public static String formatIso8601ForCCTray(Date date) {
        if (date == null) {
            return null;
        }
        return formatterUtc.print(date.getTime());
    }
@Test
    public void shouldSerializeDateForCcTray() {
        Date date = new DateTime("2008-12-09T18:56:14+08:00").toDate();
        assertThat(DateUtils.formatIso8601ForCCTray(date), is("2008-12-09T10:56:14Z"));
    }