SpinStabilizedKey.java

  1. /* Copyright 2002-2022 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.adm.apm;

  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.files.ccsds.utils.lexical.TokenType;
  23. import org.orekit.utils.units.Unit;

  25. /** Keys for {@link SpinStabilized APM spin-stabilized} entries.
  26.  * @author Bryan Cazabonne
  27.  * @since 10.2
  28.  */
  29. public enum SpinStabilizedKey {

  31.     /** Comment entry. */
  32.     COMMENT((token, context, container) ->
  33.             token.getType() == TokenType.ENTRY ? container.addComment(token.getContentAsNormalizedString()) : true),

  35.     /** First reference frame entry. */
  36.     SPIN_FRAME_A((token, context, container) -> token.processAsFrame(container.getEndpoints()::setFrameA, context, true, true, true)),

  38.     /** Second reference frame entry. */
  39.     SPIN_FRAME_B((token, context, container) -> {
  40.         if (token.getType() == TokenType.ENTRY) {
  41.             container.checkNotNull(container.getEndpoints().getFrameA(), SPIN_FRAME_A);
  42.             final boolean aIsSpaceraftBody = container.getEndpoints().getFrameA().asSpacecraftBodyFrame() != null;
  43.             return token.processAsFrame(container.getEndpoints()::setFrameB, context,
  44.                                         aIsSpaceraftBody, aIsSpaceraftBody, !aIsSpaceraftBody);
  45.         }
  46.         return true;
  47.     }),

  49.     /** Rotation direction entry. */
  50.     SPIN_DIR((token, context, container) -> {
  51.         if (token.getType() == TokenType.ENTRY) {
  52.             container.getEndpoints().setA2b(token.getContentAsUppercaseCharacter() == 'A');
  53.         }
  54.         return true;
  55.     }),

  57.     /** Spin right ascension entry. */
  58.     SPIN_ALPHA((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
  59.                                                                     container::setSpinAlpha)),

  61.     /** Spin declination entry. */
  62.     SPIN_DELTA((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
  63.                                                                     container::setSpinDelta)),

  65.     /** Spin phase entry. */
  66.     SPIN_ANGLE((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
  67.                                                                     container::setSpinAngle)),

  69.     /** Spin angular velocity entry. */
  70.     SPIN_ANGLE_VEL((token, context, container) -> token.processAsDouble(Units.DEG_PER_S, context.getParsedUnitsBehavior(),
  71.                                                                         container::setSpinAngleVel)),

  73.     /** Nutation angle entry. */
  74.     NUTATION((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
  75.                                                                   container::setNutation)),

  77.     /** Nutation period entry. */
  78.     NUTATION_PER((token, context, container) -> token.processAsDouble(Unit.SECOND, context.getParsedUnitsBehavior(),
  79.                                                                       container::setNutationPeriod)),

  81.     /** Nutation phase entry. */
  82.     NUTATION_PHASE((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
  83.                                                                         container::setNutationPhase));

  85.     /** Processing method. */
  86.     private final TokenProcessor processor;

  88.     /** Simple constructor.
  89.      * @param processor processing method
  90.      */
  91.     SpinStabilizedKey(final TokenProcessor processor) {
  92.         this.processor = processor;
  93.     }

  95.     /** Process one token.
  96.      * @param token token to process
  97.      * @param context context binding
  98.      * @param container container to fill
  99.      * @return true of token was accepted
  100.      */
  101.     public boolean process(final ParseToken token, final ContextBinding context, final SpinStabilized container) {
  102.         return processor.process(token, context, container);
  103.     }

  105.     /** Interface for processing one token. */
  106.     interface TokenProcessor {
  107.         /** Process one token.
  108.          * @param token token to process
  109.          * @param context context binding
  110.          * @param container container to fill
  111.          * @return true of token was accepted
  112.          */
  113.         boolean process(ParseToken token, ContextBinding context, SpinStabilized container);
  114.     }

  116. }
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