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/*
* Copyright (c) 1998, 2013, 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.
*/
import java.io.*;
/*
* @test
* @bug 4135031
* @summary Test boostrap problem when a URLStreamHandlerFactory is loaded
* by the application class loader.
*
*/
import java.net.*;
public class HandlerLoop {
public static void main(String args[]) throws Exception {
URL.setURLStreamHandlerFactory(
new HandlerFactory("sun.net.www.protocol"));
URL url = new URL("file:///bogus/index.html");
System.out.println("url = " + url);
url.openConnection();
}
private static class HandlerFactory implements URLStreamHandlerFactory {
private String pkg;
HandlerFactory(String pkg) {
this.pkg = pkg;
}
public URLStreamHandler createURLStreamHandler(String protocol) {
String name = pkg + "." + protocol + ".Handler";
System.out.println("Loading handler class: " + name);
// Loading this dummy class demonstrates the bootstrap
// problem as the stream handler factory will be reentered
// over and over again if the application class loader
// shares the same stream handler factory.
new Dummy();
try {
Class c = Class.forName(name);
return (URLStreamHandler)c.newInstance();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
}
return null;
}
}
private static class Dummy {
}
}
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