--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/time/chrono/ChronoLocalDateTimeImpl.java Tue Feb 12 09:25:43 2013 -0800
@@ -0,0 +1,433 @@
+/*
+ * 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.chrono;
+
+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.time.temporal.ChronoField;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.Temporal;
+import java.time.temporal.TemporalAdjuster;
+import java.time.temporal.TemporalField;
+import java.time.temporal.TemporalUnit;
+import java.time.temporal.ValueRange;
+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 <D> the concrete type for the date of this date-time
+ * @since 1.8
+ */
+final class ChronoLocalDateTimeImpl<D extends ChronoLocalDate<D>>
+ implements ChronoLocalDateTime<D>, 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 D 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(D 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<D> with(Temporal newDate, LocalTime newTime) {
+ if (date == newDate && time == newTime) {
+ return this;
+ }
+ // Validate that the new Temporal is a ChronoLocalDate (and not something else)
+ D cd = (D)date.getChronology().ensureChronoLocalDate(newDate);
+ return new ChronoLocalDateTimeImpl<>((D)cd, newTime);
+ }
+
+ //-----------------------------------------------------------------------
+ @Override
+ public D toLocalDate() {
+ return date;
+ }
+
+ @Override
+ public LocalTime toLocalTime() {
+ 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.isSupportedBy(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.rangeRefinedBy(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.getFrom(this);
+ }
+
+ //-----------------------------------------------------------------------
+ @SuppressWarnings("unchecked")
+ @Override
+ public ChronoLocalDateTimeImpl<D> with(TemporalAdjuster adjuster) {
+ if (adjuster instanceof ChronoLocalDate) {
+ // The Chronology is checked in with(date,time)
+ return with((ChronoLocalDate<D>) adjuster, time);
+ } else if (adjuster instanceof LocalTime) {
+ return with(date, (LocalTime) adjuster);
+ } else if (adjuster instanceof ChronoLocalDateTimeImpl) {
+ return (ChronoLocalDateTimeImpl<D>)(date.getChronology().ensureChronoLocalDateTime((ChronoLocalDateTimeImpl<?>) adjuster));
+ }
+ return (ChronoLocalDateTimeImpl<D>)(date.getChronology().ensureChronoLocalDateTime((ChronoLocalDateTimeImpl<?>) adjuster.adjustInto(this)));
+ }
+
+ @Override
+ public ChronoLocalDateTimeImpl<D> 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 (ChronoLocalDateTimeImpl<D>)(date.getChronology().ensureChronoLocalDateTime(field.adjustInto(this, newValue)));
+ }
+
+ //-----------------------------------------------------------------------
+ @Override
+ public ChronoLocalDateTimeImpl<D> 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 (ChronoLocalDateTimeImpl<D>)(date.getChronology().ensureChronoLocalDateTime(unit.addTo(this, amountToAdd)));
+ }
+
+ private ChronoLocalDateTimeImpl<D> plusDays(long days) {
+ return with(date.plus(days, ChronoUnit.DAYS), time);
+ }
+
+ private ChronoLocalDateTimeImpl<D> plusHours(long hours) {
+ return plusWithOverflow(date, hours, 0, 0, 0);
+ }
+
+ private ChronoLocalDateTimeImpl<D> plusMinutes(long minutes) {
+ return plusWithOverflow(date, 0, minutes, 0, 0);
+ }
+
+ ChronoLocalDateTimeImpl<D> plusSeconds(long seconds) {
+ return plusWithOverflow(date, 0, 0, seconds, 0);
+ }
+
+ private ChronoLocalDateTimeImpl<D> plusNanos(long nanos) {
+ return plusWithOverflow(date, 0, 0, 0, nanos);
+ }
+
+ //-----------------------------------------------------------------------
+ private ChronoLocalDateTimeImpl<D> 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<D> 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<D> end = (ChronoLocalDateTime<D>) endDateTime;
+ if (toLocalDate().getChronology().equals(end.toLocalDate().getChronology()) == 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.toLocalTime(), unit));
+ }
+ D endDate = end.toLocalDate();
+ if (end.toLocalTime().isBefore(time)) {
+ endDate = (D)endDate.minus(1, ChronoUnit.DAYS);
+ }
+ return date.periodUntil(endDate, unit);
+ }
+ return unit.between(this, endDateTime);
+ }
+
+ //-----------------------------------------------------------------------
+ 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 toLocalDate().hashCode() ^ toLocalTime().hashCode();
+ }
+
+ @Override
+ public String toString() {
+ return toLocalDate().toString() + 'T' + toLocalTime().toString();
+ }
+
+}