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.io;
28
29 import gov.nist.secauto.metaschema.databind.model.IBoundNamedInstance;
30 import gov.nist.secauto.metaschema.databind.model.IClassBinding;
31
32 import java.io.IOException;
33 import java.util.Collection;
34
35 import edu.umd.cs.findbugs.annotations.NonNull;
36
37 public abstract class AbstractProblemHandler implements IProblemHandler {
38
39 @Override
40 public void handleMissingInstances(
41 IClassBinding parentDefinition,
42 Object targetObject,
43 Collection<? extends IBoundNamedInstance> unhandledInstances) throws IOException {
44 applyDefaults(targetObject, unhandledInstances);
45 }
46
47 /**
48 * A utility method for applying default values for the provided
49 * {@code unhandledInstances}.
50 *
51 * @param <TYPE>
52 * the instance Java type to handle
53 * @param targetObject
54 * the Java object to apply default values to
55 * @param unhandledInstances
56 * the collection of unhandled instances to assign default values for
57 * @throws IOException
58 * if an error occurred while determining the default value for an
59 * instance
60 */
61 protected static <TYPE extends IBoundNamedInstance> void applyDefaults(
62 @NonNull Object targetObject,
63 @NonNull Collection<TYPE> unhandledInstances) throws IOException {
64 for (TYPE instance : unhandledInstances) {
65 Object value;
66 try {
67 value = instance.defaultValue();
68 } catch (BindingException ex) {
69 throw new IOException(ex);
70 }
71 if (value != null) {
72 instance.setValue(targetObject, value);
73 }
74 }
75 }
76 }