Файл: library/Zend/Http/UserAgent/Storage/NonPersistent.php
Строк: 129
<?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_Http
* @subpackage UserAgent
* @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: NonPersistent.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Http_UserAgent_Storage_Interface
*/
require_once 'Zend/Http/UserAgent/Storage.php';
/**
* Non-Persistent Browser Storage
*
* Since HTTP Browserentication happens again on each request, this will always be
* re-populated. So there's no need to use sessions, this simple value class
* will hold the data for rest of the current request.
*
* @package Zend_Http
* @subpackage UserAgent
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Http_UserAgent_Storage_NonPersistent
implements Zend_Http_UserAgent_Storage
{
/**
* Holds the actual Browser data
* @var mixed
*/
protected $_data;
/**
* Returns true if and only if storage is empty
*
* @throws Zend_Http_UserAgent_Storage_Exception If it is impossible to determine whether storage is empty
* @return boolean
*/
public function isEmpty()
{
return empty($this->_data);
}
/**
* Returns the contents of storage
*
* Behavior is undefined when storage is empty.
*
* @throws Zend_Http_UserAgent_Storage_Exception If reading contents from storage is impossible
* @return mixed
*/
public function read()
{
return $this->_data;
}
/**
* Writes $contents to storage
*
* @param mixed $contents
* @throws Zend_Http_UserAgent_Storage_Exception If writing $contents to storage is impossible
* @return void
*/
public function write($contents)
{
$this->_data = $contents;
}
/**
* Clears contents from storage
*
* @throws Zend_Http_UserAgent_Storage_Exception If clearing contents from storage is impossible
* @return void
*/
public function clear()
{
$this->_data = null;
}
}