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 java.io.IOException;
20  
21  import org.orekit.files.ccsds.definitions.Units;
22  import org.orekit.files.ccsds.section.AbstractWriter;
23  import org.orekit.files.ccsds.utils.generation.Generator;
24  import org.orekit.utils.units.Unit;
25  
26  /**
27   * Writer for additional parameters data block for CCSDS Conjunction Data Messages.
28   *
29   * @author Melina Vanel
30   * @since 11.2
31   */
32  public class AdditionalParametersWriter extends AbstractWriter {
33  
34      /** Additional parameters block. */
35      private final AdditionalParameters additionalParameters;
36  
37      /** Create a writer.
38       * @param xmlTag name of the XML tag surrounding the section
39       * @param kvnTag name of the KVN tag surrounding the section (may be null)
40       * @param additionalParameters additional parameters data to write
41       */
42      AdditionalParametersWriter(final String xmlTag, final String kvnTag,
43                         final AdditionalParameters additionalParameters) {
44          super(xmlTag, kvnTag);
45          this.additionalParameters = additionalParameters;
46  
47      }
48  
49      /** {@inheritDoc} */
50      @Override
51      protected void writeContent(final Generator generator) throws IOException {
52  
53          generator.writeComments(additionalParameters.getComments());
54  
55          // additional parameters
56          generator.writeEntry(AdditionalParametersKey.AREA_PC.name(),             additionalParameters.getAreaPC(),             Units.M2,        false);
57          generator.writeEntry(AdditionalParametersKey.AREA_DRG.name(),            additionalParameters.getAreaDRG(),            Units.M2,        false);
58          generator.writeEntry(AdditionalParametersKey.AREA_SRP.name(),            additionalParameters.getAreaSRP(),            Units.M2,        false);
59          generator.writeEntry(AdditionalParametersKey.MASS.name(),                additionalParameters.getMass(),               Unit.KILOGRAM,   false);
60          generator.writeEntry(AdditionalParametersKey.CD_AREA_OVER_MASS.name(),   additionalParameters.getCDAreaOverMass(),     Units.M2_PER_KG, false);
61          generator.writeEntry(AdditionalParametersKey.CR_AREA_OVER_MASS.name(),   additionalParameters.getCRAreaOverMass(),     Units.M2_PER_KG, false);
62          generator.writeEntry(AdditionalParametersKey.THRUST_ACCELERATION.name(), additionalParameters.getThrustAcceleration(), Units.M_PER_S2,  false);
63          generator.writeEntry(AdditionalParametersKey.SEDR.name(),                additionalParameters.getSedr(),               Units.W_PER_KG,  false);
64  
65      }
66  
67  }