| /* |
| * Copyright (c) 2009, 2011, 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. |
| */ |
| |
| /* |
| * @bug 6829503 |
| * @summary 1) Test Console and DeleteOnExitHook can be initialized |
| * while shutdown is in progress |
| * 2) Test if files that are added by the application shutdown |
| * hook are deleted on exit during shutdown |
| */ |
| import java.io.*; |
| public class ShutdownHooks { |
| private static File file; |
| public static void main(String[] args) throws Exception { |
| if (args.length != 2) { |
| throw new IllegalArgumentException("Usage: ShutdownHooks <dir> <filename>"); |
| } |
| |
| // Add a shutdown hook |
| Runtime.getRuntime().addShutdownHook(new Cleaner()); |
| |
| File dir = new File(args[0]); |
| file = new File(dir, args[1]); |
| // write to file |
| System.out.println("writing to "+ file); |
| try (PrintWriter pw = new PrintWriter(file)) { |
| pw.println("Shutdown begins"); |
| } |
| } |
| |
| public static class Cleaner extends Thread { |
| public void run() { |
| // register the Console's shutdown hook while the application |
| // shutdown hook is running |
| Console cons = System.console(); |
| // register the DeleteOnExitHook while the application |
| // shutdown hook is running |
| file.deleteOnExit(); |
| try (PrintWriter pw = new PrintWriter(file)) { |
| pw.println("file is being deleted"); |
| } catch (FileNotFoundException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| } |