From b17ce13cc31abd088088bf8ab26cc924a6a36585 Mon Sep 17 00:00:00 2001 From: CGantert345 <57003061+CGantert345@users.noreply.github.com> Date: Tue, 28 Jul 2020 17:57:25 +0200 Subject: Draft of the new DOSIPAS included --- src/org/uic/ticket/api/asn/omv2/DateTimeUtils.java | 198 +++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 src/org/uic/ticket/api/asn/omv2/DateTimeUtils.java (limited to 'src/org/uic/ticket/api/asn/omv2/DateTimeUtils.java') diff --git a/src/org/uic/ticket/api/asn/omv2/DateTimeUtils.java b/src/org/uic/ticket/api/asn/omv2/DateTimeUtils.java new file mode 100644 index 0000000..005e27d --- /dev/null +++ b/src/org/uic/ticket/api/asn/omv2/DateTimeUtils.java @@ -0,0 +1,198 @@ +package org.uic.ticket.api.asn.omv2; + +import java.util.Calendar; +import java.util.Date; +import java.util.TimeZone; +import java.util.concurrent.TimeUnit; + +public class DateTimeUtils { + + public static Long getDateDifference(Date issuingDate, Date localDate) { + + if (issuingDate == null || localDate == null) return null; + + Calendar issuingCal = Calendar.getInstance(); + issuingCal.clear(); + issuingCal.setTime(issuingDate); + issuingCal.setTimeZone(TimeZone.getTimeZone("UTC")); + issuingCal.set(Calendar.HOUR_OF_DAY, 0); + issuingCal.set(Calendar.MINUTE, 0); + issuingCal.set(Calendar.SECOND, 0); + issuingCal.set(Calendar.MILLISECOND, 0); + + Calendar fromCal = Calendar.getInstance(); + fromCal.clear(); + fromCal.setTime(localDate); + fromCal.setTimeZone(TimeZone.getTimeZone("UTC")); + fromCal.set(Calendar.HOUR_OF_DAY, 0); + fromCal.set(Calendar.MINUTE, 0); + fromCal.set(Calendar.SECOND, 0); + fromCal.set(Calendar.MILLISECOND, 0); + + long diff = localDate.getTime() - issuingDate.getTime(); + long dayDiff = TimeUnit.DAYS.convert(diff, TimeUnit.MILLISECONDS); + + return new Long(dayDiff); + + } + + public static Date getLocalDateFromDifference(Date issuingDate, int diff , Long time ) { + + if (issuingDate == null) return null; + + Calendar cal = Calendar.getInstance(); + cal.clear(); + cal.setTime(issuingDate); + cal.add(Calendar.DAY_OF_YEAR, diff); + + if (time != null) { + int hours = time.intValue() / 60; + int minutes = time.intValue() - hours * 60; + cal.set(Calendar.HOUR_OF_DAY, hours); + cal.set(Calendar.MINUTE,minutes); + } + + return cal.getTime(); + + } + + + public static void setTime(Calendar cal, Long time){ + + if (time != null) { + int hours = time.intValue() / 60; + int minutes = time.intValue() - hours * 60; + cal.set(Calendar.HOUR_OF_DAY, hours); + cal.set(Calendar.MINUTE,minutes); + } + + + } + + public static Long getTime (Calendar cal) { + + if (cal == null || + !cal.isSet(Calendar.HOUR_OF_DAY) || + !cal.isSet(Calendar.MINUTE) ) { + return null; + } + + int time = cal.get(Calendar.HOUR_OF_DAY) * 60 + cal.get(Calendar.MINUTE); + if (time > 0) { + return new Long (time ); + } + return null; + } + + public static Long getTime (Date date) { + + Calendar cal = Calendar.getInstance(); + cal.clear(); + cal.setTime(date); + + if (cal == null || + !cal.isSet(Calendar.HOUR_OF_DAY) || + !cal.isSet(Calendar.MINUTE) ) { + return null; + } + + int time = cal.get(Calendar.HOUR_OF_DAY) * 60 + cal.get(Calendar.MINUTE); + if (time > 0) { + return new Long (time ); + } + return null; + } + + public static Date getDate(Date issuingDate, Long date, Long time){ + + if (issuingDate == null) return null; + + if (date == null) { + date = 0L; + } + + Calendar issuingCal = Calendar.getInstance(); + issuingCal.clear(); + issuingCal.setTime(issuingDate); + + Calendar cal = Calendar.getInstance(); + cal.clear(); + cal.set(Calendar.YEAR,issuingCal.get(Calendar.YEAR) ); + cal.set(Calendar.DAY_OF_YEAR,issuingCal.get(Calendar.DAY_OF_YEAR) ); + + cal.add(Calendar.DAY_OF_YEAR, date.intValue()); + + DateTimeUtils.setTime(cal,time); + + return cal.getTime(); + + } + + + + /** + * Gets the UTC offset. + * + * @param date and time of the issuing date + * @param date and time of the departure + * @return the UTC offset in multiples of 15 minutes + * the offset needs to be added to local time to get the UTC time (UTC = local + offset) + */ + public static Long getUTCoffset(Date local) { + + + Calendar cal = Calendar.getInstance(); + cal.clear(); + cal.setTime(local); + + /* + * Returns the amount of time in milliseconds to add to UTC to get standard time in this + * time zone. Because this value is not affected by daylight saving time, it is called raw offset. + * If an underlying TimeZone implementation subclass supports historical GMT offset changes, the method + * returns the raw offset value of the current date. In Honolulu, for example, its raw offset + * changed from GMT-10:30 to GMT-10:00 in 1947, and this method + * always returns -36000000 milliseconds (i.e., -10 hours). + */ + int minuteOffset = - cal.getTimeZone().getRawOffset()/ ( 1000 * 60 * 15 ); + + return new Long (minuteOffset); + + } + + public static Date getUTCDate(Date issuingDate, Long date, Long time, Long UTCOffset) { + + if (issuingDate == null) return null; + + if (UTCOffset == null) return null; + + if (time == null) return null; + + if (date == null) { + date = 0L; + } + + Calendar issuingCal = Calendar.getInstance(); + issuingCal.clear(); + issuingCal.setTime(issuingDate); + + Calendar cal = Calendar.getInstance(); + cal.clear(); + cal.set(Calendar.YEAR,issuingCal.get(Calendar.YEAR) ); + cal.set(Calendar.DAY_OF_YEAR,issuingCal.get(Calendar.DAY_OF_YEAR) ); + cal.add(Calendar.DAY_OF_YEAR, date.intValue()); + + int hours = time.intValue() / 60; + int minutes = time.intValue() - hours * 60; + cal.set(Calendar.HOUR_OF_DAY, hours); + cal.set(Calendar.MINUTE,minutes); + + cal.add(Calendar.MINUTE, (int) (UTCOffset * 15) ); + + cal.setTimeZone(TimeZone.getTimeZone("UTC")); + + return cal.getTime(); + + } + + +} -- cgit v1.2.3