1   /* Copyright 2002-2025 CS GROUP
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 an NavIC navigation message.
26   * @author Bryan Cazabonne
27   * @since 11.0
28   */
29  public class NavICLegacyNavigationMessage
30      extends LegacyNavigationMessage<NavICLegacyNavigationMessage>  {
31  
32      /** Message type.
33       * @since 14.0
34       */
35      public static final String LNAV = "LNAV";
36  
37          /** Constructor.
38       * @param timeScales known time scales
39       * @param system     satellite system to consider for interpreting week number
40       *                   (may be different from real system, for example in Rinex nav, weeks
41       *                   are always according to GPS)
42       * @param type       message type
43       */
44      public NavICLegacyNavigationMessage(final TimeScales timeScales, final SatelliteSystem system,
45                                          final String type) {
46          super(GNSSConstants.NAVIC_MU, GNSSConstants.NAVIC_AV, GNSSConstants.NAVIC_WEEK_NB,
47                timeScales, system, type);
48      }
49  
50      /** Constructor from field instance.
51       * @param <T> type of the field elements
52       * @param original regular field instance
53       */
54      public <T extends CalculusFieldElement<T>> NavICLegacyNavigationMessage(final FieldNavicLegacyNavigationMessage<T> original) {
55          super(original);
56      }
57  
58      /** {@inheritDoc} */
59      @SuppressWarnings("unchecked")
60      @Override
61      public <T extends CalculusFieldElement<T>, F extends FieldGnssOrbitalElements<T, NavICLegacyNavigationMessage>>
62          F toField(final Field<T> field) {
63          return (F) new FieldNavicLegacyNavigationMessage<>(field, this);
64      }
65  
66  }