| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.johnzon.core; |
| |
| import jakarta.json.JsonReader; |
| import jakarta.json.JsonReaderFactory; |
| import jakarta.json.spi.JsonProvider; |
| import java.io.ObjectStreamException; |
| import java.io.Serializable; |
| import java.io.StringReader; |
| import java.util.Collections; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| public class SerializableValue implements Serializable { |
| private static final AtomicReference<JsonReaderFactory> FACTORY_ATOMIC_REFERENCE = new AtomicReference<JsonReaderFactory>(); |
| |
| private final String value; |
| |
| SerializableValue(final String value) { |
| this.value = value; |
| } |
| |
| private Object readResolve() throws ObjectStreamException { |
| final JsonReader parser = factory().createReader(new StringReader(value)); |
| try { |
| return parser.read(); |
| } finally { |
| parser.close(); |
| } |
| } |
| |
| private static JsonReaderFactory factory() { // avoid to create too much instances of provider or factories, not needed |
| JsonReaderFactory factory = FACTORY_ATOMIC_REFERENCE.get(); |
| if (factory == null) { |
| FACTORY_ATOMIC_REFERENCE.compareAndSet(null, JsonProvider.provider().createReaderFactory(Collections.<String, Object>emptyMap())); |
| factory = FACTORY_ATOMIC_REFERENCE.get(); |
| } |
| return factory; |
| } |
| } |