<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/

/**
* Class to work with bzip2 archives
*
* @author Magento Core Team <core@magentocommerce.com>
*/
namespace Magento\Framework\Archive;

class Bz extends \Magento\Framework\Archive\AbstractArchive implements \Magento\Framework\Archive\ArchiveInterface
{
/**
* Pack file by BZIP2 compressor.
*
* @param string $source
* @param string $destination
* @return string
*/
public function pack($source, $destination)
{
$fileReader = new \Magento\Framework\Archive\Helper\File($source);
$fileReader->open('r');

$archiveWriter = new \Magento\Framework\Archive\Helper\File\Bz($destination);
$archiveWriter->open('w');

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

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

return $destination;
}

/**
* Unpack file by BZIP2 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;
}

$archiveReader = new \Magento\Framework\Archive\Helper\File\Bz($source);
$archiveReader->open('r');

$fileWriter = new \Magento\Framework\Archive\Helper\File($destination);
$fileWriter->open('w');

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

return $destination;
}
}