/*
* -----------------------------------------------------------------------
* Copyright © 2013-2015 Meno Hochschild, <http://www.menodata.de/>
* -----------------------------------------------------------------------
* This file (FullValueOperator.java) is part of project Time4J.
*
* Time4J is free software: You can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* Time4J is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Time4J. If not, see <http://www.gnu.org/licenses/>.
* -----------------------------------------------------------------------
*/
package net.time4j;
import net.time4j.engine.ChronoOperator;
import static net.time4j.CalendarUnit.DAYS;
/**
* <p>Rundet auf volle Werte. </p>
*
* @author Meno Hochschild
* @since 1.2
*/
final class FullValueOperator
extends ElementOperator<PlainTime> {
//~ Statische Felder/Initialisierungen --------------------------------
static final FullValueOperator ROUNDING_FULL_HOUR =
new FullValueOperator(ElementOperator.OP_ROUND_FULL_HOUR);
static final FullValueOperator ROUNDING_FULL_MINUTE =
new FullValueOperator(ElementOperator.OP_ROUND_FULL_MINUTE);
static final FullValueOperator NEXT_FULL_HOUR =
new FullValueOperator(ElementOperator.OP_NEXT_FULL_HOUR);
static final FullValueOperator NEXT_FULL_MINUTE =
new FullValueOperator(ElementOperator.OP_NEXT_FULL_MINUTE);
//~ Instanzvariablen --------------------------------------------------
private final ChronoOperator<PlainTimestamp> tsop;
//~ Konstruktoren -----------------------------------------------------
private FullValueOperator(int type) {
super(PlainTime.COMPONENT, type);
this.tsop =
entity -> {
PlainTime time = doApply(entity.getWallTime());
if (time.getHour() == 24) {
return PlainTimestamp.of(
entity.getCalendarDate().plus(1, DAYS),
PlainTime.midnightAtStartOfDay());
} else {
return entity.with(time);
}
};
}
//~ Methoden ----------------------------------------------------------
@Override
public PlainTime apply(PlainTime entity) {
return this.doApply(entity);
}
@Override
ChronoOperator<PlainTimestamp> onTimestamp() {
return this.tsop;
}
private PlainTime doApply(PlainTime time) {
int hour = time.getHour();
int minute = time.getMinute();
switch (this.getType()) {
case OP_ROUND_FULL_HOUR:
if (minute >= 30) {
hour++;
if (hour == 25) {
hour = 1;
}
}
return PlainTime.of(hour);
case OP_ROUND_FULL_MINUTE:
if (time.getSecond() >= 30) {
if (hour == 24) {
hour = 0;
minute = 1;
} else {
minute++;
if (minute == 60) {
hour++;
minute = 0;
}
}
}
return PlainTime.of(hour, minute);
case OP_NEXT_FULL_HOUR:
hour++;
if (hour == 25) {
hour = 1;
}
return PlainTime.of(hour);
case OP_NEXT_FULL_MINUTE:
if (hour == 24) {
hour = 0;
minute = 1;
} else {
minute++;
if (minute == 60) {
hour++;
minute = 0;
}
}
return PlainTime.of(hour, minute);
default:
throw new AssertionError("Unknown: " + this.getType());
}
}
}