1   /* Copyright 2002-2021 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.files.ccsds.ndm.odm.omm;
18  
19  import org.orekit.files.ccsds.definitions.Units;
20  import org.orekit.files.ccsds.utils.ContextBinding;
21  import org.orekit.files.ccsds.utils.lexical.ParseToken;
22  import org.orekit.utils.units.Unit;
23  
24  
25  /** Keys for {@link OmmTle TLE} entries.
26   * @author Luc Maisonobe
27   * @since 11.0
28   */
29  public enum OmmTleKey {
30  
31      /** Ephemeris Type, only required if MEAN_ELEMENT_THEORY = SGP/SGP4. */
32      EPHEMERIS_TYPE((token, context, container) -> token.processAsInteger(container::setEphemerisType)),
33  
34      /** Classifiation type. */
35      CLASSIFICATION_TYPE((token, context, container) -> token.processAsNormalizedCharacter(container::setClassificationType)),
36  
37      /** NORAD Catalog Number. */
38      NORAD_CAT_ID((token, context, container) -> token.processAsInteger(container::setNoradID)),
39  
40      /** Element set number for this satellite. */
41      ELEMENT_SET_NO((token, context, container) -> token.processAsInteger(container::setElementSetNo)),
42  
43      /** Revolution number. */
44      REV_AT_EPOCH((token, context, container) -> token.processAsInteger(container::setRevAtEpoch)),
45  
46      /** SGP/SGP4 drag-like coefficient. */
47      BSTAR((token, context, container) -> token.processAsDouble(Unit.ONE, context.getParsedUnitsBehavior(),
48                                                                 container::setBStar)),
49  
50      /** First time derivative of mean motion. */
51      MEAN_MOTION_DOT((token, context, container) -> token.processAsDouble(Units.REV_PER_DAY2_SCALED, context.getParsedUnitsBehavior(),
52                                                                           container::setMeanMotionDot)),
53  
54      /** Second time derivative of mean motion. */
55      MEAN_MOTION_DDOT((token, context, container) -> token.processAsDouble(Units.REV_PER_DAY3_SCALED, context.getParsedUnitsBehavior(),
56                                                                            container::setMeanMotionDotDot));
57  
58      /** Processing method. */
59      private final TokenProcessor processor;
60  
61      /** Simple constructor.
62       * @param processor processing method
63       */
64      OmmTleKey(final TokenProcessor processor) {
65          this.processor = processor;
66      }
67  
68      /** Process one token.
69       * @param token token to process
70       * @param context context binding
71       * @param container container to fill
72       * @return true of token was accepted
73       */
74      public boolean process(final ParseToken token, final ContextBinding context, final OmmTle container) {
75          return processor.process(token, context, container);
76      }
77  
78      /** Interface for processing one token. */
79      interface TokenProcessor {
80          /** Process one token.
81           * @param token token to process
82           * @param context context binding
83           * @param container container to fill
84           * @return true of token was accepted
85           */
86          boolean process(ParseToken token, ContextBinding context, OmmTle container);
87      }
88  
89  }