fish.payara.internal.notification.TimeUtil Maven / Gradle / Ivy

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 * Copyright (c) [2017-2020] Payara Foundation and/or its affiliates. All rights reserved.
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
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package fish.payara.internal.notification;

import java.util.concurrent.TimeUnit;

/**
 * Time utilities used by notification sources
 * 
 * @author mertcaliskan
 */
public class TimeUtil {

    public static final int CLEANUP_TASK_FIVE_MIN_PERIOD = 500;

    private static final int SECOND = 1;
    private static final int MINUTE = 60 * SECOND;
    private static final int HOUR = 60 * MINUTE;
    private static final int DAY = 24 * HOUR;

    private static long ONE_SEC = 1000;
    private static long ONE_MIN = 60 * ONE_SEC;

    public static long setStoreTimeLimit(String timeLimit) {
        long value = 0;
        if (timeLimit != null) {
            try {
                value = Integer.parseInt(timeLimit);
            }
            catch (NumberFormatException nfe) {
                int i = 0;
                while (i < timeLimit.length() &&
                        Character.isDigit(timeLimit.charAt(i)))
                    i++;

                if (i > 0) {
                    value = Integer.parseInt(timeLimit.substring(0, i));

                    char multiplier = timeLimit.charAt(i);
                    switch (multiplier) {
                        case 's' : value *= SECOND;
                            break;
                        case 'm' : value *= MINUTE;
                            break;
                        case 'h' : value *= HOUR;
                            break;
                        case 'd' : value *= DAY;
                            break;
                        default  : break;
                    }
                }
            }
        }
        return value;
    }

    public static String prettyPrintDuration(long value) {
        long minutes = 0;
        long seconds = 0;
        StringBuilder sb = new StringBuilder();

        if (value > ONE_MIN) {
            minutes = TimeUnit.MILLISECONDS.toMinutes(value);
            value -= TimeUnit.MINUTES.toMillis(minutes);
        }
        if (value > ONE_SEC) {
            seconds = TimeUnit.MILLISECONDS.toSeconds(value);
            value -= TimeUnit.SECONDS.toMillis(seconds);
        }
        if (value >= 0) {
            if (minutes > 0) {
                sb.append(minutes).append(" minutes ");
            }
            if (seconds > 0) {
                sb.append(seconds).append(" seconds ");
            }
            if (value > 0) {
                sb.append(value);
                sb.append(" milliseconds");
            }
            return sb.toString();
        }
        else {
            return null;
        }
    }
}