--- a/jdk/src/share/classes/java/time/temporal/OffsetDate.java Tue Feb 12 16:02:14 2013 +0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1351 +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 static java.time.temporal.ChronoField.OFFSET_SECONDS;
-import static java.time.temporal.ChronoLocalDateTimeImpl.SECONDS_PER_DAY;
-import static java.time.temporal.ChronoUnit.DAYS;
-
-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.Clock;
-import java.time.DateTimeException;
-import java.time.DayOfWeek;
-import java.time.Instant;
-import java.time.LocalDate;
-import java.time.LocalTime;
-import java.time.Month;
-import java.time.ZoneId;
-import java.time.ZoneOffset;
-import java.time.format.DateTimeFormatter;
-import java.time.format.DateTimeFormatters;
-import java.time.format.DateTimeParseException;
-import java.time.zone.ZoneRules;
-import java.util.Objects;
-
-/**
- * A date with an offset from UTC/Greenwich in the ISO-8601 calendar system,
- * such as {@code 2007-12-03+01:00}.
- * <p>
- * {@code OffsetDate} is an immutable date-time object that represents a date, often viewed
- * as year-month-day-offset. This object can also access other date fields such as
- * day-of-year, day-of-week and week-of-year.
- * <p>
- * This class does not store or represent a time.
- * For example, the value "2nd October 2007 +02:00" can be stored
- * in an {@code OffsetDate}.
- *
- * <h3>Specification for implementors</h3>
- * This class is immutable and thread-safe.
- *
- * @since 1.8
- */
-public final class OffsetDate
- implements Temporal, TemporalAdjuster, Comparable<OffsetDate>, Serializable {
-
- /**
- * The minimum supported {@code OffsetDate}, '-999999999-01-01+18:00'.
- * This is the minimum local date in the maximum offset
- * (larger offsets are earlier on the time-line).
- * This combines {@link LocalDate#MIN} and {@link ZoneOffset#MAX}.
- * This could be used by an application as a "far past" date.
- */
- public static final OffsetDate MIN = LocalDate.MIN.atOffset(ZoneOffset.MAX);
- /**
- * The maximum supported {@code OffsetDate}, '+999999999-12-31-18:00'.
- * This is the maximum local date in the minimum offset
- * (larger negative offsets are later on the time-line).
- * This combines {@link LocalDate#MAX} and {@link ZoneOffset#MIN}.
- * This could be used by an application as a "far future" date.
- */
- public static final OffsetDate MAX = LocalDate.MAX.atOffset(ZoneOffset.MIN);
-
- /**
- * Serialization version.
- */
- private static final long serialVersionUID = -4382054179074397774L;
-
- /**
- * The local date.
- */
- private final LocalDate date;
- /**
- * The offset from UTC/Greenwich.
- */
- private final ZoneOffset offset;
-
- //-----------------------------------------------------------------------
- /**
- * Obtains the current date from the system clock in the default time-zone.
- * <p>
- * This will query the {@link java.time.Clock#systemDefaultZone() system clock} in the default
- * time-zone to obtain the current date.
- * The offset will be calculated from the time-zone in the clock.
- * <p>
- * Using this method will prevent the ability to use an alternate clock for testing
- * because the clock is hard-coded.
- *
- * @return the current date using the system clock, not null
- */
- public static OffsetDate now() {
- return now(Clock.systemDefaultZone());
- }
-
- /**
- * Obtains the current date from the system clock in the specified time-zone.
- * <p>
- * This will query the {@link Clock#system(java.time.ZoneId) system clock} to obtain the current date.
- * Specifying the time-zone avoids dependence on the default time-zone.
- * The offset will be calculated from the specified time-zone.
- * <p>
- * Using this method will prevent the ability to use an alternate clock for testing
- * because the clock is hard-coded.
- *
- * @param zone the zone ID to use, not null
- * @return the current date using the system clock, not null
- */
- public static OffsetDate now(ZoneId zone) {
- return now(Clock.system(zone));
- }
-
- /**
- * Obtains the current date from the specified clock.
- * <p>
- * This will query the specified clock to obtain the current date - today.
- * The offset will be calculated from the time-zone in the clock.
- * <p>
- * Using this method allows the use of an alternate clock for testing.
- * The alternate clock may be introduced using {@link Clock dependency injection}.
- *
- * @param clock the clock to use, not null
- * @return the current date, not null
- */
- public static OffsetDate now(Clock clock) {
- Objects.requireNonNull(clock, "clock");
- final Instant now = clock.instant(); // called once
- return ofInstant(now, clock.getZone().getRules().getOffset(now));
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetDate} from a local date and an offset.
- *
- * @param date the local date, not null
- * @param offset the zone offset, not null
- * @return the offset date, not null
- */
- public static OffsetDate of(LocalDate date, ZoneOffset offset) {
- return new OffsetDate(date, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetDate} from an {@code Instant} and zone ID.
- * <p>
- * This creates an offset date with the same instant as midnight at the
- * start of day of the instant specified.
- * Finding the offset from UTC/Greenwich is simple as there is only one valid
- * offset for each instant.
- *
- * @param instant the instant to create the time from, not null
- * @param zone the time-zone, which may be an offset, not null
- * @return the offset time, not null
- */
- public static OffsetDate ofInstant(Instant instant, ZoneId zone) {
- Objects.requireNonNull(instant, "instant");
- Objects.requireNonNull(zone, "zone");
- ZoneRules rules = zone.getRules();
- ZoneOffset offset = rules.getOffset(instant);
- long epochSec = instant.getEpochSecond() + offset.getTotalSeconds(); // overflow caught later
- long epochDay = Math.floorDiv(epochSec, SECONDS_PER_DAY);
- LocalDate date = LocalDate.ofEpochDay(epochDay);
- return new OffsetDate(date, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetDate} from a temporal object.
- * <p>
- * A {@code TemporalAccessor} represents some form of date and time information.
- * This factory converts the arbitrary temporal object to an instance of {@code OffsetDate}.
- * <p>
- * The conversion extracts and combines {@code LocalDate} and {@code ZoneOffset}.
- * <p>
- * This method matches the signature of the functional interface {@link TemporalQuery}
- * allowing it to be used in queries via method reference, {@code OffsetDate::from}.
- *
- * @param temporal the temporal object to convert, not null
- * @return the offset date, not null
- * @throws DateTimeException if unable to convert to an {@code OffsetDate}
- */
- public static OffsetDate from(TemporalAccessor temporal) {
- if (temporal instanceof OffsetDate) {
- return (OffsetDate) temporal;
- }
- try {
- LocalDate date = LocalDate.from(temporal);
- ZoneOffset offset = ZoneOffset.from(temporal);
- return new OffsetDate(date, offset);
- } catch (DateTimeException ex) {
- throw new DateTimeException("Unable to obtain OffsetDate from TemporalAccessor: " + temporal.getClass(), ex);
- }
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetDate} from a text string such as {@code 2007-12-03+01:00}.
- * <p>
- * The string must represent a valid date and is parsed using
- * {@link java.time.format.DateTimeFormatters#isoOffsetDate()}.
- *
- * @param text the text to parse such as "2007-12-03+01:00", not null
- * @return the parsed offset date, not null
- * @throws DateTimeParseException if the text cannot be parsed
- */
- public static OffsetDate parse(CharSequence text) {
- return parse(text, DateTimeFormatters.isoOffsetDate());
- }
-
- /**
- * Obtains an instance of {@code OffsetDate} from a text string using a specific formatter.
- * <p>
- * The text is parsed using the formatter, returning a date.
- *
- * @param text the text to parse, not null
- * @param formatter the formatter to use, not null
- * @return the parsed offset date, not null
- * @throws DateTimeParseException if the text cannot be parsed
- */
- public static OffsetDate parse(CharSequence text, DateTimeFormatter formatter) {
- Objects.requireNonNull(formatter, "formatter");
- return formatter.parse(text, OffsetDate::from);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Constructor.
- *
- * @param date the local date, not null
- * @param offset the zone offset, not null
- */
- private OffsetDate(LocalDate date, ZoneOffset offset) {
- this.date = Objects.requireNonNull(date, "date");
- this.offset = Objects.requireNonNull(offset, "offset");
- }
-
- /**
- * Returns a new date based on this one, returning {@code this} where possible.
- *
- * @param date the date to create with, not null
- * @param offset the zone offset to create with, not null
- */
- private OffsetDate with(LocalDate date, ZoneOffset offset) {
- if (this.date == date && this.offset.equals(offset)) {
- return this;
- }
- return new OffsetDate(date, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Checks if the specified field is supported.
- * <p>
- * This checks if this date can be queried for the specified field.
- * If false, then calling the {@link #range(TemporalField) range} and
- * {@link #get(TemporalField) get} methods will throw an exception.
- * <p>
- * If the field is a {@link ChronoField} then the query is implemented here.
- * The {@link #isSupported(TemporalField) supported fields} will return valid
- * values based on this date-time.
- * The supported fields are:
- * <ul>
- * <li>{@code DAY_OF_WEEK}
- * <li>{@code ALIGNED_DAY_OF_WEEK_IN_MONTH}
- * <li>{@code ALIGNED_DAY_OF_WEEK_IN_YEAR}
- * <li>{@code DAY_OF_MONTH}
- * <li>{@code DAY_OF_YEAR}
- * <li>{@code EPOCH_DAY}
- * <li>{@code ALIGNED_WEEK_OF_MONTH}
- * <li>{@code ALIGNED_WEEK_OF_YEAR}
- * <li>{@code MONTH_OF_YEAR}
- * <li>{@code EPOCH_MONTH}
- * <li>{@code YEAR_OF_ERA}
- * <li>{@code YEAR}
- * <li>{@code ERA}
- * <li>{@code OFFSET_SECONDS}
- * </ul>
- * All other {@code ChronoField} instances will return false.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doIsSupported(TemporalAccessor)}
- * passing {@code this} as the argument.
- * Whether the field is supported is determined by the field.
- *
- * @param field the field to check, null returns false
- * @return true if the field is supported on this date, false if not
- */
- @Override
- public boolean isSupported(TemporalField field) {
- if (field instanceof ChronoField) {
- return ((ChronoField) field).isDateField() || field == OFFSET_SECONDS;
- }
- return field != null && field.doIsSupported(this);
- }
-
- /**
- * Gets the range of valid values for the specified field.
- * <p>
- * The range object expresses the minimum and maximum valid values for a field.
- * This date is used to enhance the accuracy of the returned range.
- * If it is not possible to return the range, because the field is not supported
- * or for some other reason, an exception is thrown.
- * <p>
- * If the field is a {@link ChronoField} then the query is implemented here.
- * The {@link #isSupported(TemporalField) supported fields} will return
- * appropriate range instances.
- * All other {@code ChronoField} instances will throw a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doRange(TemporalAccessor)}
- * passing {@code this} as the argument.
- * Whether the range can be obtained is determined by the field.
- *
- * @param field the field to query the range for, not null
- * @return the range of valid values for the field, not null
- * @throws DateTimeException if the range for the field cannot be obtained
- */
- @Override
- public ValueRange range(TemporalField field) {
- if (field instanceof ChronoField) {
- if (field == OFFSET_SECONDS) {
- return field.range();
- }
- return date.range(field);
- }
- return field.doRange(this);
- }
-
- /**
- * Gets the value of the specified field from this date as an {@code int}.
- * <p>
- * This queries this date for the value for the specified field.
- * The returned value will always be within the valid range of values for the field.
- * If it is not possible to return the value, because the field is not supported
- * or for some other reason, an exception is thrown.
- * <p>
- * If the field is a {@link ChronoField} then the query is implemented here.
- * The {@link #isSupported(TemporalField) supported fields} will return valid
- * values based on this date, except {@code EPOCH_DAY} and {@code EPOCH_MONTH}
- * which are too large to fit in an {@code int} and throw a {@code DateTimeException}.
- * All other {@code ChronoField} instances will throw a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doGet(TemporalAccessor)}
- * passing {@code this} as the argument. Whether the value can be obtained,
- * and what the value represents, is determined by the field.
- *
- * @param field the field to get, not null
- * @return the value for the field
- * @throws DateTimeException if a value for the field cannot be obtained
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override // override for Javadoc
- public int get(TemporalField field) {
- return Temporal.super.get(field);
- }
-
- /**
- * Gets the value of the specified field from this date as a {@code long}.
- * <p>
- * This queries this date for the value for the specified field.
- * If it is not possible to return the value, because the field is not supported
- * or for some other reason, an exception is thrown.
- * <p>
- * If the field is a {@link ChronoField} then the query is implemented here.
- * The {@link #isSupported(TemporalField) supported fields} will return valid
- * values based on this date.
- * All other {@code ChronoField} instances will throw a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doGet(TemporalAccessor)}
- * passing {@code this} as the argument. Whether the value can be obtained,
- * and what the value represents, is determined by the field.
- *
- * @param field the field to get, not null
- * @return the value for the field
- * @throws DateTimeException if a value for the field cannot be obtained
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public long getLong(TemporalField field) {
- if (field instanceof ChronoField) {
- if (field == OFFSET_SECONDS) {
- return getOffset().getTotalSeconds();
- }
- return date.getLong(field);
- }
- return field.doGet(this);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Gets the zone offset, such as '+01:00'.
- * <p>
- * This is the offset of the local date from UTC/Greenwich.
- *
- * @return the zone offset, not null
- */
- public ZoneOffset getOffset() {
- return offset;
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the specified offset.
- * <p>
- * This method returns an object with the same {@code LocalDate} and the specified {@code ZoneOffset}.
- * No calculation is needed or performed.
- * For example, if this time represents {@code 2007-12-03+02:00} and the offset specified is
- * {@code +03:00}, then this method will return {@code 2007-12-03+03:00}.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param offset the zone offset to change to, not null
- * @return an {@code OffsetDate} based on this date with the requested offset, not null
- */
- public OffsetDate withOffset(ZoneOffset offset) {
- Objects.requireNonNull(offset, "offset");
- return with(date, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Gets the {@code LocalDate} part of this date-time.
- * <p>
- * This returns a {@code LocalDate} with the same year, month and day
- * as this date-time.
- *
- * @return the date part of this date-time, not null
- */
- public LocalDate getDate() {
- return date;
- }
-
- //-----------------------------------------------------------------------
- /**
- * Gets the year field.
- * <p>
- * This method returns the primitive {@code int} value for the year.
- * <p>
- * The year returned by this method is proleptic as per {@code get(YEAR)}.
- * To obtain the year-of-era, use {@code get(YEAR_OF_ERA}.
- *
- * @return the year, from MIN_YEAR to MAX_YEAR
- */
- public int getYear() {
- return date.getYear();
- }
-
- /**
- * Gets the month-of-year field from 1 to 12.
- * <p>
- * This method returns the month as an {@code int} from 1 to 12.
- * Application code is frequently clearer if the enum {@link Month}
- * is used by calling {@link #getMonth()}.
- *
- * @return the month-of-year, from 1 to 12
- * @see #getMonth()
- */
- public int getMonthValue() {
- return date.getMonthValue();
- }
-
- /**
- * Gets the month-of-year field using the {@code Month} enum.
- * <p>
- * This method returns the enum {@link Month} for the month.
- * This avoids confusion as to what {@code int} values mean.
- * If you need access to the primitive {@code int} value then the enum
- * provides the {@link Month#getValue() int value}.
- *
- * @return the month-of-year, not null
- * @see #getMonthValue()
- */
- public Month getMonth() {
- return date.getMonth();
- }
-
- /**
- * Gets the day-of-month field.
- * <p>
- * This method returns the primitive {@code int} value for the day-of-month.
- *
- * @return the day-of-month, from 1 to 31
- */
- public int getDayOfMonth() {
- return date.getDayOfMonth();
- }
-
- /**
- * Gets the day-of-year field.
- * <p>
- * This method returns the primitive {@code int} value for the day-of-year.
- *
- * @return the day-of-year, from 1 to 365, or 366 in a leap year
- */
- public int getDayOfYear() {
- return date.getDayOfYear();
- }
-
- /**
- * Gets the day-of-week field, which is an enum {@code DayOfWeek}.
- * <p>
- * This method returns the enum {@link java.time.DayOfWeek} for the day-of-week.
- * This avoids confusion as to what {@code int} values mean.
- * If you need access to the primitive {@code int} value then the enum
- * provides the {@link java.time.DayOfWeek#getValue() int value}.
- * <p>
- * Additional information can be obtained from the {@code DayOfWeek}.
- * This includes textual names of the values.
- *
- * @return the day-of-week, not null
- */
- public DayOfWeek getDayOfWeek() {
- return date.getDayOfWeek();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns an adjusted copy of this date.
- * <p>
- * This returns a new {@code OffsetDate}, based on this one, with the date adjusted.
- * The adjustment takes place using the specified adjuster strategy object.
- * Read the documentation of the adjuster to understand what adjustment will be made.
- * <p>
- * A simple adjuster might simply set the one of the fields, such as the year field.
- * A more complex adjuster might set the date to the last day of the month.
- * A selection of common adjustments is provided in {@link java.time.temporal.Adjusters}.
- * These include finding the "last day of the month" and "next Wednesday".
- * Key date-time classes also implement the {@code TemporalAdjuster} interface,
- * such as {@link Month} and {@link java.time.temporal.MonthDay MonthDay}.
- * The adjuster is responsible for handling special cases, such as the varying
- * lengths of month and leap years.
- * <p>
- * For example this code returns a date on the last day of July:
- * <pre>
- * import static java.time.Month.*;
- * import static java.time.temporal.Adjusters.*;
- *
- * result = offsetDate.with(JULY).with(lastDayOfMonth());
- * </pre>
- * <p>
- * The classes {@link LocalDate} and {@link ZoneOffset} implement {@code TemporalAdjuster},
- * thus this method can be used to change the date or offset:
- * <pre>
- * result = offsetDate.with(date);
- * result = offsetDate.with(offset);
- * </pre>
- * <p>
- * The result of this method is obtained by invoking the
- * {@link TemporalAdjuster#adjustInto(Temporal)} method on the
- * specified adjuster passing {@code this} as the argument.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param adjuster the adjuster to use, not null
- * @return an {@code OffsetDate} based on {@code this} with the adjustment made, not null
- * @throws DateTimeException if the adjustment cannot be made
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public OffsetDate with(TemporalAdjuster adjuster) {
- // optimizations
- if (adjuster instanceof LocalDate) {
- return with((LocalDate) adjuster, offset);
- } else if (adjuster instanceof ZoneOffset) {
- return with(date, (ZoneOffset) adjuster);
- } else if (adjuster instanceof OffsetDate) {
- return (OffsetDate) adjuster;
- }
- return (OffsetDate) adjuster.adjustInto(this);
- }
-
- /**
- * Returns a copy of this date with the specified field set to a new value.
- * <p>
- * This returns a new {@code OffsetDate}, based on this one, with the value
- * for the specified field changed.
- * This can be used to change any supported field, such as the year, month or day-of-month.
- * If it is not possible to set the value, because the field is not supported or for
- * some other reason, an exception is thrown.
- * <p>
- * In some cases, changing the specified field can cause the resulting date to become invalid,
- * such as changing the month from 31st January to February would make the day-of-month invalid.
- * In cases like this, the field is responsible for resolving the date. Typically it will choose
- * the previous valid date, which would be the last valid day of February in this example.
- * <p>
- * If the field is a {@link ChronoField} then the adjustment is implemented here.
- * <p>
- * The {@code OFFSET_SECONDS} field will return a date with the specified offset.
- * The local date is unaltered. If the new offset value is outside the valid range
- * then a {@code DateTimeException} will be thrown.
- * <p>
- * The other {@link #isSupported(TemporalField) supported fields} will behave as per
- * the matching method on {@link LocalDate#with(TemporalField, long)} LocalDate}.
- * In this case, the offset is not part of the calculation and will be unchanged.
- * <p>
- * All other {@code ChronoField} instances will throw a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doWith(Temporal, long)}
- * passing {@code this} as the argument. In this case, the field determines
- * whether and how to adjust the instant.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param field the field to set in the result, not null
- * @param newValue the new value of the field in the result
- * @return an {@code OffsetDate} based on {@code this} with the specified field set, not null
- * @throws DateTimeException if the field cannot be set
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public OffsetDate with(TemporalField field, long newValue) {
- if (field instanceof ChronoField) {
- if (field == OFFSET_SECONDS) {
- ChronoField f = (ChronoField) field;
- return with(date, ZoneOffset.ofTotalSeconds(f.checkValidIntValue(newValue)));
- }
- return with(date.with(field, newValue), offset);
- }
- return field.doWith(this, newValue);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this {@code OffsetDate} with the year altered.
- * The offset does not affect the calculation and will be the same in the result.
- * If the day-of-month is invalid for the year, it will be changed to the last valid day of the month.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param year the year to set in the result, from MIN_YEAR to MAX_YEAR
- * @return an {@code OffsetDate} based on this date with the requested year, not null
- * @throws DateTimeException if the year value is invalid
- */
- public OffsetDate withYear(int year) {
- return with(date.withYear(year), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the month-of-year altered.
- * The offset does not affect the calculation and will be the same in the result.
- * If the day-of-month is invalid for the year, it will be changed to the last valid day of the month.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param month the month-of-year to set in the result, from 1 (January) to 12 (December)
- * @return an {@code OffsetDate} based on this date with the requested month, not null
- * @throws DateTimeException if the month-of-year value is invalid
- */
- public OffsetDate withMonth(int month) {
- return with(date.withMonth(month), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the day-of-month altered.
- * If the resulting date is invalid, an exception is thrown.
- * The offset does not affect the calculation and will be the same in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param dayOfMonth the day-of-month to set in the result, from 1 to 28-31
- * @return an {@code OffsetDate} based on this date with the requested day, not null
- * @throws DateTimeException if the day-of-month value is invalid
- * @throws DateTimeException if the day-of-month is invalid for the month-year
- */
- public OffsetDate withDayOfMonth(int dayOfMonth) {
- return with(date.withDayOfMonth(dayOfMonth), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the day-of-year altered.
- * If the resulting date is invalid, an exception is thrown.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param dayOfYear the day-of-year to set in the result, from 1 to 365-366
- * @return an {@code OffsetDate} based on this date with the requested day, not null
- * @throws DateTimeException if the day-of-year value is invalid
- * @throws DateTimeException if the day-of-year is invalid for the year
- */
- public OffsetDate withDayOfYear(int dayOfYear) {
- return with(date.withDayOfYear(dayOfYear), offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this date with the specified period added.
- * <p>
- * This method returns a new date based on this date with the specified period added.
- * The adder is typically {@link java.time.Period} but may be any other type implementing
- * the {@link TemporalAdder} interface.
- * The calculation is delegated to the specified adjuster, which typically calls
- * back to {@link #plus(long, TemporalUnit)}.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param adder the adder to use, not null
- * @return an {@code OffsetDate} based on this date with the addition made, not null
- * @throws DateTimeException if the addition cannot be made
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public OffsetDate plus(TemporalAdder adder) {
- return (OffsetDate) adder.addTo(this);
- }
-
- /**
- * Returns a copy of this date with the specified period added.
- * <p>
- * This method returns a new date based on this date with the specified period added.
- * This can be used to add any period that is defined by a unit, for example to add years, months or days.
- * The unit is responsible for the details of the calculation, including the resolution
- * of any edge cases in the calculation.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param amountToAdd the amount of the unit to add to the result, may be negative
- * @param unit the unit of the period to add, not null
- * @return an {@code OffsetDate} based on this date with the specified period added, not null
- * @throws DateTimeException if the unit cannot be added to this type
- */
- @Override
- public OffsetDate plus(long amountToAdd, TemporalUnit unit) {
- if (unit instanceof ChronoUnit) {
- return with(date.plus(amountToAdd, unit), offset);
- }
- return unit.doPlus(this, amountToAdd);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this {@code OffsetDate} with the specified period in years added.
- * <p>
- * This method adds the specified amount to the years field in three steps:
- * <ol>
- * <li>Add the input years to the year field</li>
- * <li>Check if the resulting date would be invalid</li>
- * <li>Adjust the day-of-month to the last valid day if necessary</li>
- * </ol>
- * <p>
- * For example, 2008-02-29 (leap year) plus one year would result in the
- * invalid date 2009-02-29 (standard year). Instead of returning an invalid
- * result, the last valid day of the month, 2009-02-28, is selected instead.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param years the years to add, may be negative
- * @return an {@code OffsetDate} based on this date with the years added, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate plusYears(long years) {
- return with(date.plusYears(years), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the specified period in months added.
- * <p>
- * This method adds the specified amount to the months field in three steps:
- * <ol>
- * <li>Add the input months to the month-of-year field</li>
- * <li>Check if the resulting date would be invalid</li>
- * <li>Adjust the day-of-month to the last valid day if necessary</li>
- * </ol>
- * <p>
- * For example, 2007-03-31 plus one month would result in the invalid date
- * 2007-04-31. Instead of returning an invalid result, the last valid day
- * of the month, 2007-04-30, is selected instead.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param months the months to add, may be negative
- * @return an {@code OffsetDate} based on this date with the months added, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate plusMonths(long months) {
- return with(date.plusMonths(months), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the specified period in weeks added.
- * <p>
- * This method adds the specified amount in weeks to the days field incrementing
- * the month and year fields as necessary to ensure the result remains valid.
- * The result is only invalid if the maximum/minimum year is exceeded.
- * <p>
- * For example, 2008-12-31 plus one week would result in 2009-01-07.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param weeks the weeks to add, may be negative
- * @return an {@code OffsetDate} based on this date with the weeks added, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate plusWeeks(long weeks) {
- return with(date.plusWeeks(weeks), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the specified period in days added.
- * <p>
- * This method adds the specified amount to the days field incrementing the
- * month and year fields as necessary to ensure the result remains valid.
- * The result is only invalid if the maximum/minimum year is exceeded.
- * <p>
- * For example, 2008-12-31 plus one day would result in 2009-01-01.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param days the days to add, may be negative
- * @return an {@code OffsetDate} based on this date with the days added, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate plusDays(long days) {
- return with(date.plusDays(days), offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this date with the specified period subtracted.
- * <p>
- * This method returns a new date based on this date with the specified period subtracted.
- * The subtractor is typically {@link java.time.Period} but may be any other type implementing
- * the {@link TemporalSubtractor} interface.
- * The calculation is delegated to the specified adjuster, which typically calls
- * back to {@link #minus(long, TemporalUnit)}.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param subtractor the subtractor to use, not null
- * @return an {@code OffsetDate} based on this date with the subtraction made, not null
- * @throws DateTimeException if the subtraction cannot be made
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public OffsetDate minus(TemporalSubtractor subtractor) {
- return (OffsetDate) subtractor.subtractFrom(this);
- }
-
- /**
- * Returns a copy of this date with the specified period subtracted.
- * <p>
- * This method returns a new date based on this date with the specified period subtracted.
- * This can be used to subtract any period that is defined by a unit, for example to subtract years, months or days.
- * The unit is responsible for the details of the calculation, including the resolution
- * of any edge cases in the calculation.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param amountToSubtract the amount of the unit to subtract from the result, may be negative
- * @param unit the unit of the period to subtract, not null
- * @return an {@code OffsetDate} based on this date with the specified period subtracted, not null
- * @throws DateTimeException if the unit cannot be added to this type
- */
- @Override
- public OffsetDate minus(long amountToSubtract, TemporalUnit unit) {
- return (amountToSubtract == Long.MIN_VALUE ? plus(Long.MAX_VALUE, unit).plus(1, unit) : plus(-amountToSubtract, unit));
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this {@code OffsetDate} with the specified period in years subtracted.
- * <p>
- * This method subtracts the specified amount from the years field in three steps:
- * <ol>
- * <li>Subtract the input years to the year field</li>
- * <li>Check if the resulting date would be invalid</li>
- * <li>Adjust the day-of-month to the last valid day if necessary</li>
- * </ol>
- * <p>
- * For example, 2008-02-29 (leap year) minus one year would result in the
- * invalid date 2007-02-29 (standard year). Instead of returning an invalid
- * result, the last valid day of the month, 2007-02-28, is selected instead.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param years the years to subtract, may be negative
- * @return an {@code OffsetDate} based on this date with the years subtracted, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate minusYears(long years) {
- return with(date.minusYears(years), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the specified period in months subtracted.
- * <p>
- * This method subtracts the specified amount from the months field in three steps:
- * <ol>
- * <li>Subtract the input months to the month-of-year field</li>
- * <li>Check if the resulting date would be invalid</li>
- * <li>Adjust the day-of-month to the last valid day if necessary</li>
- * </ol>
- * <p>
- * For example, 2007-03-31 minus one month would result in the invalid date
- * 2007-02-31. Instead of returning an invalid result, the last valid day
- * of the month, 2007-02-28, is selected instead.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param months the months to subtract, may be negative
- * @return an {@code OffsetDate} based on this date with the months subtracted, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate minusMonths(long months) {
- return with(date.minusMonths(months), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the specified period in weeks subtracted.
- * <p>
- * This method subtracts the specified amount in weeks from the days field decrementing
- * the month and year fields as necessary to ensure the result remains valid.
- * The result is only invalid if the maximum/minimum year is exceeded.
- * <p>
- * For example, 2009-01-07 minus one week would result in 2008-12-31.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param weeks the weeks to subtract, may be negative
- * @return an {@code OffsetDate} based on this date with the weeks subtracted, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate minusWeeks(long weeks) {
- return with(date.minusWeeks(weeks), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetDate} with the specified number of days subtracted.
- * <p>
- * This method subtracts the specified amount from the days field decrementing the
- * month and year fields as necessary to ensure the result remains valid.
- * The result is only invalid if the maximum/minimum year is exceeded.
- * <p>
- * For example, 2009-01-01 minus one day would result in 2008-12-31.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param days the days to subtract, may be negative
- * @return an {@code OffsetDate} based on this date with the days subtracted, not null
- * @throws DateTimeException if the result exceeds the supported date range
- */
- public OffsetDate minusDays(long days) {
- return with(date.minusDays(days), offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Queries this date using the specified query.
- * <p>
- * This queries this date using the specified query strategy object.
- * The {@code TemporalQuery} object defines the logic to be used to
- * obtain the result. Read the documentation of the query to understand
- * what the result of this method will be.
- * <p>
- * The result of this method is obtained by invoking the
- * {@link TemporalQuery#queryFrom(TemporalAccessor)} method on the
- * specified query passing {@code this} as the argument.
- *
- * @param <R> the type of the result
- * @param query the query to invoke, not null
- * @return the query result, null may be returned (defined by the query)
- * @throws DateTimeException if unable to query (defined by the query)
- * @throws ArithmeticException if numeric overflow occurs (defined by the query)
- */
- @SuppressWarnings("unchecked")
- @Override
- public <R> R query(TemporalQuery<R> query) {
- if (query == Queries.chrono()) {
- return (R) ISOChrono.INSTANCE;
- } else if (query == Queries.precision()) {
- return (R) DAYS;
- } else if (query == Queries.offset() || query == Queries.zone()) {
- return (R) getOffset();
- }
- return Temporal.super.query(query);
- }
-
- /**
- * Adjusts the specified temporal object to have the same offset and date
- * as this object.
- * <p>
- * This returns a temporal object of the same observable type as the input
- * with the offset and date changed to be the same as this.
- * <p>
- * The adjustment is equivalent to using {@link Temporal#with(TemporalField, long)}
- * twice, passing {@link ChronoField#OFFSET_SECONDS} and
- * {@link ChronoField#EPOCH_DAY} as the fields.
- * <p>
- * In most cases, it is clearer to reverse the calling pattern by using
- * {@link Temporal#with(TemporalAdjuster)}:
- * <pre>
- * // these two lines are equivalent, but the second approach is recommended
- * temporal = thisOffsetDate.adjustInto(temporal);
- * temporal = temporal.with(thisOffsetDate);
- * </pre>
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param temporal the target object to be adjusted, not null
- * @return the adjusted object, not null
- * @throws DateTimeException if unable to make the adjustment
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public Temporal adjustInto(Temporal temporal) {
- return temporal
- .with(OFFSET_SECONDS, getOffset().getTotalSeconds())
- .with(EPOCH_DAY, getDate().toEpochDay());
- }
-
- /**
- * Calculates the period between this date and another date in
- * terms of the specified unit.
- * <p>
- * This calculates the period between two dates in terms of a single unit.
- * The start and end points are {@code this} and the specified date.
- * The result will be negative if the end is before the start.
- * For example, the period in days between two dates can be calculated
- * using {@code startDate.periodUntil(endDate, DAYS)}.
- * <p>
- * The {@code Temporal} passed to this method must be an {@code OffsetDate}.
- * If the offset differs between the two times, then the specified
- * end time is normalized to have the same offset as this time.
- * <p>
- * The calculation returns a whole number, representing the number of
- * complete units between the two dates.
- * For example, the period in months between 2012-06-15Z and 2012-08-14Z
- * will only be one month as it is one day short of two months.
- * <p>
- * This method operates in association with {@link TemporalUnit#between}.
- * The result of this method is a {@code long} representing the amount of
- * the specified unit. By contrast, the result of {@code between} is an
- * object that can be used directly in addition/subtraction:
- * <pre>
- * long period = start.periodUntil(end, MONTHS); // this method
- * dateTime.plus(MONTHS.between(start, end)); // use in plus/minus
- * </pre>
- * <p>
- * The calculation is implemented in this method for {@link ChronoUnit}.
- * The units {@code DAYS}, {@code WEEKS}, {@code MONTHS}, {@code YEARS},
- * {@code DECADES}, {@code CENTURIES}, {@code MILLENNIA} and {@code ERAS}
- * are supported. Other {@code ChronoUnit} values will throw an exception.
- * <p>
- * If the unit is not a {@code ChronoUnit}, then the result of this method
- * is obtained by invoking {@code TemporalUnit.between(Temporal, Temporal)}
- * passing {@code this} as the first argument and the input temporal as
- * the second argument.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param endDate the end date, which must be an {@code OffsetDate}, not null
- * @param unit the unit to measure the period in, not null
- * @return the amount of the period between this date and the end date
- * @throws DateTimeException if the period cannot be calculated
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public long periodUntil(Temporal endDate, TemporalUnit unit) {
- if (endDate instanceof OffsetDate == false) {
- Objects.requireNonNull(endDate, "endDate");
- throw new DateTimeException("Unable to calculate period between objects of two different types");
- }
- if (unit instanceof ChronoUnit) {
- OffsetDate end = (OffsetDate) endDate;
- long offsetDiff = end.offset.getTotalSeconds() - offset.getTotalSeconds();
- LocalDate endLocal = end.date.plusDays(Math.floorDiv(-offsetDiff, SECONDS_PER_DAY));
- return date.periodUntil(endLocal, unit);
- }
- return unit.between(this, endDate).getAmount();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns an offset date-time formed from this date at the specified time.
- * <p>
- * This combines this date with the specified time to form an {@code OffsetDateTime}.
- * All possible combinations of date and time are valid.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param time the time to combine with, not null
- * @return the offset date-time formed from this date and the specified time, not null
- */
- public OffsetDateTime atTime(LocalTime time) {
- return OffsetDateTime.of(date, time, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Converts this date to midnight at the start of day in epoch seconds.
- *
- * @return the epoch seconds value
- */
- private long toEpochSecond() {
- long epochDay = date.toEpochDay();
- long secs = epochDay * SECONDS_PER_DAY;
- return secs - offset.getTotalSeconds();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Compares this {@code OffsetDate} to another date.
- * <p>
- * The comparison is based first on the UTC equivalent instant, then on the local date.
- * It is "consistent with equals", as defined by {@link Comparable}.
- * <p>
- * For example, the following is the comparator order:
- * <ol>
- * <li>2008-06-29-11:00</li>
- * <li>2008-06-29-12:00</li>
- * <li>2008-06-30+12:00</li>
- * <li>2008-06-29-13:00</li>
- * </ol>
- * Values #2 and #3 represent the same instant on the time-line.
- * When two values represent the same instant, the local date is compared
- * to distinguish them. This step is needed to make the ordering
- * consistent with {@code equals()}.
- * <p>
- * To compare the underlying local date of two {@code TemporalAccessor} instances,
- * use {@link ChronoField#EPOCH_DAY} as a comparator.
- *
- * @param other the other date to compare to, not null
- * @return the comparator value, negative if less, positive if greater
- */
- @Override
- public int compareTo(OffsetDate other) {
- if (offset.equals(other.offset)) {
- return date.compareTo(other.date);
- }
- int compare = Long.compare(toEpochSecond(), other.toEpochSecond());
- if (compare == 0) {
- compare = date.compareTo(other.date);
- }
- return compare;
- }
-
- //-----------------------------------------------------------------------
- /**
- * Checks if the instant of midnight at the start of this {@code OffsetDate}
- * is after midnight at the start of the specified date.
- * <p>
- * This method differs from the comparison in {@link #compareTo} in that it
- * only compares the instant of the date. This is equivalent to using
- * {@code date1.toEpochSecond().isAfter(date2.toEpochSecond())}.
- *
- * @param other the other date to compare to, not null
- * @return true if this is after the instant of the specified date
- */
- public boolean isAfter(OffsetDate other) {
- return toEpochSecond() > other.toEpochSecond();
- }
-
- /**
- * Checks if the instant of midnight at the start of this {@code OffsetDate}
- * is before midnight at the start of the specified date.
- * <p>
- * This method differs from the comparison in {@link #compareTo} in that it
- * only compares the instant of the date. This is equivalent to using
- * {@code date1.toEpochSecond().isBefore(date2.toEpochSecond())}.
- *
- * @param other the other date to compare to, not null
- * @return true if this is before the instant of the specified date
- */
- public boolean isBefore(OffsetDate other) {
- return toEpochSecond() < other.toEpochSecond();
- }
-
- /**
- * Checks if the instant of midnight at the start of this {@code OffsetDate}
- * equals midnight at the start of the specified date.
- * <p>
- * This method differs from the comparison in {@link #compareTo} and {@link #equals}
- * in that it only compares the instant of the date. This is equivalent to using
- * {@code date1.toEpochSecond().equals(date2.toEpochSecond())}.
- *
- * @param other the other date to compare to, not null
- * @return true if the instant equals the instant of the specified date
- */
- public boolean isEqual(OffsetDate other) {
- return toEpochSecond() == other.toEpochSecond();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Checks if this date is equal to another date.
- * <p>
- * The comparison is based on the local-date and the offset.
- * To compare for the same instant on the time-line, use {@link #isEqual(OffsetDate)}.
- * <p>
- * Only objects of type {@code OffsetDate} are compared, other types return false.
- * To compare the underlying local date of two {@code TemporalAccessor} instances,
- * use {@link ChronoField#EPOCH_DAY} as a comparator.
- *
- * @param obj the object to check, null returns false
- * @return true if this is equal to the other date
- */
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj instanceof OffsetDate) {
- OffsetDate other = (OffsetDate) obj;
- return date.equals(other.date) && offset.equals(other.offset);
- }
- return false;
- }
-
- /**
- * A hash code for this date.
- *
- * @return a suitable hash code
- */
- @Override
- public int hashCode() {
- return date.hashCode() ^ offset.hashCode();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Outputs this date as a {@code String}, such as {@code 2007-12-03+01:00}.
- * <p>
- * The output will be in the ISO-8601 format {@code yyyy-MM-ddXXXXX}.
- *
- * @return a string representation of this date, not null
- */
- @Override
- public String toString() {
- return date.toString() + offset.toString();
- }
-
- /**
- * Outputs this date as a {@code String} using the formatter.
- * <p>
- * This date will be passed to the formatter
- * {@link DateTimeFormatter#print(TemporalAccessor) print method}.
- *
- * @param formatter the formatter to use, not null
- * @return the formatted date string, not null
- * @throws DateTimeException if an error occurs during printing
- */
- public String toString(DateTimeFormatter formatter) {
- Objects.requireNonNull(formatter, "formatter");
- return formatter.print(this);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Writes the object using a
- * <a href="../../../serialized-form.html#java.time.temporal.Ser">dedicated serialized form</a>.
- * <pre>
- * out.writeByte(1); // identifies this as a OffsetDateTime
- * out.writeObject(date);
- * out.writeObject(offset);
- * </pre>
- *
- * @return the instance of {@code Ser}, not null
- */
- private Object writeReplace() {
- return new Ser(Ser.OFFSET_DATE_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(offset);
- }
-
- static OffsetDate readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
- LocalDate date = (LocalDate) in.readObject();
- ZoneOffset offset = (ZoneOffset) in.readObject();
- return OffsetDate.of(date, offset);
- }
-
-}