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 }