forked from GNUsocial/gnu-social
107 lines
3.2 KiB
PHP
107 lines
3.2 KiB
PHP
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<?php
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/**
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* Listener for HTTP_Request and HTTP_Response objects
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*
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* PHP versions 4 and 5
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*
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* LICENSE:
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*
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* Copyright (c) 2002-2007, Richard Heyes
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* o Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* o Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* o The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category HTTP
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* @package HTTP_Request
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* @author Alexey Borzov <avb@php.net>
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* @copyright 2002-2007 Richard Heyes
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @version CVS: $Id: Listener.php,v 1.3 2007/05/18 10:33:31 avb Exp $
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* @link http://pear.php.net/package/HTTP_Request/
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*/
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/**
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* Listener for HTTP_Request and HTTP_Response objects
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*
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* This class implements the Observer part of a Subject-Observer
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* design pattern.
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*
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* @category HTTP
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* @package HTTP_Request
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* @author Alexey Borzov <avb@php.net>
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* @version Release: 1.4.4
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*/
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class HTTP_Request_Listener
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{
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/**
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* A listener's identifier
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* @var string
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*/
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var $_id;
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/**
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* Constructor, sets the object's identifier
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*
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* @access public
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*/
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function HTTP_Request_Listener()
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{
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$this->_id = md5(uniqid('http_request_', 1));
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}
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/**
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* Returns the listener's identifier
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*
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* @access public
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* @return string
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*/
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function getId()
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{
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return $this->_id;
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}
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/**
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* This method is called when Listener is notified of an event
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*
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* @access public
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* @param object an object the listener is attached to
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* @param string Event name
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* @param mixed Additional data
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* @abstract
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*/
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function update(&$subject, $event, $data = null)
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{
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echo "Notified of event: '$event'\n";
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if (null !== $data) {
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echo "Additional data: ";
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var_dump($data);
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}
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}
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}
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?>
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