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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Net_FTP observer.
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*
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* This class implements the Observer part of a Subject-Observer
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* design pattern. It listens to the events sent by a Net_FTP instance.
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* This module had many influences from the Log_observer code.
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category Networking
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* @package FTP
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* @author Tobias Schlitt <toby@php.net>
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* @author Laurent Laville <pear@laurent-laville.org>
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* @author Chuck Hagenbuch <chuck@horde.org>
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* @copyright 1997-2008 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: Observer.php,v 1.4.2.1 2008/01/07 14:21:22 jschippers Exp $
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* @link http://pear.php.net/package/Net_FTP
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* @since File available since Release 0.0.1
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*/
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/**
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* This class implements the Observer part of a Subject-Observer
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* design pattern. It listens to the events sent by a Net_FTP instance.
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* This module had many influences from the Log_observer code.
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*
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* @category Networking
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* @package FTP
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* @author Laurent Laville <pear@laurent-laville.org>
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* @author Chuck Hagenbuch <chuck@horde.org>
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* @author Tobias Schlitt <toby@php.net>
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* @copyright 1997-2008 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.3.7
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* @link http://pear.php.net/package/Net_FTP
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* @since 1.3.0.0
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* @access public
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*
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* @example observer_upload.php An example of Net_FTP_Observer implementation.
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*/
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class Net_FTP_Observer
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{
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/**
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* Instance-specific unique identification number.
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*
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* @var integer
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* @since 1.3.0
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* @access private
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*/
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var $_id;
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/**
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* Creates a new basic Net_FTP_Observer instance.
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*
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* @since 1.3.0
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* @access public
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*/
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function Net_FTP_Observer()
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{
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$this->_id = md5(microtime());
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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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* @return string The listener's identifier
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* @since 1.3.0
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* @access public
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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 is a stub method to make sure that Net_FTP_Observer classes do
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* something when they are notified of a message. The default behavior
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* is to just do nothing.
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* You should override this method.
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*
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* @param mixed $event A hash describing the net event.
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*
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* @since 1.3.0
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* @access public
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* @return void
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*/
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function notify($event)
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{
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return;
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}
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}
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?>
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