1 /*
   2  * Copyright (c) 2000, 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 4348213


  26  * @summary Verify that deserialization allows an incoming class descriptor
  27  *          representing a class in the unnamed package to be resolved to a
  28  *          local class with the same name in a named package, and vice-versa.
  29  */
  30 
  31 import java.io.*;







  32 
  33 class A implements Serializable {
  34     private static final long serialVersionUID = 0L;
  35 }
  36 
  37 class TestObjectInputStream extends ObjectInputStream {
  38     TestObjectInputStream(InputStream in) throws IOException { super(in); }
  39     protected Class resolveClass(ObjectStreamClass desc)
  40         throws IOException, ClassNotFoundException
  41     {
  42         String name = desc.getName();
  43         if (name.equals("A")) {
  44             return pkg.A.class;
  45         } else if (name.equals("pkg.A")) {
  46             return A.class;
  47         } else {
  48             return super.resolveClass(desc);
  49         }
  50     }
  51 }
  52 
  53 public class Test {
  54     public static void main(String[] args) throws Exception {
  55         ByteArrayOutputStream bout = new ByteArrayOutputStream();
  56         ObjectOutputStream oout = new ObjectOutputStream(bout);
  57         oout.writeObject(new A());
  58         oout.writeObject(new pkg.A());
  59         oout.close();
  60 
  61         ObjectInputStream oin = new TestObjectInputStream(
  62             new ByteArrayInputStream(bout.toByteArray()));
  63         oin.readObject();
  64         oin.readObject();
  65     }
  66 }
--- EOF ---