diff -r 000000000000 -r 7f95f8617b0b vendor/doctrine-dbal/lib/Doctrine/DBAL/DriverManager.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/doctrine-dbal/lib/Doctrine/DBAL/DriverManager.php Sat Sep 24 15:40:41 2011 +0200 @@ -0,0 +1,161 @@ +. + */ + +namespace Doctrine\DBAL; + +use Doctrine\Common\EventManager; + +/** + * Factory for creating Doctrine\DBAL\Connection instances. + * + * @author Roman Borschel + * @since 2.0 + */ +final class DriverManager +{ + /** + * List of supported drivers and their mappings to the driver classes. + * + * @var array + * @todo REMOVE. Users should directly supply class names instead. + */ + private static $_driverMap = array( + 'pdo_mysql' => 'Doctrine\DBAL\Driver\PDOMySql\Driver', + 'pdo_sqlite' => 'Doctrine\DBAL\Driver\PDOSqlite\Driver', + 'pdo_pgsql' => 'Doctrine\DBAL\Driver\PDOPgSql\Driver', + 'pdo_oci' => 'Doctrine\DBAL\Driver\PDOOracle\Driver', + 'oci8' => 'Doctrine\DBAL\Driver\OCI8\Driver', + 'ibm_db2' => 'Doctrine\DBAL\Driver\IBMDB2\DB2Driver', + 'pdo_ibm' => 'Doctrine\DBAL\Driver\PDOIbm\Driver', + 'pdo_sqlsrv' => 'Doctrine\DBAL\Driver\PDOSqlsrv\Driver', + ); + + /** Private constructor. This class cannot be instantiated. */ + private function __construct() { } + + /** + * Creates a connection object based on the specified parameters. + * This method returns a Doctrine\DBAL\Connection which wraps the underlying + * driver connection. + * + * $params must contain at least one of the following. + * + * Either 'driver' with one of the following values: + * pdo_mysql + * pdo_sqlite + * pdo_pgsql + * pdo_oracle + * pdo_sqlsrv + * + * OR 'driverClass' that contains the full class name (with namespace) of the + * driver class to instantiate. + * + * Other (optional) parameters: + * + * user (string): + * The username to use when connecting. + * + * password (string): + * The password to use when connecting. + * + * driverOptions (array): + * Any additional driver-specific options for the driver. These are just passed + * through to the driver. + * + * pdo: + * You can pass an existing PDO instance through this parameter. The PDO + * instance will be wrapped in a Doctrine\DBAL\Connection. + * + * wrapperClass: + * You may specify a custom wrapper class through the 'wrapperClass' + * parameter but this class MUST inherit from Doctrine\DBAL\Connection. + * + * @param array $params The parameters. + * @param Doctrine\DBAL\Configuration The configuration to use. + * @param Doctrine\Common\EventManager The event manager to use. + * @return Doctrine\DBAL\Connection + */ + public static function getConnection( + array $params, + Configuration $config = null, + EventManager $eventManager = null) + { + // create default config and event manager, if not set + if ( ! $config) { + $config = new Configuration(); + } + if ( ! $eventManager) { + $eventManager = new EventManager(); + } + + // check for existing pdo object + if (isset($params['pdo']) && ! $params['pdo'] instanceof \PDO) { + throw DBALException::invalidPdoInstance(); + } else if (isset($params['pdo'])) { + $params['pdo']->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); + $params['driver'] = 'pdo_' . $params['pdo']->getAttribute(\PDO::ATTR_DRIVER_NAME); + } else { + self::_checkParams($params); + } + if (isset($params['driverClass'])) { + $className = $params['driverClass']; + } else { + $className = self::$_driverMap[$params['driver']]; + } + + $driver = new $className(); + + $wrapperClass = 'Doctrine\DBAL\Connection'; + if (isset($params['wrapperClass'])) { + if (is_subclass_of($params['wrapperClass'], $wrapperClass)) { + $wrapperClass = $params['wrapperClass']; + } else { + throw DBALException::invalidWrapperClass($params['wrapperClass']); + } + } + + return new $wrapperClass($params, $driver, $config, $eventManager); + } + + /** + * Checks the list of parameters. + * + * @param array $params + */ + private static function _checkParams(array $params) + { + // check existance of mandatory parameters + + // driver + if ( ! isset($params['driver']) && ! isset($params['driverClass'])) { + throw DBALException::driverRequired(); + } + + // check validity of parameters + + // driver + if ( isset($params['driver']) && ! isset(self::$_driverMap[$params['driver']])) { + throw DBALException::unknownDriver($params['driver'], array_keys(self::$_driverMap)); + } + + if (isset($params['driverClass']) && ! in_array('Doctrine\DBAL\Driver', class_implements($params['driverClass'], true))) { + throw DBALException::invalidDriverClass($params['driverClass']); + } + } +} \ No newline at end of file