Your IP : 216.73.216.165
<?php
/**
* ANGIE - The site restoration script for backup archives created by Akeeba Backup and Akeeba Solo
*
* @package angie
* @copyright Copyright (c)2009-2023 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
defined('_AKEEBA') or die();
/**
* This file may contain code from the Joomla! Platform, Copyright (c) 2005 -
* 2012 Open Source Matters, Inc. This file is NOT part of the Joomla! Platform.
* It is derivative work and clearly marked as such as per the provisions of the
* GNU General Public License.
*/
/**
* Joomla Platform Database Factory class
*/
class ADatabaseFactory
{
/**
* Contains the current ADatabaseFactory instance
*
* @var ADatabaseFactory
* @since 12.1
*/
private static $_instance = null;
/**
* Method to return a ADatabaseDriver instance based on the given options. There are three global options and then
* the rest are specific to the database driver. The 'database' option determines which database is to
* be used for the connection. The 'select' option determines whether the connector should automatically select
* the chosen database.
*
* Instances are unique to the given options and new objects are only created when a unique options array is
* passed into the method. This ensures that we don't end up with unnecessary database connection resources.
*
* @param string $name Name of the database driver you'd like to instantiate
* @param array $options Parameters to be passed to the database driver.
*
* @return ADatabaseDriver A database driver object.
*/
public function getDriver($name = 'mysqli', $options = array())
{
// Sanitize the database connector options.
$options['driver'] = preg_replace('/[^A-Z0-9_\.-]/i', '', $name);
$options['database'] = (isset($options['database'])) ? $options['database'] : null;
$options['select'] = (isset($options['select'])) ? $options['select'] : true;
// Derive the class name from the driver.
$class = 'ADatabaseDriver' . ucfirst(strtolower($options['driver']));
// If the class still doesn't exist we have nothing left to do but throw an exception. We did our best.
if (!class_exists($class))
{
throw new RuntimeException(sprintf('Unable to load Database Driver: %s', $options['driver']));
}
// Create our new ADatabaseDriver connector based on the options given.
try
{
$instance = new $class($options);
}
catch (RuntimeException $e)
{
throw new RuntimeException(sprintf('Unable to connect to the Database: %s', $e->getMessage()));
}
return $instance;
}
/**
* Gets an instance of the factory object.
*
* @return ADatabaseFactory
*/
public static function getInstance()
{
return self::$_instance ? self::$_instance : new ADatabaseFactory;
}
/**
* Get the current query object or a new ADatabaseQuery object.
*
* @param string $name Name of the driver you want an importer for.
* @param ADatabaseDriver $db Optional ADatabaseDriver instance
*
* @return ADatabaseQuery The current query object or a new object extending the ADatabaseQuery class.
*
* @throws RuntimeException
*/
public function getQuery($name, ADatabaseDriver $db = null)
{
// Derive the class name from the driver.
$class = 'ADatabaseQuery' . ucfirst(strtolower($name));
// Make sure we have a query class for this driver.
if (!class_exists($class))
{
// If it doesn't exist we are at an impasse so throw an exception.
throw new RuntimeException('Database Query class not found');
}
return new $class($db);
}
/**
* Gets an instance of a factory object to return on subsequent calls of getInstance.
*
* @param ADatabaseFactory $instance A ADatabaseFactory object.
*
* @return void
*/
public static function setInstance(ADatabaseFactory $instance = null)
{
self::$_instance = $instance;
}
}