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Path: /data/applications/aps.bak/magento/1.7.0.2-6/standard/htdocs/lib/Mage/Archive/ [ Home ]
File: Gz.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_Archive
 * @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)
 */

/**
 * Class to work with gz archives
 *
 * @category    Mage
 * @package     Mage_Archive
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Archive_Gz extends Mage_Archive_Abstract implements Mage_Archive_Interface
{
    /**
    * Pack file by GZ compressor.
    *
    * @param string $source
    * @param string $destination
    * @return string
    */
    public function pack($source, $destination)
    {
        $fileReader = new Mage_Archive_Helper_File($source);
        $fileReader->open('r');

        $archiveWriter = new Mage_Archive_Helper_File_Gz($destination);
        $archiveWriter->open('wb9');

        while (!$fileReader->eof()) {
            $archiveWriter->write($fileReader->read());
        }

        $fileReader->close();
        $archiveWriter->close();

        return $destination;
    }

    /**
    * Unpack file by GZ compressor.
    *
    * @param string $source
    * @param string $destination
    * @return string
    */
    public function unpack($source, $destination)
    {
        if (is_dir($destination)) {
            $file = $this->getFilename($source);
            $destination = $destination . $file;
        }

        $archiveReader = new Mage_Archive_Helper_File_Gz($source);
        $archiveReader->open('r');

        $fileWriter = new Mage_Archive_Helper_File($destination);
        $fileWriter->open('w');

        while (!$archiveReader->eof()) {
            $fileWriter->write($archiveReader->read());
        }

        return $destination;
    }
}