--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/java/time/ZonedDateTime.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,2265 @@
+/*
+ * 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;
+
+import static java.time.temporal.ChronoField.INSTANT_SECONDS;
+import static java.time.temporal.ChronoField.NANO_OF_SECOND;
+import static java.time.temporal.ChronoField.OFFSET_SECONDS;
+
+import java.io.DataOutput;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.InvalidObjectException;
+import java.io.ObjectInputStream;
+import java.io.Serializable;
+import java.time.chrono.ChronoZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+import java.time.temporal.ChronoField;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.Temporal;
+import java.time.temporal.TemporalAccessor;
+import java.time.temporal.TemporalAdjuster;
+import java.time.temporal.TemporalAmount;
+import java.time.temporal.TemporalField;
+import java.time.temporal.TemporalQueries;
+import java.time.temporal.TemporalQuery;
+import java.time.temporal.TemporalUnit;
+import java.time.temporal.UnsupportedTemporalTypeException;
+import java.time.temporal.ValueRange;
+import java.time.zone.ZoneOffsetTransition;
+import java.time.zone.ZoneRules;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * A date-time with a time-zone in the ISO-8601 calendar system,
+ * such as {@code 2007-12-03T10:15:30+01:00 Europe/Paris}.
+ * <p>
+ * {@code ZonedDateTime} is an immutable representation of a date-time with a time-zone.
+ * This class stores all date and time fields, to a precision of nanoseconds,
+ * and a time-zone, with a zone offset used to handle ambiguous local date-times.
+ * For example, the value
+ * "2nd October 2007 at 13:45.30.123456789 +02:00 in the Europe/Paris time-zone"
+ * can be stored in a {@code ZonedDateTime}.
+ * <p>
+ * This class handles conversion from the local time-line of {@code LocalDateTime}
+ * to the instant time-line of {@code Instant}.
+ * The difference between the two time-lines is the offset from UTC/Greenwich,
+ * represented by a {@code ZoneOffset}.
+ * <p>
+ * Converting between the two time-lines involves calculating the offset using the
+ * {@link ZoneRules rules} accessed from the {@code ZoneId}.
+ * Obtaining the offset for an instant is simple, as there is exactly one valid
+ * offset for each instant. By contrast, obtaining the offset for a local date-time
+ * is not straightforward. There are three cases:
+ * <ul>
+ * <li>Normal, with one valid offset. For the vast majority of the year, the normal
+ * case applies, where there is a single valid offset for the local date-time.</li>
+ * <li>Gap, with zero valid offsets. This is when clocks jump forward typically
+ * due to the spring daylight savings change from "winter" to "summer".
+ * In a gap there are local date-time values with no valid offset.</li>
+ * <li>Overlap, with two valid offsets. This is when clocks are set back typically
+ * due to the autumn daylight savings change from "summer" to "winter".
+ * In an overlap there are local date-time values with two valid offsets.</li>
+ * </ul>
+ * <p>
+ * Any method that converts directly or implicitly from a local date-time to an
+ * instant by obtaining the offset has the potential to be complicated.
+ * <p>
+ * For Gaps, the general strategy is that if the local date-time falls in the
+ * middle of a Gap, then the resulting zoned date-time will have a local date-time
+ * shifted forwards by the length of the Gap, resulting in a date-time in the later
+ * offset, typically "summer" time.
+ * <p>
+ * For Overlaps, the general strategy is that if the local date-time falls in the
+ * middle of an Overlap, then the previous offset will be retained. If there is no
+ * previous offset, or the previous offset is invalid, then the earlier offset is
+ * used, typically "summer" time.. Two additional methods,
+ * {@link #withEarlierOffsetAtOverlap()} and {@link #withLaterOffsetAtOverlap()},
+ * help manage the case of an overlap.
+ * <p>
+ * In terms of design, this class should be viewed primarily as the combination
+ * of a {@code LocalDateTime} and a {@code ZoneId}. The {@code ZoneOffset} is
+ * a vital, but secondary, piece of information, used to ensure that the class
+ * represents an instant, especially during a daylight savings overlap.
+ *
+ * <p>
+ * This is a <a href="{@docRoot}/java/lang/doc-files/ValueBased.html">value-based</a>
+ * class; use of identity-sensitive operations (including reference equality
+ * ({@code ==}), identity hash code, or synchronization) on instances of
+ * {@code ZonedDateTime} may have unpredictable results and should be avoided.
+ * The {@code equals} method should be used for comparisons.
+ *
+ * @implSpec
+ * A {@code ZonedDateTime} holds state equivalent to three separate objects,
+ * a {@code LocalDateTime}, a {@code ZoneId} and the resolved {@code ZoneOffset}.
+ * The offset and local date-time are used to define an instant when necessary.
+ * The zone ID is used to obtain the rules for how and when the offset changes.
+ * The offset cannot be freely set, as the zone controls which offsets are valid.
+ * <p>
+ * This class is immutable and thread-safe.
+ *
+ * @since 1.8
+ */
+public final class ZonedDateTime
+ implements Temporal, ChronoZonedDateTime<LocalDate>, Serializable {
+
+ /**
+ * Serialization version.
+ */
+ private static final long serialVersionUID = -6260982410461394882L;
+
+ /**
+ * The local date-time.
+ */
+ private final LocalDateTime dateTime;
+ /**
+ * The offset from UTC/Greenwich.
+ */
+ private final ZoneOffset offset;
+ /**
+ * The time-zone.
+ */
+ private final ZoneId zone;
+
+ //-----------------------------------------------------------------------
+ /**
+ * Obtains the current date-time from the system clock in the default time-zone.
+ * <p>
+ * This will query the {@link Clock#systemDefaultZone() system clock} in the default
+ * time-zone to obtain the current date-time.
+ * The zone and offset will be set based on 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-time using the system clock, not null
+ */
+ public static ZonedDateTime now() {
+ return now(Clock.systemDefaultZone());
+ }
+
+ /**
+ * Obtains the current date-time from the system clock in the specified time-zone.
+ * <p>
+ * This will query the {@link Clock#system(ZoneId) system clock} to obtain the current date-time.
+ * 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-time using the system clock, not null
+ */
+ public static ZonedDateTime now(ZoneId zone) {
+ return now(Clock.system(zone));
+ }
+
+ /**
+ * Obtains the current date-time from the specified clock.
+ * <p>
+ * This will query the specified clock to obtain the current date-time.
+ * The zone and offset will be set based on 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-time, not null
+ */
+ public static ZonedDateTime now(Clock clock) {
+ Objects.requireNonNull(clock, "clock");
+ final Instant now = clock.instant(); // called once
+ return ofInstant(now, clock.getZone());
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from a local date and time.
+ * <p>
+ * This creates a zoned date-time matching the input local date and time as closely as possible.
+ * Time-zone rules, such as daylight savings, mean that not every local date-time
+ * is valid for the specified zone, thus the local date-time may be adjusted.
+ * <p>
+ * The local date time and first combined to form a local date-time.
+ * The local date-time is then resolved to a single instant on the time-line.
+ * This is achieved by finding a valid offset from UTC/Greenwich for the local
+ * date-time as defined by the {@link ZoneRules rules} of the zone ID.
+ *<p>
+ * In most cases, there is only one valid offset for a local date-time.
+ * In the case of an overlap, when clocks are set back, there are two valid offsets.
+ * This method uses the earlier offset typically corresponding to "summer".
+ * <p>
+ * In the case of a gap, when clocks jump forward, there is no valid offset.
+ * Instead, the local date-time is adjusted to be later by the length of the gap.
+ * For a typical one hour daylight savings change, the local date-time will be
+ * moved one hour later into the offset typically corresponding to "summer".
+ *
+ * @param date the local date, not null
+ * @param time the local time, not null
+ * @param zone the time-zone, not null
+ * @return the offset date-time, not null
+ */
+ public static ZonedDateTime of(LocalDate date, LocalTime time, ZoneId zone) {
+ return of(LocalDateTime.of(date, time), zone);
+ }
+
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from a local date-time.
+ * <p>
+ * This creates a zoned date-time matching the input local date-time as closely as possible.
+ * Time-zone rules, such as daylight savings, mean that not every local date-time
+ * is valid for the specified zone, thus the local date-time may be adjusted.
+ * <p>
+ * The local date-time is resolved to a single instant on the time-line.
+ * This is achieved by finding a valid offset from UTC/Greenwich for the local
+ * date-time as defined by the {@link ZoneRules rules} of the zone ID.
+ *<p>
+ * In most cases, there is only one valid offset for a local date-time.
+ * In the case of an overlap, when clocks are set back, there are two valid offsets.
+ * This method uses the earlier offset typically corresponding to "summer".
+ * <p>
+ * In the case of a gap, when clocks jump forward, there is no valid offset.
+ * Instead, the local date-time is adjusted to be later by the length of the gap.
+ * For a typical one hour daylight savings change, the local date-time will be
+ * moved one hour later into the offset typically corresponding to "summer".
+ *
+ * @param localDateTime the local date-time, not null
+ * @param zone the time-zone, not null
+ * @return the zoned date-time, not null
+ */
+ public static ZonedDateTime of(LocalDateTime localDateTime, ZoneId zone) {
+ return ofLocal(localDateTime, zone, null);
+ }
+
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from a year, month, day,
+ * hour, minute, second, nanosecond and time-zone.
+ * <p>
+ * This creates a zoned date-time matching the local date-time of the seven
+ * specified fields as closely as possible.
+ * Time-zone rules, such as daylight savings, mean that not every local date-time
+ * is valid for the specified zone, thus the local date-time may be adjusted.
+ * <p>
+ * The local date-time is resolved to a single instant on the time-line.
+ * This is achieved by finding a valid offset from UTC/Greenwich for the local
+ * date-time as defined by the {@link ZoneRules rules} of the zone ID.
+ *<p>
+ * In most cases, there is only one valid offset for a local date-time.
+ * In the case of an overlap, when clocks are set back, there are two valid offsets.
+ * This method uses the earlier offset typically corresponding to "summer".
+ * <p>
+ * In the case of a gap, when clocks jump forward, there is no valid offset.
+ * Instead, the local date-time is adjusted to be later by the length of the gap.
+ * For a typical one hour daylight savings change, the local date-time will be
+ * moved one hour later into the offset typically corresponding to "summer".
+ * <p>
+ * This method exists primarily for writing test cases.
+ * Non test-code will typically use other methods to create an offset time.
+ * {@code LocalDateTime} has five additional convenience variants of the
+ * equivalent factory method taking fewer arguments.
+ * They are not provided here to reduce the footprint of the API.
+ *
+ * @param year the year to represent, from MIN_YEAR to MAX_YEAR
+ * @param month the month-of-year to represent, from 1 (January) to 12 (December)
+ * @param dayOfMonth the day-of-month to represent, from 1 to 31
+ * @param hour the hour-of-day to represent, from 0 to 23
+ * @param minute the minute-of-hour to represent, from 0 to 59
+ * @param second the second-of-minute to represent, from 0 to 59
+ * @param nanoOfSecond the nano-of-second to represent, from 0 to 999,999,999
+ * @param zone the time-zone, not null
+ * @return the offset date-time, not null
+ * @throws DateTimeException if the value of any field is out of range, or
+ * if the day-of-month is invalid for the month-year
+ */
+ public static ZonedDateTime of(
+ int year, int month, int dayOfMonth,
+ int hour, int minute, int second, int nanoOfSecond, ZoneId zone) {
+ LocalDateTime dt = LocalDateTime.of(year, month, dayOfMonth, hour, minute, second, nanoOfSecond);
+ return ofLocal(dt, zone, null);
+ }
+
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from a local date-time
+ * using the preferred offset if possible.
+ * <p>
+ * The local date-time is resolved to a single instant on the time-line.
+ * This is achieved by finding a valid offset from UTC/Greenwich for the local
+ * date-time as defined by the {@link ZoneRules rules} of the zone ID.
+ *<p>
+ * In most cases, there is only one valid offset for a local date-time.
+ * In the case of an overlap, where clocks are set back, there are two valid offsets.
+ * If the preferred offset is one of the valid offsets then it is used.
+ * Otherwise the earlier valid offset is used, typically corresponding to "summer".
+ * <p>
+ * In the case of a gap, where clocks jump forward, there is no valid offset.
+ * Instead, the local date-time is adjusted to be later by the length of the gap.
+ * For a typical one hour daylight savings change, the local date-time will be
+ * moved one hour later into the offset typically corresponding to "summer".
+ *
+ * @param localDateTime the local date-time, not null
+ * @param zone the time-zone, not null
+ * @param preferredOffset the zone offset, null if no preference
+ * @return the zoned date-time, not null
+ */
+ public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
+ Objects.requireNonNull(localDateTime, "localDateTime");
+ Objects.requireNonNull(zone, "zone");
+ if (zone instanceof ZoneOffset) {
+ return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
+ }
+ ZoneRules rules = zone.getRules();
+ List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
+ ZoneOffset offset;
+ if (validOffsets.size() == 1) {
+ offset = validOffsets.get(0);
+ } else if (validOffsets.size() == 0) {
+ ZoneOffsetTransition trans = rules.getTransition(localDateTime);
+ localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
+ offset = trans.getOffsetAfter();
+ } else {
+ if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
+ offset = preferredOffset;
+ } else {
+ offset = Objects.requireNonNull(validOffsets.get(0), "offset"); // protect against bad ZoneRules
+ }
+ }
+ return new ZonedDateTime(localDateTime, offset, zone);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from an {@code Instant}.
+ * <p>
+ * This creates a zoned date-time with the same instant as that specified.
+ * Calling {@link #toInstant()} will return an instant equal to the one used here.
+ * <p>
+ * Converting an instant to a zoned date-time is simple as there is only one valid
+ * offset for each instant.
+ *
+ * @param instant the instant to create the date-time from, not null
+ * @param zone the time-zone, not null
+ * @return the zoned date-time, not null
+ * @throws DateTimeException if the result exceeds the supported range
+ */
+ public static ZonedDateTime ofInstant(Instant instant, ZoneId zone) {
+ Objects.requireNonNull(instant, "instant");
+ Objects.requireNonNull(zone, "zone");
+ return create(instant.getEpochSecond(), instant.getNano(), zone);
+ }
+
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from the instant formed by combining
+ * the local date-time and offset.
+ * <p>
+ * This creates a zoned date-time by {@link LocalDateTime#toInstant(ZoneOffset) combining}
+ * the {@code LocalDateTime} and {@code ZoneOffset}.
+ * This combination uniquely specifies an instant without ambiguity.
+ * <p>
+ * Converting an instant to a zoned date-time is simple as there is only one valid
+ * offset for each instant. If the valid offset is different to the offset specified,
+ * then the date-time and offset of the zoned date-time will differ from those specified.
+ * <p>
+ * If the {@code ZoneId} to be used is a {@code ZoneOffset}, this method is equivalent
+ * to {@link #of(LocalDateTime, ZoneId)}.
+ *
+ * @param localDateTime the local date-time, not null
+ * @param offset the zone offset, not null
+ * @param zone the time-zone, not null
+ * @return the zoned date-time, not null
+ */
+ public static ZonedDateTime ofInstant(LocalDateTime localDateTime, ZoneOffset offset, ZoneId zone) {
+ Objects.requireNonNull(localDateTime, "localDateTime");
+ Objects.requireNonNull(offset, "offset");
+ Objects.requireNonNull(zone, "zone");
+ if (zone.getRules().isValidOffset(localDateTime, offset)) {
+ return new ZonedDateTime(localDateTime, offset, zone);
+ }
+ return create(localDateTime.toEpochSecond(offset), localDateTime.getNano(), zone);
+ }
+
+ /**
+ * Obtains an instance of {@code ZonedDateTime} using seconds from the
+ * epoch of 1970-01-01T00:00:00Z.
+ *
+ * @param epochSecond the number of seconds from the epoch of 1970-01-01T00:00:00Z
+ * @param nanoOfSecond the nanosecond within the second, from 0 to 999,999,999
+ * @param zone the time-zone, not null
+ * @return the zoned date-time, not null
+ * @throws DateTimeException if the result exceeds the supported range
+ */
+ private static ZonedDateTime create(long epochSecond, int nanoOfSecond, ZoneId zone) {
+ ZoneRules rules = zone.getRules();
+ Instant instant = Instant.ofEpochSecond(epochSecond, nanoOfSecond); // TODO: rules should be queryable by epochSeconds
+ ZoneOffset offset = rules.getOffset(instant);
+ LocalDateTime ldt = LocalDateTime.ofEpochSecond(epochSecond, nanoOfSecond, offset);
+ return new ZonedDateTime(ldt, offset, zone);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Obtains an instance of {@code ZonedDateTime} strictly validating the
+ * combination of local date-time, offset and zone ID.
+ * <p>
+ * This creates a zoned date-time ensuring that the offset is valid for the
+ * local date-time according to the rules of the specified zone.
+ * If the offset is invalid, an exception is thrown.
+ *
+ * @param localDateTime the local date-time, not null
+ * @param offset the zone offset, not null
+ * @param zone the time-zone, not null
+ * @return the zoned date-time, not null
+ * @throws DateTimeException if the combination of arguments is invalid
+ */
+ public static ZonedDateTime ofStrict(LocalDateTime localDateTime, ZoneOffset offset, ZoneId zone) {
+ Objects.requireNonNull(localDateTime, "localDateTime");
+ Objects.requireNonNull(offset, "offset");
+ Objects.requireNonNull(zone, "zone");
+ ZoneRules rules = zone.getRules();
+ if (rules.isValidOffset(localDateTime, offset) == false) {
+ ZoneOffsetTransition trans = rules.getTransition(localDateTime);
+ if (trans != null && trans.isGap()) {
+ // error message says daylight savings for simplicity
+ // even though there are other kinds of gaps
+ throw new DateTimeException("LocalDateTime '" + localDateTime +
+ "' does not exist in zone '" + zone +
+ "' due to a gap in the local time-line, typically caused by daylight savings");
+ }
+ throw new DateTimeException("ZoneOffset '" + offset + "' is not valid for LocalDateTime '" +
+ localDateTime + "' in zone '" + zone + "'");
+ }
+ return new ZonedDateTime(localDateTime, offset, zone);
+ }
+
+ /**
+ * Obtains an instance of {@code ZonedDateTime} leniently, for advanced use cases,
+ * allowing any combination of local date-time, offset and zone ID.
+ * <p>
+ * This creates a zoned date-time with no checks other than no nulls.
+ * This means that the resulting zoned date-time may have an offset that is in conflict
+ * with the zone ID.
+ * <p>
+ * This method is intended for advanced use cases.
+ * For example, consider the case where a zoned date-time with valid fields is created
+ * and then stored in a database or serialization-based store. At some later point,
+ * the object is then re-loaded. However, between those points in time, the government
+ * that defined the time-zone has changed the rules, such that the originally stored
+ * local date-time now does not occur. This method can be used to create the object
+ * in an "invalid" state, despite the change in rules.
+ *
+ * @param localDateTime the local date-time, not null
+ * @param offset the zone offset, not null
+ * @param zone the time-zone, not null
+ * @return the zoned date-time, not null
+ */
+ private static ZonedDateTime ofLenient(LocalDateTime localDateTime, ZoneOffset offset, ZoneId zone) {
+ Objects.requireNonNull(localDateTime, "localDateTime");
+ Objects.requireNonNull(offset, "offset");
+ Objects.requireNonNull(zone, "zone");
+ if (zone instanceof ZoneOffset && offset.equals(zone) == false) {
+ throw new IllegalArgumentException("ZoneId must match ZoneOffset");
+ }
+ return new ZonedDateTime(localDateTime, offset, zone);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from a temporal object.
+ * <p>
+ * This obtains a zoned date-time based on the specified temporal.
+ * A {@code TemporalAccessor} represents an arbitrary set of date and time information,
+ * which this factory converts to an instance of {@code ZonedDateTime}.
+ * <p>
+ * The conversion will first obtain a {@code ZoneId} from the temporal object,
+ * falling back to a {@code ZoneOffset} if necessary. It will then try to obtain
+ * an {@code Instant}, falling back to a {@code LocalDateTime} if necessary.
+ * The result will be either the combination of {@code ZoneId} or {@code ZoneOffset}
+ * with {@code Instant} or {@code LocalDateTime}.
+ * Implementations are permitted to perform optimizations such as accessing
+ * those fields that are equivalent to the relevant objects.
+ * <p>
+ * This method matches the signature of the functional interface {@link TemporalQuery}
+ * allowing it to be used as a query via method reference, {@code ZonedDateTime::from}.
+ *
+ * @param temporal the temporal object to convert, not null
+ * @return the zoned date-time, not null
+ * @throws DateTimeException if unable to convert to an {@code ZonedDateTime}
+ */
+ public static ZonedDateTime from(TemporalAccessor temporal) {
+ if (temporal instanceof ZonedDateTime) {
+ return (ZonedDateTime) temporal;
+ }
+ try {
+ ZoneId zone = ZoneId.from(temporal);
+ if (temporal.isSupported(INSTANT_SECONDS)) {
+ long epochSecond = temporal.getLong(INSTANT_SECONDS);
+ int nanoOfSecond = temporal.get(NANO_OF_SECOND);
+ return create(epochSecond, nanoOfSecond, zone);
+ } else {
+ LocalDate date = LocalDate.from(temporal);
+ LocalTime time = LocalTime.from(temporal);
+ return of(date, time, zone);
+ }
+ } catch (DateTimeException ex) {
+ throw new DateTimeException("Unable to obtain ZonedDateTime from TemporalAccessor: " +
+ temporal + " of type " + temporal.getClass().getName(), ex);
+ }
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from a text string such as
+ * {@code 2007-12-03T10:15:30+01:00[Europe/Paris]}.
+ * <p>
+ * The string must represent a valid date-time and is parsed using
+ * {@link java.time.format.DateTimeFormatter#ISO_ZONED_DATE_TIME}.
+ *
+ * @param text the text to parse such as "2007-12-03T10:15:30+01:00[Europe/Paris]", not null
+ * @return the parsed zoned date-time, not null
+ * @throws DateTimeParseException if the text cannot be parsed
+ */
+ public static ZonedDateTime parse(CharSequence text) {
+ return parse(text, DateTimeFormatter.ISO_ZONED_DATE_TIME);
+ }
+
+ /**
+ * Obtains an instance of {@code ZonedDateTime} from a text string using a specific formatter.
+ * <p>
+ * The text is parsed using the formatter, returning a date-time.
+ *
+ * @param text the text to parse, not null
+ * @param formatter the formatter to use, not null
+ * @return the parsed zoned date-time, not null
+ * @throws DateTimeParseException if the text cannot be parsed
+ */
+ public static ZonedDateTime parse(CharSequence text, DateTimeFormatter formatter) {
+ Objects.requireNonNull(formatter, "formatter");
+ return formatter.parse(text, ZonedDateTime::from);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Constructor.
+ *
+ * @param dateTime the date-time, validated as not null
+ * @param offset the zone offset, validated as not null
+ * @param zone the time-zone, validated as not null
+ */
+ private ZonedDateTime(LocalDateTime dateTime, ZoneOffset offset, ZoneId zone) {
+ this.dateTime = dateTime;
+ this.offset = offset;
+ this.zone = zone;
+ }
+
+ /**
+ * Resolves the new local date-time using this zone ID, retaining the offset if possible.
+ *
+ * @param newDateTime the new local date-time, not null
+ * @return the zoned date-time, not null
+ */
+ private ZonedDateTime resolveLocal(LocalDateTime newDateTime) {
+ return ofLocal(newDateTime, zone, offset);
+ }
+
+ /**
+ * Resolves the new local date-time using the offset to identify the instant.
+ *
+ * @param newDateTime the new local date-time, not null
+ * @return the zoned date-time, not null
+ */
+ private ZonedDateTime resolveInstant(LocalDateTime newDateTime) {
+ return ofInstant(newDateTime, offset, zone);
+ }
+
+ /**
+ * Resolves the offset into this zoned date-time for the with methods.
+ * <p>
+ * This typically ignores the offset, unless it can be used to switch offset in a DST overlap.
+ *
+ * @param offset the offset, not null
+ * @return the zoned date-time, not null
+ */
+ private ZonedDateTime resolveOffset(ZoneOffset offset) {
+ if (offset.equals(this.offset) == false && zone.getRules().isValidOffset(dateTime, offset)) {
+ return new ZonedDateTime(dateTime, offset, zone);
+ }
+ return this;
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Checks if the specified field is supported.
+ * <p>
+ * This checks if this date-time can be queried for the specified field.
+ * If false, then calling the {@link #range(TemporalField) range},
+ * {@link #get(TemporalField) get} and {@link #with(TemporalField, long)}
+ * methods will throw an exception.
+ * <p>
+ * If the field is a {@link ChronoField} then the query is implemented here.
+ * The supported fields are:
+ * <ul>
+ * <li>{@code NANO_OF_SECOND}
+ * <li>{@code NANO_OF_DAY}
+ * <li>{@code MICRO_OF_SECOND}
+ * <li>{@code MICRO_OF_DAY}
+ * <li>{@code MILLI_OF_SECOND}
+ * <li>{@code MILLI_OF_DAY}
+ * <li>{@code SECOND_OF_MINUTE}
+ * <li>{@code SECOND_OF_DAY}
+ * <li>{@code MINUTE_OF_HOUR}
+ * <li>{@code MINUTE_OF_DAY}
+ * <li>{@code HOUR_OF_AMPM}
+ * <li>{@code CLOCK_HOUR_OF_AMPM}
+ * <li>{@code HOUR_OF_DAY}
+ * <li>{@code CLOCK_HOUR_OF_DAY}
+ * <li>{@code AMPM_OF_DAY}
+ * <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 PROLEPTIC_MONTH}
+ * <li>{@code YEAR_OF_ERA}
+ * <li>{@code YEAR}
+ * <li>{@code ERA}
+ * <li>{@code INSTANT_SECONDS}
+ * <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.isSupportedBy(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-time, false if not
+ */
+ @Override
+ public boolean isSupported(TemporalField field) {
+ return field instanceof ChronoField || (field != null && field.isSupportedBy(this));
+ }
+
+ /**
+ * Checks if the specified unit is supported.
+ * <p>
+ * This checks if the specified unit can be added to, or subtracted from, this date-time.
+ * If false, then calling the {@link #plus(long, TemporalUnit)} and
+ * {@link #minus(long, TemporalUnit) minus} methods will throw an exception.
+ * <p>
+ * If the unit is a {@link ChronoUnit} then the query is implemented here.
+ * The supported units are:
+ * <ul>
+ * <li>{@code NANOS}
+ * <li>{@code MICROS}
+ * <li>{@code MILLIS}
+ * <li>{@code SECONDS}
+ * <li>{@code MINUTES}
+ * <li>{@code HOURS}
+ * <li>{@code HALF_DAYS}
+ * <li>{@code DAYS}
+ * <li>{@code WEEKS}
+ * <li>{@code MONTHS}
+ * <li>{@code YEARS}
+ * <li>{@code DECADES}
+ * <li>{@code CENTURIES}
+ * <li>{@code MILLENNIA}
+ * <li>{@code ERAS}
+ * </ul>
+ * All other {@code ChronoUnit} instances will return false.
+ * <p>
+ * If the unit is not a {@code ChronoUnit}, then the result of this method
+ * is obtained by invoking {@code TemporalUnit.isSupportedBy(Temporal)}
+ * passing {@code this} as the argument.
+ * Whether the unit is supported is determined by the unit.
+ *
+ * @param unit the unit to check, null returns false
+ * @return true if the unit can be added/subtracted, false if not
+ */
+ @Override // override for Javadoc
+ public boolean isSupported(TemporalUnit unit) {
+ return ChronoZonedDateTime.super.isSupported(unit);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * 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-time 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 an {@code UnsupportedTemporalTypeException}.
+ * <p>
+ * If the field is not a {@code ChronoField}, then the result of this method
+ * is obtained by invoking {@code TemporalField.rangeRefinedBy(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
+ * @throws UnsupportedTemporalTypeException if the field is not supported
+ */
+ @Override
+ public ValueRange range(TemporalField field) {
+ if (field instanceof ChronoField) {
+ if (field == INSTANT_SECONDS || field == OFFSET_SECONDS) {
+ return field.range();
+ }
+ return dateTime.range(field);
+ }
+ return field.rangeRefinedBy(this);
+ }
+
+ /**
+ * Gets the value of the specified field from this date-time as an {@code int}.
+ * <p>
+ * This queries this date-time for the value of 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-time, except {@code NANO_OF_DAY}, {@code MICRO_OF_DAY},
+ * {@code EPOCH_DAY}, {@code PROLEPTIC_MONTH} and {@code INSTANT_SECONDS} which are too
+ * large to fit in an {@code int} and throw an {@code UnsupportedTemporalTypeException}.
+ * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
+ * <p>
+ * If the field is not a {@code ChronoField}, then the result of this method
+ * is obtained by invoking {@code TemporalField.getFrom(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 or
+ * the value is outside the range of valid values for the field
+ * @throws UnsupportedTemporalTypeException if the field is not supported or
+ * the range of values exceeds an {@code int}
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override // override for Javadoc and performance
+ public int get(TemporalField field) {
+ if (field instanceof ChronoField) {
+ switch ((ChronoField) field) {
+ case INSTANT_SECONDS:
+ throw new UnsupportedTemporalTypeException("Invalid field 'InstantSeconds' for get() method, use getLong() instead");
+ case OFFSET_SECONDS:
+ return getOffset().getTotalSeconds();
+ }
+ return dateTime.get(field);
+ }
+ return ChronoZonedDateTime.super.get(field);
+ }
+
+ /**
+ * Gets the value of the specified field from this date-time as a {@code long}.
+ * <p>
+ * This queries this date-time for the value of 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-time.
+ * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
+ * <p>
+ * If the field is not a {@code ChronoField}, then the result of this method
+ * is obtained by invoking {@code TemporalField.getFrom(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 UnsupportedTemporalTypeException if the field is not supported
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override
+ public long getLong(TemporalField field) {
+ if (field instanceof ChronoField) {
+ switch ((ChronoField) field) {
+ case INSTANT_SECONDS: return toEpochSecond();
+ case OFFSET_SECONDS: return getOffset().getTotalSeconds();
+ }
+ return dateTime.getLong(field);
+ }
+ return field.getFrom(this);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Gets the zone offset, such as '+01:00'.
+ * <p>
+ * This is the offset of the local date-time from UTC/Greenwich.
+ *
+ * @return the zone offset, not null
+ */
+ @Override
+ public ZoneOffset getOffset() {
+ return offset;
+ }
+
+ /**
+ * Returns a copy of this date-time changing the zone offset to the
+ * earlier of the two valid offsets at a local time-line overlap.
+ * <p>
+ * This method only has any effect when the local time-line overlaps, such as
+ * at an autumn daylight savings cutover. In this scenario, there are two
+ * valid offsets for the local date-time. Calling this method will return
+ * a zoned date-time with the earlier of the two selected.
+ * <p>
+ * If this method is called when it is not an overlap, {@code this}
+ * is returned.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @return a {@code ZonedDateTime} based on this date-time with the earlier offset, not null
+ */
+ @Override
+ public ZonedDateTime withEarlierOffsetAtOverlap() {
+ ZoneOffsetTransition trans = getZone().getRules().getTransition(dateTime);
+ if (trans != null && trans.isOverlap()) {
+ ZoneOffset earlierOffset = trans.getOffsetBefore();
+ if (earlierOffset.equals(offset) == false) {
+ return new ZonedDateTime(dateTime, earlierOffset, zone);
+ }
+ }
+ return this;
+ }
+
+ /**
+ * Returns a copy of this date-time changing the zone offset to the
+ * later of the two valid offsets at a local time-line overlap.
+ * <p>
+ * This method only has any effect when the local time-line overlaps, such as
+ * at an autumn daylight savings cutover. In this scenario, there are two
+ * valid offsets for the local date-time. Calling this method will return
+ * a zoned date-time with the later of the two selected.
+ * <p>
+ * If this method is called when it is not an overlap, {@code this}
+ * is returned.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @return a {@code ZonedDateTime} based on this date-time with the later offset, not null
+ */
+ @Override
+ public ZonedDateTime withLaterOffsetAtOverlap() {
+ ZoneOffsetTransition trans = getZone().getRules().getTransition(toLocalDateTime());
+ if (trans != null) {
+ ZoneOffset laterOffset = trans.getOffsetAfter();
+ if (laterOffset.equals(offset) == false) {
+ return new ZonedDateTime(dateTime, laterOffset, zone);
+ }
+ }
+ return this;
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Gets the time-zone, such as 'Europe/Paris'.
+ * <p>
+ * This returns the zone ID. This identifies the time-zone {@link ZoneRules rules}
+ * that determine when and how the offset from UTC/Greenwich changes.
+ * <p>
+ * The zone ID may be same as the {@linkplain #getOffset() offset}.
+ * If this is true, then any future calculations, such as addition or subtraction,
+ * have no complex edge cases due to time-zone rules.
+ * See also {@link #withFixedOffsetZone()}.
+ *
+ * @return the time-zone, not null
+ */
+ @Override
+ public ZoneId getZone() {
+ return zone;
+ }
+
+ /**
+ * Returns a copy of this date-time with a different time-zone,
+ * retaining the local date-time if possible.
+ * <p>
+ * This method changes the time-zone and retains the local date-time.
+ * The local date-time is only changed if it is invalid for the new zone,
+ * determined using the same approach as
+ * {@link #ofLocal(LocalDateTime, ZoneId, ZoneOffset)}.
+ * <p>
+ * To change the zone and adjust the local date-time,
+ * use {@link #withZoneSameInstant(ZoneId)}.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param zone the time-zone to change to, not null
+ * @return a {@code ZonedDateTime} based on this date-time with the requested zone, not null
+ */
+ @Override
+ public ZonedDateTime withZoneSameLocal(ZoneId zone) {
+ Objects.requireNonNull(zone, "zone");
+ return this.zone.equals(zone) ? this : ofLocal(dateTime, zone, offset);
+ }
+
+ /**
+ * Returns a copy of this date-time with a different time-zone,
+ * retaining the instant.
+ * <p>
+ * This method changes the time-zone and retains the instant.
+ * This normally results in a change to the local date-time.
+ * <p>
+ * This method is based on retaining the same instant, thus gaps and overlaps
+ * in the local time-line have no effect on the result.
+ * <p>
+ * To change the offset while keeping the local time,
+ * use {@link #withZoneSameLocal(ZoneId)}.
+ *
+ * @param zone the time-zone to change to, not null
+ * @return a {@code ZonedDateTime} based on this date-time with the requested zone, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ @Override
+ public ZonedDateTime withZoneSameInstant(ZoneId zone) {
+ Objects.requireNonNull(zone, "zone");
+ return this.zone.equals(zone) ? this :
+ create(dateTime.toEpochSecond(offset), dateTime.getNano(), zone);
+ }
+
+ /**
+ * Returns a copy of this date-time with the zone ID set to the offset.
+ * <p>
+ * This returns a zoned date-time where the zone ID is the same as {@link #getOffset()}.
+ * The local date-time, offset and instant of the result will be the same as in this date-time.
+ * <p>
+ * Setting the date-time to a fixed single offset means that any future
+ * calculations, such as addition or subtraction, have no complex edge cases
+ * due to time-zone rules.
+ * This might also be useful when sending a zoned date-time across a network,
+ * as most protocols, such as ISO-8601, only handle offsets,
+ * and not region-based zone IDs.
+ * <p>
+ * This is equivalent to {@code ZonedDateTime.of(zdt.toLocalDateTime(), zdt.getOffset())}.
+ *
+ * @return a {@code ZonedDateTime} with the zone ID set to the offset, not null
+ */
+ public ZonedDateTime withFixedOffsetZone() {
+ return this.zone.equals(offset) ? this : new ZonedDateTime(dateTime, offset, offset);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Gets the {@code LocalDateTime} part of this date-time.
+ * <p>
+ * This returns a {@code LocalDateTime} with the same year, month, day and time
+ * as this date-time.
+ *
+ * @return the local date-time part of this date-time, not null
+ */
+ @Override // override for return type
+ public LocalDateTime toLocalDateTime() {
+ return dateTime;
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * 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
+ */
+ @Override // override for return type
+ public LocalDate toLocalDate() {
+ return dateTime.toLocalDate();
+ }
+
+ /**
+ * 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 dateTime.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 dateTime.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 dateTime.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 dateTime.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 dateTime.getDayOfYear();
+ }
+
+ /**
+ * Gets the day-of-week field, which is an enum {@code DayOfWeek}.
+ * <p>
+ * This method returns the enum {@link 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 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 dateTime.getDayOfWeek();
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Gets the {@code LocalTime} part of this date-time.
+ * <p>
+ * This returns a {@code LocalTime} with the same hour, minute, second and
+ * nanosecond as this date-time.
+ *
+ * @return the time part of this date-time, not null
+ */
+ @Override // override for Javadoc and performance
+ public LocalTime toLocalTime() {
+ return dateTime.toLocalTime();
+ }
+
+ /**
+ * Gets the hour-of-day field.
+ *
+ * @return the hour-of-day, from 0 to 23
+ */
+ public int getHour() {
+ return dateTime.getHour();
+ }
+
+ /**
+ * Gets the minute-of-hour field.
+ *
+ * @return the minute-of-hour, from 0 to 59
+ */
+ public int getMinute() {
+ return dateTime.getMinute();
+ }
+
+ /**
+ * Gets the second-of-minute field.
+ *
+ * @return the second-of-minute, from 0 to 59
+ */
+ public int getSecond() {
+ return dateTime.getSecond();
+ }
+
+ /**
+ * Gets the nano-of-second field.
+ *
+ * @return the nano-of-second, from 0 to 999,999,999
+ */
+ public int getNano() {
+ return dateTime.getNano();
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns an adjusted copy of this date-time.
+ * <p>
+ * This returns a {@code ZonedDateTime}, based on this one, with the date-time 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.TemporalAdjusters TemporalAdjusters}.
+ * 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.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.TemporalAdjusters.*;
+ *
+ * result = zonedDateTime.with(JULY).with(lastDayOfMonth());
+ * </pre>
+ * <p>
+ * The classes {@link LocalDate} and {@link LocalTime} implement {@code TemporalAdjuster},
+ * thus this method can be used to change the date, time or offset:
+ * <pre>
+ * result = zonedDateTime.with(date);
+ * result = zonedDateTime.with(time);
+ * </pre>
+ * <p>
+ * {@link ZoneOffset} also implements {@code TemporalAdjuster} however using it
+ * as an argument typically has no effect. The offset of a {@code ZonedDateTime} is
+ * controlled primarily by the time-zone. As such, changing the offset does not generally
+ * make sense, because there is only one valid offset for the local date-time and zone.
+ * If the zoned date-time is in a daylight savings overlap, then the offset is used
+ * to switch between the two valid offsets. In all other cases, the offset is ignored.
+ * <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 a {@code ZonedDateTime} 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 ZonedDateTime with(TemporalAdjuster adjuster) {
+ // optimizations
+ if (adjuster instanceof LocalDate) {
+ return resolveLocal(LocalDateTime.of((LocalDate) adjuster, dateTime.toLocalTime()));
+ } else if (adjuster instanceof LocalTime) {
+ return resolveLocal(LocalDateTime.of(dateTime.toLocalDate(), (LocalTime) adjuster));
+ } else if (adjuster instanceof LocalDateTime) {
+ return resolveLocal((LocalDateTime) adjuster);
+ } else if (adjuster instanceof OffsetDateTime) {
+ OffsetDateTime odt = (OffsetDateTime) adjuster;
+ return ofLocal(odt.toLocalDateTime(), zone, odt.getOffset());
+ } else if (adjuster instanceof Instant) {
+ Instant instant = (Instant) adjuster;
+ return create(instant.getEpochSecond(), instant.getNano(), zone);
+ } else if (adjuster instanceof ZoneOffset) {
+ return resolveOffset((ZoneOffset) adjuster);
+ }
+ return (ZonedDateTime) adjuster.adjustInto(this);
+ }
+
+ /**
+ * Returns a copy of this date-time with the specified field set to a new value.
+ * <p>
+ * This returns a {@code ZonedDateTime}, 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-time 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 INSTANT_SECONDS} field will return a date-time with the specified instant.
+ * The zone and nano-of-second are unchanged.
+ * The result will have an offset derived from the new instant and original zone.
+ * If the new instant value is outside the valid range then a {@code DateTimeException} will be thrown.
+ * <p>
+ * The {@code OFFSET_SECONDS} field will typically be ignored.
+ * The offset of a {@code ZonedDateTime} is controlled primarily by the time-zone.
+ * As such, changing the offset does not generally make sense, because there is only
+ * one valid offset for the local date-time and zone.
+ * If the zoned date-time is in a daylight savings overlap, then the offset is used
+ * to switch between the two valid offsets. In all other cases, the offset is ignored.
+ * 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 LocalDateTime#with(TemporalField, long) LocalDateTime}.
+ * The zone is not part of the calculation and will be unchanged.
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
+ * <p>
+ * If the field is not a {@code ChronoField}, then the result of this method
+ * is obtained by invoking {@code TemporalField.adjustInto(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 a {@code ZonedDateTime} based on {@code this} with the specified field set, not null
+ * @throws DateTimeException if the field cannot be set
+ * @throws UnsupportedTemporalTypeException if the field is not supported
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override
+ public ZonedDateTime with(TemporalField field, long newValue) {
+ if (field instanceof ChronoField) {
+ ChronoField f = (ChronoField) field;
+ switch (f) {
+ case INSTANT_SECONDS:
+ return create(newValue, getNano(), zone);
+ case OFFSET_SECONDS:
+ ZoneOffset offset = ZoneOffset.ofTotalSeconds(f.checkValidIntValue(newValue));
+ return resolveOffset(offset);
+ }
+ return resolveLocal(dateTime.with(field, newValue));
+ }
+ return field.adjustInto(this, newValue);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the year altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#withYear(int) changing the year} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <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 a {@code ZonedDateTime} based on this date-time with the requested year, not null
+ * @throws DateTimeException if the year value is invalid
+ */
+ public ZonedDateTime withYear(int year) {
+ return resolveLocal(dateTime.withYear(year));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the month-of-year altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#withMonth(int) changing the month} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <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 a {@code ZonedDateTime} based on this date-time with the requested month, not null
+ * @throws DateTimeException if the month-of-year value is invalid
+ */
+ public ZonedDateTime withMonth(int month) {
+ return resolveLocal(dateTime.withMonth(month));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the day-of-month altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#withDayOfMonth(int) changing the day-of-month} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <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 a {@code ZonedDateTime} based on this date-time with the requested day, not null
+ * @throws DateTimeException if the day-of-month value is invalid,
+ * or if the day-of-month is invalid for the month-year
+ */
+ public ZonedDateTime withDayOfMonth(int dayOfMonth) {
+ return resolveLocal(dateTime.withDayOfMonth(dayOfMonth));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the day-of-year altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#withDayOfYear(int) changing the day-of-year} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <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 a {@code ZonedDateTime} based on this date with the requested day, not null
+ * @throws DateTimeException if the day-of-year value is invalid,
+ * or if the day-of-year is invalid for the year
+ */
+ public ZonedDateTime withDayOfYear(int dayOfYear) {
+ return resolveLocal(dateTime.withDayOfYear(dayOfYear));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the hour-of-day altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@linkplain LocalDateTime#withHour(int) changing the time} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param hour the hour-of-day to set in the result, from 0 to 23
+ * @return a {@code ZonedDateTime} based on this date-time with the requested hour, not null
+ * @throws DateTimeException if the hour value is invalid
+ */
+ public ZonedDateTime withHour(int hour) {
+ return resolveLocal(dateTime.withHour(hour));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the minute-of-hour altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@linkplain LocalDateTime#withMinute(int) changing the time} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param minute the minute-of-hour to set in the result, from 0 to 59
+ * @return a {@code ZonedDateTime} based on this date-time with the requested minute, not null
+ * @throws DateTimeException if the minute value is invalid
+ */
+ public ZonedDateTime withMinute(int minute) {
+ return resolveLocal(dateTime.withMinute(minute));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the second-of-minute altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@linkplain LocalDateTime#withSecond(int) changing the time} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param second the second-of-minute to set in the result, from 0 to 59
+ * @return a {@code ZonedDateTime} based on this date-time with the requested second, not null
+ * @throws DateTimeException if the second value is invalid
+ */
+ public ZonedDateTime withSecond(int second) {
+ return resolveLocal(dateTime.withSecond(second));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the nano-of-second altered.
+ * <p>
+ * This operates on the local time-line,
+ * {@linkplain LocalDateTime#withNano(int) changing the time} of the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param nanoOfSecond the nano-of-second to set in the result, from 0 to 999,999,999
+ * @return a {@code ZonedDateTime} based on this date-time with the requested nanosecond, not null
+ * @throws DateTimeException if the nano value is invalid
+ */
+ public ZonedDateTime withNano(int nanoOfSecond) {
+ return resolveLocal(dateTime.withNano(nanoOfSecond));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the time truncated.
+ * <p>
+ * Truncation returns a copy of the original date-time with fields
+ * smaller than the specified unit set to zero.
+ * For example, truncating with the {@link ChronoUnit#MINUTES minutes} unit
+ * will set the second-of-minute and nano-of-second field to zero.
+ * <p>
+ * The unit must have a {@linkplain TemporalUnit#getDuration() duration}
+ * that divides into the length of a standard day without remainder.
+ * This includes all supplied time units on {@link ChronoUnit} and
+ * {@link ChronoUnit#DAYS DAYS}. Other units throw an exception.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#truncatedTo(TemporalUnit) truncating}
+ * the underlying local date-time. This is then converted back to a
+ * {@code ZonedDateTime}, using the zone ID to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param unit the unit to truncate to, not null
+ * @return a {@code ZonedDateTime} based on this date-time with the time truncated, not null
+ * @throws DateTimeException if unable to truncate
+ * @throws UnsupportedTemporalTypeException if the unit is not supported
+ */
+ public ZonedDateTime truncatedTo(TemporalUnit unit) {
+ return resolveLocal(dateTime.truncatedTo(unit));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this date-time with the specified amount added.
+ * <p>
+ * This returns a {@code ZonedDateTime}, based on this one, with the specified amount added.
+ * The amount is typically {@link Period} or {@link Duration} but may be
+ * any other type implementing the {@link TemporalAmount} interface.
+ * <p>
+ * The calculation is delegated to the amount object by calling
+ * {@link TemporalAmount#addTo(Temporal)}. The amount implementation is free
+ * to implement the addition in any way it wishes, however it typically
+ * calls back to {@link #plus(long, TemporalUnit)}. Consult the documentation
+ * of the amount implementation to determine if it can be successfully added.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param amountToAdd the amount to add, not null
+ * @return a {@code ZonedDateTime} based on this date-time with the addition made, not null
+ * @throws DateTimeException if the addition cannot be made
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override
+ public ZonedDateTime plus(TemporalAmount amountToAdd) {
+ if (amountToAdd instanceof Period) {
+ Period periodToAdd = (Period) amountToAdd;
+ return resolveLocal(dateTime.plus(periodToAdd));
+ }
+ Objects.requireNonNull(amountToAdd, "amountToAdd");
+ return (ZonedDateTime) amountToAdd.addTo(this);
+ }
+
+ /**
+ * Returns a copy of this date-time with the specified amount added.
+ * <p>
+ * This returns a {@code ZonedDateTime}, based on this one, with the amount
+ * in terms of the unit added. If it is not possible to add the amount, because the
+ * unit is not supported or for some other reason, an exception is thrown.
+ * <p>
+ * If the field is a {@link ChronoUnit} then the addition is implemented here.
+ * The zone is not part of the calculation and will be unchanged in the result.
+ * The calculation for date and time units differ.
+ * <p>
+ * Date units operate on the local time-line.
+ * The period is first added to the local date-time, then converted back
+ * to a zoned date-time using the zone ID.
+ * The conversion uses {@link #ofLocal(LocalDateTime, ZoneId, ZoneOffset)}
+ * with the offset before the addition.
+ * <p>
+ * Time units operate on the instant time-line.
+ * The period is first added to the local date-time, then converted back to
+ * a zoned date-time using the zone ID.
+ * The conversion uses {@link #ofInstant(LocalDateTime, ZoneOffset, ZoneId)}
+ * with the offset before the addition.
+ * <p>
+ * If the field is not a {@code ChronoUnit}, then the result of this method
+ * is obtained by invoking {@code TemporalUnit.addTo(Temporal, long)}
+ * passing {@code this} as the argument. In this case, the unit determines
+ * whether and how to perform the addition.
+ * <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 amount to add, not null
+ * @return a {@code ZonedDateTime} based on this date-time with the specified amount added, not null
+ * @throws DateTimeException if the addition cannot be made
+ * @throws UnsupportedTemporalTypeException if the unit is not supported
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override
+ public ZonedDateTime plus(long amountToAdd, TemporalUnit unit) {
+ if (unit instanceof ChronoUnit) {
+ if (unit.isDateBased()) {
+ return resolveLocal(dateTime.plus(amountToAdd, unit));
+ } else {
+ return resolveInstant(dateTime.plus(amountToAdd, unit));
+ }
+ }
+ return unit.addTo(this, amountToAdd);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of years added.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#plusYears(long) adding years} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param years the years to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the years added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusYears(long years) {
+ return resolveLocal(dateTime.plusYears(years));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of months added.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#plusMonths(long) adding months} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param months the months to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the months added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusMonths(long months) {
+ return resolveLocal(dateTime.plusMonths(months));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of weeks added.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#plusWeeks(long) adding weeks} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param weeks the weeks to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the weeks added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusWeeks(long weeks) {
+ return resolveLocal(dateTime.plusWeeks(weeks));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of days added.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#plusDays(long) adding days} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param days the days to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the days added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusDays(long days) {
+ return resolveLocal(dateTime.plusDays(days));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of hours added.
+ * <p>
+ * This operates on the instant time-line, such that adding one hour will
+ * always be a duration of one hour later.
+ * This may cause the local date-time to change by an amount other than one hour.
+ * Note that this is a different approach to that used by days, months and years,
+ * thus adding one day is not the same as adding 24 hours.
+ * <p>
+ * For example, consider a time-zone, such as 'Europe/Paris', where the
+ * Autumn DST cutover means that the local times 02:00 to 02:59 occur twice
+ * changing from offset +02:00 in summer to +01:00 in winter.
+ * <ul>
+ * <li>Adding one hour to 01:30+02:00 will result in 02:30+02:00
+ * (both in summer time)
+ * <li>Adding one hour to 02:30+02:00 will result in 02:30+01:00
+ * (moving from summer to winter time)
+ * <li>Adding one hour to 02:30+01:00 will result in 03:30+01:00
+ * (both in winter time)
+ * <li>Adding three hours to 01:30+02:00 will result in 03:30+01:00
+ * (moving from summer to winter time)
+ * </ul>
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param hours the hours to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the hours added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusHours(long hours) {
+ return resolveInstant(dateTime.plusHours(hours));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of minutes added.
+ * <p>
+ * This operates on the instant time-line, such that adding one minute will
+ * always be a duration of one minute later.
+ * This may cause the local date-time to change by an amount other than one minute.
+ * Note that this is a different approach to that used by days, months and years.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param minutes the minutes to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the minutes added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusMinutes(long minutes) {
+ return resolveInstant(dateTime.plusMinutes(minutes));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of seconds added.
+ * <p>
+ * This operates on the instant time-line, such that adding one second will
+ * always be a duration of one second later.
+ * This may cause the local date-time to change by an amount other than one second.
+ * Note that this is a different approach to that used by days, months and years.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param seconds the seconds to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the seconds added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusSeconds(long seconds) {
+ return resolveInstant(dateTime.plusSeconds(seconds));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of nanoseconds added.
+ * <p>
+ * This operates on the instant time-line, such that adding one nano will
+ * always be a duration of one nano later.
+ * This may cause the local date-time to change by an amount other than one nano.
+ * Note that this is a different approach to that used by days, months and years.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param nanos the nanos to add, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the nanoseconds added, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime plusNanos(long nanos) {
+ return resolveInstant(dateTime.plusNanos(nanos));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this date-time with the specified amount subtracted.
+ * <p>
+ * This returns a {@code ZonedDateTime}, based on this one, with the specified amount subtracted.
+ * The amount is typically {@link Period} or {@link Duration} but may be
+ * any other type implementing the {@link TemporalAmount} interface.
+ * <p>
+ * The calculation is delegated to the amount object by calling
+ * {@link TemporalAmount#subtractFrom(Temporal)}. The amount implementation is free
+ * to implement the subtraction in any way it wishes, however it typically
+ * calls back to {@link #minus(long, TemporalUnit)}. Consult the documentation
+ * of the amount implementation to determine if it can be successfully subtracted.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param amountToSubtract the amount to subtract, not null
+ * @return a {@code ZonedDateTime} based on this date-time with the subtraction made, not null
+ * @throws DateTimeException if the subtraction cannot be made
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override
+ public ZonedDateTime minus(TemporalAmount amountToSubtract) {
+ if (amountToSubtract instanceof Period) {
+ Period periodToSubtract = (Period) amountToSubtract;
+ return resolveLocal(dateTime.minus(periodToSubtract));
+ }
+ Objects.requireNonNull(amountToSubtract, "amountToSubtract");
+ return (ZonedDateTime) amountToSubtract.subtractFrom(this);
+ }
+
+ /**
+ * Returns a copy of this date-time with the specified amount subtracted.
+ * <p>
+ * This returns a {@code ZonedDateTime}, based on this one, with the amount
+ * in terms of the unit subtracted. If it is not possible to subtract the amount,
+ * because the unit is not supported or for some other reason, an exception is thrown.
+ * <p>
+ * The calculation for date and time units differ.
+ * <p>
+ * Date units operate on the local time-line.
+ * The period is first subtracted from the local date-time, then converted back
+ * to a zoned date-time using the zone ID.
+ * The conversion uses {@link #ofLocal(LocalDateTime, ZoneId, ZoneOffset)}
+ * with the offset before the subtraction.
+ * <p>
+ * Time units operate on the instant time-line.
+ * The period is first subtracted from the local date-time, then converted back to
+ * a zoned date-time using the zone ID.
+ * The conversion uses {@link #ofInstant(LocalDateTime, ZoneOffset, ZoneId)}
+ * with the offset before the subtraction.
+ * <p>
+ * This method is equivalent to {@link #plus(long, TemporalUnit)} with the amount negated.
+ * See that method for a full description of how addition, and thus subtraction, works.
+ * <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 amount to subtract, not null
+ * @return a {@code ZonedDateTime} based on this date-time with the specified amount subtracted, not null
+ * @throws DateTimeException if the subtraction cannot be made
+ * @throws UnsupportedTemporalTypeException if the unit is not supported
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override
+ public ZonedDateTime 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 ZonedDateTime} with the specified number of years subtracted.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#minusYears(long) subtracting years} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param years the years to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the years subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusYears(long years) {
+ return (years == Long.MIN_VALUE ? plusYears(Long.MAX_VALUE).plusYears(1) : plusYears(-years));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of months subtracted.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#minusMonths(long) subtracting months} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param months the months to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the months subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusMonths(long months) {
+ return (months == Long.MIN_VALUE ? plusMonths(Long.MAX_VALUE).plusMonths(1) : plusMonths(-months));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of weeks subtracted.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#minusWeeks(long) subtracting weeks} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param weeks the weeks to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the weeks subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusWeeks(long weeks) {
+ return (weeks == Long.MIN_VALUE ? plusWeeks(Long.MAX_VALUE).plusWeeks(1) : plusWeeks(-weeks));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of days subtracted.
+ * <p>
+ * This operates on the local time-line,
+ * {@link LocalDateTime#minusDays(long) subtracting days} to the local date-time.
+ * This is then converted back to a {@code ZonedDateTime}, using the zone ID
+ * to obtain the offset.
+ * <p>
+ * When converting back to {@code ZonedDateTime}, if the local date-time is in an overlap,
+ * then the offset will be retained if possible, otherwise the earlier offset will be used.
+ * If in a gap, the local date-time will be adjusted forward by the length of the gap.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param days the days to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the days subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusDays(long days) {
+ return (days == Long.MIN_VALUE ? plusDays(Long.MAX_VALUE).plusDays(1) : plusDays(-days));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of hours subtracted.
+ * <p>
+ * This operates on the instant time-line, such that subtracting one hour will
+ * always be a duration of one hour earlier.
+ * This may cause the local date-time to change by an amount other than one hour.
+ * Note that this is a different approach to that used by days, months and years,
+ * thus subtracting one day is not the same as adding 24 hours.
+ * <p>
+ * For example, consider a time-zone, such as 'Europe/Paris', where the
+ * Autumn DST cutover means that the local times 02:00 to 02:59 occur twice
+ * changing from offset +02:00 in summer to +01:00 in winter.
+ * <ul>
+ * <li>Subtracting one hour from 03:30+01:00 will result in 02:30+01:00
+ * (both in winter time)
+ * <li>Subtracting one hour from 02:30+01:00 will result in 02:30+02:00
+ * (moving from winter to summer time)
+ * <li>Subtracting one hour from 02:30+02:00 will result in 01:30+02:00
+ * (both in summer time)
+ * <li>Subtracting three hours from 03:30+01:00 will result in 01:30+02:00
+ * (moving from winter to summer time)
+ * </ul>
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param hours the hours to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the hours subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusHours(long hours) {
+ return (hours == Long.MIN_VALUE ? plusHours(Long.MAX_VALUE).plusHours(1) : plusHours(-hours));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of minutes subtracted.
+ * <p>
+ * This operates on the instant time-line, such that subtracting one minute will
+ * always be a duration of one minute earlier.
+ * This may cause the local date-time to change by an amount other than one minute.
+ * Note that this is a different approach to that used by days, months and years.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param minutes the minutes to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the minutes subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusMinutes(long minutes) {
+ return (minutes == Long.MIN_VALUE ? plusMinutes(Long.MAX_VALUE).plusMinutes(1) : plusMinutes(-minutes));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of seconds subtracted.
+ * <p>
+ * This operates on the instant time-line, such that subtracting one second will
+ * always be a duration of one second earlier.
+ * This may cause the local date-time to change by an amount other than one second.
+ * Note that this is a different approach to that used by days, months and years.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param seconds the seconds to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the seconds subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusSeconds(long seconds) {
+ return (seconds == Long.MIN_VALUE ? plusSeconds(Long.MAX_VALUE).plusSeconds(1) : plusSeconds(-seconds));
+ }
+
+ /**
+ * Returns a copy of this {@code ZonedDateTime} with the specified number of nanoseconds subtracted.
+ * <p>
+ * This operates on the instant time-line, such that subtracting one nano will
+ * always be a duration of one nano earlier.
+ * This may cause the local date-time to change by an amount other than one nano.
+ * Note that this is a different approach to that used by days, months and years.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param nanos the nanos to subtract, may be negative
+ * @return a {@code ZonedDateTime} based on this date-time with the nanoseconds subtracted, not null
+ * @throws DateTimeException if the result exceeds the supported date range
+ */
+ public ZonedDateTime minusNanos(long nanos) {
+ return (nanos == Long.MIN_VALUE ? plusNanos(Long.MAX_VALUE).plusNanos(1) : plusNanos(-nanos));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Queries this date-time using the specified query.
+ * <p>
+ * This queries this date-time 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 // override for Javadoc
+ public <R> R query(TemporalQuery<R> query) {
+ if (query == TemporalQueries.localDate()) {
+ return (R) toLocalDate();
+ }
+ return ChronoZonedDateTime.super.query(query);
+ }
+
+ /**
+ * Calculates the amount of time until another date-time in terms of the specified unit.
+ * <p>
+ * This calculates the amount of time between two {@code ZonedDateTime}
+ * objects in terms of a single {@code TemporalUnit}.
+ * The start and end points are {@code this} and the specified date-time.
+ * The result will be negative if the end is before the start.
+ * For example, the amount in days between two date-times can be calculated
+ * using {@code startDateTime.until(endDateTime, DAYS)}.
+ * <p>
+ * The {@code Temporal} passed to this method is converted to a
+ * {@code ZonedDateTime} using {@link #from(TemporalAccessor)}.
+ * If the time-zone differs between the two zoned date-times, the specified
+ * end date-time is normalized to have the same zone as this date-time.
+ * <p>
+ * The calculation returns a whole number, representing the number of
+ * complete units between the two date-times.
+ * For example, the amount in months between 2012-06-15T00:00Z and 2012-08-14T23:59Z
+ * will only be one month as it is one minute short of two months.
+ * <p>
+ * There are two equivalent ways of using this method.
+ * The first is to invoke this method.
+ * The second is to use {@link TemporalUnit#between(Temporal, Temporal)}:
+ * <pre>
+ * // these two lines are equivalent
+ * amount = start.until(end, MONTHS);
+ * amount = MONTHS.between(start, end);
+ * </pre>
+ * The choice should be made based on which makes the code more readable.
+ * <p>
+ * The calculation is implemented in this method for {@link ChronoUnit}.
+ * The units {@code NANOS}, {@code MICROS}, {@code MILLIS}, {@code SECONDS},
+ * {@code MINUTES}, {@code HOURS} and {@code HALF_DAYS}, {@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>
+ * The calculation for date and time units differ.
+ * <p>
+ * Date units operate on the local time-line, using the local date-time.
+ * For example, the period from noon on day 1 to noon the following day
+ * in days will always be counted as exactly one day, irrespective of whether
+ * there was a daylight savings change or not.
+ * <p>
+ * Time units operate on the instant time-line.
+ * The calculation effectively converts both zoned date-times to instants
+ * and then calculates the period between the instants.
+ * For example, the period from noon on day 1 to noon the following day
+ * in hours may be 23, 24 or 25 hours (or some other amount) depending on
+ * whether there was a daylight savings change or not.
+ * <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 converted input temporal
+ * as the second argument.
+ * <p>
+ * This instance is immutable and unaffected by this method call.
+ *
+ * @param endExclusive the end date, exclusive, which is converted to a {@code ZonedDateTime}, not null
+ * @param unit the unit to measure the amount in, not null
+ * @return the amount of time between this date-time and the end date-time
+ * @throws DateTimeException if the amount cannot be calculated, or the end
+ * temporal cannot be converted to a {@code ZonedDateTime}
+ * @throws UnsupportedTemporalTypeException if the unit is not supported
+ * @throws ArithmeticException if numeric overflow occurs
+ */
+ @Override
+ public long until(Temporal endExclusive, TemporalUnit unit) {
+ ZonedDateTime end = ZonedDateTime.from(endExclusive);
+ if (unit instanceof ChronoUnit) {
+ end = end.withZoneSameInstant(zone);
+ if (unit.isDateBased()) {
+ return dateTime.until(end.dateTime, unit);
+ } else {
+ return toOffsetDateTime().until(end.toOffsetDateTime(), unit);
+ }
+ }
+ return unit.between(this, end);
+ }
+
+ /**
+ * Formats this date-time using the specified formatter.
+ * <p>
+ * This date-time will be passed to the formatter to produce a string.
+ *
+ * @param formatter the formatter to use, not null
+ * @return the formatted date-time string, not null
+ * @throws DateTimeException if an error occurs during printing
+ */
+ @Override // override for Javadoc and performance
+ public String format(DateTimeFormatter formatter) {
+ Objects.requireNonNull(formatter, "formatter");
+ return formatter.format(this);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Converts this date-time to an {@code OffsetDateTime}.
+ * <p>
+ * This creates an offset date-time using the local date-time and offset.
+ * The zone ID is ignored.
+ *
+ * @return an offset date-time representing the same local date-time and offset, not null
+ */
+ public OffsetDateTime toOffsetDateTime() {
+ return OffsetDateTime.of(dateTime, offset);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Checks if this date-time is equal to another date-time.
+ * <p>
+ * The comparison is based on the offset date-time and the zone.
+ * Only objects of type {@code ZonedDateTime} are compared, other types return false.
+ *
+ * @param obj the object to check, null returns false
+ * @return true if this is equal to the other date-time
+ */
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof ZonedDateTime) {
+ ZonedDateTime other = (ZonedDateTime) obj;
+ return dateTime.equals(other.dateTime) &&
+ offset.equals(other.offset) &&
+ zone.equals(other.zone);
+ }
+ return false;
+ }
+
+ /**
+ * A hash code for this date-time.
+ *
+ * @return a suitable hash code
+ */
+ @Override
+ public int hashCode() {
+ return dateTime.hashCode() ^ offset.hashCode() ^ Integer.rotateLeft(zone.hashCode(), 3);
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Outputs this date-time as a {@code String}, such as
+ * {@code 2007-12-03T10:15:30+01:00[Europe/Paris]}.
+ * <p>
+ * The format consists of the {@code LocalDateTime} followed by the {@code ZoneOffset}.
+ * If the {@code ZoneId} is not the same as the offset, then the ID is output.
+ * The output is compatible with ISO-8601 if the offset and ID are the same.
+ *
+ * @return a string representation of this date-time, not null
+ */
+ @Override // override for Javadoc
+ public String toString() {
+ String str = dateTime.toString() + offset.toString();
+ if (offset != zone) {
+ str += '[' + zone.toString() + ']';
+ }
+ return str;
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Writes the object using a
+ * <a href="../../serialized-form.html#java.time.Ser">dedicated serialized form</a>.
+ * @serialData
+ * <pre>
+ * out.writeByte(6); // identifies a ZonedDateTime
+ * // the <a href="../../serialized-form.html#java.time.LocalDateTime">dateTime</a> excluding the one byte header
+ * // the <a href="../../serialized-form.html#java.time.ZoneOffset">offset</a> excluding the one byte header
+ * // the <a href="../../serialized-form.html#java.time.ZoneId">zone ID</a> excluding the one byte header
+ * </pre>
+ *
+ * @return the instance of {@code Ser}, not null
+ */
+ private Object writeReplace() {
+ return new Ser(Ser.ZONE_DATE_TIME_TYPE, this);
+ }
+
+ /**
+ * Defend against malicious streams.
+ *
+ * @param s the stream to read
+ * @throws InvalidObjectException always
+ */
+ private void readObject(ObjectInputStream s) throws InvalidObjectException {
+ throw new InvalidObjectException("Deserialization via serialization delegate");
+ }
+
+ void writeExternal(DataOutput out) throws IOException {
+ dateTime.writeExternal(out);
+ offset.writeExternal(out);
+ zone.write(out);
+ }
+
+ static ZonedDateTime readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+ LocalDateTime dateTime = LocalDateTime.readExternal(in);
+ ZoneOffset offset = ZoneOffset.readExternal(in);
+ ZoneId zone = (ZoneId) Ser.read(in);
+ return ZonedDateTime.ofLenient(dateTime, offset, zone);
+ }
+
+}