128 lines
2.9 KiB
Java
128 lines
2.9 KiB
Java
/*
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* Copyright (C) 2004-2015 L2J Server
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*
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* This file is part of L2J Server.
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*
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* L2J Server is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* L2J Server is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jserver.util;
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import java.time.Duration;
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import java.time.temporal.ChronoUnit;
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/**
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* @author UnAfraid
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*/
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public class TimeUtil
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{
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public static int findIndexOfNonDigit(CharSequence text)
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{
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for (int i = 0; i < text.length(); i++)
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{
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if (Character.isDigit(text.charAt(i)))
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{
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continue;
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}
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return i;
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}
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return -1;
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}
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/**
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* Parses patterns like:
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* <ul>
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* <li>1min or 10mins</li>
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* <li>1day or 10days</li>
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* <li>1week or 4weeks</li>
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* <li>1month or 12months</li>
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* <li>1year or 5years</li>
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* </ul>
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* @param datePattern
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* @return {@link Duration} object converted by the date pattern specified.
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* @throws IllegalStateException when malformed pattern specified.
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*/
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public static Duration parseDuration(String datePattern)
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{
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final int index = findIndexOfNonDigit(datePattern);
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if (index == -1)
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{
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throw new IllegalStateException("Incorrect time format given: " + datePattern);
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}
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try
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{
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int val = Integer.parseInt(datePattern.substring(0, index));
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final String type = datePattern.substring(index);
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final ChronoUnit unit;
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switch (type.toLowerCase())
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{
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case "sec":
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case "secs":
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{
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unit = ChronoUnit.SECONDS;
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break;
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}
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case "min":
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case "mins":
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{
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unit = ChronoUnit.MINUTES;
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break;
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}
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case "hour":
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case "hours":
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{
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unit = ChronoUnit.HOURS;
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break;
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}
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case "day":
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case "days":
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{
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unit = ChronoUnit.DAYS;
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break;
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}
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case "week":
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case "weeks":
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{
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unit = ChronoUnit.WEEKS;
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break;
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}
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case "month":
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case "months":
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{
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unit = ChronoUnit.MONTHS;
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break;
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}
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case "year":
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case "years":
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{
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unit = ChronoUnit.YEARS;
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break;
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}
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default:
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{
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unit = ChronoUnit.valueOf(type);
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if (unit == null)
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{
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throw new IllegalStateException("Incorrect format: " + type + " !!");
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}
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}
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}
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return Duration.of(val, unit);
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}
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catch (Exception e)
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{
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throw new IllegalStateException("Incorrect time format given: " + datePattern + " val: " + datePattern.substring(0, index));
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}
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}
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}
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