller_Response_Http.
+     *
+     * @param Zend_Feed_Pubsubhubbub_HttpResponse|Zend_Controller_Response_Http $httpResponse
+     */
+    public function setHttpResponse($httpResponse);
+
+    /**
+     * An instance of a class handling Http Responses. This is implemented in
+     * Zend_Feed_Pubsubhubbub_HttpResponse which shares an unenforced interface with
+     * (i.e. not inherited from) Zend_Controller_Response_Http.
+     *
+     * @return Zend_Feed_Pubsubhubbub_HttpResponse|Zend_Controller_Response_Http
+     */
+    public function getHttpResponse();
+}