--- a/jdk/src/share/classes/java/time/temporal/ChronoLocalDateTimeImpl.java Tue Feb 12 16:02:14 2013 +0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,426 +0,0 @@
-/*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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 General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * This file is available under and governed by the GNU General Public
- * License version 2 only, as published by the Free Software Foundation.
- * However, the following notice accompanied the original version of this
- * file:
- *
- * Copyright (c) 2007-2012, Stephen Colebourne & Michael Nascimento Santos
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * * Neither the name of JSR-310 nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package java.time.temporal;
-
-import static java.time.temporal.ChronoField.EPOCH_DAY;
-
-import java.io.IOException;
-import java.io.InvalidObjectException;
-import java.io.ObjectInput;
-import java.io.ObjectOutput;
-import java.io.ObjectStreamException;
-import java.io.Serializable;
-import java.time.DateTimeException;
-import java.time.LocalTime;
-import java.time.ZoneId;
-import java.util.Objects;
-
-/**
- * A date-time without a time-zone for the calendar neutral API.
- * <p>
- * {@code ChronoLocalDateTime} is an immutable date-time object that represents a date-time, often
- * viewed as year-month-day-hour-minute-second. This object can also access other
- * fields such as day-of-year, day-of-week and week-of-year.
- * <p>
- * This class stores all date and time fields, to a precision of nanoseconds.
- * It does not store or represent a time-zone. For example, the value
- * "2nd October 2007 at 13:45.30.123456789" can be stored in an {@code ChronoLocalDateTime}.
- *
- * <h3>Specification for implementors</h3>
- * This class is immutable and thread-safe.
- *
- * @param <C> the chronology of this date
- * @since 1.8
- */
-final class ChronoLocalDateTimeImpl<C extends Chrono<C>>
- implements ChronoLocalDateTime<C>, Temporal, TemporalAdjuster, Serializable {
-
- /**
- * Serialization version.
- */
- private static final long serialVersionUID = 4556003607393004514L;
- /**
- * Hours per day.
- */
- static final int HOURS_PER_DAY = 24;
- /**
- * Minutes per hour.
- */
- static final int MINUTES_PER_HOUR = 60;
- /**
- * Minutes per day.
- */
- static final int MINUTES_PER_DAY = MINUTES_PER_HOUR * HOURS_PER_DAY;
- /**
- * Seconds per minute.
- */
- static final int SECONDS_PER_MINUTE = 60;
- /**
- * Seconds per hour.
- */
- static final int SECONDS_PER_HOUR = SECONDS_PER_MINUTE * MINUTES_PER_HOUR;
- /**
- * Seconds per day.
- */
- static final int SECONDS_PER_DAY = SECONDS_PER_HOUR * HOURS_PER_DAY;
- /**
- * Milliseconds per day.
- */
- static final long MILLIS_PER_DAY = SECONDS_PER_DAY * 1000L;
- /**
- * Microseconds per day.
- */
- static final long MICROS_PER_DAY = SECONDS_PER_DAY * 1000_000L;
- /**
- * Nanos per second.
- */
- static final long NANOS_PER_SECOND = 1000_000_000L;
- /**
- * Nanos per minute.
- */
- static final long NANOS_PER_MINUTE = NANOS_PER_SECOND * SECONDS_PER_MINUTE;
- /**
- * Nanos per hour.
- */
- static final long NANOS_PER_HOUR = NANOS_PER_MINUTE * MINUTES_PER_HOUR;
- /**
- * Nanos per day.
- */
- static final long NANOS_PER_DAY = NANOS_PER_HOUR * HOURS_PER_DAY;
-
- /**
- * The date part.
- */
- private final ChronoLocalDate<C> date;
- /**
- * The time part.
- */
- private final LocalTime time;
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code ChronoLocalDateTime} from a date and time.
- *
- * @param date the local date, not null
- * @param time the local time, not null
- * @return the local date-time, not null
- */
- static <R extends Chrono<R>> ChronoLocalDateTimeImpl<R> of(ChronoLocalDate<R> date, LocalTime time) {
- return new ChronoLocalDateTimeImpl<>(date, time);
- }
-
- /**
- * Constructor.
- *
- * @param date the date part of the date-time, not null
- * @param time the time part of the date-time, not null
- */
- private ChronoLocalDateTimeImpl(ChronoLocalDate<C> date, LocalTime time) {
- Objects.requireNonNull(date, "date");
- Objects.requireNonNull(time, "time");
- this.date = date;
- this.time = time;
- }
-
- /**
- * Returns a copy of this date-time with the new date and time, checking
- * to see if a new object is in fact required.
- *
- * @param newDate the date of the new date-time, not null
- * @param newTime the time of the new date-time, not null
- * @return the date-time, not null
- */
- private ChronoLocalDateTimeImpl<C> with(Temporal newDate, LocalTime newTime) {
- if (date == newDate && time == newTime) {
- return this;
- }
- // Validate that the new Temporal is a ChronoLocalDate (and not something else)
- ChronoLocalDate<C> cd = date.getChrono().ensureChronoLocalDate(newDate);
- return new ChronoLocalDateTimeImpl<>(cd, newTime);
- }
-
- //-----------------------------------------------------------------------
- @Override
- public ChronoLocalDate<C> getDate() {
- return date;
- }
-
- @Override
- public LocalTime getTime() {
- return time;
- }
-
- //-----------------------------------------------------------------------
- @Override
- public boolean isSupported(TemporalField field) {
- if (field instanceof ChronoField) {
- ChronoField f = (ChronoField) field;
- return f.isDateField() || f.isTimeField();
- }
- return field != null && field.doIsSupported(this);
- }
-
- @Override
- public ValueRange range(TemporalField field) {
- if (field instanceof ChronoField) {
- ChronoField f = (ChronoField) field;
- return (f.isTimeField() ? time.range(field) : date.range(field));
- }
- return field.doRange(this);
- }
-
- @Override
- public int get(TemporalField field) {
- if (field instanceof ChronoField) {
- ChronoField f = (ChronoField) field;
- return (f.isTimeField() ? time.get(field) : date.get(field));
- }
- return range(field).checkValidIntValue(getLong(field), field);
- }
-
- @Override
- public long getLong(TemporalField field) {
- if (field instanceof ChronoField) {
- ChronoField f = (ChronoField) field;
- return (f.isTimeField() ? time.getLong(field) : date.getLong(field));
- }
- return field.doGet(this);
- }
-
- //-----------------------------------------------------------------------
- @SuppressWarnings("unchecked")
- @Override
- public ChronoLocalDateTimeImpl<C> with(TemporalAdjuster adjuster) {
- if (adjuster instanceof ChronoLocalDate) {
- // The Chrono is checked in with(date,time)
- return with((ChronoLocalDate<C>) adjuster, time);
- } else if (adjuster instanceof LocalTime) {
- return with(date, (LocalTime) adjuster);
- } else if (adjuster instanceof ChronoLocalDateTimeImpl) {
- return date.getChrono().ensureChronoLocalDateTime((ChronoLocalDateTimeImpl<?>) adjuster);
- }
- return date.getChrono().ensureChronoLocalDateTime((ChronoLocalDateTimeImpl<?>) adjuster.adjustInto(this));
- }
-
- @Override
- public ChronoLocalDateTimeImpl<C> with(TemporalField field, long newValue) {
- if (field instanceof ChronoField) {
- ChronoField f = (ChronoField) field;
- if (f.isTimeField()) {
- return with(date, time.with(field, newValue));
- } else {
- return with(date.with(field, newValue), time);
- }
- }
- return date.getChrono().ensureChronoLocalDateTime(field.doWith(this, newValue));
- }
-
- //-----------------------------------------------------------------------
- @Override
- public ChronoLocalDateTimeImpl<C> plus(long amountToAdd, TemporalUnit unit) {
- if (unit instanceof ChronoUnit) {
- ChronoUnit f = (ChronoUnit) unit;
- switch (f) {
- case NANOS: return plusNanos(amountToAdd);
- case MICROS: return plusDays(amountToAdd / MICROS_PER_DAY).plusNanos((amountToAdd % MICROS_PER_DAY) * 1000);
- case MILLIS: return plusDays(amountToAdd / MILLIS_PER_DAY).plusNanos((amountToAdd % MILLIS_PER_DAY) * 1000000);
- case SECONDS: return plusSeconds(amountToAdd);
- case MINUTES: return plusMinutes(amountToAdd);
- case HOURS: return plusHours(amountToAdd);
- case HALF_DAYS: return plusDays(amountToAdd / 256).plusHours((amountToAdd % 256) * 12); // no overflow (256 is multiple of 2)
- }
- return with(date.plus(amountToAdd, unit), time);
- }
- return date.getChrono().ensureChronoLocalDateTime(unit.doPlus(this, amountToAdd));
- }
-
- private ChronoLocalDateTimeImpl<C> plusDays(long days) {
- return with(date.plus(days, ChronoUnit.DAYS), time);
- }
-
- private ChronoLocalDateTimeImpl<C> plusHours(long hours) {
- return plusWithOverflow(date, hours, 0, 0, 0);
- }
-
- private ChronoLocalDateTimeImpl<C> plusMinutes(long minutes) {
- return plusWithOverflow(date, 0, minutes, 0, 0);
- }
-
- ChronoLocalDateTimeImpl<C> plusSeconds(long seconds) {
- return plusWithOverflow(date, 0, 0, seconds, 0);
- }
-
- private ChronoLocalDateTimeImpl<C> plusNanos(long nanos) {
- return plusWithOverflow(date, 0, 0, 0, nanos);
- }
-
- //-----------------------------------------------------------------------
- private ChronoLocalDateTimeImpl<C> plusWithOverflow(ChronoLocalDate<C> newDate, long hours, long minutes, long seconds, long nanos) {
- // 9223372036854775808 long, 2147483648 int
- if ((hours | minutes | seconds | nanos) == 0) {
- return with(newDate, time);
- }
- long totDays = nanos / NANOS_PER_DAY + // max/24*60*60*1B
- seconds / SECONDS_PER_DAY + // max/24*60*60
- minutes / MINUTES_PER_DAY + // max/24*60
- hours / HOURS_PER_DAY; // max/24
- long totNanos = nanos % NANOS_PER_DAY + // max 86400000000000
- (seconds % SECONDS_PER_DAY) * NANOS_PER_SECOND + // max 86400000000000
- (minutes % MINUTES_PER_DAY) * NANOS_PER_MINUTE + // max 86400000000000
- (hours % HOURS_PER_DAY) * NANOS_PER_HOUR; // max 86400000000000
- long curNoD = time.toNanoOfDay(); // max 86400000000000
- totNanos = totNanos + curNoD; // total 432000000000000
- totDays += Math.floorDiv(totNanos, NANOS_PER_DAY);
- long newNoD = Math.floorMod(totNanos, NANOS_PER_DAY);
- LocalTime newTime = (newNoD == curNoD ? time : LocalTime.ofNanoOfDay(newNoD));
- return with(newDate.plus(totDays, ChronoUnit.DAYS), newTime);
- }
-
- //-----------------------------------------------------------------------
- @Override
- public ChronoZonedDateTime<C> atZone(ZoneId zone) {
- return ChronoZonedDateTimeImpl.ofBest(this, zone, null);
- }
-
- //-----------------------------------------------------------------------
- @Override
- public long periodUntil(Temporal endDateTime, TemporalUnit unit) {
- if (endDateTime instanceof ChronoLocalDateTime == false) {
- throw new DateTimeException("Unable to calculate period between objects of two different types");
- }
- @SuppressWarnings("unchecked")
- ChronoLocalDateTime<C> end = (ChronoLocalDateTime<C>) endDateTime;
- if (getDate().getChrono().equals(end.getDate().getChrono()) == false) {
- throw new DateTimeException("Unable to calculate period between two different chronologies");
- }
- if (unit instanceof ChronoUnit) {
- ChronoUnit f = (ChronoUnit) unit;
- if (f.isTimeUnit()) {
- long amount = end.getLong(EPOCH_DAY) - date.getLong(EPOCH_DAY);
- switch (f) {
- case NANOS: amount = Math.multiplyExact(amount, NANOS_PER_DAY); break;
- case MICROS: amount = Math.multiplyExact(amount, MICROS_PER_DAY); break;
- case MILLIS: amount = Math.multiplyExact(amount, MILLIS_PER_DAY); break;
- case SECONDS: amount = Math.multiplyExact(amount, SECONDS_PER_DAY); break;
- case MINUTES: amount = Math.multiplyExact(amount, MINUTES_PER_DAY); break;
- case HOURS: amount = Math.multiplyExact(amount, HOURS_PER_DAY); break;
- case HALF_DAYS: amount = Math.multiplyExact(amount, 2); break;
- }
- return Math.addExact(amount, time.periodUntil(end.getTime(), unit));
- }
- ChronoLocalDate<C> endDate = end.getDate();
- if (end.getTime().isBefore(time)) {
- endDate = endDate.minus(1, ChronoUnit.DAYS);
- }
- return date.periodUntil(endDate, unit);
- }
- return unit.between(this, endDateTime).getAmount();
- }
-
- //-----------------------------------------------------------------------
- private Object writeReplace() {
- return new Ser(Ser.CHRONO_LOCAL_DATE_TIME_TYPE, this);
- }
-
- /**
- * Defend against malicious streams.
- * @return never
- * @throws InvalidObjectException always
- */
- private Object readResolve() throws ObjectStreamException {
- throw new InvalidObjectException("Deserialization via serialization delegate");
- }
-
- void writeExternal(ObjectOutput out) throws IOException {
- out.writeObject(date);
- out.writeObject(time);
- }
-
- static ChronoLocalDateTime<?> readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
- ChronoLocalDate<?> date = (ChronoLocalDate<?>) in.readObject();
- LocalTime time = (LocalTime) in.readObject();
- return date.atTime(time);
- }
-
- //-----------------------------------------------------------------------
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj instanceof ChronoLocalDateTime) {
- return compareTo((ChronoLocalDateTime<?>) obj) == 0;
- }
- return false;
- }
-
- @Override
- public int hashCode() {
- return getDate().hashCode() ^ getTime().hashCode();
- }
-
- @Override
- public String toString() {
- return getDate().toString() + 'T' + getTime().toString();
- }
-
-}