david
802479ed64
git-svn-id: https://192.168.0.254/svn/Proyectos.FundacionLQDVI_WebCongresos/trunk@2 94ccb1af-fd9d-d947-8d90-7f70ea60afc8
90 lines
2.4 KiB
PHP
90 lines
2.4 KiB
PHP
<?php
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/**
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* @version $Id:bzip2.php 6961 2007-03-15 16:06:53Z tcp $
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* @package Joomla.Framework
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* @subpackage FileSystem
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* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
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* @license GNU/GPL, see LICENSE.php
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* Joomla! is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*/
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// Check to ensure this file is within the rest of the framework
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defined('JPATH_BASE') or die();
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/**
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* Bzip2 format adapter for the JArchive class
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*
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* @package Joomla.Framework
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* @subpackage FileSystem
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* @since 1.5
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*/
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class JArchiveBzip2 extends JObject
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{
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/**
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* Bzip2 file data buffer
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* @var string
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*/
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var $_data = null;
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/**
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* Constructor tries to load the bz2 extension of not loaded
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*
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* @access protected
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* @return void
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* @since 1.5
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*/
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function __construct()
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{
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// Is bz2 extension loaded? If not try to load it
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if (!extension_loaded('bz2')) {
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if (JPATH_ISWIN) {
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@ dl('php_bz2.dll');
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} else {
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@ dl('bz2.so');
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}
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}
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}
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/**
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* Extract a Bzip2 compressed file to a given path
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*
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* @access public
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* @param string $archive Path to Bzip2 archive to extract
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* @param string $destination Path to extract archive to
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* @param array $options Extraction options [unused]
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* @return boolean True if successful
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* @since 1.5
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*/
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function extract($archive, $destination, $options = array ())
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{
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// Initialize variables
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$this->_data = null;
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if (!extension_loaded('bz2')) {
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$this->set('error.message', 'BZip2 Not Supported');
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return JError::raiseWarning(100, $this->get('error.message'));
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}
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if (!$this->_data = JFile::read($archive)) {
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$this->set('error.message', 'Unable to read archive');
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return JError::raiseWarning(100, $this->get('error.message'));
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}
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$buffer = bzdecompress($this->_data);
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if (empty ($buffer)) {
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$this->set('error.message', 'Unable to decompress data');
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return JError::raiseWarning(100, $this->get('error.message'));
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}
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if (JFile::write($destination, $buffer) === false) {
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$this->set('error.message', 'Unable to write archive');
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return JError::raiseWarning(100, $this->get('error.message'));
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}
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return true;
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}
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}
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