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<?php
/*------------------------------------------------------------------------
# Copyright (C) 2005-2012 WebxSolution Ltd. All Rights Reserved.
# @license - GPLv2.0
# Author: WebxSolution Ltd
# Websites: http://www.webxsolution.com
# Terms of Use: An extension that is derived from the JoomlaCK editor will only be allowed under the following conditions: http://joomlackeditor.com/terms-of-use
# ------------------------------------------------------------------------*/
defined( '_JEXEC' ) or die;
defined('JPATH_BASE') or die();
jimport('joomla.installer.installer');
class JCKRestorer extends JInstaller
{
/**
* Returns a reference to the global Installer object, only creating it
* if it doesn't already exist.
*
* @static
* @return object An installer object
* @since 1.5
*/
public static function &getInstance()
{
static $instance;
if (!isset ($instance)) {
$instance = new JCKRestorer();
}
return $instance;
}
/**
* Set an installer adapter by name
*
* @access public
* @param string $name Adapter name
* @param object $adapter Installer adapter object
* @return boolean True if successful
* @since 1.5
*/
public function setAdapter($name, &$adapter = null,$options = array())
{
// Check if valid extension type
if( $name == 'plugin' || $name == 'language' || $name == 'skin' || $name== 'backup'){
if (!is_object($adapter))
{
// Try to load the adapter object
require_once(dirname(__FILE__).DS. '..'.DS.'restorers'.DS.strtolower($name).'.php');
$class = 'JCKRestorer'.ucfirst($name);
if (!class_exists($class)) {
return false;
}
$adapter = new $class($this);
$adapter->parent =& $this;
}
$this->_adapters[$name] = $adapter;
return true;
}else{
$this->abort(JText::_('Incorrect version!'));
}
}
/**
* Is the XML file a valid Joomla installation manifest file.
*
* @param string $file An xmlfile path to check
*
* @return mixed A SimpleXMLElement, or null if the file failed to parse
*
* @since 11.1
*/
public function isManifest($file)
{
$xml = simplexml_load_file($file);
// If we cannot load the XML file return null
if (!$xml)
{
return null;
}
// Check for a valid XML root tag.
if ($xml->getName() != 'extension' && $xml->getName() != 'install')
{
return null;
}
// Valid manifest file return the object
return $xml;
}
}