// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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package jodd.datetime;
/**
* Holds a time period. With julian dates and {@link JDateTime} it is quite
* easy to calculate period in days - just by subtracting two julian day numbers.
* However, calculating hours, minutes and seconds would require more calculation
* and this class provides simple and faster period calculation.
*/
public class Period {
protected final long days;
protected final int hours;
protected final int minutes;
protected final int seconds;
protected final int milliseconds;
public Period(JDateTime jdt1, JDateTime jdt2) {
if (jdt2.isBefore(jdt1)) {
JDateTime temp = jdt1;
jdt1 = jdt2;
jdt2 = temp;
}
long julian2 = jdt2.getJulianDayNumber();
long julian1 = jdt1.getJulianDayNumber();
long days = julian2 - julian1;
int milliseconds = jdt2.getMillisecond() - jdt1.getMillisecond();
int seconds = jdt2.getSecond() - jdt1.getSecond();
int minutes = jdt2.getMinute() - jdt1.getMinute();
int hours = jdt2.getHour() - jdt1.getHour();
if (milliseconds < 0) {
seconds--;
milliseconds += 1000;
}
if (seconds < 0) {
minutes--;
seconds += 60;
}
if (minutes < 0) {
hours--;
minutes += 60;
}
if (hours < 0) {
days--;
hours += 24;
}
this.days = days;
this.hours = hours;
this.minutes = minutes;
this.seconds = seconds;
this.milliseconds = milliseconds;
}
/**
* Returns number of days in period.
*/
public long getDays() {
return days;
}
/**
* Returns hours in period.
*/
public int getHours() {
return hours;
}
/**
* Returns minutes in period.
*/
public int getMinutes() {
return minutes;
}
/**
* Returns seconds in period.
*/
public int getSeconds() {
return seconds;
}
/**
* Returns milliseconds in period.
*/
public int getMilliseconds() {
return milliseconds;
}
}