| /* |
| * Copyright (c) 2012, 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. |
| */ |
| |
| /* @test |
| * @bug 7160252 7197662 |
| * @summary Checks if events are delivered to a listener |
| * when a child node is added or removed |
| * @run main/othervm -Djava.util.prefs.userRoot=. AddNodeChangeListener |
| */ |
| |
| import java.util.prefs.*; |
| |
| public class AddNodeChangeListener { |
| |
| private static boolean failed = false; |
| private static Preferences userRoot, N2; |
| private static NodeChangeListenerAdd ncla; |
| |
| public static void main(String[] args) |
| throws BackingStoreException, InterruptedException |
| { |
| userRoot = Preferences.userRoot(); |
| ncla = new NodeChangeListenerAdd(); |
| userRoot.addNodeChangeListener(ncla); |
| //Should initiate a node added event |
| addNode(); |
| // Should not initiate a node added event |
| addNode(); |
| //Should initate a child removed event |
| removeNode(); |
| |
| if (failed) |
| throw new RuntimeException("Failed"); |
| } |
| |
| private static void addNode() |
| throws BackingStoreException, InterruptedException |
| { |
| N2 = userRoot.node("N2"); |
| userRoot.flush(); |
| Thread.sleep(3000); |
| if (ncla.getAddNumber() != 1) |
| failed = true; |
| } |
| |
| private static void removeNode() |
| throws BackingStoreException, InterruptedException |
| { |
| N2.removeNode(); |
| userRoot.flush(); |
| Thread.sleep(3000); |
| if (ncla.getAddNumber() != 0) |
| failed = true; |
| } |
| |
| private static class NodeChangeListenerAdd implements NodeChangeListener { |
| private int totalNode = 0; |
| |
| @Override |
| public void childAdded(NodeChangeEvent evt) { |
| totalNode++; |
| } |
| |
| @Override |
| public void childRemoved(NodeChangeEvent evt) { |
| totalNode--; |
| } |
| |
| public int getAddNumber(){ |
| return totalNode; |
| } |
| } |
| } |