Format time : Time « Development Class « Java

1. Java
2. Development Class
3. Time

Format time

     

/*
 * @(#)TimeUtil.java  1.0 Mar 7, 2008
 *
 *  The MIT License
 *
 *  Copyright (c) 2008 Malachi de AElfweald <malachid@gmail.com>
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
//package org.eoti.util;

import static java.util.concurrent.TimeUnit.MICROSECONDS;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.TimeUnit;

public class TimeUtil {
  public static Unit Nanosecond = Unit.Nanosecond;
  public static Unit Microsecond = Unit.Microsecond;
  public static Unit Millisecond = Unit.Millisecond;
  public static Unit Centisecond = Unit.Centisecond;
  public static Unit Second = Unit.Second;
  public static Unit Minute = Unit.Minute;
  public static Unit Hour = Unit.Hour;
  public static Unit Day = Unit.Day;

  public enum Unit {
    Nanosecond("ns", NANOSECONDS, 1), Microsecond('\u00B5' + "s",
        MICROSECONDS, 1), Millisecond("ms", MILLISECONDS, 1), Centisecond(
        "cs", MILLISECONDS, 10), Second("sec", SECONDS, 1), Minute(
        "min", SECONDS, 60), Hour("hr", SECONDS, 60 * 60), Day("day",
        SECONDS, 60 * 60 * 24);

    Unit(String friendlyName, TimeUnit unit, long multiplier) {
      this.friendlyName = friendlyName;
      this.unit = unit;
      this.multiplier = multiplier;
    }

    protected String friendlyName;
    protected TimeUnit unit;
    protected long multiplier;

    public long convertFrom(long amount, Unit unitOfAmount) {
      if (unit.equals(unitOfAmount.unit))
        return amount * unitOfAmount.multiplier / multiplier;

      return unit.convert(amount * unitOfAmount.multiplier,
          unitOfAmount.unit) / multiplier;
    }

    public void sleep(long timeout) {
      try {
        unit.sleep(timeout * multiplier);
      } catch (InterruptedException ie) {
        // no-op
      }
    }

    public void timedJoin(Thread thread, long timeout) {
      try {
        unit.timedJoin(thread, timeout * multiplier);
      } catch (InterruptedException ie) {
        // no-op
      }
    }

    public void timedWait(Object obj, long timeout) {
      try {
        unit.timedWait(obj, timeout * multiplier);
      } catch (InterruptedException ie) {
        // no-op
      }
    }

    public String toString(long amount) {
      return String.format("%d %ss", amount, toString());
    }

    public String friendly(long amount) {
      return String.format("%d%s", amount, friendlyName);
    }
  }

  public static String friendly(long amount, Unit unitOfAmount,
      boolean includeCentiseconds) {
    long nanos = Nanosecond.convertFrom(amount, unitOfAmount);
    List<Unit> units = Arrays.asList(Unit.values());
    Collections.reverse(units);
    StringBuilder sb = new StringBuilder();
    for (Unit unit : units) {
      if ((!includeCentiseconds) && unit.equals(Centisecond))
        continue;

      long unitAmount = unit.convertFrom(nanos, Nanosecond);
      nanos -= Nanosecond.convertFrom(unitAmount, unit);
      if (unitAmount > 0)
        sb.append(String.format("%s ", unit.friendly(unitAmount)));
    }

    return sb.toString().trim();
  }

  public static String unfriendly(long amount, Unit unitOfAmount,
      boolean includeCentiseconds) {
    long nanos = Nanosecond.convertFrom(amount, unitOfAmount);
    List<Unit> units = Arrays.asList(Unit.values());
    Collections.reverse(units);
    StringBuilder sb = new StringBuilder();
    for (Unit unit : units) {
      if ((!includeCentiseconds) && unit.equals(Centisecond))
        continue;

      long unitAmount = unit.convertFrom(nanos, Nanosecond);
      nanos -= Nanosecond.convertFrom(unitAmount, unit);
      if (unitAmount > 0)
        sb.append(String.format("%s ", unit.toString(unitAmount)));
    }

    return sb.toString().trim();
  }
}

   
    
    
    
    
  

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