1   /* Copyright 2024-2025 The Johns Hopkins University Applied Physics Laboratory
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.files.iirv.terms;
18  
19  import org.orekit.files.iirv.terms.base.LongValuedIIRVTerm;
20  
21  /**
22   * 2-character IIRV message class.
23   * <p>
24   * Valid values:
25   * <ul>
26   * <li> 10 = IIRV (nominal)
27   * <li> 15 = IIRV (inflight update)
28   * </ul>
29   *
30   * @author Nick LaFarge
31   * @since 13.0
32   */
33  public class MessageClassTerm extends LongValuedIIRVTerm {
34  
35      /** Nominal MessageClass. */
36      public static final MessageClassTerm NOMINAL = new MessageClassTerm("10");
37  
38      /** Inflight update MessageClass. */
39      public static final MessageClassTerm INFLIGHT_UPDATE = new MessageClassTerm("15");
40  
41      /** Length of the term (number of characters). */
42      public static final int MESSAGE_CLASS_TERM_LENGTH = 2;
43  
44      /** Regular expression that ensures the validity of string values for this term. */
45      public static final String MESSAGE_CLASS_TERM_PATTERN = "(10|15)";
46  
47      /**
48       * Constructor.
49       * <p>
50       * See {@link LongValuedIIRVTerm#LongValuedIIRVTerm(String, String, int, boolean)}
51       *
52       * @param value value of the message class term
53       */
54      public MessageClassTerm(final String value) {
55          super(MESSAGE_CLASS_TERM_PATTERN, value, MESSAGE_CLASS_TERM_LENGTH, false);
56      }
57  
58      /**
59       * Constructor.
60       * <p>
61       * See {@link LongValuedIIRVTerm#LongValuedIIRVTerm(String, long, int, boolean)}
62       *
63       * @param value value of the message class term
64       */
65      public MessageClassTerm(final long value) {
66          super(MESSAGE_CLASS_TERM_PATTERN, value, MESSAGE_CLASS_TERM_LENGTH, false);
67      }
68  }