| /* |
| * Copyright (c) 2017, 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.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import javax.accessibility.Accessible; |
| import javax.accessibility.AccessibleContext; |
| import javax.swing.AbstractListModel; |
| import javax.swing.JFrame; |
| import javax.swing.JList; |
| import javax.swing.SwingUtilities; |
| import javax.swing.WindowConstants; |
| |
| /* @test |
| @key headful |
| @bug 8076249 |
| @summary NPE in AccessBridge while editing JList model |
| @author Mikhail Cherkasov |
| @run main AccessibleJListChildNPETest |
| */ |
| public class AccessibleJListChildNPETest { |
| |
| private static String[] model = { "1", "2", "3", "4", "5", "6" }; |
| private static JList<String> list; |
| |
| public static void main(String[] args) throws InvocationTargetException, InterruptedException { |
| SwingUtilities.invokeAndWait(new Runnable() { |
| @Override |
| public void run() { |
| JFrame frame = new JFrame(); |
| frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); |
| final MyModel dataModel = new MyModel(Arrays.asList(model)); |
| list = new JList<>(dataModel); |
| frame.getContentPane().add(list); |
| frame.pack(); |
| frame.setVisible(true); |
| |
| } |
| }); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| @Override |
| public void run() { |
| AccessibleContext ac = list.getAccessibleContext(); |
| MyModel model = (MyModel)list.getModel(); |
| Accessible accessibleChild = ac.getAccessibleChild(model.getSize()-1); |
| model.removeFirst(); |
| accessibleChild.getAccessibleContext().getAccessibleSelection(); |
| accessibleChild.getAccessibleContext().getAccessibleText(); |
| accessibleChild.getAccessibleContext().getAccessibleValue(); |
| } |
| }); |
| } |
| |
| protected static class MyModel extends AbstractListModel<String> { |
| private List<String> items = new ArrayList<>(); |
| |
| MyModel(final List<String> newItems) { |
| super(); |
| items.addAll(newItems); |
| fireIntervalAdded(this, 0, getSize() - 1); |
| } |
| |
| void removeFirst() { |
| if(getSize() > 0) { |
| items.remove(0); |
| fireIntervalRemoved(this, 0, 0); |
| } |
| } |
| |
| @Override |
| public int getSize() { |
| return items.size(); |
| } |
| |
| @Override |
| public String getElementAt(int index) { |
| return items.get(index); |
| } |
| } |
| } |