SpinStabilizedKey.java
/* Copyright 2002-2022 CS GROUP
* Licensed to CS GROUP (CS) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.orekit.files.ccsds.ndm.adm.apm;
import org.orekit.files.ccsds.definitions.Units;
import org.orekit.files.ccsds.utils.ContextBinding;
import org.orekit.files.ccsds.utils.lexical.ParseToken;
import org.orekit.files.ccsds.utils.lexical.TokenType;
import org.orekit.utils.units.Unit;
/** Keys for {@link SpinStabilized APM spin-stabilized} entries.
* @author Bryan Cazabonne
* @since 10.2
*/
public enum SpinStabilizedKey {
/** Comment entry. */
COMMENT((token, context, container) ->
token.getType() == TokenType.ENTRY ? container.addComment(token.getContentAsNormalizedString()) : true),
/** First reference frame entry. */
SPIN_FRAME_A((token, context, container) -> token.processAsFrame(container.getEndpoints()::setFrameA, context, true, true, true)),
/** Second reference frame entry. */
SPIN_FRAME_B((token, context, container) -> {
if (token.getType() == TokenType.ENTRY) {
container.checkNotNull(container.getEndpoints().getFrameA(), SPIN_FRAME_A);
final boolean aIsSpaceraftBody = container.getEndpoints().getFrameA().asSpacecraftBodyFrame() != null;
return token.processAsFrame(container.getEndpoints()::setFrameB, context,
aIsSpaceraftBody, aIsSpaceraftBody, !aIsSpaceraftBody);
}
return true;
}),
/** Rotation direction entry. */
SPIN_DIR((token, context, container) -> {
if (token.getType() == TokenType.ENTRY) {
container.getEndpoints().setA2b(token.getContentAsUppercaseCharacter() == 'A');
}
return true;
}),
/** Spin right ascension entry. */
SPIN_ALPHA((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
container::setSpinAlpha)),
/** Spin declination entry. */
SPIN_DELTA((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
container::setSpinDelta)),
/** Spin phase entry. */
SPIN_ANGLE((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
container::setSpinAngle)),
/** Spin angular velocity entry. */
SPIN_ANGLE_VEL((token, context, container) -> token.processAsDouble(Units.DEG_PER_S, context.getParsedUnitsBehavior(),
container::setSpinAngleVel)),
/** Nutation angle entry. */
NUTATION((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
container::setNutation)),
/** Nutation period entry. */
NUTATION_PER((token, context, container) -> token.processAsDouble(Unit.SECOND, context.getParsedUnitsBehavior(),
container::setNutationPeriod)),
/** Nutation phase entry. */
NUTATION_PHASE((token, context, container) -> token.processAsDouble(Unit.DEGREE, context.getParsedUnitsBehavior(),
container::setNutationPhase));
/** Processing method. */
private final TokenProcessor processor;
/** Simple constructor.
* @param processor processing method
*/
SpinStabilizedKey(final TokenProcessor processor) {
this.processor = processor;
}
/** Process one token.
* @param token token to process
* @param context context binding
* @param container container to fill
* @return true of token was accepted
*/
public boolean process(final ParseToken token, final ContextBinding context, final SpinStabilized container) {
return processor.process(token, context, container);
}
/** Interface for processing one token. */
interface TokenProcessor {
/** Process one token.
* @param token token to process
* @param context context binding
* @param container container to fill
* @return true of token was accepted
*/
boolean process(ParseToken token, ContextBinding context, SpinStabilized container);
}
}