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1   /*
2    * Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.  Oracle designates this
8    * particular file as subject to the "Classpath" exception as provided
9    * by Oracle in the LICENSE file that accompanied this code.
10   *
11   * This code is distributed in the hope that it will be useful, but WITHOUT
12   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14   * version 2 for more details (a copy is included in the LICENSE file that
15   * accompanied this code).
16   *
17   * You should have received a copy of the GNU General Public License version
18   * 2 along with this work; if not, write to the Free Software Foundation,
19   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20   *
21   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22   * or visit www.oracle.com if you need additional information or have any
23   * questions.
24   */
25  
26  package javax.swing.plaf;
27  
28  import javax.swing.JOptionPane;
29  
30  /**
31   * Pluggable look and feel interface for JOptionPane.
32   *
33   * @author Scott Violet
34   */
35  
36  public abstract class OptionPaneUI extends ComponentUI
37  {
38      /**
39       * Requests the component representing the default value to have
40       * focus.
41       */
42      public abstract void selectInitialValue(JOptionPane op);
43  
44      /**
45       * Returns true if the user has supplied instances of Component for
46       * either the options or message.
47       */
48      public abstract boolean containsCustomComponents(JOptionPane op);
49  }