org.sugarcubes.cloner.Jdk15ConfigurationImpl Maven / Gradle / Ivy

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Deep cloning of any objects

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/*
 * Copyright 2017-2023 the original author or authors.
 *
 * Licensed 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.sugarcubes.cloner;

import java.lang.reflect.Field;
import java.util.List;

/**
 * Implementation of {@link JdkConfiguration} for JDK 15+.
 */
class Jdk15ConfigurationImpl extends Jdk9ConfigurationImpl {

    Jdk15ConfigurationImpl() {
        Class immutableCollectionsClass = ReflectionUtils.classForName("java.util.ImmutableCollections");
        Field archivedObjectsField = ReflectionUtils.getField(immutableCollectionsClass, "archivedObjects");
        Object[] archivedObjects = (Object[]) ClonerExceptionUtils.replaceException(() -> archivedObjectsField.get(null));
        systemWideSingletons.addAll(List.of(archivedObjects));
    }

}