/*
* @(#)NonSerialSuperExample.java 1.1 98/10/03
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
import java.io.*;
/** This example shows how to serialize a subclass whose superclass is not
* serializable.
* When a superclass of a particular is not serializable, the subclass is
* responsible for saving the state of its supertype (in its writeObject)
*
* Compiled and Tested on JDK1.1 & JDK1.2
*
* How to run this example:
* Compile this file: javac NonSerialSuperExample.java
* Then run: java NonSerialSuperExample
*
* This will print out a book object before and after serialization.
*/
public class NonSerialSuperExample {
/**
* Creates a book object, serializes it, deserializes it and then prints
* out to test that the serialization did work.
*/
public static void main(String args[]) {
// create a Book object
Book bookorg = new Book(100, "How to Serialize", true, "R.R", "Serialization", 1997);
Book booknew = null;
// serialize the Book
try {
FileOutputStream fo = new FileOutputStream("tmp");
ObjectOutputStream so = new ObjectOutputStream(fo);
so.writeObject(bookorg);
so.flush();
} catch (Exception e) {
System.out.println(e);
System.exit(1);
}
// deserialize the Book
try {
FileInputStream fi = new FileInputStream("tmp");
ObjectInputStream si = new ObjectInputStream(fi);
booknew = (Book) si.readObject();
}catch (Exception e) {
System.out.println(e);
System.exit(1);
}
// The books should be the same if we did everything correctly!
System.out.println();
System.out.println("Printing original book...");
System.out.println(bookorg);
System.out.println("Printing new book... ");
System.out.println(booknew);
System.out.println("The original and new should be the same!");
System.out.println();
}
}
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