| 1 | /* |
| 2 | * Copyright 2001-2005 Stephen Colebourne |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.joda.time.chrono; |
| 17 | |
| 18 | import org.joda.time.DateTimeFieldType; |
| 19 | import org.joda.time.DurationField; |
| 20 | import org.joda.time.ReadablePartial; |
| 21 | import org.joda.time.field.PreciseDurationDateTimeField; |
| 22 | |
| 23 | /** |
| 24 | * Provides time calculations for the day of the year component of time. |
| 25 | * |
| 26 | * @author Guy Allard |
| 27 | * @author Stephen Colebourne |
| 28 | * @author Brian S O'Neill |
| 29 | * @since 1.1, refactored from GJDayOfYearDateTimeField |
| 30 | */ |
| 31 | final class BasicDayOfYearDateTimeField extends PreciseDurationDateTimeField { |
| 32 | |
| 33 | private static final long serialVersionUID = -6821236822336841037L; |
| 34 | |
| 35 | private final BasicChronology iChronology; |
| 36 | |
| 37 | /** |
| 38 | * Restricted constructor |
| 39 | */ |
| 40 | BasicDayOfYearDateTimeField(BasicChronology chronology, DurationField days) { |
| 41 | super(DateTimeFieldType.dayOfYear(), days); |
| 42 | iChronology = chronology; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Get the day of the year component of the specified time instant. |
| 47 | * |
| 48 | * @param instant the time instant in millis to query. |
| 49 | * @return the day of the year extracted from the input. |
| 50 | */ |
| 51 | public int get(long instant) { |
| 52 | return iChronology.getDayOfYear(instant); |
| 53 | } |
| 54 | |
| 55 | public DurationField getRangeDurationField() { |
| 56 | return iChronology.years(); |
| 57 | } |
| 58 | |
| 59 | public int getMinimumValue() { |
| 60 | return 1; |
| 61 | } |
| 62 | |
| 63 | public int getMaximumValue() { |
| 64 | return iChronology.getDaysInYearMax(); |
| 65 | } |
| 66 | |
| 67 | public int getMaximumValue(long instant) { |
| 68 | int year = iChronology.getYear(instant); |
| 69 | return iChronology.getDaysInYear(year); |
| 70 | } |
| 71 | |
| 72 | public int getMaximumValue(ReadablePartial partial) { |
| 73 | if (partial.isSupported(DateTimeFieldType.year())) { |
| 74 | int year = partial.get(DateTimeFieldType.year()); |
| 75 | return iChronology.getDaysInYear(year); |
| 76 | } |
| 77 | return iChronology.getDaysInYearMax(); |
| 78 | } |
| 79 | |
| 80 | public int getMaximumValue(ReadablePartial partial, int[] values) { |
| 81 | int size = partial.size(); |
| 82 | for (int i = 0; i < size; i++) { |
| 83 | if (partial.getFieldType(i) == DateTimeFieldType.year()) { |
| 84 | int year = values[i]; |
| 85 | return iChronology.getDaysInYear(year); |
| 86 | } |
| 87 | } |
| 88 | return iChronology.getDaysInYearMax(); |
| 89 | } |
| 90 | |
| 91 | protected int getMaximumValueForSet(long instant, int value) { |
| 92 | int maxLessOne = iChronology.getDaysInYearMax() - 1; |
| 93 | return (value > maxLessOne || value < 1) ? getMaximumValue(instant) : maxLessOne; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Serialization singleton |
| 98 | */ |
| 99 | private Object readResolve() { |
| 100 | return iChronology.dayOfYear(); |
| 101 | } |
| 102 | } |