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.files.ccsds.ndm.tdm; 18 19 import org.orekit.files.ccsds.utils.ContextBinding; 20 import org.orekit.files.ccsds.utils.lexical.ParseToken; 21 import org.orekit.files.ccsds.utils.lexical.TokenType; 22 23 24 /** Keys for {@link Observation TDM observations} entries, except the measurements themselves. 25 * @author Maxime Journot 26 * @since 11.0 27 */ 28 public enum TdmDataKey { 29 30 /** Observation wrapper. */ 31 observation((token, context, observationsBlock) -> observationsBlock.addObservationEpoch(null)), 32 33 /** Comment entry. */ 34 COMMENT((token, context, observationsBlock) -> 35 token.getType() == TokenType.ENTRY ? observationsBlock.addComment(token.getContentAsNormalizedString()) : true), 36 37 /** Epoch entry. */ 38 EPOCH((token, context, observationsBlock) -> token.processAsDate(observationsBlock::addObservationEpoch, context)); 39 40 /** Processing method. */ 41 private final transient TokenProcessor processor; 42 43 /** Simple constructor. 44 * @param processor processing method 45 */ 46 TdmDataKey(final TokenProcessor processor) { 47 this.processor = processor; 48 } 49 50 /** Process one token. 51 * @param token token to process 52 * @param context context binding 53 * @param observationsBlock observation block to fill 54 * @return true if token was accepted 55 */ 56 public boolean process(final ParseToken token, final ContextBinding context, 57 final ObservationsBlock observationsBlock) { 58 return processor.process(token, context, observationsBlock); 59 } 60 61 /** Interface for processing one token. */ 62 interface TokenProcessor { 63 /** Process one token. 64 * @param token token to process 65 * @param context context binding 66 * @param observationsBlock observation block to fill 67 * @return true if token was accepted 68 */ 69 boolean process(ParseToken token, ContextBinding context, ObservationsBlock observationsBlock); 70 } 71 72 }