<?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) 2010 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Convert parser abstract
 *
 * @category   Mage
 * @package    Mage_Dataflow
 * @author      Magento Core Team <core@magentocommerce.com>
 */
abstract class Mage_Dataflow_Model_Convert_Parser_Abstract
    extends Mage_Dataflow_Model_Convert_Container_Abstract
    implements Mage_Dataflow_Model_Convert_Parser_Interface
{
    /**
     * Dataflow batch model
     *
     * @var Mage_Dataflow_Model_Batch
     */
    protected $_batch;

    /**
     * Dataflow batch export model
     *
     * @var Mage_Dataflow_Model_Batch_Export
     */
    protected $_batchExport;

    /**
     * Dataflow batch import model
     *
     * @var Mage_Dataflow_Model_Batch_Import
     */
    protected $_batchImport;

    /**
     * Count parse rows
     *
     * @var int
     */
    protected $_countRows = 0;

    /**
     * Retrieve Batch model singleton
     *
     * @return Mage_Dataflow_Model_Batch
     */
    public function getBatchModel()
    {
        if (is_null($this->_batch)) {
            $this->_batch = Mage::getSingleton('dataflow/batch');
        }
        return $this->_batch;
    }

    /**
     * Retrieve Batch export model
     *
     * @return Mage_Dataflow_Model_Batch_Export
     */
    public function getBatchExportModel()
    {
        if (is_null($this->_batchExport)) {
            $object = Mage::getModel('dataflow/batch_export');
            $this->_batchExport = Varien_Object_Cache::singleton()->save($object);
        }
        return Varien_Object_Cache::singleton()->load($this->_batchExport);
    }

    /**
     * Retrieve Batch import model
     *
     * @return Mage_Dataflow_Model_Import_Export
     */
    public function getBatchImportModel()
    {
        if (is_null($this->_batchImport)) {
            $object = Mage::getModel('dataflow/batch_import');
            $this->_batchImport = Varien_Object_Cache::singleton()->save($object);
        }
        return Varien_Object_Cache::singleton()->load($this->_batchImport);
    }

    protected function _copy($file)
    {
        $ioAdapter = new Varien_Io_File();
        if (!$ioAdapter->fileExists($file)) {
            Mage::throwException(Mage::helper('dataflow')->__('File "%s" does not exist.', $file));
        }

        $ioAdapter->setAllowCreateFolders(true);
        $ioAdapter->createDestinationDir($this->getBatchModel()->getIoAdapter()->getPath());

        return $ioAdapter->cp($file, $this->getBatchModel()->getIoAdapter()->getFile(true));
    }
}