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1   /**
2    * Portions of this software was developed by employees of the National Institute
3    * of Standards and Technology (NIST), an agency of the Federal Government and is
4    * being made available as a public service. Pursuant to title 17 United States
5    * Code Section 105, works of NIST employees are not subject to copyright
6    * protection in the United States. This software may be subject to foreign
7    * copyright. Permission in the United States and in foreign countries, to the
8    * extent that NIST may hold copyright, to use, copy, modify, create derivative
9    * works, and distribute this software and its documentation without fee is hereby
10   * granted on a non-exclusive basis, provided that this notice and disclaimer
11   * of warranty appears in all copies.
12   *
13   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
19   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25   */
26  
27  package gov.nist.secauto.swid.swidval.controller;
28  
29  import gov.nist.secauto.decima.core.assessment.AssessmentExecutor;
30  import gov.nist.secauto.decima.xml.document.XMLDocument;
31  import gov.nist.secauto.swid.swidval.SWIDAssessmentFactory;
32  import gov.nist.secauto.swid.swidval.TagType;
33  
34  import java.util.EnumMap;
35  import java.util.Objects;
36  import java.util.concurrent.ExecutorService;
37  import java.util.concurrent.Executors;
38  
39  public class SWIDAssessmentManager {
40    private final ExecutorService executorService;
41    private final EnumMap<TagType, AssessmentExecutor<XMLDocument>> authoritativeAssessmentExecutors
42        = new EnumMap<>(TagType.class);
43    private final EnumMap<TagType, AssessmentExecutor<XMLDocument>> nonAuthoritativeAssessmentExecutors
44        = new EnumMap<>(TagType.class);
45  
46    public SWIDAssessmentManager() {
47      this(Executors.newFixedThreadPool(2));
48    }
49  
50    public SWIDAssessmentManager(ExecutorService executorService) {
51      this.executorService = executorService;
52    }
53  
54    public synchronized AssessmentExecutor<XMLDocument> getAssessmentExecutor(TagType tagType, boolean authoritative) {
55      Objects.requireNonNull(tagType, "tagType");
56  
57      EnumMap<TagType, AssessmentExecutor<XMLDocument>> executorMap;
58      if (authoritative) {
59        executorMap = authoritativeAssessmentExecutors;
60      } else {
61        executorMap = nonAuthoritativeAssessmentExecutors;
62      }
63  
64      AssessmentExecutor<XMLDocument> executor = executorMap.get(tagType);
65      if (executor == null) {
66        executor = SWIDAssessmentFactory.getInstance().newAssessmentExecutor(tagType, authoritative, executorService);
67        executorMap.put(tagType, executor);
68      }
69      return executor;
70    }
71  }