package rule74;

import java.awt.Component;

/**
 *
 *
 * @author gwon
 * @history
 *          2019. 5. 25. initial creation
 */
public class Rule74 {

	// Implements Serializable to pass server exceptions that occur during RMI.
	Throwable throwable = new Throwable();

	// Implements Serializable to send, keep, and restore GUI.
	Component component = new Component() {};

}

package rule74;

import java.io.Serializable;

/**
 *
 *
 * @author gwon
 * @history
 *          2019. 5. 25. initial creation
 */
public class SerialVersionUidClass implements Serializable {
	private static final long serialVersionUID = 177705176L;

}

package rule74.test2;

/**
 *
 *
 * @author gwon
 * @history
 *          2019. 5. 25. initial creation
 */

public class NotSerializableParent {

	/***************************************************
	 * During an object's de-serialization, it starts with parent class. Since the parent class is
	 * non-serializable, it can retrieve the property information of the parent classes through the
	 * default constructor. If there is no default constructor, the object becomes invalid.
	 *
	 * This NotSerializableParent class non-serializable and has no default constructor, so an error
	 * occurs when de-serializing a Child class that inherits from this class.
	 *
	 * public NotSerializableParent(){
	 *
	 * }
	 *
	 *
	 ****************************************************/

	public NotSerializableParent(String str) {
		System.out.println("Constructor with param");
	}

}

package rule74.test2;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

/**
 *
 *
 * @author gwon
 * @history
 *          2019. 5. 25. initial creation
 */
public class Child extends NotSerializableParent implements Serializable {

	public Child(String str) {
		super(str);
	}

	private static final long serialVersionUID = 1L;

	public static void main(String[] args) throws IOException, ClassNotFoundException {
		Child child = new Child("test");

		// Serialization
		byte[] serializedMember;
		try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
			try (ObjectOutputStream oos = new ObjectOutputStream(baos)) {
				oos.writeObject(child);
				serializedMember = baos.toByteArray();
			}
		}

		// De-Serialization
		try (ByteArrayInputStream bais = new ByteArrayInputStream(serializedMember)) {
			try (ObjectInputStream ois = new ObjectInputStream(bais)) {
				Object objectMember = ois.readObject();

				// InvalidClassException occurs with "no valid constructor" message
				Child deChild = (Child) objectMember;
			}
		}
	}

}