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161 lines
3.9 KiB
PHP
161 lines
3.9 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Service_Amazon
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* @subpackage Ec2
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Response.php 16971 2009-07-22 18:05:45Z mikaelkael $
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*/
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require_once 'Zend/Http/Response.php';
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/**
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* @category Zend
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* @package Zend_Service_Amazon
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* @subpackage Ec2
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Service_Amazon_Ec2_Response {
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/**
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* XML namespace used for EC2 responses.
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*/
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protected $_xmlNamespace = 'http://ec2.amazonaws.com/doc/2009-04-04/';
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/**
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* The original HTTP response
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*
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* This contains the response body and headers.
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*
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* @var Zend_Http_Response
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*/
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private $_httpResponse = null;
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/**
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* The response document object
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*
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* @var DOMDocument
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*/
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private $_document = null;
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/**
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* The response XPath
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*
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* @var DOMXPath
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*/
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private $_xpath = null;
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/**
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* Last error code
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*
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* @var integer
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*/
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private $_errorCode = 0;
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/**
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* Last error message
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*
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* @var string
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*/
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private $_errorMessage = '';
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/**
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* Creates a new high-level EC2 response object
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*
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* @param Zend_Http_Response $httpResponse the HTTP response.
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*/
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public function __construct(Zend_Http_Response $httpResponse)
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{
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$this->_httpResponse = $httpResponse;
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}
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/**
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* Gets the XPath object for this response
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*
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* @return DOMXPath the XPath object for response.
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*/
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public function getXPath()
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{
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if ($this->_xpath === null) {
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$document = $this->getDocument();
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if ($document === false) {
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$this->_xpath = false;
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} else {
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$this->_xpath = new DOMXPath($document);
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$this->_xpath->registerNamespace('ec2',
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$this->getNamespace());
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}
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}
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return $this->_xpath;
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}
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/**
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* Gets the document object for this response
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*
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* @return DOMDocument the DOM Document for this response.
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*/
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public function getDocument()
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{
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try {
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$body = $this->_httpResponse->getBody();
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} catch (Zend_Http_Exception $e) {
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$body = false;
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}
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if ($this->_document === null) {
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if ($body !== false) {
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// turn off libxml error handling
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$errors = libxml_use_internal_errors();
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$this->_document = new DOMDocument();
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if (!$this->_document->loadXML($body)) {
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$this->_document = false;
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}
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// reset libxml error handling
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libxml_clear_errors();
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libxml_use_internal_errors($errors);
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} else {
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$this->_document = false;
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}
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}
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return $this->_document;
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}
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/**
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* Return the current set XML Namespace.
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*
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* @return string
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*/
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public function getNamespace()
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{
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return $this->_xmlNamespace;
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}
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/**
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* Set a new XML Namespace
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*
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* @param string $namespace
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*/
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public function setNamespace($namespace)
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{
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$this->_xmlNamespace = $namespace;
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}
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}
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