Response.php
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<?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_Service
* @subpackage Nirvanix
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Response.php 23775 2011-03-01 17:25:24Z ralph $
*/
/**
* This class decorates a SimpleXMLElement parsed from a Nirvanix web service
* response. It is primarily exists to provide a convenience feature that
* throws an exception when <ResponseCode> contains an error.
*
* @category Zend
* @package Zend_Service
* @subpackage Nirvanix
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Service_Nirvanix_Response
{
/**
* SimpleXMLElement parsed from Nirvanix web service response.
*
* @var SimpleXMLElement
*/
protected $_sxml;
/**
* Class constructor. Parse the XML response from a Nirvanix method
* call into a decorated SimpleXMLElement element.
*
* @param string $xml XML response string from Nirvanix
* @throws Zend_Service_Nirvanix_Exception
*/
public function __construct($xml)
{
$this->_sxml = @simplexml_load_string($xml);
if (! $this->_sxml instanceof SimpleXMLElement) {
$this->_throwException("XML could not be parsed from response: $xml");
}
$name = $this->_sxml->getName();
if ($name != 'Response') {
$this->_throwException("Expected XML element Response, got $name");
}
$code = (int)$this->_sxml->ResponseCode;
if ($code != 0) {
$msg = (string)$this->_sxml->ErrorMessage;
$this->_throwException($msg, $code);
}
}
/**
* Return the SimpleXMLElement representing this response
* for direct access.
*
* @return SimpleXMLElement
*/
public function getSxml()
{
return $this->_sxml;
}
/**
* Delegate undefined properties to the decorated SimpleXMLElement.
*
* @param string $offset Undefined property name
* @return mixed
*/
public function __get($offset)
{
return $this->_sxml->$offset;
}
/**
* Delegate undefined methods to the decorated SimpleXMLElement.
*
* @param string $offset Underfined method name
* @param array $args Method arguments
* @return mixed
*/
public function __call($method, $args)
{
return call_user_func_array(array($this->_sxml, $method), $args);
}
/**
* Throw an exception. This method exists to only contain the
* lazy-require() of the exception class.
*
* @param string $message Error message
* @param integer $code Error code
* @throws Zend_Service_Nirvanix_Exception
* @return void
*/
protected function _throwException($message, $code = null)
{
/**
* @see Zend_Service_Nirvanix_Exception
*/
require_once 'Zend/Service/Nirvanix/Exception.php';
throw new Zend_Service_Nirvanix_Exception($message, $code);
}
}