/*
* @(#)TimeUtil.java 1.0 Mar 7, 2008
*
* The MIT License
*
* Copyright (c) 2008 Malachi de AElfweald
*
* 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 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 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();
}
}