Last change
on this file since 14826 was 10862, checked in by Don-vip, 8 years ago |
update to metadata-extractor 2.9.1
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Property svn:eol-style
set to
native
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File size:
884 bytes
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1 | package com.drew.lang;
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2 |
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3 | /**
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4 | * @author Drew Noakes http://drewnoakes.com
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5 | */
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6 | public class DateUtil
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7 | {
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8 | private static int[] _daysInMonth365 = new int[] {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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9 |
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10 | public static boolean isValidDate(int year, int month, int day)
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11 | {
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12 | if (year < 1 || year > 9999 || month < 0 || month > 11)
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13 | return false;
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14 |
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15 | int daysInMonth = _daysInMonth365[month];
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16 | if (month == 1)
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17 | {
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18 | boolean isLeapYear = year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
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19 | if (isLeapYear)
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20 | daysInMonth++;
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21 | }
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22 |
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23 | return day >= 1 && day <= daysInMonth;
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24 | }
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25 |
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26 | public static boolean isValidTime(int hours, int minutes, int seconds)
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27 | {
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28 | return hours >= 0 && hours < 24
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29 | && minutes >= 0 && minutes < 60
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30 | && seconds >= 0 && seconds < 60;
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31 | }
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32 | }
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