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 com.fasterxml.jackson.core.JsonFactory;
30 import com.fasterxml.jackson.core.JsonGenerator;
31 import com.fasterxml.jackson.core.JsonParser;
32
33 import edu.umd.cs.findbugs.annotations.NonNull;
34
35 public final class JsonFactoryFactory {
36 @NonNull
37 private static final JsonFactory SINGLETON = newJsonFactoryInstance();
38
39 private JsonFactoryFactory() {
40 // disable construction
41 }
42
43 /**
44 * Create a new {@link JsonFactory}.
45 *
46 * @return the factory
47 */
48 @NonNull
49 private static JsonFactory newJsonFactoryInstance() {
50 JsonFactory retval = new JsonFactory();
51 configureJsonFactory(retval);
52 return retval;
53 }
54
55 /**
56 * Get the cached {@link JsonFactory} instance.
57 *
58 * @return the factory
59 */
60 @NonNull
61 public static JsonFactory instance() {
62 return SINGLETON;
63 }
64
65 /**
66 * Apply a standard configuration to the provided JSON {@code factory}.
67 *
68 * @param factory
69 * the factory to configure
70 */
71 public static void configureJsonFactory(@NonNull JsonFactory factory) {
72 // avoid automatically closing parsing streams not owned by the reader
73 factory.disable(JsonParser.Feature.AUTO_CLOSE_SOURCE);
74 // avoid automatically closing generation streams not owned by the reader
75 factory.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
76 }
77 }