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Java > Open Source Codes > proguard > gui > SwingUtil


1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  * of Java bytecode.
4  *
5  * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  * This program is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15  * more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 package proguard.gui;
22
23 import javax.swing.*;
24
25
26 /**
27  * This utility class provides variants of the invocation method from the
28  * <code>SwingUtilities</code> class.
29  *
30  * @see SwingUtilities
31  * @author Eric Lafortune
32  */
33 class SwingUtil
34 {
35     /**
36      * Invokes the given Runnable in the AWT event dispatching thread,
37      * and waits for it to finish. This method may be called from any thread,
38      * including the event dispatching thread itself.
39      * @see SwingUtilities#invokeAndWait(java.lang.Runnable)
40      * @param runnable the Runnable to be executed.
41      */
42     public static void invokeAndWait(Runnable JavaDoc runnable)
43     {
44         try
45         {
46             if (SwingUtilities.isEventDispatchThread())
47             {
48                 runnable.run();
49             }
50             else
51             {
52                 SwingUtilities.invokeAndWait(runnable);
53             }
54         }
55         catch (Exception JavaDoc ex)
56         {
57             // Ignore any exceptions.
58 }
59     }
60
61
62     /**
63      * Invokes the given Runnable in the AWT event dispatching thread, not
64      * necessarily right away. This method may be called from any thread,
65      * including the event dispatching thread itself.
66      * @see SwingUtilities#invokeLater(java.lang.Runnable)
67      * @param runnable the Runnable to be executed.
68      */
69     public static void invokeLater(Runnable JavaDoc runnable)
70     {
71         if (SwingUtilities.isEventDispatchThread())
72         {
73             runnable.run();
74         }
75         else
76         {
77             SwingUtilities.invokeLater(runnable);
78         }
79     }
80 }
81
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