|
Java example source code file (PartialClassDesc.java)
The PartialClassDesc.java Java example source code/* * Copyright (c) 2000, 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 4373844 * @summary Verify that partially initialized ObjectStreamClass instances * cannot be obtained from ObjectStreamClass.lookup() in the event * that the target class is uninitializable. */ import java.io.*; class A implements Serializable { // existence of SVUID forces class initialization during classdesc init private static final long serialVersionUID = 0L; static { if ("foo".equals("foo")) { // force class initialization failure throw new Error(); } } } public class PartialClassDesc { public static void main(String[] args) throws Exception { Class cl = Class.forName( "A", false, PartialClassDesc.class.getClassLoader()); ObjectStreamClass desc = null; try { desc = ObjectStreamClass.lookup(cl); } catch (Throwable th) { } try { desc = ObjectStreamClass.lookup(cl); } catch (Throwable th) { } if (desc != null) { throw new Error("should not be able to obtain class descriptor"); } } } Other Java examples (source code examples)Here is a short list of links related to this Java PartialClassDesc.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.