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1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  *             of Java bytecode.
4  *
5  * Copyright (c) 2002-2014 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 import java.lang.reflect.InvocationTargetException;
25 
26 
27 /**
28  * This utility class provides variants of the invocation method from the
29  * <code>SwingUtilities</code> class.
30  *
31  * @see SwingUtilities
32  * @author Eric Lafortune
33  */
34 public class SwingUtil
35 {
36     /**
37      * Invokes the given Runnable in the AWT event dispatching thread,
38      * and waits for it to finish. This method may be called from any thread,
39      * including the event dispatching thread itself.
40      * @see SwingUtilities#invokeAndWait(Runnable)
41      * @param runnable the Runnable to be executed.
42      */
invokeAndWait(Runnable runnable)43     public static void invokeAndWait(Runnable runnable)
44     throws InterruptedException, InvocationTargetException
45     {
46         try
47         {
48             if (SwingUtilities.isEventDispatchThread())
49             {
50                 runnable.run();
51             }
52             else
53             {
54                 SwingUtilities.invokeAndWait(runnable);
55             }
56         }
57         catch (Exception ex)
58         {
59             // Ignore any exceptions.
60         }
61     }
62 
63 
64     /**
65      * Invokes the given Runnable in the AWT event dispatching thread, not
66      * necessarily right away. This method may be called from any thread,
67      * including the event dispatching thread itself.
68      * @see SwingUtilities#invokeLater(Runnable)
69      * @param runnable the Runnable to be executed.
70      */
invokeLater(Runnable runnable)71     public static void invokeLater(Runnable runnable)
72     {
73         if (SwingUtilities.isEventDispatchThread())
74         {
75             runnable.run();
76         }
77         else
78         {
79             SwingUtilities.invokeLater(runnable);
80         }
81     }
82 }
83