| /* |
| * Copyright (c) 1999, 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 4205440 |
| * @summary When ObjectInputStream.inputClassDescriptor calls its protected |
| * resolveClass, if a NoClassDefFoundError is thrown, that Error should be |
| * propagated to the caller, instead of being trapped and transformed into |
| * a ClassNotFoundException for the class being resolved. |
| * @author Peter Jones |
| * |
| * @build NoClassDefFoundErrorTrap |
| * @run main NoClassDefFoundErrorTrap |
| */ |
| |
| import java.io.*; |
| |
| public class NoClassDefFoundErrorTrap { |
| |
| private static NoClassDefFoundError ncdfe; |
| |
| public interface Bar {} |
| public static class Foo implements Bar, java.io.Serializable {} |
| |
| /** |
| * Test subclass of ObjectInputStream that overrides resolveClass |
| * to throw a NoClassDefFoundError if our test class "Foo" is to |
| * be resolved. |
| */ |
| public static class TestObjectInputStream extends ObjectInputStream { |
| |
| public TestObjectInputStream(InputStream in) |
| throws IOException |
| { |
| super(in); |
| } |
| |
| protected Class resolveClass(ObjectStreamClass desc) |
| throws IOException, ClassNotFoundException |
| { |
| String name = desc.getName(); |
| |
| if (name.equals(Foo.class.getName())) { |
| ncdfe = new NoClassDefFoundError("Bar"); |
| throw ncdfe; |
| } else { |
| return super.resolveClass(desc); |
| } |
| } |
| } |
| |
| public static void main(String[] args) { |
| |
| System.err.println("\nRegression test for bug 4205440\n"); |
| |
| try { |
| /* |
| * Serialize a Foo instance to a byte array. |
| */ |
| Foo foo = new Foo(); |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream(bout); |
| out.writeObject(foo); |
| byte[] stream = bout.toByteArray(); |
| |
| /* |
| * Deserialize the Foo instance using our test subclass of |
| * ObjectInputStream that will throw NoClassDefFoundError. |
| */ |
| ByteArrayInputStream bin = new ByteArrayInputStream(stream); |
| ObjectInputStream in = new TestObjectInputStream(bin); |
| |
| /* |
| * The test succeeds if we get the NoClassDefFoundError. |
| */ |
| try { |
| in.readObject(); |
| } catch (NoClassDefFoundError e) { |
| if (e == ncdfe) { |
| System.err.println("TEST PASSED: " + e.toString()); |
| } else { |
| throw e; |
| } |
| } |
| |
| } catch (Exception e) { |
| System.err.println("\nTEST FAILED:"); |
| e.printStackTrace(); |
| throw new RuntimeException("TEST FAILED: " + e.toString()); |
| } |
| } |
| } |