<?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_Dataflow
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Convert CURL HTTP adapter
 *
 * @category   Mage
 * @package    Mage_Dataflow
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Dataflow_Model_Convert_Adapter_Http_Curl extends Mage_Dataflow_Model_Convert_Adapter_Abstract
{

    // load method
    public function load()
    {
        // we expect <var name="uri">http://...</var>
        $uri = $this->getVar('uri');

        // validate input parameter
        if (!Zend_Uri::check($uri)) {
            $this->addException("Expecting a valid 'uri' parameter");
        }

        // use Varien curl adapter
        $http = new Varien_Http_Adapter_Curl();

        // send GET request
        $http->write('GET', $uri);

        // read the remote file
        $data = $http->read();

        $http->close();

        $data = preg_split('/^\r?$/m', $data, 2);
        $data = trim($data[1]);

        // save contents into container
        $this->setData($data);

        return $this;
    }

    public function save()
    {
        // no save implemented
        return $this;
    }

}
