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.metaschema.databind;
28
29 import gov.nist.secauto.metaschema.core.model.IModule;
30 import gov.nist.secauto.metaschema.core.model.MetaschemaException;
31 import gov.nist.secauto.metaschema.core.model.constraint.IConstraintSet;
32 import gov.nist.secauto.metaschema.databind.model.IClassBinding;
33
34 import java.util.HashSet;
35 import java.util.Set;
36
37 import edu.umd.cs.findbugs.annotations.NonNull;
38
39 class ExternalConstraintsModuleLoaderStrategy
40 extends AbstractModuleLoaderStrategy {
41 @NonNull
42 private final Set<IConstraintSet> externalConstraintSets;
43 private final Set<IModule> resolvedModules = new HashSet<>();
44
45 protected ExternalConstraintsModuleLoaderStrategy(
46 @NonNull IBindingContext bindingContext,
47 @NonNull Set<IConstraintSet> externalConstraintSets) {
48 super(bindingContext);
49 this.externalConstraintSets = externalConstraintSets;
50 }
51
52 @NonNull
53 protected Set<IConstraintSet> getExternalConstraintSets() {
54 return externalConstraintSets;
55 }
56
57 @Override
58 public IClassBinding getClassBinding(@NonNull Class<?> clazz) {
59 IClassBinding retval = super.getClassBinding(clazz);
60 if (retval != null) {
61 // force loading of metaschema information to apply constraints
62 IModule module = retval.getContainingModule();
63 synchronized (resolvedModules) {
64 if (!resolvedModules.contains(module)) {
65 // add first, to avoid loops
66 resolvedModules.add(module);
67 try {
68 IConstraintSet.applyConstraintSetToModule(getExternalConstraintSets(), module);
69 } catch (MetaschemaException ex) {
70 throw new IllegalStateException(ex);
71 }
72 }
73 }
74 }
75 return retval;
76 }
77 }