SubclassAcrossPackage.java

/*
 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @bug 4093279
 * REMOVED test, build and run tag since could not get this to work.
 * Test is run via shell script, run.sh.
 */

package Serialize;

import java.io.*;

class PublicSerializable
extends NonSerializable.PublicCtor implements Serializable
{
    int field1 = 5;
};

class ProtectedSerializable
extends NonSerializable.ProtectedCtor implements Serializable
{
    int field1 = 5;
};

class DifferentPackageSerializable
extends NonSerializable.PackageCtor implements Serializable
{
    int field1 = 5;
    DifferentPackageSerializable() {
        super(1);
    }
};

class SamePackageSerializable
extends Serialize.SamePackageCtor implements Serializable
{
    SamePackageSerializable() {
    }
};

class SamePackageProtectedCtor {
    protected SamePackageProtectedCtor() {
    }
};

class SamePackageProtectedSerializable
extends Serialize.SamePackageProtectedCtor implements Serializable
{
    SamePackageProtectedSerializable() {
    }
};


class SamePackagePrivateCtor {
    private SamePackagePrivateCtor() {
    }
    public SamePackagePrivateCtor(int l) {
    }
};

class SamePackagePrivateSerializable
extends Serialize.SamePackagePrivateCtor implements Serializable
{
    SamePackagePrivateSerializable() {
        super(1);
    }
};

class PrivateSerializable
extends NonSerializable.PrivateCtor implements Serializable
{
    int field1 = 5;

    PrivateSerializable() {
        super(1);
    }
};

class ExternalizablePublicCtor implements Externalizable {
    public ExternalizablePublicCtor() {
    }
    public void writeExternal(ObjectOutput out) throws IOException {
    }
    public void readExternal(ObjectInput in)
        throws IOException, ClassNotFoundException
        {
        }
};

class ExternalizableProtectedCtor implements Externalizable {
    protected ExternalizableProtectedCtor() {
    }
    public void writeExternal(ObjectOutput out) throws IOException {
    }
    public void readExternal(ObjectInput in)
        throws IOException, ClassNotFoundException
        {
        }
};

class ExternalizablePackageCtor implements Externalizable {
    ExternalizablePackageCtor() {
    }
    public void writeExternal(ObjectOutput out) throws IOException {
    }
    public void readExternal(ObjectInput in)
        throws IOException, ClassNotFoundException
        {
        }
};

class ExternalizablePrivateCtor implements Externalizable {
    private ExternalizablePrivateCtor() {
    }
    public ExternalizablePrivateCtor(int i) {
    }
    public void writeExternal(ObjectOutput out) throws IOException {
    }
    public void readExternal(ObjectInput in)
        throws IOException, ClassNotFoundException
        {
        }
};


public class SubclassAcrossPackage {
    public static void main(String args[])
        throws IOException, ClassNotFoundException
        {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ObjectOutputStream out =   new ObjectOutputStream(baos);
            out.writeObject(new PublicSerializable());
            out.writeObject(new ProtectedSerializable());
            out.writeObject(new SamePackageSerializable());
            out.writeObject(new SamePackageProtectedSerializable());
            out.writeObject(new DifferentPackageSerializable());

            InputStream is = new ByteArrayInputStream(baos.toByteArray());
            ObjectInputStream in = new ObjectInputStream(is);
            /* (PublicSerializable)*/ in.readObject();
            /* (ProtectedSerializable) */ in.readObject();
            /* (SamePackageSerializable) */ in.readObject();
            /* (SamePackageProtectedSerializable) */ in.readObject();
            try {
            /* (DifferentPackageSerializable) */ in.readObject();
            } catch (InvalidClassException e) {
            }
            in.close();

            baos.reset();
            out = new ObjectOutputStream(baos);
            out.writeObject(new PrivateSerializable());
            in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
            try {
                /* (PrivateSerializable) */ in.readObject();
                throw new Error("Expected InvalidClassException reading PrivateSerialziable");
            } catch (InvalidClassException e) {
            }
            in.close();

            baos.reset();
            out = new ObjectOutputStream(baos);
            out.writeObject(new SamePackagePrivateSerializable());
            in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
            try {
                /* (SamePackagePrivateSerializable) */ in.readObject();
                throw new Error("Expected InvalidClassException reading PrivateSerialziable");
            } catch (InvalidClassException e) {
            }
            in.close();

            baos.reset();
            out = new ObjectOutputStream(baos);
            out.writeObject(new ExternalizablePublicCtor());

            in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
            /* (ExternalizablePublicCtor) */ in.readObject();
            in.close();

            baos.reset();
            out = new ObjectOutputStream(baos);
            out.writeObject(new ExternalizableProtectedCtor());


            in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
            try {
                /* (ExternalizableProtectedCtor) */ in.readObject();
                throw new Error("Expected InvalidClassException reading ExternalizableProtectedCtor");
            } catch (InvalidClassException e) {
            }
            in.close();

            baos.reset();
            out = new ObjectOutputStream(baos);
            out.writeObject(new ExternalizablePackageCtor());

            in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
            try {
                /* (ExternalizablePackageCtor) */ in.readObject();
                throw new Error("Expected InvalidClassException reading ExternalizablePackageCtor");
            } catch (InvalidClassException e) {
            }
            in.close();

            baos.reset();
            out = new ObjectOutputStream(baos);
            out.writeObject(new ExternalizablePrivateCtor(2));

            in = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
            try {
                /* (ExternalizablePrivateCtor) */ in.readObject();
                throw new Error("Expected InvalidClassException reading ExternalizablePrivateCtor");
            } catch (InvalidClassException e) {
            }
            out.close();
            in.close();
        }
}