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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.gj;
17  
18  import org.joda.time.DateTimeFieldType;
19  import org.joda.time.DurationField;
20  
21  /**
22   * 
23   * @author Brian S O'Neill
24   */
25  class TestGJWeekyearField extends TestGJDateTimeField {
26      public TestGJWeekyearField(TestGJChronology chrono) {
27          super(DateTimeFieldType.weekyear(), chrono.millisPerYear(), chrono);
28      }
29  
30      public int get(long millis) {
31          return iChronology.isoFromMillis(millis)[0];
32      }
33  
34      public long set(long millis, int value) {
35          int[] wwd = iChronology.isoFromMillis(millis);
36          millis = iChronology.getTimeOnlyMillis(millis)
37              + iChronology.millisFromISO(value, wwd[1], wwd[2]);
38          if (wwd[1] == 53) {
39              int[] wwd2 = iChronology.isoFromMillis(millis);
40              if (wwd2[0] != value) {
41                  // Set year doesn't have 53 weeks, so back off a week.
42                  millis = iChronology.dayOfYear().add(millis, -7);
43              }
44          }
45          return millis;
46      }
47  
48      public long add(long millis, long value) {
49          return set(millis, (int)(get(millis) + value));
50      }
51  
52      public boolean isLeap(long millis) {
53          return iChronology.weekOfWeekyear().getMaximumValue(millis) > 52;
54      }
55  
56      public int getLeapAmount(long millis) {
57          return iChronology.weekOfWeekyear().getMaximumValue(millis) - 52;
58      } 
59  
60      public DurationField getLeapDurationField() {
61          return iChronology.weeks();
62      }
63  
64      public DurationField getRangeDurationField() {
65          return null;
66      }
67  
68      public int getMinimumValue() {
69          return -100000000;
70      }
71  
72      public int getMaximumValue() {
73          return 100000000;
74      }
75  
76      public long roundFloor(long millis) {
77          return iChronology.millisFromISO(get(millis), 1, 1);
78      }
79  }