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/*
* 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.
*/
/*
@test
@bug 4094892
@summary Verify that an object is not validated more than once during deserialization.
*/
import java.io.*;
import java.util.Date;
public class Validate {
public static void main(String[] args) throws Exception {
try {
// Write class out
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(baos);
Class1 c1 = new Class1(11, 22);
out.writeObject(c1);
out.writeObject(new Class1(22,33));
out.writeObject(new Date());
out.writeObject(new Date());
out.writeObject(new Date());
out.writeObject(new Date());
out.flush();
out.close();
// Read it back
ByteArrayInputStream bais =
new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
Class1 cc1 = (Class1) in.readObject();
Class1 cc2 = (Class1) in.readObject();
System.out.println("date: " + in.readObject());
System.out.println("date: " + in.readObject());
System.out.println("date: " + in.readObject());
System.out.println("date: " + in.readObject());
in.close();
System.out.println(cc1.a + " " + cc1.b);
System.out.println(cc2.a + " " + cc2.b);
} catch (IOException e) {
e.printStackTrace();
throw e;
} catch (ClassNotFoundException e) {
e.printStackTrace();
throw e;
}
}
}
class Class1 implements Serializable, ObjectInputValidation {
int a, b;
transient int validates;
public Class1(int aa, int bb) {
a = aa;
b = bb;
}
public void validateObject() throws InvalidObjectException {
if (validates > 0)
throw new Error("Implementation error: Re-validating object " + this.toString());
validates++;
System.out.println("Validating " + this.toString());
if (a > b) {
throw new InvalidObjectException("Fields cannot be negative");
}
}
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
in.registerValidation(this, 1);
in.defaultReadObject();
}
}
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