J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | import java.io.*; |
| 25 | /* |
| 26 | * @test |
| 27 | * @bug 4135031 |
| 28 | * @summary Test boostrap problem when a URLStreamHandlerFactory is loaded |
| 29 | * by the application class loader. |
| 30 | * |
| 31 | */ |
| 32 | import java.net.*; |
| 33 | |
| 34 | public class HandlerLoop { |
| 35 | |
| 36 | public static void main(String args[]) throws Exception { |
| 37 | URL.setURLStreamHandlerFactory( |
| 38 | new HandlerFactory("sun.net.www.protocol")); |
| 39 | URL url = new URL("file://bogus/index.html"); |
| 40 | System.out.println("url = " + url); |
| 41 | url.openConnection(); |
| 42 | } |
| 43 | |
| 44 | private static class HandlerFactory implements URLStreamHandlerFactory { |
| 45 | private String pkg; |
| 46 | |
| 47 | HandlerFactory(String pkg) { |
| 48 | this.pkg = pkg; |
| 49 | } |
| 50 | |
| 51 | public URLStreamHandler createURLStreamHandler(String protocol) { |
| 52 | String name = pkg + "." + protocol + ".Handler"; |
| 53 | System.out.println("Loading handler class: " + name); |
| 54 | // Loading this dummy class demonstrates the bootstrap |
| 55 | // problem as the stream handler factory will be reentered |
| 56 | // over and over again if the application class loader |
| 57 | // shares the same stream handler factory. |
| 58 | new Dummy(); |
| 59 | try { |
| 60 | Class c = Class.forName(name); |
| 61 | return (URLStreamHandler)c.newInstance(); |
| 62 | } catch (ClassNotFoundException e) { |
| 63 | e.printStackTrace(); |
| 64 | } catch (IllegalAccessException e) { |
| 65 | e.printStackTrace(); |
| 66 | } catch (InstantiationException e) { |
| 67 | e.printStackTrace(); |
| 68 | } |
| 69 | return null; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | private static class Dummy { |
| 74 | } |
| 75 | } |