Java TimeUnit Usage parseTimeMillis(String timeWithOrWithoutUnit)

Description

parse Time Millis

License

Open Source License

Declaration

public static long parseTimeMillis(String timeWithOrWithoutUnit) 

Method Source Code

//package com.java2s;
/**// ww  w  . j av  a  2s  . c  om
 * Copyright (c) 2002-2012 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.concurrent.TimeUnit;

public class Main {
    private static final TimeUnit DEFAULT_TIME_UNIT = TimeUnit.SECONDS;

    public static long parseTimeMillis(String timeWithOrWithoutUnit) {
        int unitIndex = -1;
        for (int i = 0; i < timeWithOrWithoutUnit.length(); i++) {
            char ch = timeWithOrWithoutUnit.charAt(i);
            if (!Character.isDigit(ch)) {
                unitIndex = i;
                break;
            }
        }
        if (unitIndex == -1) {
            return DEFAULT_TIME_UNIT.toMillis(Integer.parseInt(timeWithOrWithoutUnit));
        } else {
            int amount = Integer.parseInt(timeWithOrWithoutUnit.substring(0, unitIndex));
            String unit = timeWithOrWithoutUnit.substring(unitIndex).toLowerCase();
            TimeUnit timeUnit = null;
            int multiplyFactor = 1;
            if (unit.equals("ms")) {
                timeUnit = TimeUnit.MILLISECONDS;
            } else if (unit.equals("s")) {
                timeUnit = TimeUnit.SECONDS;
            } else if (unit.equals("m")) {
                // This is only for having to rely on 1.6
                timeUnit = TimeUnit.SECONDS;
                multiplyFactor = 60;
            } else {
                throw new RuntimeException("Unrecognized unit " + unit);
            }
            return timeUnit.toMillis(amount * multiplyFactor);
        }
    }
}

Related

1. parseDuration(String durationStr)
2. parseDuration(String text)
3. parseRelativeTimeInSeconds(String relativeTime)
4. parseSecondsFromEpoch(Double d)
5. parseStringDate(String date)
6. parseUntilTime(byte[] untilTime)
7. pause()
8. prettyMillis(long mil)
9. printTimeMap(Map timeMap)