convert a minute-of-week time to time of day as dd:dd [AM|PM] : Date Calculation « Data Type « Java

1. Java
2. Data Type
3. Date Calculation

convert a minute-of-week time to time of day as dd:dd [AM|PM]

    
/**
 * 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 minute-of-week time to time of day as dd:dd [AM|PM]
   * 
   * @param time
   *            the time in minute-of-the-week format
   * @return string the formatted time string
   */
  public static String stringFormat(short time) {
    // test for uninitialized time
    if (time == -1) {
      return "??";
    }
    StringBuffer sBuf = new StringBuffer(8);
    String am_pm = "AM";

    // int hour, min;
    int hour = (time % MINS_PER_DAY) / 60;

    if (hour == 0) {
      hour = 12;
    } else if (hour >= 12) {
      am_pm = "PM";
      if (hour > 12) {
        hour -= 12;
      }
    }

    if (hour < 10)
      sBuf.append(" ");

    sBuf.append(Integer.toString(hour));
    sBuf.append(":");

    int min = (time % MINS_PER_DAY) % 60;
    if (min < 10)
      sBuf.append("0");

    sBuf.append(Integer.toString(min));
    sBuf.append(" ");

    sBuf.append(am_pm);

    return (sBuf.toString());
  }
}

   
    
    
    
  

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