String dbUrl = getDbUrl();
String dbUrl = SampleDBConstants.getDBUrl( );
	public Connection getConnection( String driverClass, String url,			Properties connectionProperties ) throws SQLException	{		if ( ! driverClass.equals( SampleDBConstants.DRIVER_CLASS) )		{			// This is unexpected; we shouldn't be getting this call			logger.log( Level.SEVERE, "Unexpected driverClass: " + driverClass );			throw new SQLException("Unexpected driverClass " + driverClass);		}		if ( ! url.equals(SampleDBConstants.DRIVER_URL) )		{			// Wrong url			logger.log( Level.WARNING, "Unexpected url: " + url );			throw new SQLException("Classic Models Inc. Sample Database Driver does not recognize url: " + driverClass);		}		String dbUrl = getDbUrl();				// Copy connection properties and replace user and password with fixed value		Properties props;		if ( connectionProperties != null )			props = (Properties)connectionProperties.clone();		else 			props = new Properties(); 		props.put( "user", SampleDBConstants.SAMPLE_DB_SCHEMA);		props.put( "password", "" );				try		{			return JDBCDriverManager.getInstance().getConnection( 					SampleDBConstants.DERBY_DRIVER_CLASS, dbUrl, props );		}		catch (OdaException e)		{			throw new SQLException(e.getLocalizedMessage());		}	}