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

/**
 * Extended version of Mage_Archive_Tar that supports filtering
 *
 * @category    Mage
 * @package     Mage_Backup
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Backup_Archive_Tar extends Mage_Archive_Tar
{
    /**
     * Filenames or filename parts that are used for filtering files
     *
     * @var array()
     */
    protected $_skipFiles = array();

    /**
     * Overridden Mage_Archive_Tar::_createTar method that does the same actions as it's parent but filters
     * files using Mage_Backup_Filesystem_Iterator_Filter
     *
     * @see Mage_Archive_Tar::_createTar()
     * @param bool $skipRoot
     * @param bool $finalize
     */
    protected function _createTar($skipRoot = false, $finalize = false)
    {
        $path = $this->_getCurrentFile();

        $filesystemIterator = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($path), RecursiveIteratorIterator::SELF_FIRST
        );

        $iterator = new Mage_Backup_Filesystem_Iterator_Filter($filesystemIterator, $this->_skipFiles);

        foreach ($iterator as $item) {
            $this->_setCurrentFile($item->getPathname());
            $this->_packAndWriteCurrentFile();
        }

        if ($finalize) {
            $this->_getWriter()->write(str_repeat("\0", self::TAR_BLOCK_SIZE * 12));
        }
    }

    /**
     * Set files that shouldn't be added to tarball
     *
     * @param array $skipFiles
     * @return Mage_Backup_Archive_Tar
     */
    public function setSkipFiles(array $skipFiles)
    {
        $this->_skipFiles = $skipFiles;
        return $this;
    }
}