diff -r c588664d547e -r 55b829ca2334 jdk/src/share/classes/java/time/temporal/ChronoLocalDateTimeImpl.java --- 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. - *

- * {@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. - *

- * 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}. - * - *

Specification for implementors

- * This class is immutable and thread-safe. - * - * @param the chronology of this date - * @since 1.8 - */ -final class ChronoLocalDateTimeImpl> - implements ChronoLocalDateTime, 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 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 > ChronoLocalDateTimeImpl of(ChronoLocalDate 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 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 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 cd = date.getChrono().ensureChronoLocalDate(newDate); - return new ChronoLocalDateTimeImpl<>(cd, newTime); - } - - //----------------------------------------------------------------------- - @Override - public ChronoLocalDate 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 with(TemporalAdjuster adjuster) { - if (adjuster instanceof ChronoLocalDate) { - // The Chrono is checked in with(date,time) - return with((ChronoLocalDate) 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 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 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 plusDays(long days) { - return with(date.plus(days, ChronoUnit.DAYS), time); - } - - private ChronoLocalDateTimeImpl plusHours(long hours) { - return plusWithOverflow(date, hours, 0, 0, 0); - } - - private ChronoLocalDateTimeImpl plusMinutes(long minutes) { - return plusWithOverflow(date, 0, minutes, 0, 0); - } - - ChronoLocalDateTimeImpl plusSeconds(long seconds) { - return plusWithOverflow(date, 0, 0, seconds, 0); - } - - private ChronoLocalDateTimeImpl plusNanos(long nanos) { - return plusWithOverflow(date, 0, 0, 0, nanos); - } - - //----------------------------------------------------------------------- - private ChronoLocalDateTimeImpl plusWithOverflow(ChronoLocalDate 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 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 end = (ChronoLocalDateTime) 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 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(); - } - -}