Examples of java.util.TimeZone.useDaylightTime()

java.util.TimeZone.useDaylightTime()
Queries if this time zone uses daylight savings time.
If an underlying TimeZone implementation subclass supports historical Daylight Saving Time schedule changes, the method refers to the latest Daylight Saving Time schedule information. @return true if this time zone uses daylight savings time,false, otherwise.

        System.out.println("testValue ==> " + testValue);
        System.out.println("calendar  ==> " + formatCalendarXsdWithTz(calendar, 0, timeZone));
        System.out.println("back      ==> " + back);
        // make sure that timeZone.getRawOffset() is sufficient
        assertFalse ("custom time zone should not use day light saving", 
                     timeZone.useDaylightTime());
        assertEquals(testValue, 
                     formatCalendarXsdWithTz(calendar, 0, timeZone));
        assertEquals("should be in timezone +05:30",
                     timeZone.getRawOffset(),
                     calendar.get(Calendar.ZONE_OFFSET)+calendar.get(Calendar.DST_OFFSET));

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        System.out.println("testValue ==> " + testValue);
        System.out.println("calendar  ==> " + formatCalendarXsdWithTz(calendar, 3, timeZone));
        System.out.println("back      ==> " + back);
        // make sure that timeZone.getRawOffset() is sufficient
        assertFalse ("custom time zone should not use day light saving", 
                     timeZone.useDaylightTime());
        assertEquals(testValue, 
                     formatCalendarXsdWithTz(calendar, 3, timeZone));
        assertEquals("should be in timezone -05:30",
                     timeZone.getRawOffset(),
                     calendar.get(Calendar.ZONE_OFFSET)+calendar.get(Calendar.DST_OFFSET));

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        System.out.println("testValue ==> " + testValue);
        System.out.println("calendar  ==> " + formatCalendarXsdWithTz(calendar, 3, timeZone));
        System.out.println("back      ==> " + back);
        // make sure that timeZone.getRawOffset() is sufficient
        assertFalse ("custom time zone should not use day light saving", 
                     timeZone.useDaylightTime());
        assertEquals(testValue, 
                     formatCalendarXsdWithTz(calendar, 3, timeZone));
        assertEquals("should be in timezone +05:30",
                     timeZone.getRawOffset(),
                     calendar.get(Calendar.ZONE_OFFSET)+calendar.get(Calendar.DST_OFFSET));

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        int hours = offset / (60 * 60 * 1000);
        int minutes = (offset - (hours * 60 * 60 * 1000)) / (60 * 1000);


        try
        {
            if (timeZone.useDaylightTime() && timeZone.inDaylightTime(this.getDate()))
            {
                hours += sign.equals("+") ? 1 : -1;
            }
        }
        catch (ParseException e)

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            if (tz == null)      return;


            // otherwise print out normally.
            int offset;
            if (tz.inDaylightTime(cal.getTime())) {
                offset = tz.getRawOffset() + (tz.useDaylightTime()?3600000:0);
            } else {
                offset = tz.getRawOffset();
            }


            if(offset==0) {

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        }
        int hours = offset / (60 * 60 * 1000);
        int minutes = (offset - (hours * 60 * 60 * 1000)) / (60 * 1000);


        try {
            if (timeZone.useDaylightTime() && timeZone.inDaylightTime(this.getDate())) {
                hours += sign.equals("+") ? 1 : -1;
            }
        }
        catch (ParseException e) {
            // we'll do our best and ignore daylight savings

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/*     */ 
/* 896 */       if (tz == null) return;
/*     */       int offset;
/*     */       int offset;
/* 900 */       if (tz.inDaylightTime(cal.getTime()))
/* 901 */         offset = tz.getRawOffset() + (tz.useDaylightTime() ? 3600000 : 0);
/*     */       else {
/* 903 */         offset = tz.getRawOffset();
/*     */       }
/*     */ 
/* 906 */       if (offset == 0) {

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        int hours = offset / (60 * 60 * 1000);
        int minutes = (offset - (hours * 60 * 60 * 1000)) / (60 * 1000);


        try
        {
            if (timeZone.useDaylightTime() && timeZone.inDaylightTime(this.getDate()))
            {
                hours += sign.equals("+") ? 1 : -1;
            }
        }
        catch (ParseException e)

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      TimeZone localTimeZone = TimeZone.getDefault();


      long sec = gmtTime / 1000L;
      long microsec = (gmtTime - (sec * 1000)) * 1000L;
      long minutesWest = localTimeZone.getRawOffset() / 1000L / 60L * -1L;
      long dstTime = localTimeZone.useDaylightTime() ? 1 : 0;


      result.put("sec", sec);
      result.put("usec", microsec);
      result.put("minuteswest", minutesWest);
      result.put("dsttime", dstTime);

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    for (int i = 0; i < ids.length; i++) {
      TimeZone tz = TimeZone.getTimeZone(ids[i]);
      
      addAbbreviation(array, tz, false);
      
      if (tz.useDaylightTime())
        addAbbreviation(array, tz, true);
    }
    
    return array;
  }

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