--- a/jdk/src/share/classes/java/time/temporal/OffsetTime.java Tue Feb 12 16:02:14 2013 +0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1311 +0,0 @@
-/*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * This file is available under and governed by the GNU General Public
- * License version 2 only, as published by the Free Software Foundation.
- * However, the following notice accompanied the original version of this
- * file:
- *
- * Copyright (c) 2007-2012, Stephen Colebourne & Michael Nascimento Santos
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * * Neither the name of JSR-310 nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package java.time.temporal;
-
-import static java.time.temporal.ChronoField.NANO_OF_DAY;
-import static java.time.temporal.ChronoField.OFFSET_SECONDS;
-import static java.time.temporal.ChronoLocalDateTimeImpl.NANOS_PER_HOUR;
-import static java.time.temporal.ChronoLocalDateTimeImpl.NANOS_PER_MINUTE;
-import static java.time.temporal.ChronoLocalDateTimeImpl.NANOS_PER_SECOND;
-import static java.time.temporal.ChronoLocalDateTimeImpl.SECONDS_PER_DAY;
-import static java.time.temporal.ChronoUnit.NANOS;
-
-import java.io.IOException;
-import java.io.InvalidObjectException;
-import java.io.ObjectInput;
-import java.io.ObjectOutput;
-import java.io.ObjectStreamException;
-import java.io.Serializable;
-import java.time.Clock;
-import java.time.DateTimeException;
-import java.time.Instant;
-import java.time.LocalDate;
-import java.time.LocalTime;
-import java.time.ZoneId;
-import java.time.ZoneOffset;
-import java.time.format.DateTimeFormatter;
-import java.time.format.DateTimeFormatters;
-import java.time.format.DateTimeParseException;
-import java.time.zone.ZoneRules;
-import java.util.Objects;
-
-/**
- * A time with an offset from UTC/Greenwich in the ISO-8601 calendar system,
- * such as {@code 10:15:30+01:00}.
- * <p>
- * {@code OffsetTime} is an immutable date-time object that represents a time, often
- * viewed as hour-minute-second-offset.
- * This class stores all time fields, to a precision of nanoseconds,
- * as well as a zone offset.
- * For example, the value "13:45.30.123456789+02:00" can be stored
- * in an {@code OffsetTime}.
- *
- * <h3>Specification for implementors</h3>
- * This class is immutable and thread-safe.
- *
- * @since 1.8
- */
-public final class OffsetTime
- implements Temporal, TemporalAdjuster, Comparable<OffsetTime>, Serializable {
-
- /**
- * The minimum supported {@code OffsetTime}, '00:00:00+18:00'.
- * This is the time of midnight at the start of the day in the maximum offset
- * (larger offsets are earlier on the time-line).
- * This combines {@link LocalTime#MIN} and {@link ZoneOffset#MAX}.
- * This could be used by an application as a "far past" date.
- */
- public static final OffsetTime MIN = LocalTime.MIN.atOffset(ZoneOffset.MAX);
- /**
- * The maximum supported {@code OffsetTime}, '23:59:59.999999999-18:00'.
- * This is the time just before midnight at the end of the day in the minimum offset
- * (larger negative offsets are later on the time-line).
- * This combines {@link LocalTime#MAX} and {@link ZoneOffset#MIN}.
- * This could be used by an application as a "far future" date.
- */
- public static final OffsetTime MAX = LocalTime.MAX.atOffset(ZoneOffset.MIN);
-
- /**
- * Serialization version.
- */
- private static final long serialVersionUID = 7264499704384272492L;
-
- /**
- * The local date-time.
- */
- private final LocalTime time;
- /**
- * The offset from UTC/Greenwich.
- */
- private final ZoneOffset offset;
-
- //-----------------------------------------------------------------------
- /**
- * Obtains the current time from the system clock in the default time-zone.
- * <p>
- * This will query the {@link java.time.Clock#systemDefaultZone() system clock} in the default
- * time-zone to obtain the current time.
- * The offset will be calculated from the time-zone in the clock.
- * <p>
- * Using this method will prevent the ability to use an alternate clock for testing
- * because the clock is hard-coded.
- *
- * @return the current time using the system clock, not null
- */
- public static OffsetTime now() {
- return now(Clock.systemDefaultZone());
- }
-
- /**
- * Obtains the current time from the system clock in the specified time-zone.
- * <p>
- * This will query the {@link Clock#system(java.time.ZoneId) system clock} to obtain the current 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 time using the system clock, not null
- */
- public static OffsetTime now(ZoneId zone) {
- return now(Clock.system(zone));
- }
-
- /**
- * Obtains the current time from the specified clock.
- * <p>
- * This will query the specified clock to obtain the current time.
- * The offset will be calculated from the time-zone in the clock.
- * <p>
- * Using this method allows the use of an alternate clock for testing.
- * The alternate clock may be introduced using {@link Clock dependency injection}.
- *
- * @param clock the clock to use, not null
- * @return the current time, not null
- */
- public static OffsetTime now(Clock clock) {
- Objects.requireNonNull(clock, "clock");
- final Instant now = clock.instant(); // called once
- return ofInstant(now, clock.getZone().getRules().getOffset(now));
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetTime} from a local time and an offset.
- *
- * @param time the local time, not null
- * @param offset the zone offset, not null
- * @return the offset time, not null
- */
- public static OffsetTime of(LocalTime time, ZoneOffset offset) {
- return new OffsetTime(time, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetTime} from an {@code Instant} and zone ID.
- * <p>
- * This creates an offset time with the same instant as that specified.
- * Finding the offset from UTC/Greenwich is simple as there is only one valid
- * offset for each instant.
- * <p>
- * The date component of the instant is dropped during the conversion.
- * This means that the conversion can never fail due to the instant being
- * out of the valid range of dates.
- *
- * @param instant the instant to create the time from, not null
- * @param zone the time-zone, which may be an offset, not null
- * @return the offset time, not null
- */
- public static OffsetTime ofInstant(Instant instant, ZoneId zone) {
- Objects.requireNonNull(instant, "instant");
- Objects.requireNonNull(zone, "zone");
- ZoneRules rules = zone.getRules();
- ZoneOffset offset = rules.getOffset(instant);
- long secsOfDay = instant.getEpochSecond() % SECONDS_PER_DAY;
- secsOfDay = (secsOfDay + offset.getTotalSeconds()) % SECONDS_PER_DAY;
- if (secsOfDay < 0) {
- secsOfDay += SECONDS_PER_DAY;
- }
- LocalTime time = LocalTime.ofSecondOfDay(secsOfDay, instant.getNano());
- return new OffsetTime(time, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetTime} from a temporal object.
- * <p>
- * A {@code TemporalAccessor} represents some form of date and time information.
- * This factory converts the arbitrary temporal object to an instance of {@code OffsetTime}.
- * <p>
- * The conversion extracts and combines {@code LocalTime} and {@code ZoneOffset}.
- * <p>
- * This method matches the signature of the functional interface {@link TemporalQuery}
- * allowing it to be used in queries via method reference, {@code OffsetTime::from}.
- *
- * @param temporal the temporal object to convert, not null
- * @return the offset time, not null
- * @throws DateTimeException if unable to convert to an {@code OffsetTime}
- */
- public static OffsetTime from(TemporalAccessor temporal) {
- if (temporal instanceof OffsetTime) {
- return (OffsetTime) temporal;
- }
- try {
- LocalTime time = LocalTime.from(temporal);
- ZoneOffset offset = ZoneOffset.from(temporal);
- return new OffsetTime(time, offset);
- } catch (DateTimeException ex) {
- throw new DateTimeException("Unable to obtain OffsetTime from TemporalAccessor: " + temporal.getClass(), ex);
- }
- }
-
- //-----------------------------------------------------------------------
- /**
- * Obtains an instance of {@code OffsetTime} from a text string such as {@code 10:15:30+01:00}.
- * <p>
- * The string must represent a valid time and is parsed using
- * {@link java.time.format.DateTimeFormatters#isoOffsetTime()}.
- *
- * @param text the text to parse such as "10:15:30+01:00", not null
- * @return the parsed local time, not null
- * @throws DateTimeParseException if the text cannot be parsed
- */
- public static OffsetTime parse(CharSequence text) {
- return parse(text, DateTimeFormatters.isoOffsetTime());
- }
-
- /**
- * Obtains an instance of {@code OffsetTime} from a text string using a specific formatter.
- * <p>
- * The text is parsed using the formatter, returning a time.
- *
- * @param text the text to parse, not null
- * @param formatter the formatter to use, not null
- * @return the parsed offset time, not null
- * @throws DateTimeParseException if the text cannot be parsed
- */
- public static OffsetTime parse(CharSequence text, DateTimeFormatter formatter) {
- Objects.requireNonNull(formatter, "formatter");
- return formatter.parse(text, OffsetTime::from);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Constructor.
- *
- * @param time the local time, not null
- * @param offset the zone offset, not null
- */
- private OffsetTime(LocalTime time, ZoneOffset offset) {
- this.time = Objects.requireNonNull(time, "time");
- this.offset = Objects.requireNonNull(offset, "offset");
- }
-
- /**
- * Returns a new time based on this one, returning {@code this} where possible.
- *
- * @param time the time to create with, not null
- * @param offset the zone offset to create with, not null
- */
- private OffsetTime with(LocalTime time, ZoneOffset offset) {
- if (this.time == time && this.offset.equals(offset)) {
- return this;
- }
- return new OffsetTime(time, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Checks if the specified field is supported.
- * <p>
- * This checks if this time can be queried for the specified field.
- * If false, then calling the {@link #range(TemporalField) range} and
- * {@link #get(TemporalField) get} methods will throw an exception.
- * <p>
- * If the field is a {@link ChronoField} then the query is implemented here.
- * The 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 OFFSET_SECONDS}
- * </ul>
- * All other {@code ChronoField} instances will return false.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doIsSupported(TemporalAccessor)}
- * passing {@code this} as the argument.
- * Whether the field is supported is determined by the field.
- *
- * @param field the field to check, null returns false
- * @return true if the field is supported on this time, false if not
- */
- @Override
- public boolean isSupported(TemporalField field) {
- if (field instanceof ChronoField) {
- return ((ChronoField) field).isTimeField() || field == OFFSET_SECONDS;
- }
- return field != null && field.doIsSupported(this);
- }
-
- /**
- * Gets the range of valid values for the specified field.
- * <p>
- * The range object expresses the minimum and maximum valid values for a field.
- * This 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 a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doRange(TemporalAccessor)}
- * passing {@code this} as the argument.
- * Whether the range can be obtained is determined by the field.
- *
- * @param field the field to query the range for, not null
- * @return the range of valid values for the field, not null
- * @throws DateTimeException if the range for the field cannot be obtained
- */
- @Override
- public ValueRange range(TemporalField field) {
- if (field instanceof ChronoField) {
- if (field == OFFSET_SECONDS) {
- return field.range();
- }
- return time.range(field);
- }
- return field.doRange(this);
- }
-
- /**
- * Gets the value of the specified field from this time as an {@code int}.
- * <p>
- * This queries this time for the value for the specified field.
- * The returned value will always be within the valid range of values for the field.
- * If it is not possible to return the value, because the field is not supported
- * or for some other reason, an exception is thrown.
- * <p>
- * If the field is a {@link ChronoField} then the query is implemented here.
- * The {@link #isSupported(TemporalField) supported fields} will return valid
- * values based on this time, except {@code NANO_OF_DAY} and {@code MICRO_OF_DAY}
- * which are too large to fit in an {@code int} and throw a {@code DateTimeException}.
- * All other {@code ChronoField} instances will throw a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doGet(TemporalAccessor)}
- * passing {@code this} as the argument. Whether the value can be obtained,
- * and what the value represents, is determined by the field.
- *
- * @param field the field to get, not null
- * @return the value for the field
- * @throws DateTimeException if a value for the field cannot be obtained
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override // override for Javadoc
- public int get(TemporalField field) {
- return Temporal.super.get(field);
- }
-
- /**
- * Gets the value of the specified field from this time as a {@code long}.
- * <p>
- * This queries this time for the value for the specified field.
- * If it is not possible to return the value, because the field is not supported
- * or for some other reason, an exception is thrown.
- * <p>
- * If the field is a {@link ChronoField} then the query is implemented here.
- * The {@link #isSupported(TemporalField) supported fields} will return valid
- * values based on this time.
- * All other {@code ChronoField} instances will throw a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doGet(TemporalAccessor)}
- * passing {@code this} as the argument. Whether the value can be obtained,
- * and what the value represents, is determined by the field.
- *
- * @param field the field to get, not null
- * @return the value for the field
- * @throws DateTimeException if a value for the field cannot be obtained
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public long getLong(TemporalField field) {
- if (field instanceof ChronoField) {
- if (field == OFFSET_SECONDS) {
- return getOffset().getTotalSeconds();
- }
- return time.getLong(field);
- }
- return field.doGet(this);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Gets the zone offset, such as '+01:00'.
- * <p>
- * This is the offset of the local time from UTC/Greenwich.
- *
- * @return the zone offset, not null
- */
- public ZoneOffset getOffset() {
- return offset;
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified offset ensuring
- * that the result has the same local time.
- * <p>
- * This method returns an object with the same {@code LocalTime} and the specified {@code ZoneOffset}.
- * No calculation is needed or performed.
- * For example, if this time represents {@code 10:30+02:00} and the offset specified is
- * {@code +03:00}, then this method will return {@code 10:30+03:00}.
- * <p>
- * To take into account the difference between the offsets, and adjust the time fields,
- * use {@link #withOffsetSameInstant}.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param offset the zone offset to change to, not null
- * @return an {@code OffsetTime} based on this time with the requested offset, not null
- */
- public OffsetTime withOffsetSameLocal(ZoneOffset offset) {
- return offset != null && offset.equals(this.offset) ? this : new OffsetTime(time, offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified offset ensuring
- * that the result is at the same instant on an implied day.
- * <p>
- * This method returns an object with the specified {@code ZoneOffset} and a {@code LocalTime}
- * adjusted by the difference between the two offsets.
- * This will result in the old and new objects representing the same instant an an implied day.
- * This is useful for finding the local time in a different offset.
- * For example, if this time represents {@code 10:30+02:00} and the offset specified is
- * {@code +03:00}, then this method will return {@code 11:30+03:00}.
- * <p>
- * To change the offset without adjusting the local time use {@link #withOffsetSameLocal}.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param offset the zone offset to change to, not null
- * @return an {@code OffsetTime} based on this time with the requested offset, not null
- */
- public OffsetTime withOffsetSameInstant(ZoneOffset offset) {
- if (offset.equals(this.offset)) {
- return this;
- }
- int difference = offset.getTotalSeconds() - this.offset.getTotalSeconds();
- LocalTime adjusted = time.plusSeconds(difference);
- return new OffsetTime(adjusted, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * 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
- */
- public LocalTime getTime() {
- return time;
- }
-
- //-----------------------------------------------------------------------
- /**
- * Gets the hour-of-day field.
- *
- * @return the hour-of-day, from 0 to 23
- */
- public int getHour() {
- return time.getHour();
- }
-
- /**
- * Gets the minute-of-hour field.
- *
- * @return the minute-of-hour, from 0 to 59
- */
- public int getMinute() {
- return time.getMinute();
- }
-
- /**
- * Gets the second-of-minute field.
- *
- * @return the second-of-minute, from 0 to 59
- */
- public int getSecond() {
- return time.getSecond();
- }
-
- /**
- * Gets the nano-of-second field.
- *
- * @return the nano-of-second, from 0 to 999,999,999
- */
- public int getNano() {
- return time.getNano();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns an adjusted copy of this time.
- * <p>
- * This returns a new {@code OffsetTime}, based on this one, with the 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 hour field.
- * A more complex adjuster might set the time to the last hour of the day.
- * <p>
- * The classes {@link LocalTime} and {@link ZoneOffset} implement {@code TemporalAdjuster},
- * thus this method can be used to change the time or offset:
- * <pre>
- * result = offsetTime.with(time);
- * result = offsetTime.with(offset);
- * </pre>
- * <p>
- * The result of this method is obtained by invoking the
- * {@link TemporalAdjuster#adjustInto(Temporal)} method on the
- * specified adjuster passing {@code this} as the argument.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param adjuster the adjuster to use, not null
- * @return an {@code OffsetTime} 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 OffsetTime with(TemporalAdjuster adjuster) {
- // optimizations
- if (adjuster instanceof LocalTime) {
- return with((LocalTime) adjuster, offset);
- } else if (adjuster instanceof ZoneOffset) {
- return with(time, (ZoneOffset) adjuster);
- } else if (adjuster instanceof OffsetTime) {
- return (OffsetTime) adjuster;
- }
- return (OffsetTime) adjuster.adjustInto(this);
- }
-
- /**
- * Returns a copy of this time with the specified field set to a new value.
- * <p>
- * This returns a new {@code OffsetTime}, based on this one, with the value
- * for the specified field changed.
- * This can be used to change any supported field, such as the hour, minute or second.
- * 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>
- * If the field is a {@link ChronoField} then the adjustment is implemented here.
- * <p>
- * The {@code OFFSET_SECONDS} field will return a time with the specified offset.
- * The local time is unaltered. If the new offset value is outside the valid range
- * then a {@code DateTimeException} will be thrown.
- * <p>
- * The other {@link #isSupported(TemporalField) supported fields} will behave as per
- * the matching method on {@link LocalTime#with(TemporalField, long)} LocalTime}.
- * In this case, the offset is not part of the calculation and will be unchanged.
- * <p>
- * All other {@code ChronoField} instances will throw a {@code DateTimeException}.
- * <p>
- * If the field is not a {@code ChronoField}, then the result of this method
- * is obtained by invoking {@code TemporalField.doWith(Temporal, long)}
- * passing {@code this} as the argument. In this case, the field determines
- * whether and how to adjust the instant.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param field the field to set in the result, not null
- * @param newValue the new value of the field in the result
- * @return an {@code OffsetTime} based on {@code this} with the specified field set, not null
- * @throws DateTimeException if the field cannot be set
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public OffsetTime with(TemporalField field, long newValue) {
- if (field instanceof ChronoField) {
- if (field == OFFSET_SECONDS) {
- ChronoField f = (ChronoField) field;
- return with(time, ZoneOffset.ofTotalSeconds(f.checkValidIntValue(newValue)));
- }
- return with(time.with(field, newValue), offset);
- }
- return field.doWith(this, newValue);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this {@code OffsetTime} with the hour-of-day value altered.
- * <p>
- * The offset does not affect the calculation and will be the same in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param hour the hour-of-day to set in the result, from 0 to 23
- * @return an {@code OffsetTime} based on this time with the requested hour, not null
- * @throws DateTimeException if the hour value is invalid
- */
- public OffsetTime withHour(int hour) {
- return with(time.withHour(hour), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the minute-of-hour value altered.
- * <p>
- * The offset does not affect the calculation and will be the same in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param minute the minute-of-hour to set in the result, from 0 to 59
- * @return an {@code OffsetTime} based on this time with the requested minute, not null
- * @throws DateTimeException if the minute value is invalid
- */
- public OffsetTime withMinute(int minute) {
- return with(time.withMinute(minute), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the second-of-minute value altered.
- * <p>
- * The offset does not affect the calculation and will be the same in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param second the second-of-minute to set in the result, from 0 to 59
- * @return an {@code OffsetTime} based on this time with the requested second, not null
- * @throws DateTimeException if the second value is invalid
- */
- public OffsetTime withSecond(int second) {
- return with(time.withSecond(second), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the nano-of-second value altered.
- * <p>
- * The offset does not affect the calculation and will be the same in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param nanoOfSecond the nano-of-second to set in the result, from 0 to 999,999,999
- * @return an {@code OffsetTime} based on this time with the requested nanosecond, not null
- * @throws DateTimeException if the nanos value is invalid
- */
- public OffsetTime withNano(int nanoOfSecond) {
- return with(time.withNano(nanoOfSecond), offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this {@code OffsetTime} with the time truncated.
- * <p>
- * Truncation returns a copy of the original 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>
- * Not all units are accepted. The {@link ChronoUnit#DAYS days} unit and time
- * units with an exact duration can be used, other units throw an exception.
- * <p>
- * The offset does not affect the calculation and will be the same in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param unit the unit to truncate to, not null
- * @return an {@code OffsetTime} based on this time with the time truncated, not null
- * @throws DateTimeException if unable to truncate
- */
- public OffsetTime truncatedTo(TemporalUnit unit) {
- return with(time.truncatedTo(unit), offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this date with the specified period added.
- * <p>
- * This method returns a new time based on this time with the specified period added.
- * The adder is typically {@link java.time.Period} but may be any other type implementing
- * the {@link TemporalAdder} interface.
- * The calculation is delegated to the specified adjuster, which typically calls
- * back to {@link #plus(long, TemporalUnit)}.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param adder the adder to use, not null
- * @return an {@code OffsetTime} based on this time with the addition made, not null
- * @throws DateTimeException if the addition cannot be made
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public OffsetTime plus(TemporalAdder adder) {
- return (OffsetTime) adder.addTo(this);
- }
-
- /**
- * Returns a copy of this time with the specified period added.
- * <p>
- * This method returns a new time based on this time with the specified period added.
- * This can be used to add any period that is defined by a unit, for example to add hours, minutes or seconds.
- * The unit is responsible for the details of the calculation, including the resolution
- * of any edge cases in the calculation.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param amountToAdd the amount of the unit to add to the result, may be negative
- * @param unit the unit of the period to add, not null
- * @return an {@code OffsetTime} based on this time with the specified period added, not null
- * @throws DateTimeException if the unit cannot be added to this type
- */
- @Override
- public OffsetTime plus(long amountToAdd, TemporalUnit unit) {
- if (unit instanceof ChronoUnit) {
- return with(time.plus(amountToAdd, unit), offset);
- }
- return unit.doPlus(this, amountToAdd);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this {@code OffsetTime} with the specified period in hours added.
- * <p>
- * This adds the specified number of hours to this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param hours the hours to add, may be negative
- * @return an {@code OffsetTime} based on this time with the hours added, not null
- */
- public OffsetTime plusHours(long hours) {
- return with(time.plusHours(hours), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified period in minutes added.
- * <p>
- * This adds the specified number of minutes to this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param minutes the minutes to add, may be negative
- * @return an {@code OffsetTime} based on this time with the minutes added, not null
- */
- public OffsetTime plusMinutes(long minutes) {
- return with(time.plusMinutes(minutes), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified period in seconds added.
- * <p>
- * This adds the specified number of seconds to this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param seconds the seconds to add, may be negative
- * @return an {@code OffsetTime} based on this time with the seconds added, not null
- */
- public OffsetTime plusSeconds(long seconds) {
- return with(time.plusSeconds(seconds), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified period in nanoseconds added.
- * <p>
- * This adds the specified number of nanoseconds to this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param nanos the nanos to add, may be negative
- * @return an {@code OffsetTime} based on this time with the nanoseconds added, not null
- */
- public OffsetTime plusNanos(long nanos) {
- return with(time.plusNanos(nanos), offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns a copy of this time with the specified period subtracted.
- * <p>
- * This method returns a new time based on this time with the specified period subtracted.
- * The subtractor is typically {@link java.time.Period} but may be any other type implementing
- * the {@link TemporalSubtractor} interface.
- * The calculation is delegated to the specified adjuster, which typically calls
- * back to {@link #minus(long, TemporalUnit)}.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param subtractor the subtractor to use, not null
- * @return an {@code OffsetTime} based on this time with the subtraction made, not null
- * @throws DateTimeException if the subtraction cannot be made
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public OffsetTime minus(TemporalSubtractor subtractor) {
- return (OffsetTime) subtractor.subtractFrom(this);
- }
-
- /**
- * Returns a copy of this time with the specified period subtracted.
- * <p>
- * This method returns a new time based on this time with the specified period subtracted.
- * This can be used to subtract any period that is defined by a unit, for example to subtract hours, minutes or seconds.
- * The unit is responsible for the details of the calculation, including the resolution
- * of any edge cases in the calculation.
- * The offset is not part of the calculation and will be unchanged in the result.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param amountToSubtract the amount of the unit to subtract from the result, may be negative
- * @param unit the unit of the period to subtract, not null
- * @return an {@code OffsetTime} based on this time with the specified period subtracted, not null
- * @throws DateTimeException if the unit cannot be added to this type
- */
- @Override
- public OffsetTime 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 OffsetTime} with the specified period in hours subtracted.
- * <p>
- * This subtracts the specified number of hours from this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param hours the hours to subtract, may be negative
- * @return an {@code OffsetTime} based on this time with the hours subtracted, not null
- */
- public OffsetTime minusHours(long hours) {
- return with(time.minusHours(hours), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified period in minutes subtracted.
- * <p>
- * This subtracts the specified number of minutes from this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param minutes the minutes to subtract, may be negative
- * @return an {@code OffsetTime} based on this time with the minutes subtracted, not null
- */
- public OffsetTime minusMinutes(long minutes) {
- return with(time.minusMinutes(minutes), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified period in seconds subtracted.
- * <p>
- * This subtracts the specified number of seconds from this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param seconds the seconds to subtract, may be negative
- * @return an {@code OffsetTime} based on this time with the seconds subtracted, not null
- */
- public OffsetTime minusSeconds(long seconds) {
- return with(time.minusSeconds(seconds), offset);
- }
-
- /**
- * Returns a copy of this {@code OffsetTime} with the specified period in nanoseconds subtracted.
- * <p>
- * This subtracts the specified number of nanoseconds from this time, returning a new time.
- * The calculation wraps around midnight.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param nanos the nanos to subtract, may be negative
- * @return an {@code OffsetTime} based on this time with the nanoseconds subtracted, not null
- */
- public OffsetTime minusNanos(long nanos) {
- return with(time.minusNanos(nanos), offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Queries this time using the specified query.
- * <p>
- * This queries this 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
- public <R> R query(TemporalQuery<R> query) {
- if (query == Queries.precision()) {
- return (R) NANOS;
- } else if (query == Queries.offset() || query == Queries.zone()) {
- return (R) getOffset();
- }
- return Temporal.super.query(query);
- }
-
- /**
- * Adjusts the specified temporal object to have the same offset and time
- * as this object.
- * <p>
- * This returns a temporal object of the same observable type as the input
- * with the offset and time changed to be the same as this.
- * <p>
- * The adjustment is equivalent to using {@link Temporal#with(TemporalField, long)}
- * twice, passing {@link ChronoField#OFFSET_SECONDS} and
- * {@link ChronoField#NANO_OF_DAY} as the fields.
- * <p>
- * In most cases, it is clearer to reverse the calling pattern by using
- * {@link Temporal#with(TemporalAdjuster)}:
- * <pre>
- * // these two lines are equivalent, but the second approach is recommended
- * temporal = thisOffsetTime.adjustInto(temporal);
- * temporal = temporal.with(thisOffsetTime);
- * </pre>
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param temporal the target object to be adjusted, not null
- * @return the adjusted object, not null
- * @throws DateTimeException if unable to make the adjustment
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public Temporal adjustInto(Temporal temporal) {
- return temporal
- .with(OFFSET_SECONDS, getOffset().getTotalSeconds())
- .with(NANO_OF_DAY, time.toNanoOfDay());
- }
-
- /**
- * Calculates the period between this time and another time in
- * terms of the specified unit.
- * <p>
- * This calculates the period between two times in terms of a single unit.
- * The start and end points are {@code this} and the specified time.
- * The result will be negative if the end is before the start.
- * For example, the period in hours between two times can be calculated
- * using {@code startTime.periodUntil(endTime, HOURS)}.
- * <p>
- * The {@code Temporal} passed to this method must be an {@code OffsetTime}.
- * If the offset differs between the two times, then the specified
- * end time is normalized to have the same offset as this time.
- * <p>
- * The calculation returns a whole number, representing the number of
- * complete units between the two times.
- * For example, the period in hours between 11:30Z and 13:29Z will only
- * be one hour as it is one minute short of two hours.
- * <p>
- * This method operates in association with {@link TemporalUnit#between}.
- * The result of this method is a {@code long} representing the amount of
- * the specified unit. By contrast, the result of {@code between} is an
- * object that can be used directly in addition/subtraction:
- * <pre>
- * long period = start.periodUntil(end, HOURS); // this method
- * dateTime.plus(HOURS.between(start, end)); // use in plus/minus
- * </pre>
- * <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} are supported.
- * Other {@code ChronoUnit} values will throw an exception.
- * <p>
- * If the unit is not a {@code ChronoUnit}, then the result of this method
- * is obtained by invoking {@code TemporalUnit.between(Temporal, Temporal)}
- * passing {@code this} as the first argument and the input temporal as
- * the second argument.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param endTime the end time, which must be an {@code OffsetTime}, not null
- * @param unit the unit to measure the period in, not null
- * @return the amount of the period between this time and the end time
- * @throws DateTimeException if the period cannot be calculated
- * @throws ArithmeticException if numeric overflow occurs
- */
- @Override
- public long periodUntil(Temporal endTime, TemporalUnit unit) {
- if (endTime instanceof OffsetTime == false) {
- Objects.requireNonNull(endTime, "endTime");
- throw new DateTimeException("Unable to calculate period between objects of two different types");
- }
- if (unit instanceof ChronoUnit) {
- OffsetTime end = (OffsetTime) endTime;
- long nanosUntil = end.toEpochNano() - toEpochNano(); // no overflow
- switch ((ChronoUnit) unit) {
- case NANOS: return nanosUntil;
- case MICROS: return nanosUntil / 1000;
- case MILLIS: return nanosUntil / 1000_000;
- case SECONDS: return nanosUntil / NANOS_PER_SECOND;
- case MINUTES: return nanosUntil / NANOS_PER_MINUTE;
- case HOURS: return nanosUntil / NANOS_PER_HOUR;
- case HALF_DAYS: return nanosUntil / (12 * NANOS_PER_HOUR);
- }
- throw new DateTimeException("Unsupported unit: " + unit.getName());
- }
- return unit.between(this, endTime).getAmount();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns an offset date-time formed from this time at the specified date.
- * <p>
- * This combines this time with the specified date to form an {@code OffsetDateTime}.
- * All possible combinations of date and time are valid.
- * <p>
- * This instance is immutable and unaffected by this method call.
- *
- * @param date the date to combine with, not null
- * @return the offset date-time formed from this time and the specified date, not null
- */
- public OffsetDateTime atDate(LocalDate date) {
- return OffsetDateTime.of(date, time, offset);
- }
-
- //-----------------------------------------------------------------------
- /**
- * Converts this time to epoch nanos based on 1970-01-01Z.
- *
- * @return the epoch nanos value
- */
- private long toEpochNano() {
- long nod = time.toNanoOfDay();
- long offsetNanos = offset.getTotalSeconds() * NANOS_PER_SECOND;
- return nod - offsetNanos;
- }
-
- //-----------------------------------------------------------------------
- /**
- * Compares this {@code OffsetTime} to another time.
- * <p>
- * The comparison is based first on the UTC equivalent instant, then on the local time.
- * It is "consistent with equals", as defined by {@link Comparable}.
- * <p>
- * For example, the following is the comparator order:
- * <ol>
- * <li>{@code 10:30+01:00}</li>
- * <li>{@code 11:00+01:00}</li>
- * <li>{@code 12:00+02:00}</li>
- * <li>{@code 11:30+01:00}</li>
- * <li>{@code 12:00+01:00}</li>
- * <li>{@code 12:30+01:00}</li>
- * </ol>
- * Values #2 and #3 represent the same instant on the time-line.
- * When two values represent the same instant, the local time is compared
- * to distinguish them. This step is needed to make the ordering
- * consistent with {@code equals()}.
- * <p>
- * To compare the underlying local time of two {@code TemporalAccessor} instances,
- * use {@link ChronoField#NANO_OF_DAY} as a comparator.
- *
- * @param other the other time to compare to, not null
- * @return the comparator value, negative if less, positive if greater
- * @throws NullPointerException if {@code other} is null
- */
- @Override
- public int compareTo(OffsetTime other) {
- if (offset.equals(other.offset)) {
- return time.compareTo(other.time);
- }
- int compare = Long.compare(toEpochNano(), other.toEpochNano());
- if (compare == 0) {
- compare = time.compareTo(other.time);
- }
- return compare;
- }
-
- //-----------------------------------------------------------------------
- /**
- * Checks if the instant of this {@code OffsetTime} is after that of the
- * specified time applying both times to a common date.
- * <p>
- * This method differs from the comparison in {@link #compareTo} in that it
- * only compares the instant of the time. This is equivalent to converting both
- * times to an instant using the same date and comparing the instants.
- *
- * @param other the other time to compare to, not null
- * @return true if this is after the instant of the specified time
- */
- public boolean isAfter(OffsetTime other) {
- return toEpochNano() > other.toEpochNano();
- }
-
- /**
- * Checks if the instant of this {@code OffsetTime} is before that of the
- * specified time applying both times to a common date.
- * <p>
- * This method differs from the comparison in {@link #compareTo} in that it
- * only compares the instant of the time. This is equivalent to converting both
- * times to an instant using the same date and comparing the instants.
- *
- * @param other the other time to compare to, not null
- * @return true if this is before the instant of the specified time
- */
- public boolean isBefore(OffsetTime other) {
- return toEpochNano() < other.toEpochNano();
- }
-
- /**
- * Checks if the instant of this {@code OffsetTime} is equal to that of the
- * specified time applying both times to a common date.
- * <p>
- * This method differs from the comparison in {@link #compareTo} and {@link #equals}
- * in that it only compares the instant of the time. This is equivalent to converting both
- * times to an instant using the same date and comparing the instants.
- *
- * @param other the other time to compare to, not null
- * @return true if this is equal to the instant of the specified time
- */
- public boolean isEqual(OffsetTime other) {
- return toEpochNano() == other.toEpochNano();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Checks if this time is equal to another time.
- * <p>
- * The comparison is based on the local-time and the offset.
- * To compare for the same instant on the time-line, use {@link #isEqual(OffsetTime)}.
- * <p>
- * Only objects of type {@code OffsetTime} are compared, other types return false.
- * To compare the underlying local time of two {@code TemporalAccessor} instances,
- * use {@link ChronoField#NANO_OF_DAY} as a comparator.
- *
- * @param obj the object to check, null returns false
- * @return true if this is equal to the other time
- */
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj instanceof OffsetTime) {
- OffsetTime other = (OffsetTime) obj;
- return time.equals(other.time) && offset.equals(other.offset);
- }
- return false;
- }
-
- /**
- * A hash code for this time.
- *
- * @return a suitable hash code
- */
- @Override
- public int hashCode() {
- return time.hashCode() ^ offset.hashCode();
- }
-
- //-----------------------------------------------------------------------
- /**
- * Outputs this time as a {@code String}, such as {@code 10:15:30+01:00}.
- * <p>
- * The output will be one of the following ISO-8601 formats:
- * <p><ul>
- * <li>{@code HH:mmXXXXX}</li>
- * <li>{@code HH:mm:ssXXXXX}</li>
- * <li>{@code HH:mm:ss.SSSXXXXX}</li>
- * <li>{@code HH:mm:ss.SSSSSSXXXXX}</li>
- * <li>{@code HH:mm:ss.SSSSSSSSSXXXXX}</li>
- * </ul><p>
- * The format used will be the shortest that outputs the full value of
- * the time where the omitted parts are implied to be zero.
- *
- * @return a string representation of this time, not null
- */
- @Override
- public String toString() {
- return time.toString() + offset.toString();
- }
-
- /**
- * Outputs this time as a {@code String} using the formatter.
- * <p>
- * This time will be passed to the formatter
- * {@link DateTimeFormatter#print(TemporalAccessor) print method}.
- *
- * @param formatter the formatter to use, not null
- * @return the formatted time string, not null
- * @throws DateTimeException if an error occurs during printing
- */
- public String toString(DateTimeFormatter formatter) {
- Objects.requireNonNull(formatter, "formatter");
- return formatter.print(this);
- }
-
- // -----------------------------------------------------------------------
- /**
- * Writes the object using a
- * <a href="../../../serialized-form.html#java.time.temporal.Ser">dedicated serialized form</a>.
- * <pre>
- * out.writeByte(2); // identifies this as a OffsetDateTime
- * out.writeObject(time);
- * out.writeObject(offset);
- * </pre>
- *
- * @return the instance of {@code Ser}, not null
- */
- private Object writeReplace() {
- return new Ser(Ser.OFFSET_TIME_TYPE, this);
- }
-
- /**
- * Defend against malicious streams.
- * @return never
- * @throws InvalidObjectException always
- */
- private Object readResolve() throws ObjectStreamException {
- throw new InvalidObjectException("Deserialization via serialization delegate");
- }
-
- void writeExternal(ObjectOutput out) throws IOException {
- out.writeObject(time);
- out.writeObject(offset);
- }
-
- static OffsetTime readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
- LocalTime time = (LocalTime) in.readObject();
- ZoneOffset offset = (ZoneOffset) in.readObject();
- return OffsetTime.of(time, offset);
- }
-
-}