/**
* 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.text.DateFormat;
import java.text.SimpleDateFormat;
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 a timestamp (= millisecs) to a concise string
*
* @param timestamp
* a date/time in milliseconds
* @return formatted time
*/
public static String timeStampFormat(long timestamp) {
// test for uninitialized time
if (timestamp == -1L) {
return "??";
}
SimpleDateFormat sdf = new SimpleDateFormat(ts24Pat);
return sdf.format(new Date(timestamp));
}
}