1 /*
   2  * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @bug 4075221
  26  * @summary Enable serialize of nonSerializable Class descriptor.
  27  */
  28 
  29 import java.io.*;
  30 
  31 class Test {
  32     public static void main(String args[]) throws Exception {
  33         File f = new File("tmp.ser");
  34         if (args[0].compareTo("-s") == 0) {
  35             FileOutputStream of = new FileOutputStream(f);
  36             ObjectOutputStream oos = new ObjectOutputStream(of);
  37             Class cl = Class.forName(args[1]);
  38             oos.writeObject(cl);
  39             if (ObjectStreamClass.lookup(cl) != null)
  40                 oos.writeObject(cl.newInstance());
  41             oos.close();
  42             System.out.println("Serialized Class " + cl.getName());
  43         } else if (args[0].compareTo("-de") == 0) {
  44             FileInputStream inf = new FileInputStream(f);
  45             ObjectInputStream ois = new ObjectInputStream(inf);
  46             Class cl = null;
  47             try {
  48                 cl = (Class)ois.readObject();
  49                 throw new Error("Expected InvalidClassException to be thrown");
  50             } catch (InvalidClassException e) {
  51                 System.out.println("Caught expected exception DeSerializing class " + e.getMessage());
  52             }
  53             ois.close();
  54         } else if (args[0].compareTo("-doe") == 0) {
  55             FileInputStream inf = new FileInputStream(f);
  56             ObjectInputStream ois = new ObjectInputStream(inf);
  57             Class cl = null;
  58             cl = (Class)ois.readObject();
  59             try {
  60                 ois.readObject();
  61                 throw new Error("Expected InvalidClassException to be thrown");
  62             } catch (InvalidClassException e) {
  63                 System.out.println("Caught expected exception DeSerializing class " + e.getMessage());
  64             }
  65             ois.close();
  66         } else if (args[0].compareTo("-d") == 0) {
  67             FileInputStream inf = new FileInputStream(f);
  68             ObjectInputStream ois = new ObjectInputStream(inf);
  69             Class cl = (Class)ois.readObject();
  70             try {
  71                 ois.readObject();
  72             } catch (EOFException e) {
  73             }
  74             ois.close();
  75             System.out.println("DeSerialized Class " + cl.getName());
  76         }
  77     }
  78 }