Java tutorial
/** * Copyright (c) 2006 Richard Rodgers * * 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.monad.homerun.util; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; /** * TimeUtil is a utility class with static methods to convert times in various * formats into other formats */ public class TimeUtil { private static final int MINS_PER_DAY = 60 * 24; private static final long MS_PER_DAY = 1000 * 60 * MINS_PER_DAY; private static final int SEC = 1000; private static final int MIN = SEC * 60; private static final int HOUR = MIN * 60; private static final int DAY = HOUR * 24; private static final long WEEK = DAY * 7; private static final long YEAR = WEEK * 52; private static final long[] buckets = { YEAR, WEEK, DAY, HOUR, MIN, SEC }; private static final String[] bucketNames = { "year", "week", "day", "hour", "minute", "second" }; private static GregorianCalendar statFmtCal = new GregorianCalendar(); private static final String ts24Pat = "H:mm:ss yy-MM-dd"; // convert date in milliseconds into minute of the day public static short modFormat(long msecs) { synchronized (statFmtCal) { statFmtCal.setTime(new Date(msecs)); return ((short) (statFmtCal.get(Calendar.HOUR_OF_DAY) * 60 + statFmtCal.get(Calendar.MINUTE))); } } }