| /* |
| * Copyright (c) 1998, 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 { |
| } |
| } |