com.drew.lang.DateUtil Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of metadata-extractor Show documentation
Show all versions of metadata-extractor Show documentation
Java library for extracting EXIF, IPTC, XMP, ICC and other metadata from image and video files.
package com.drew.lang;
/**
* @author Drew Noakes http://drewnoakes.com
*/
public class DateUtil
{
private static int[] _daysInMonth365 = new int[] {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
public static boolean isValidDate(int year, int month, int day)
{
if (year < 1 || year > 9999 || month < 0 || month > 11)
return false;
int daysInMonth = _daysInMonth365[month];
if (month == 1)
{
boolean isLeapYear = year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
if (isLeapYear)
daysInMonth++;
}
return day >= 1 && day <= daysInMonth;
}
public static boolean isValidTime(int hours, int minutes, int seconds)
{
return hours >= 0 && hours < 24
&& minutes >= 0 && minutes < 60
&& seconds >= 0 && seconds < 60;
}
}