Time.java

/*******************************************************************************
 * Copyright (c) 2004, 2013 Steve Flasby
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * <ul>
 *     <li>Redistributions of source code must retain the above copyright notice,
 *         this list of conditions and the following disclaimer.</li>
 *     <li>Redistributions in binary form must reproduce the above copyright notice,
 *         this list of conditions and the following disclaimer in the documentation
 *         and/or other materials provided with the distribution.</li>
 * </ul>
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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package org.flasby.util;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

public final class Time {

	public static final Time TIME = new Time();

	private Time() {
	}

	public static String estimate(long tInMillis) {
		SimpleDateFormat sdf1 = null;
		Date d = new Date(tInMillis);
		if (tInMillis >= 3600000) {
			sdf1 = new SimpleDateFormat("h 'hour(s)' m 'minute(s)' ss 'seconds'");
		} else if (tInMillis < 60000) {
			sdf1 = new SimpleDateFormat("ss 'seconds'");
		} else if (tInMillis < 120000) {
			if ((tInMillis / 1000) % 60 == 0) {
				sdf1 = new SimpleDateFormat("m 'minute'");
			} else {
				sdf1 = new SimpleDateFormat("m 'minute' ss 'seconds'");
			}
		} else {
			if ((tInMillis / 1000) % 60 == 0) {
				sdf1 = new SimpleDateFormat("m 'minutes'");
			} else {
				sdf1 = new SimpleDateFormat("m 'minutes' ss 'seconds'");
			}
		}
		// Need to set 0 offset in the time zone...
		sdf1.setTimeZone(TimeZone.getTimeZone("GMT"));
		return sdf1.format(d);
	}

	public static String toSimpleTimeUTC(long time) {
		SimpleDateFormat dateFormatGmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S");
		dateFormatGmt.setTimeZone(TimeZone.getTimeZone("GMT"));
		return dateFormatGmt.format(new Date(time));
	}

}