1   /* Copyright 2022-2025 Luc Maisonobe
2    * Licensed to CS GROUP (CS) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * CS licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *   http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.orekit.propagation.analytical.gnss.data;
18  
19  import org.hipparchus.CalculusFieldElement;
20  import org.hipparchus.Field;
21  import org.orekit.gnss.SatelliteSystem;
22  import org.orekit.time.TimeScales;
23  
24  /**
25   * Container for data contained in a QZSS navigation message.
26   * @author Luc Maisonobe
27   * @since 12.0
28   */
29  public class QZSSCivilianNavigationMessage extends CivilianNavigationMessage<QZSSCivilianNavigationMessage> {
30  
31      /** Message type.
32       * @since 14.0
33       */
34      public static final String CNAV = "CNAV";
35  
36      /** Message type.
37       * @since 14.0
38       */
39      public static final String CNV2 = "CNV2";
40  
41      /** Constructor.
42       * @param  cnv2      indicator for CNV2 messages
43       * @param timeScales known time scales
44       * @param system     satellite system to consider for interpreting week number
45       *                   (may be different from real system, for example in Rinex nav, weeks
46       *                   are always according to GPS)
47       * @param type       message type
48       */
49      public QZSSCivilianNavigationMessage(final boolean cnv2,
50                                           final TimeScales timeScales, final SatelliteSystem system,
51                                           final String type) {
52          super(cnv2, GNSSConstants.QZSS_MU, GNSSConstants.QZSS_AV, GNSSConstants.QZSS_WEEK_NB,
53                timeScales, system, type);
54      }
55  
56      /** Constructor from field instance.
57       * @param <T> type of the field elements
58       * @param original regular field instance
59       */
60      public <T extends CalculusFieldElement<T>> QZSSCivilianNavigationMessage(final FieldQZSSCivilianNavigationMessage<T> original) {
61          super(original);
62      }
63  
64      /** {@inheritDoc} */
65      @SuppressWarnings("unchecked")
66      @Override
67      public <T extends CalculusFieldElement<T>, F extends FieldGnssOrbitalElements<T, QZSSCivilianNavigationMessage>>
68          F toField(final Field<T> field) {
69          return (F) new FieldQZSSCivilianNavigationMessage<>(field, this);
70      }
71  
72  }