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/*
 * Copyright 2006-2024 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.objenesis.instantiator.perc;

import java.io.ObjectInputStream;
import java.io.Serializable;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.objenesis.ObjenesisException;
import org.objenesis.instantiator.ObjectInstantiator;
import org.objenesis.instantiator.annotations.Instantiator;
import org.objenesis.instantiator.annotations.Typology;

/**
 * Instantiates a class by making a call to internal Perc private methods. It is only supposed to
 * work on Perc JVMs. This instantiator will create classes in a way compatible with serialization,
 * calling the first non-serializable superclass' no-arg constructor.
 * 

* Based on code provided by Aonix but doesn't work right now * * @author Henri Tremblay * @see org.objenesis.instantiator.ObjectInstantiator */ @Instantiator(Typology.SERIALIZATION) public class PercSerializationInstantiator implements ObjectInstantiator { private final Object[] typeArgs; private final Method newInstanceMethod; public PercSerializationInstantiator(Class type) { // Find the first unserializable parent class Class unserializableType = type; while(Serializable.class.isAssignableFrom(unserializableType)) { unserializableType = unserializableType.getSuperclass(); } try { // Get the special Perc method to call Class percMethodClass = Class.forName("COM.newmonics.PercClassLoader.Method"); newInstanceMethod = ObjectInputStream.class.getDeclaredMethod("noArgConstruct", Class.class, Object.class, percMethodClass); newInstanceMethod.setAccessible(true); // Create invoke params Class percClassClass = Class.forName("COM.newmonics.PercClassLoader.PercClass"); Method getPercClassMethod = percClassClass.getDeclaredMethod("getPercClass", Class.class); Object someObject = getPercClassMethod.invoke(null, unserializableType); Method findMethodMethod = someObject.getClass().getDeclaredMethod("findMethod", String.class); Object percMethod = findMethodMethod.invoke(someObject, "()V"); typeArgs = new Object[] {unserializableType, type, percMethod}; } catch(ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) { throw new ObjenesisException(e); } } @SuppressWarnings("unchecked") public T newInstance() { try { return (T) newInstanceMethod.invoke(null, typeArgs); } catch(IllegalAccessException | InvocationTargetException e) { throw new ObjenesisException(e); } } }





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