Here you can find the source of findMaximumUnitFor(long elapsed, int specifiedMax)
private static int findMaximumUnitFor(long elapsed, int specifiedMax)
//package com.java2s; /**//from ww w . j a va 2s . co m * Copyright (c) 2009--2017 Red Hat, Inc. * * This software is licensed to you under the GNU General Public License, * version 2 (GPLv2). There is NO WARRANTY for this software, express or * implied, including the implied warranties of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 * along with this software; if not, see * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * Red Hat trademarks are not licensed under GPLv2. No permission is * granted to use or replicate Red Hat trademarks that are incorporated * in this software or its documentation. */ public class Main { /** time-interval formatting selectors */ public static final int SECONDS_UNITS = 0; static final long[] MILLIS_PER_UNIT = { 1000, 60000, 3600000, 86400000, 604800000, 2419200000L, 29030400000L }; private static int findMaximumUnitFor(long elapsed, int specifiedMax) { // Find max units < elapsed time int theUnit = specifiedMax; while (elapsed < MILLIS_PER_UNIT[theUnit] && theUnit > SECONDS_UNITS) { theUnit--; } return theUnit; } }