SwingUtil.java revision b9cc48a43ed984587c939d02fba5316bf5c0df6e 
1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 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 */
21package proguard.gui;
22
23import javax.swing.*;
24import 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 */
34public 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     */
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     */
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