001/* 002 * Portions of this software was developed by employees of the National Institute 003 * of Standards and Technology (NIST), an agency of the Federal Government and is 004 * being made available as a public service. Pursuant to title 17 United States 005 * Code Section 105, works of NIST employees are not subject to copyright 006 * protection in the United States. This software may be subject to foreign 007 * copyright. Permission in the United States and in foreign countries, to the 008 * extent that NIST may hold copyright, to use, copy, modify, create derivative 009 * works, and distribute this software and its documentation without fee is hereby 010 * granted on a non-exclusive basis, provided that this notice and disclaimer 011 * of warranty appears in all copies. 012 * 013 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER 014 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY 015 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF 016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM 017 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE 018 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT 019 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT, 020 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM, 021 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY, 022 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR 023 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT 024 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER. 025 */ 026 027package gov.nist.secauto.metaschema.databind.io.json; 028 029import com.fasterxml.jackson.core.JsonFactory; 030import com.fasterxml.jackson.core.JsonGenerator; 031import com.fasterxml.jackson.core.JsonParser; 032 033import edu.umd.cs.findbugs.annotations.NonNull; 034 035public final class JsonFactoryFactory { 036 @NonNull 037 private static final JsonFactory SINGLETON = newJsonFactoryInstance(); 038 039 private JsonFactoryFactory() { 040 // disable construction 041 } 042 043 /** 044 * Create a new {@link JsonFactory}. 045 * 046 * @return the factory 047 */ 048 @NonNull 049 private static JsonFactory newJsonFactoryInstance() { 050 JsonFactory retval = new JsonFactory(); 051 configureJsonFactory(retval); 052 return retval; 053 } 054 055 /** 056 * Get the cached {@link JsonFactory} instance. 057 * 058 * @return the factory 059 */ 060 @NonNull 061 public static JsonFactory instance() { 062 return SINGLETON; 063 } 064 065 /** 066 * Apply a standard configuration to the provided JSON {@code factory}. 067 * 068 * @param factory 069 * the factory to configure 070 */ 071 public static void configureJsonFactory(@NonNull JsonFactory factory) { 072 // avoid automatically closing parsing streams not owned by the reader 073 factory.disable(JsonParser.Feature.AUTO_CLOSE_SOURCE); 074 // avoid automatically closing generation streams not owned by the reader 075 factory.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET); 076 } 077}