2 * Sun Public License Notice
4 * The contents of this file are subject to the Sun Public License
5 * Version 1.0 (the "License"). You may not use this file except in
6 * compliance with the License. A copy of the License is available at
9 * The Original Code is NetBeans. The Initial Developer of the Original
10 * Code is Jaroslav Tulach. Portions Copyright 2007 Jaroslav Tulach.
11 * All Rights Reserved.
17 import javax.swing.event.ChangeListener;
21 * @author Jaroslav Tulach
23 // BEGIN: design.less.friend.Accessor
24 public abstract class Accessor {
25 private static volatile Accessor DEFAULT;
26 public static Accessor getDefault() {
34 Item.class.getName(), true, Item.class.getClassLoader()
36 } catch (Exception ex) {
43 public static void setDefault(Accessor accessor) {
44 if (DEFAULT != null) {
45 throw new IllegalStateException();
53 protected abstract Item newItem();
54 protected abstract void addChangeListener(Item item, ChangeListener l);
56 // END: design.less.friend.Accessor