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<?php
/* Connect to the database and build services */

class ServiceFactory {
	function ServiceFactory(&$db, $serviceoverrules = array()) {
	}

	function &getServiceInstance($name, $servicedir = NULL) {
		global $dbhost, $dbuser, $dbpass, $dbname, $dbport, $dbpersist, $dbtype;
		static $instances = array();
		static $db;
		if (!isset($db)) {
			require_once(dirname(__FILE__) .'/../includes/db/'. $dbtype .'.php');
			$db = new sql_db();
			$db->sql_connect($dbhost, $dbuser, $dbpass, $dbname, $dbport, $dbpersist);
			if(!$db->db_connect_id) {
				message_die(CRITICAL_ERROR, "Could not connect to the database", $db);
			}
		}		
		
		if (!isset($instances[$name])) {
			if (isset($serviceoverrules[$name])) {
				$name = $serviceoverrules[$name];
			}
			if (!class_exists($name)) {
				if (!isset($servicedir)) {
					$servicedir = dirname(__FILE__) .'/';
				}
								
				require_once($servicedir . strtolower($name) . '.php');
			}
			$instances[$name] = call_user_func(array($name, 'getInstance'), $db);
		}
		return $instances[$name];
	}
}
?>