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Path: /data/applications/aps.bak/magento/1.7.0.2-6/standard/htdocs/lib/Mage/HTTP/ [ Home ]
File: Client.php
<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * 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@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Connect
 * @copyright   Copyright (c) 2009 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Factory for HTTP client classes
 *
 * @category    Mage
 * @package     Mage_Connect
 * @author      Magento Core Team <core@magentocommerce.com>
 */
 
class Mage_HTTP_Client
{

	/**
	 * Disallow to instantiate - pvt constructor
	 */
	private function __construct()
	{
		
	}
	

	/**
	 * Factory for HTTP client
	 * @param string/false $frontend  'curl'/'socket' or false for auto-detect
	 * @return Mage_HTTP_IClient
	 */
	public static function getInstance($frontend = false) 
	{
		if(false === $frontend)  
		{
            $frontend = self::detectFrontend();            			
		}
		if(false === $frontend)
		{ 
			throw new Exception("Cannot find frontend automatically, set it manually");
		}
		
		$class = __CLASS__."_".str_replace(' ', DIRECTORY_SEPARATOR, ucwords(str_replace('_', ' ', $frontend)));
		$obj = new $class();
		return $obj;
	}
	
	/**
	 * Detects frontend type.
	 * Priority is given to CURL
	 * 
	 * @return string/bool
	 */
	protected static function detectFrontend()
	{
	   if(function_exists("curl_init")) {
	   	   return "curl";	   	
	   }
	   if(function_exists("fsockopen")) {
	   	   return "socket";
	   }
	   return false;	   
	}
}