openjdk源码
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/*
* Copyright (c) 2006, 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 6827999
* @run main/othervm B6827999
* @summary Fix for 6827999
*/
import java.net.*;
import java.io.*;
/**
*/
public class B6827999
{
public static void main(String[] args) throws Exception {
URL[] urls = new URL[] {new URL("http://foobar.jar") };
MyURLClassLoader ucl = new MyURLClassLoader(urls);
ucl.addURL(new URL("http://foo/bar.jar"));
urls = ucl.getURLs();
if (urls.length != 2)
throw new RuntimeException("Failed:(1)");
ucl.close();
ucl.addURL(new URL("http://foo.bar/bar.jar"));
if (ucl.getURLs().length != 2) {
throw new RuntimeException("Failed:(2)");
}
}
static class MyURLClassLoader extends URLClassLoader {
public MyURLClassLoader(URL[] urls) {
super(urls);
}
public void addURL(URL url) {
super.addURL(url);
}
}
}