Examples of java.time.LocalTime

java.time.LocalTime
A time without time-zone in the ISO-8601 calendar system, such as {@code 10:15:30}.
{@code LocalTime} is an immutable date-time object that represents a time,often viewed as hour-minute-second. Time is represented to nanosecond precision. For example, the value "13:45.30.123456789" can be stored in a {@code LocalTime}.
It does not store or represent a date or time-zone. Instead, it is a description of the local time as seen on a wall clock. It cannot represent an instant on the time-line without additional information such as an offset or time-zone.
The ISO-8601 calendar system is the modern civil calendar system used today in most of the world. This API assumes that all calendar systems use the same representation, this class, for time-of-day.
This is a value-based class; use of identity-sensitive operations (including reference equality ( {@code ==}), identity hash code, or synchronization) on instances of {@code LocalTime} may have unpredictable results and should be avoided.The {@code equals} method should be used for comparisons. @implSpec This class is immutable and thread-safe. @since 1.8

   * @return
   */
  public static LocalTime createLocalTimeFromCalendar(Calendar calendar)
  {
    if (calendar == null) return null;
    LocalTime lLocalTime = LocalTime.of(calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), calendar.get(Calendar.SECOND), calendar.get(Calendar.MILLISECOND) * 1000000);
    return lLocalTime;
  }

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   */
  public static LocalTime createLocaleTimeFromDate(Date date) {
    if (date == null) {
      return null;
    }
    LocalTime lLocalTime = LocalTime.of( date.getHours(), date.getMinutes(), date.getSeconds(), 0 );
    return lLocalTime;
  }

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    }
    final private DateTimeFormatter dateTimeFormatter;
    
    @Override
    public StringBuffer format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition) {
      LocalTime lLocalTime = createLocaleTimeFromDate(date);
      String s = this.dateTimeFormatter.format( lLocalTime );
      toAppendTo.append(s);
      return toAppendTo;
    }

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      return toAppendTo;
    }


    @Override
    public Date parse(String source, ParsePosition pos) {
      LocalTime lLocalTime = LocalTime.parse(source, this.dateTimeFormatter);
      Date lDate = createDateFromLocalTime(lLocalTime);
      pos.setIndex(source.length()); // otherwise DateFormat will thrown an exception 
      return lDate;
    }

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    @Test
    public void testStringToLocalTime() {
        String dateTimeAsString = "00:00";
        Target target = new Target();
        target.setLocalTime( dateTimeAsString );
        LocalTime sourceTime =
                        LocalTime.of( 0, 0 );


        Source src = SourceTargetMapper.INSTANCE.targetToSourceLocalTimeMapped( target );
        assertThat( src ).isNotNull();
        assertThat( src.getLocalTime() ).isEqualTo( sourceTime );

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            } else if (type == LocalDate.class) {
                LocalDate localDate = LocalDate.parse(text);


                return (T) localDate;
            } else if (type == LocalTime.class) {
                LocalTime localDate = LocalTime.parse(text);
                
                return (T) localDate;
            } else if (type == ZonedDateTime.class) {
                ZonedDateTime zonedDateTime = ZonedDateTime.parse(text);

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        System.out.println(zone1.getRules());
        System.out.println(zone2.getRules());


        // time
        LocalTime now1 = LocalTime.now(zone1);
        LocalTime now2 = LocalTime.now(zone2);


        System.out.println(now1);
        System.out.println(now2);


        System.out.println(now1.isBefore(now2));  // false


        long hoursBetween = ChronoUnit.HOURS.between(now1, now2);
        long minutesBetween = ChronoUnit.MINUTES.between(now1, now2);
        System.out.println(hoursBetween);
        System.out.println(minutesBetween);




        // create time


        LocalTime now = LocalTime.now();
        System.out.println(now);


        LocalTime late = LocalTime.of(23, 59, 59);
        System.out.println(late);


        DateTimeFormatter germanFormatter =
                DateTimeFormatter
                        .ofLocalizedTime(FormatStyle.SHORT)
                        .withLocale(Locale.GERMAN);


        LocalTime leetTime = LocalTime.parse("13:37", germanFormatter);
        System.out.println(leetTime);




        // to legacy date

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            updateTime();
        }
    }
    
    private void updateTime() {
        LocalTime TIME = getSkinnable().getTime();
        // Seconds
        if (getSkinnable().isDiscreteSecond()) {
            secondRotate.setAngle(TIME.getSecond() * 6);
        } else {
            secondRotate.setAngle(TIME.getSecond() * 6 + TIME.get(ChronoField.MILLI_OF_SECOND) * 0.006);
        }
        // Minutes
        minuteAngle.set(TIME.getMinute() * 6);
        // Hours                
        hourRotate.setAngle(0.5 * (60 * TIME.getHour() + TIME.getMinute()));
        
        if (getSkinnable().isAutoNightMode()) checkForNight(TIME);
    }

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    }


    private void updateClock() {
        time.setLength(0);


        LocalTime now = LocalTime.now();


        pm = now.get(ChronoField.AMPM_OF_DAY) == 1;
        hours.set(now.getHour());
        String hourString = Integer.toString(hours.get());
        if (hours.get() < 10) {
            time.append("0");
            time.append(hourString.substring(0, 1));
        } else {
            time.append(hourString.substring(0, 1));
            time.append(hourString.substring(1));
        }


        time.append(":");


        minutes.set(now.getMinute());
        String minutesString = Integer.toString(minutes.get());
        if (minutes.get() < 10) {
            time.append("0");
            time.append(minutesString.substring(0, 1));
        } else {
            time.append(minutesString.substring(0, 1));
            time.append(minutesString.substring(1));
        }


        seconds.set(now.getSecond());
        
        if (isAlarmOn() && now.isAfter(getAlarm()) && now.isBefore(getAlarm().plusNanos(105_000_000))) {
            fireAlarmEvent();
        }
    }

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    int pastYear = 2013;
    int pastDayOfMonth = 1;
    final LocalDateTime pastDateTime = localDateTime.withYear(pastYear).withDayOfMonth(pastDayOfMonth);
    // Construct separate LocalDate and Time from supplied component values, and time component of existing DateTime
    LocalDate expectedDate = LocalDate.of(pastYear, localDateTime.getMonth(), pastDayOfMonth);
    final LocalTime expectedTime = localDateTime.toLocalTime();
    // A LocalDateTime can be constructed from separate LocalDate and LocalTime
    assertThat(pastDateTime, is(LocalDateTime.of(expectedDate, expectedTime)));


    // Test altering component fields using delta method plusXXX()
    LocalDateTime futureDateTime = localDateTime.plusWeeks(3);

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