isOracle = driver != null && driver.startsWith("oracle.jdbc.driver");
    private void init() throws ClassNotFoundException {        lastRead = (defaultProps == null) ? props.lastModified()                                          : Math.max(props.lastModified(),                                                     defaultProps.lastModified());        url = props.getProperty(name + ".url");        driver = props.getProperty(name + ".driver");        Class.forName(driver);        user = props.getProperty(name + ".user");        password = props.getProperty(name + ".password");    }