Get time string since a specified date - Android java.util

Android examples for java.util:Date Algorithm

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Description

Get time string since a specified date

Demo Code

import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main{

    /**/*from  w w  w  . j av  a2 s . c om*/
     * Get time string since a specified date
     */
    public static String getTimeSince(final Date itemTime) {
        final Date currentTime = new Date();
        final long ms = currentTime.getTime() - itemTime.getTime();
        final long sec = ms / 1000;
        final long min = sec / 60;
        final long hour = min / 60;
        final long day = hour / 24;
        final long month = day / 30;
        final long year = day / 365;
        if (year > 0) {
            if (year == 1) {
                return year + " year";
            } else {
                return year + " years";
            }
        } else if (month > 0) {
            if (month == 1) {
                return month + " month";
            } else {
                return month + " months";
            }
        } else if (day > 0) {
            if (day == 1) {
                return day + " day";
            } else {
                return day + " days";
            }
        } else if (hour > 0) {
            if (hour == 1) {
                return hour + " hour";
            } else {
                return hour + " hours";
            }
        } else if (min > 0) {
            if (min == 1) {
                return min + " minute";
            } else {
                return min + " minutes";
            }
        } else if (sec > 0) {
            if (sec == 1) {
                return sec + " second";
            } else {
                return sec + " seconds";
            }
        } else {
            return ms + " ms";
        }
    }

}

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