Source Code : Convert milliseconds into a short day of the week string

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Convert milliseconds into a short day of the week string

    
/**
 * 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 milliseconds into a short day of the week string
  public static String shortDayStringFormat(long msecs) {
    String fmt = dayStringFormat(msecs);
    return fmt.substring(0, 3);
  }

  // convert milliseconds into the day of the week string
  public static String dayStringFormat(long msecs) {
    GregorianCalendar cal = new GregorianCalendar();

    cal.setTime(new Date(msecs));

    int dow = cal.get(Calendar.DAY_OF_WEEK);

    switch (dow) {
    case Calendar.MONDAY:
      return "Monday";
    case Calendar.TUESDAY:
      return "Tuesday";
    case Calendar.WEDNESDAY:
      return "Wednesday";
    case Calendar.THURSDAY:
      return "Thursday";
    case Calendar.FRIDAY:
      return "Friday";
    case Calendar.SATURDAY:
      return "Saturday";
    case Calendar.SUNDAY:
      return "Sunday";
    }

    return "Unknown";
  }
}

   
    
    
    
  

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