l2j_mobius/L2J_Mobius_Test/java/com/l2jmobius/util/TimeUtil.java
MobiusDev 93c43d7067
2016-10-20 23:40:28 +00:00

126 lines
2.9 KiB
Java

/*
* This file is part of the L2J Mobius project.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.l2jmobius.util;
import java.time.Duration;
import java.time.temporal.ChronoUnit;
/**
* @author UnAfraid
*/
public class TimeUtil
{
public static int findIndexOfNonDigit(CharSequence text)
{
for (int i = 0; i < text.length(); i++)
{
if (Character.isDigit(text.charAt(i)))
{
continue;
}
return i;
}
return -1;
}
/**
* Parses patterns like:
* <ul>
* <li>1min or 10mins</li>
* <li>1day or 10days</li>
* <li>1week or 4weeks</li>
* <li>1month or 12months</li>
* <li>1year or 5years</li>
* </ul>
* @param datePattern
* @return {@link Duration} object converted by the date pattern specified.
* @throws IllegalStateException when malformed pattern specified.
*/
public static Duration parseDuration(String datePattern)
{
final int index = findIndexOfNonDigit(datePattern);
if (index == -1)
{
throw new IllegalStateException("Incorrect time format given: " + datePattern);
}
try
{
final int val = Integer.parseInt(datePattern.substring(0, index));
final String type = datePattern.substring(index);
final ChronoUnit unit;
switch (type.toLowerCase())
{
case "sec":
case "secs":
{
unit = ChronoUnit.SECONDS;
break;
}
case "min":
case "mins":
{
unit = ChronoUnit.MINUTES;
break;
}
case "hour":
case "hours":
{
unit = ChronoUnit.HOURS;
break;
}
case "day":
case "days":
{
unit = ChronoUnit.DAYS;
break;
}
case "week":
case "weeks":
{
unit = ChronoUnit.WEEKS;
break;
}
case "month":
case "months":
{
unit = ChronoUnit.MONTHS;
break;
}
case "year":
case "years":
{
unit = ChronoUnit.YEARS;
break;
}
default:
{
unit = ChronoUnit.valueOf(type);
if (unit == null)
{
throw new IllegalStateException("Incorrect format: " + type + " !!");
}
}
}
return Duration.of(val, unit);
}
catch (Exception e)
{
throw new IllegalStateException("Incorrect time format given: " + datePattern + " val: " + datePattern.substring(0, index));
}
}
}