115 lines
3.8 KiB
Java
115 lines
3.8 KiB
Java
/*
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* Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4205440
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* @summary When ObjectInputStream.inputClassDescriptor calls its protected
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* resolveClass, if a NoClassDefFoundError is thrown, that Error should be
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* propagated to the caller, instead of being trapped and transformed into
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* a ClassNotFoundException for the class being resolved.
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* @author Peter Jones
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*
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* @build NoClassDefFoundErrorTrap
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* @run main NoClassDefFoundErrorTrap
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*/
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import java.io.*;
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public class NoClassDefFoundErrorTrap {
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private static NoClassDefFoundError ncdfe;
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public interface Bar {}
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public static class Foo implements Bar, java.io.Serializable {
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private static final long serialVersionUID = 1L;
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}
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/**
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* Test subclass of ObjectInputStream that overrides resolveClass
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* to throw a NoClassDefFoundError if our test class "Foo" is to
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* be resolved.
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*/
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public static class TestObjectInputStream extends ObjectInputStream {
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public TestObjectInputStream(InputStream in)
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throws IOException
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{
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super(in);
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}
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protected Class<?> resolveClass(ObjectStreamClass desc)
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throws IOException, ClassNotFoundException
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{
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String name = desc.getName();
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if (name.equals(Foo.class.getName())) {
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ncdfe = new NoClassDefFoundError("Bar");
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throw ncdfe;
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} else {
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return super.resolveClass(desc);
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}
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}
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}
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public static void main(String[] args) {
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System.err.println("\nRegression test for bug 4205440\n");
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try {
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/*
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* Serialize a Foo instance to a byte array.
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*/
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Foo foo = new Foo();
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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ObjectOutputStream out = new ObjectOutputStream(bout);
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out.writeObject(foo);
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byte[] stream = bout.toByteArray();
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/*
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* Deserialize the Foo instance using our test subclass of
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* ObjectInputStream that will throw NoClassDefFoundError.
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*/
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ByteArrayInputStream bin = new ByteArrayInputStream(stream);
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ObjectInputStream in = new TestObjectInputStream(bin);
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/*
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* The test succeeds if we get the NoClassDefFoundError.
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*/
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try {
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in.readObject();
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} catch (NoClassDefFoundError e) {
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if (e == ncdfe) {
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System.err.println("TEST PASSED: " + e.toString());
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} else {
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throw e;
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}
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}
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} catch (Exception e) {
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System.err.println("\nTEST FAILED:");
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e.printStackTrace();
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throw new RuntimeException("TEST FAILED: " + e.toString());
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}
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}
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}
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