public static String castToString(DateTime dt, int format) { if (format == DateTimeFormat_W3_dateTime) /* Format as schema dateTime */ { return dt.toString(); } if (format == DateTimeFormat_W3_date) /* Format as schema date */ { return dt.toDateString(true); } if (format == DateTimeFormat_W3_time) /* Format as schema time */ { return dt.toTimeString(); } if (format == DateTimeFormat_W3_gYear) /* Format as schema gYear */ { String result = ""; int year = dt.getYear(); if (year < 0) { result += '-'; year = -year; } result += formatNumber(year, 4); if (dt.hasTimezone() != CalendarBase.TZ_MISSING) result = formatTimezone(dt.getTimezoneOffset()); return result; } if (format == DateTimeFormat_W3_gYearMonth) /* Format as schema gYearMonth */ { String result = ""; int year = dt.getYear(); int month = dt.getMonth(); if (year < 0) { result += '-'; year = -year; } result += formatNumber(year, 4); result += '-'; result += formatNumber(month, 2); if (dt.hasTimezone() != CalendarBase.TZ_MISSING) result += formatTimezone(dt.getTimezoneOffset()); return result; } if (format == DateTimeFormat_W3_gMonth) /* Format as schema gMonth */ { String result = "--"; int month = dt.getMonth(); result += formatNumber(month, 2); if (dt.hasTimezone() != CalendarBase.TZ_MISSING) formatTimezone(dt.getTimezoneOffset()); return result; } if (format == DateTimeFormat_W3_gMonthDay) /* Format as schema gMonthDay */ { String result = "--"; int month = dt.getMonth(); int day = dt.getDay(); result += formatNumber(month, 2); result += '-'; result += formatNumber(day, 2); if (dt.hasTimezone() != CalendarBase.TZ_MISSING) result += formatTimezone(dt.getTimezoneOffset()); return result; } if (format == DateTimeFormat_W3_gDay) /* Format as schema gDay */ { String result = "---"; int day = dt.getDay(); result += formatNumber(day, 2); if (dt.hasTimezone() != CalendarBase.TZ_MISSING) result += formatTimezone(dt.getTimezoneOffset()); return result; } if (format == DateTimeFormat_S_DateTime) /* Format as standard DateTime "YYYY-MM-DD HH:MM:SS" */ { StringBuffer s = new StringBuffer(); s.append(dt.toDateString()); s.append(" "); s.append(dt.toTimeString()); return s.toString(); } if (format == DateTimeFormat_S_Seconds) /* Format as number of seconds since epoch */ { String result = ""; long milliseconds = dt.getTimeValue(); if (milliseconds < 0) { result += '-'; milliseconds = -milliseconds; } result += formatNumber(milliseconds / 1000, 1); result += formatFraction(milliseconds % 1000, 7); if (dt.hasTimezone() != CalendarBase.TZ_MISSING) result += formatTimezone(dt.getTimezoneOffset()); return result; } if (format == DateTimeFormat_S_Days) /* Format as number of days since epoch */ { String result = ""; long milliseconds = dt.getTimeValue(); if (milliseconds < 0) { result += '-'; milliseconds = -milliseconds; } result += formatNumber(milliseconds / (86400 * 1000), 1); result += formatFraction(milliseconds % (86400 * 1000), 7); if (dt.hasTimezone() != CalendarBase.TZ_MISSING) result += formatTimezone(dt.getTimezoneOffset()); return result; } throw new IllegalArgumentException("Unsupported datetime format."); }
public static BigInteger GYearToInteger(DateTime dt) { return BigInteger.valueOf((long) dt.getYear()); }
public static String castToString(DateTime dt) { return dt.toString(); }
public static DateTime castToDateTime(String s) { if (s == null) throw new java.lang.NullPointerException(); if (s.length() == 0) throw new IllegalArgumentException("Cast to DateTime failed."); return DateTime.parse(s); }