TimeUtil.java

/*
 * Copyright 2014 Alex Bennett & Alexander Chauncey
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.demigodsrpg.util.misc;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.TimeUnit;

public class TimeUtil {
    /**
     * Return the seconds since the provided time.
     *
     * @param time The provided time.
     * @return Seconds.
     */
    public static double getSeconds(long time) {
        return (double) TimeUnit.MILLISECONDS.toSeconds(time - System.currentTimeMillis());
    }

    /**
     * Return the minutes since the provided time.
     *
     * @param time The provided time.
     * @return Minutes.
     */
    public static double getMinutes(long time) {
        return (double) TimeUnit.MILLISECONDS.toMinutes(time - System.currentTimeMillis());
    }

    /**
     * Return the hours since the provided time.
     *
     * @param time The provided time.
     * @return Hours.
     */
    public static double getHours(long time) {
        return (double) TimeUnit.MILLISECONDS.toHours(time - System.currentTimeMillis());
    }

    /**
     * Return a readable String of the amount of time since a provided time.
     *
     * @param time  The provided time.
     * @param round Round to an int.
     * @return The readable String.
     */
    public static String getTimeTagged(long time, boolean round) {
        DecimalFormat format = round ? new DecimalFormat("#") : new DecimalFormat("#.##");
        if (getHours(time) >= 1) return format.format(getHours(time)) + "h";
        else if (Double.valueOf(format.format(getMinutes(time))) >= 1) return format.format(getMinutes(time)) + "m";
        else return format.format(getSeconds(time)) + "s";
    }

    public static String prettyDate(long time) {
        long diff = (System.currentTimeMillis() - time) / 1000;
        double day_diff = Math.floor(diff / 86400);

        if (day_diff == 0 && diff < 60) return "just now";
        if (diff < 120) return "1 minute ago";
        if (diff < 3600) return Math.floor(diff / 60) + " minutes ago";
        if (diff < 7200) return "1 hour ago";
        if (diff < 86400) return Math.floor(diff / 3600) + " hours ago";
        if (day_diff == 1) return "Yesterday";
        if (day_diff < 7) return day_diff + " days ago";
        if (day_diff < 31) return Math.ceil(day_diff / 7) + " weeks ago";

        return new SimpleDateFormat("yyyy-MM-dd").format(new Date(time));
    }
}