/*

 * 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.lang.reflect.InvocationTargetException;

import java.net.URL;

import java.net.URLStreamHandler;

import java.net.URLStreamHandlerFactory;

/*

 * @test

 * @bug 4135031

 * @summary Test bootstrap problem when a URLStreamHandlerFactory is loaded

 *          by the application class loader.

 * @modules java.base/sun.net.www.protocol.file

 */

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.getDeclaredConstructor().newInstance();

            } catch (ClassNotFoundException |

                    IllegalAccessException |

                    InstantiationException |

                    NoSuchMethodException |

                    InvocationTargetException e) {

                e.printStackTrace();

            }

            return null;

        }

    }

    private static class Dummy {

    }

}