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.cdm; 18 19 import org.orekit.files.ccsds.utils.ContextBinding; 20 import org.orekit.files.ccsds.utils.lexical.ParseToken; 21 22 /** Keywords allowed in {@link CdmHeader}. 23 * @author Melina Vanel 24 * @since 11.2 25 */ 26 public enum CdmHeaderKey { 27 28 /** Creating spacecraft name for which the CDM is provided. */ 29 MESSAGE_FOR((token, context, header) -> token.processAsUppercaseString(header::setMessageFor)), 30 31 /** User-defined free-text message classification or caveats of this CDM. */ 32 CLASSIFICATION((token, context, header) -> token.processAsNormalizedString(header::setClassification)); 33 34 /** Processing method. */ 35 private final transient TokenProcessor processor; 36 37 /** Simple constructor. 38 * @param processor processing method 39 */ 40 CdmHeaderKey(final TokenProcessor processor) { 41 this.processor = processor; 42 } 43 44 /** Process an token. 45 * @param token token to process 46 * @param context context binding 47 * @param header header to fill 48 * @return true of token was accepted 49 */ 50 public boolean process(final ParseToken token, final ContextBinding context, final CdmHeader header) { 51 return processor.process(token, context, header); 52 } 53 54 /** Interface for processing one token. */ 55 interface TokenProcessor { 56 /** Process one token. 57 * @param token token to process 58 * @param context context binding 59 * @param header header to fill 60 * @return true of token was accepted 61 */ 62 boolean process(ParseToken token, ContextBinding context, CdmHeader header); 63 } 64 65 }