"EEE MMM d yyyy HH:mm:ss z",
  )

private val BROWSER_COMPATIBLE_DATE_FORMATS =
  arrayOfNulls<DateFormat>(BROWSER_COMPATIBLE_DATE_FORMAT_STRINGS.size)

/** Returns the date for this string, or null if the value couldn't be parsed. */
fun String.toHttpDateOrNull(): Date? {
  if (isEmpty()) return null

  val position = ParsePosition(0)
  var result = STANDARD_DATE_FORMAT.get().parse(this, position)
  if (position.index == length) {

        final Date date = toDate("10/9/7");
        assertThat(new SimpleDateFormat("yyyy/MM/dd").format(date), is("2010/09/07"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_MediumStyle() throws Exception {
        final Date date = toDate("2010/9/7");
        assertThat(new SimpleDateFormat("yyyy/MM/dd").format(date), is("2010/09/07"));
    }

    /**

		},
		{ // Expiration with invalid date
			inputXML: ` <Expiration>
                                    <Date>invalid date</Date>
                                    </Expiration>`,
			expectedErr: errLifecycleInvalidDate,
		},
		{ // Expiration with both number of days nor a date
			inputXML: `<Expiration>
		                    <Date>2019-04-20T00:01:00Z</Date>
		                    </Expiration>`,

        final Date date = toDate("11:49");
        assertThat(new SimpleDateFormat("HH:mm:ss").format(date), is("11:49:00"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_MediumStyle() throws Exception {
        final Date date = toDate("11:49:10");
        assertThat(new SimpleDateFormat("HH:mm:ss").format(date), is("11:49:10"));
    }

    /**

		return nil
	}
	return e.EncodeElement(int(eDays), startElement)
}

// ExpirationDate is a embedded type containing time.Time to unmarshal
// Date in Expiration
type ExpirationDate struct {
	time.Time
}

// UnmarshalXML parses date from Expiration and validates date format
func (eDate *ExpirationDate) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
	var dateStr string

    }

    public void test_parseDate() {
        Date date;

        date = FessFunctions.parseDate("");
        assertNull(date);

        date = FessFunctions.parseDate("2004-04-01T12:34:56.123Z");
        assertEquals("2004-04-01T12:34:56.123Z", FessFunctions.formatDate(date));

        date = FessFunctions.parseDate("2004-04-01T12:34:56Z");

        asDocMeta().version(version);
    }

    public Date getExpires() {
        if (getExpiredTime() == null) {
            return null;
        }
        return new Date(getExpiredTime());
    }

    public void setExpires(final Date date) {
        setExpiredTime(date != null ? date.getTime() : null);
    }

    @Override
    public String toString() {

     * @throws Exception
     */
    @Test
    public void testGetAsObjectAndGetAsString() throws Exception {
        final SqlDateConverter converter = new SqlDateConverter("yyyy/MM/dd");
        final java.sql.Date result = (java.sql.Date) converter.getAsObject("2008/01/16");
        System.out.println(result);
        assertThat(converter.getAsString(result), is("2008/01/16"));
    }

    /**
     * @throws Exception
     */
    @Test

    public static final String DATE_FORMAT_ISO_8601_BASIC = "yyyyMMdd'T'HHmmss.SSSZ";

    public static final String DATE_FORMAT_ISO_8601_EXTEND = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";

    public static final String DATE_FORMAT_ISO_8601_EXTEND_UTC = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    public static final String DATE_FORMAT_DIGIT_ONLY = "yyyyMMddHHmmss";

    protected CoreLibConstants() {
    }

type preSignValues struct {
	signValues
	Date    time.Time
	Expires time.Duration
}

// Parses signature version '4' query string of the following form.
//
//	querystring = X-Amz-Algorithm=algorithm
//	querystring += &X-Amz-Credential= urlencode(accessKey + '/' + credential_scope)
//	querystring += &X-Amz-Date=date
//	querystring += &X-Amz-Expires=timeout interval