| /* |
| * 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(); |
| } |
| } |