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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.metaschema.databind.io.json;
28  
29  import gov.nist.secauto.metaschema.core.model.util.JsonUtil;
30  import gov.nist.secauto.metaschema.databind.io.AbstractProblemHandler;
31  import gov.nist.secauto.metaschema.databind.model.IClassBinding;
32  
33  import java.io.IOException;
34  import java.util.HashSet;
35  import java.util.Set;
36  
37  public class DefaultJsonProblemHandler
38      extends AbstractProblemHandler
39      implements IJsonProblemHandler {
40    private static final String JSON_SCHEMA_FIELD_NAME = "$schema";
41    private static final Set<String> IGNORED_FIELD_NAMES;
42  
43    static {
44      IGNORED_FIELD_NAMES = new HashSet<>();
45      IGNORED_FIELD_NAMES.add(JSON_SCHEMA_FIELD_NAME);
46    }
47  
48    @SuppressWarnings("resource")
49    @Override
50    public boolean handleUnknownProperty(
51        IClassBinding classBinding,
52        Object targetObject,
53        String fieldName,
54        IJsonParsingContext parsingContext) throws IOException {
55      boolean retval = false;
56      if (IGNORED_FIELD_NAMES.contains(fieldName)) {
57        JsonUtil.skipNextValue(parsingContext.getReader());
58        retval = true;
59      }
60      return retval;
61    }
62  }