if (rs != null) return rs.c.getIscEncoding(); else if (ps != null) return ps.c.getIscEncoding();
if (connection != null) return connection.getIscEncoding();
    private String getIscEncoding() {        if (rs != null)            return rs.c.getIscEncoding();        else        if (ps != null)            return ps.c.getIscEncoding();        else            return "NONE";    }