code: public static Date parseRFC1123DateFromStringInGMT(final String value) throws ParseException {
          final DateFormat format = new SimpleDateFormat(RFC1123_GMT_PATTERN, Utility.LOCALE_US);
          format.setTimeZone(GMT_ZONE);
          return format.parse(value);
      }
docs: Returns a GMT date for the specified string in the RFC1123 pattern.
  
  @param value
  A <code>String</code> that represents the string to parse.
  
  @return A <code>Date</code> object that represents the GMT date in the RFC1123 pattern.
  
  @throws ParseException
  If the specified string is invalid.