/*
    *  Copyright 2001-2005 Stephen Colebourne
    *
    *  Licensed under the Apache License, Version 2.0 (the "License");
    *  you may not use this file except in compliance with the License.
    *  You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  package org.joda.time.chrono;
  
  import org.joda.time.DateTimeFieldType;
  import org.joda.time.DurationField;
  import org.joda.time.ReadablePartial;
  import org.joda.time.field.PreciseDurationDateTimeField;
  
  /**
   * Provides time calculations for the day of the year component of time.
   *
   * @author Guy Allard
   * @author Stephen Colebourne
   * @author Brian S O'Neill
   * @since 1.1, refactored from GJDayOfYearDateTimeField
   */
  final class BasicDayOfYearDateTimeField extends PreciseDurationDateTimeField {
  
      private static final long serialVersionUID = -6821236822336841037L;
  
      private final BasicChronology iChronology;
  
      /**
       * Restricted constructor
       */
      BasicDayOfYearDateTimeField(BasicChronology chronology, DurationField days) {
          super(DateTimeFieldType.dayOfYear(), days);
          iChronology = chronology;
      }
  
      /**
       * Get the day of the year component of the specified time instant.
       * 
       * @param instant  the time instant in millis to query.
       * @return the day of the year extracted from the input.
       */
      public int get(long instant) {
          return iChronology.getDayOfYear(instant);
      }
  
      public DurationField getRangeDurationField() {
          return iChronology.years();
      }
  
      public int getMinimumValue() {
          return 1;
      }
  
      public int getMaximumValue() {
          return iChronology.getDaysInYearMax();
      }
  
      public int getMaximumValue(long instant) {
          int year = iChronology.getYear(instant);
          return iChronology.getDaysInYear(year);
      }
  
      public int getMaximumValue(ReadablePartial partial) {
          if (partial.isSupported(DateTimeFieldType.year())) {
              int year = partial.get(DateTimeFieldType.year());
              return iChronology.getDaysInYear(year);
          }
          return iChronology.getDaysInYearMax();
      }
  
      public int getMaximumValue(ReadablePartial partial, int[] values) {
          int size = partial.size();
          for (int i = 0; i < size; i++) {
              if (partial.getFieldType(i) == DateTimeFieldType.year()) {
                  int year = values[i];
                  return iChronology.getDaysInYear(year);
              }
          }
          return iChronology.getDaysInYearMax();
      }
  
      protected int getMaximumValueForSet(long instant, int value) {
          int maxLessOne = iChronology.getDaysInYearMax() - 1;
          return (value > maxLessOne || value < 1) ? getMaximumValue(instant) : maxLessOne;
      }
  
      /**
       * Serialization singleton
       */
      private Object readResolve() {
         return iChronology.dayOfYear();
     }
 }