databasefactory.php

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<?php
defined('XOOPS_ROOT_PATH') or die('Restricted access');

class XoopsDatabaseFactory
{
    function XoopsDatabaseFactory()
    {
    }

    static function &getDatabaseConnection()
    {
        static $instance;
        if (!isset($instance)) {
            if (file_exists($file = XOOPS_ROOT_PATH . '/class/database/' . XOOPS_DB_TYPE . 'database.php')) {
                require_once $file;

                if (!defined('XOOPS_DB_PROXY')) {
                    $class = 'Xoops' . ucfirst(XOOPS_DB_TYPE) . 'DatabaseSafe';
                } else {
                    $class = 'Xoops' . ucfirst(XOOPS_DB_TYPE) . 'DatabaseProxy';
                }

                $xoopsPreload =& XoopsPreload::getInstance();
                $xoopsPreload->triggerEvent('core.class.database.databasefactory.connection', array(&$class));

                $instance = new $class();
                $instance->setLogger(XoopsLogger::getInstance());
                $instance->setPrefix(XOOPS_DB_PREFIX);
                if (!$instance->connect()) {
                    trigger_error('notrace:Unable to connect to database', E_USER_ERROR);
                }
            } else {
                trigger_error('notrace:Failed to load database of type: ' . XOOPS_DB_TYPE . ' in file: ' . __FILE__ . ' at line ' . __LINE__, E_USER_WARNING);
            }
        }
        return $instance;
    }

    static function getDatabase()
    {
        static $database;
        if (!isset($database)) {
            if (file_exists($file = XOOPS_ROOT_PATH . '/class/database/' . XOOPS_DB_TYPE . 'database.php')) {
                include_once $file;
                if (!defined('XOOPS_DB_PROXY')) {
                    $class = 'Xoops' . ucfirst(XOOPS_DB_TYPE) . 'DatabaseSafe';
                } else {
                    $class = 'Xoops' . ucfirst(XOOPS_DB_TYPE) . 'DatabaseProxy';
                }
                unset($database);
                $database = new $class();
            } else {
                trigger_error('notrace:Failed to load database of type: ' . XOOPS_DB_TYPE . ' in file: ' . __FILE__ . ' at line ' . __LINE__, E_USER_WARNING);
            }
        }
        return $database;
    }
}

?>