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   * 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).
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   * You should have received a copy of the GNU General Public License version
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   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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  /*
   * Copyright (c) 2012, Stephen Colebourne & Michael Nascimento Santos
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   *  * Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   *
   *  * Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   *  * Neither the name of JSR-310 nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package java.time.chrono;
  
  import static java.time.chrono.ThaiBuddhistChronology.YEARS_DIFFERENCE;
  import static java.time.temporal.ChronoField.DAY_OF_MONTH;
  import static java.time.temporal.ChronoField.MONTH_OF_YEAR;
  import static java.time.temporal.ChronoField.YEAR;
  
  import java.io.DataInput;
  import java.io.DataOutput;
  import java.io.IOException;
  import java.io.InvalidObjectException;
  import java.io.ObjectInputStream;
  import java.io.Serializable;
  import java.time.Clock;
  import java.time.DateTimeException;
  import java.time.LocalDate;
  import java.time.LocalTime;
  import java.time.Period;
  import java.time.ZoneId;
  import java.time.temporal.ChronoField;
  import java.time.temporal.TemporalAccessor;
  import java.time.temporal.TemporalAdjuster;
  import java.time.temporal.TemporalAmount;
  import java.time.temporal.TemporalField;
  import java.time.temporal.TemporalQuery;
  import java.time.temporal.TemporalUnit;
  import java.time.temporal.UnsupportedTemporalTypeException;
  import java.time.temporal.ValueRange;
  import java.util.Objects;
  
  // Android-changed: removed ValueBased paragraph.
  
  /**
   * A date in the Thai Buddhist calendar system.
   * <p>
   * This date operates using the {@linkplain ThaiBuddhistChronology Thai Buddhist calendar}.
   * This calendar system is primarily used in Thailand.
   * Dates are aligned such that {@code 2484-01-01 (Buddhist)} is {@code 1941-01-01 (ISO)}.
   *
   * @implSpec
   * This class is immutable and thread-safe.
   *
   * @since 1.8
   */
  public final class ThaiBuddhistDate
          extends ChronoLocalDateImpl<ThaiBuddhistDate>
          implements ChronoLocalDate, Serializable {
  
      /**
       * Serialization version.
       */
      private static final long serialVersionUID = -8722293800195731463L;
  
      /**
       * The underlying date.
       */
      private final transient LocalDate isoDate;
  
      //-----------------------------------------------------------------------
      /**
       * Obtains the current {@code ThaiBuddhistDate} 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.
       * <p>
       * Using this method will prevent the ability to use an alternate clock for testing
       * because the clock is hard-coded.
       *
       * @return the current date using the system clock and default time-zone, not null
       */
      public static ThaiBuddhistDate now() {
          return now(Clock.systemDefaultZone());
      }
  
      /**
       * Obtains the current {@code ThaiBuddhistDate} 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.
       * Specifying the time-zone avoids dependence on the default time-zone.
       * <p>
       * Using this method will prevent the ability to use an alternate clock for testing
       * because the clock is hard-coded.
       *
       * @param zone  the zone ID to use, not null
       * @return the current date using the system clock, not null
       */
      public static ThaiBuddhistDate now(ZoneId zone) {
          return now(Clock.system(zone));
      }
  
      /**
       * Obtains the current {@code ThaiBuddhistDate} from the specified clock.
       * <p>
       * This will query the specified clock to obtain the current date - today.
       * Using this method allows the use of an alternate clock for testing.
       * The alternate clock may be introduced using {@linkplain Clock dependency injection}.
       *
       * @param clock  the clock to use, not null
       * @return the current date, not null
       * @throws DateTimeException if the current date cannot be obtained
       */
      public static ThaiBuddhistDate now(Clock clock) {
          return new ThaiBuddhistDate(LocalDate.now(clock));
      }
  
      /**
       * Obtains a {@code ThaiBuddhistDate} representing a date in the Thai Buddhist calendar
       * system from the proleptic-year, month-of-year and day-of-month fields.
       * <p>
       * This returns a {@code ThaiBuddhistDate} with the specified fields.
       * The day must be valid for the year and month, otherwise an exception will be thrown.
       *
       * @param prolepticYear  the Thai Buddhist proleptic-year
       * @param month  the Thai Buddhist month-of-year, from 1 to 12
       * @param dayOfMonth  the Thai Buddhist day-of-month, from 1 to 31
       * @return the date in Thai Buddhist calendar system, 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 ThaiBuddhistDate of(int prolepticYear, int month, int dayOfMonth) {
          return new ThaiBuddhistDate(LocalDate.of(prolepticYear - YEARS_DIFFERENCE, month, dayOfMonth));
      }
  
      /**
       * Obtains a {@code ThaiBuddhistDate} from a temporal object.
       * <p>
       * This obtains a date in the Thai Buddhist calendar system 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 ThaiBuddhistDate}.
       * <p>
       * The conversion typically uses the {@link ChronoField#EPOCH_DAY EPOCH_DAY}
       * field, which is standardized across calendar systems.
       * <p>
       * This method matches the signature of the functional interface {@link TemporalQuery}
       * allowing it to be used as a query via method reference, {@code ThaiBuddhistDate::from}.
       *
       * @param temporal  the temporal object to convert, not null
       * @return the date in Thai Buddhist calendar system, not null
       * @throws DateTimeException if unable to convert to a {@code ThaiBuddhistDate}
       */
      public static ThaiBuddhistDate from(TemporalAccessor temporal) {
          return ThaiBuddhistChronology.INSTANCE.date(temporal);
      }
  
      //-----------------------------------------------------------------------
      /**
       * Creates an instance from an ISO date.
       *
       * @param isoDate  the standard local date, validated not null
       */
      ThaiBuddhistDate(LocalDate isoDate) {
          Objects.requireNonNull(isoDate, "isoDate");
          this.isoDate = isoDate;
      }
  
      //-----------------------------------------------------------------------
      /**
       * Gets the chronology of this date, which is the Thai Buddhist calendar system.
       * <p>
       * The {@code Chronology} represents the calendar system in use.
       * The era and other fields in {@link ChronoField} are defined by the chronology.
       *
       * @return the Thai Buddhist chronology, not null
       */
      @Override
      public ThaiBuddhistChronology getChronology() {
          return ThaiBuddhistChronology.INSTANCE;
      }
  
      /**
       * Gets the era applicable at this date.
       * <p>
       * The Thai Buddhist calendar system has two eras, 'BE' and 'BEFORE_BE',
       * defined by {@link ThaiBuddhistEra}.
       *
       * @return the era applicable at this date, not null
       */
      @Override
      public ThaiBuddhistEra getEra() {
          return (getProlepticYear() >= 1 ? ThaiBuddhistEra.BE : ThaiBuddhistEra.BEFORE_BE);
      }
  
      /**
       * Returns the length of the month represented by this date.
       * <p>
       * This returns the length of the month in days.
       * Month lengths match those of the ISO calendar system.
       *
       * @return the length of the month in days
       */
      @Override
      public int lengthOfMonth() {
          return isoDate.lengthOfMonth();
      }
  
      //-----------------------------------------------------------------------
      @Override
      public ValueRange range(TemporalField field) {
          if (field instanceof ChronoField) {
              if (isSupported(field)) {
                  ChronoField f = (ChronoField) field;
                  switch (f) {
                      case DAY_OF_MONTH:
                      case DAY_OF_YEAR:
                      case ALIGNED_WEEK_OF_MONTH:
                          return isoDate.range(field);
                      case YEAR_OF_ERA: {
                          ValueRange range = YEAR.range();
                          long max = (getProlepticYear() <= 0 ? -(range.getMinimum() + YEARS_DIFFERENCE) + 1 : range.getMaximum() + YEARS_DIFFERENCE);
                          return ValueRange.of(1, max);
                      }
                  }
                  return getChronology().range(f);
              }
              throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
          }
          return field.rangeRefinedBy(this);
      }
  
      @Override
      public long getLong(TemporalField field) {
          if (field instanceof ChronoField) {
              switch ((ChronoField) field) {
                  case PROLEPTIC_MONTH:
                      return getProlepticMonth();
                  case YEAR_OF_ERA: {
                      int prolepticYear = getProlepticYear();
                      return (prolepticYear >= 1 ? prolepticYear : 1 - prolepticYear);
                  }
                  case YEAR:
                      return getProlepticYear();
                  case ERA:
                      return (getProlepticYear() >= 1 ? 1 : 0);
              }
              return isoDate.getLong(field);
          }
          return field.getFrom(this);
      }
  
      private long getProlepticMonth() {
          return getProlepticYear() * 12L + isoDate.getMonthValue() - 1;
      }
  
      private int getProlepticYear() {
          return isoDate.getYear() + YEARS_DIFFERENCE;
      }
  
      //-----------------------------------------------------------------------
      @Override
      public ThaiBuddhistDate with(TemporalField field, long newValue) {
          if (field instanceof ChronoField) {
              ChronoField f = (ChronoField) field;
              if (getLong(f) == newValue) {
                  return this;
              }
              switch (f) {
                  case PROLEPTIC_MONTH:
                      getChronology().range(f).checkValidValue(newValue, f);
                      return plusMonths(newValue - getProlepticMonth());
                  case YEAR_OF_ERA:
                  case YEAR:
                  case ERA: {
                      int nvalue = getChronology().range(f).checkValidIntValue(newValue, f);
                      switch (f) {
                          case YEAR_OF_ERA:
                              return with(isoDate.withYear((getProlepticYear() >= 1 ? nvalue : 1 - nvalue)  - YEARS_DIFFERENCE));
                          case YEAR:
                              return with(isoDate.withYear(nvalue - YEARS_DIFFERENCE));
                          case ERA:
                              return with(isoDate.withYear((1 - getProlepticYear()) - YEARS_DIFFERENCE));
                      }
                  }
              }
              return with(isoDate.with(field, newValue));
          }
          return super.with(field, newValue);
      }
  
      /**
       * {@inheritDoc}
       * @throws DateTimeException {@inheritDoc}
       * @throws ArithmeticException {@inheritDoc}
       */
      @Override
      public  ThaiBuddhistDate with(TemporalAdjuster adjuster) {
          return super.with(adjuster);
      }
  
      /**
       * {@inheritDoc}
       * @throws DateTimeException {@inheritDoc}
       * @throws ArithmeticException {@inheritDoc}
       */
      @Override
      public ThaiBuddhistDate plus(TemporalAmount amount) {
          return super.plus(amount);
      }
  
      /**
       * {@inheritDoc}
       * @throws DateTimeException {@inheritDoc}
       * @throws ArithmeticException {@inheritDoc}
       */
      @Override
      public ThaiBuddhistDate minus(TemporalAmount amount) {
          return super.minus(amount);
      }
  
      //-----------------------------------------------------------------------
      @Override
      ThaiBuddhistDate plusYears(long years) {
          return with(isoDate.plusYears(years));
      }
  
      @Override
      ThaiBuddhistDate plusMonths(long months) {
          return with(isoDate.plusMonths(months));
      }
  
      @Override
      ThaiBuddhistDate plusWeeks(long weeksToAdd) {
          return super.plusWeeks(weeksToAdd);
      }
  
      @Override
      ThaiBuddhistDate plusDays(long days) {
          return with(isoDate.plusDays(days));
      }
  
      @Override
      public ThaiBuddhistDate plus(long amountToAdd, TemporalUnit unit) {
          return super.plus(amountToAdd, unit);
      }
  
      @Override
      public ThaiBuddhistDate minus(long amountToAdd, TemporalUnit unit) {
          return super.minus(amountToAdd, unit);
      }
  
      @Override
      ThaiBuddhistDate minusYears(long yearsToSubtract) {
          return super.minusYears(yearsToSubtract);
      }
  
      @Override
      ThaiBuddhistDate minusMonths(long monthsToSubtract) {
          return super.minusMonths(monthsToSubtract);
      }
  
      @Override
      ThaiBuddhistDate minusWeeks(long weeksToSubtract) {
          return super.minusWeeks(weeksToSubtract);
      }
  
      @Override
      ThaiBuddhistDate minusDays(long daysToSubtract) {
          return super.minusDays(daysToSubtract);
      }
  
      private ThaiBuddhistDate with(LocalDate newDate) {
          return (newDate.equals(isoDate) ? this : new ThaiBuddhistDate(newDate));
      }
  
      @Override        // for javadoc and covariant return type
      @SuppressWarnings("unchecked")
      public final ChronoLocalDateTime<ThaiBuddhistDate> atTime(LocalTime localTime) {
          return (ChronoLocalDateTime<ThaiBuddhistDate>) super.atTime(localTime);
      }
  
      @Override
      public ChronoPeriod until(ChronoLocalDate endDate) {
          Period period = isoDate.until(endDate);
          return getChronology().period(period.getYears(), period.getMonths(), period.getDays());
      }
  
      @Override  // override for performance
      public long toEpochDay() {
          return isoDate.toEpochDay();
      }
  
      //-------------------------------------------------------------------------
      /**
       * Compares this date to another date, including the chronology.
       * <p>
       * Compares this {@code ThaiBuddhistDate} with another ensuring that the date is the same.
       * <p>
       * Only objects of type {@code ThaiBuddhistDate} are compared, other types return false.
       * To compare the dates of two {@code TemporalAccessor} instances, including dates
       * in two different chronologies, use {@link ChronoField#EPOCH_DAY} as a comparator.
       *
       * @param obj  the object to check, null returns false
       * @return true if this is equal to the other date
       */
      @Override  // override for performance
      public boolean equals(Object obj) {
          if (this == obj) {
              return true;
          }
          if (obj instanceof ThaiBuddhistDate) {
              ThaiBuddhistDate otherDate = (ThaiBuddhistDate) obj;
              return this.isoDate.equals(otherDate.isoDate);
          }
          return false;
      }
  
      /**
       * A hash code for this date.
       *
       * @return a suitable hash code based only on the Chronology and the date
       */
      @Override  // override for performance
      public int hashCode() {
          return getChronology().getId().hashCode() ^ isoDate.hashCode();
      }
  
      //-----------------------------------------------------------------------
      /**
       * 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");
      }
  
      /**
       * Writes the object using a
       * <a href="../../../serialized-form.html#java.time.chrono.Ser">dedicated serialized form</a>.
       * @serialData
       * <pre>
       *  out.writeByte(10);                // identifies a ThaiBuddhistDate
       *  out.writeInt(get(YEAR));
       *  out.writeByte(get(MONTH_OF_YEAR));
       *  out.writeByte(get(DAY_OF_MONTH));
       * </pre>
       *
       * @return the instance of {@code Ser}, not null
       */
      private Object writeReplace() {
          return new Ser(Ser.THAIBUDDHIST_DATE_TYPE, this);
      }
  
      void writeExternal(DataOutput out) throws IOException {
          // ThaiBuddhistChronology is implicit in the THAIBUDDHIST_DATE_TYPE
          out.writeInt(this.get(YEAR));
          out.writeByte(this.get(MONTH_OF_YEAR));
          out.writeByte(this.get(DAY_OF_MONTH));
      }
  
      static ThaiBuddhistDate readExternal(DataInput in) throws IOException {
          int year = in.readInt();
          int month = in.readByte();
          int dayOfMonth = in.readByte();
          return ThaiBuddhistChronology.INSTANCE.date(year, month, dayOfMonth);
      }
  
  }
  