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      1 /*
      2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
      3  *             of Java bytecode.
      4  *
      5  * Copyright (c) 2002-2009 Eric Lafortune (eric (at) 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.awt.*;
     25 import java.lang.reflect.InvocationTargetException;
     26 
     27 
     28 /**
     29  * This <code>Runnable</code> can show a message dialog.
     30  *
     31  * @author Eric Lafortune
     32  */
     33 final class MessageDialogRunnable implements Runnable
     34 {
     35     private final Component parentComponent;
     36     private final Object    message;
     37     private final String    title;
     38     private final int       messageType;
     39 
     40 
     41     /**
     42      * Creates a new MessageDialogRunnable object.
     43      * @see JOptionPane#showMessageDialog(Component, Object, String, int)
     44      */
     45     public static void showMessageDialog(Component parentComponent,
     46                                          Object    message,
     47                                          String    title,
     48                                          int       messageType)
     49     {
     50         try
     51         {
     52             SwingUtil.invokeAndWait(new MessageDialogRunnable(parentComponent,
     53                                                               message,
     54                                                               title,
     55                                                               messageType));
     56         }
     57         catch (Exception e)
     58         {
     59             // Nothing.
     60         }
     61     }
     62 
     63 
     64     /**
     65      * Creates a new MessageDialogRunnable object.
     66      * @see JOptionPane#showMessageDialog(Component, Object, String, int)
     67      */
     68     public MessageDialogRunnable(Component parentComponent,
     69                                  Object    message,
     70                                  String    title,
     71                                  int       messageType)
     72     {
     73         this.parentComponent = parentComponent;
     74         this.message         = message;
     75         this.title           = title;
     76         this.messageType     = messageType;
     77     }
     78 
     79 
     80 
     81     // Implementation for Runnable.
     82 
     83     public void run()
     84     {
     85         JOptionPane.showMessageDialog(parentComponent,
     86                                       message,
     87                                       title,
     88                                       messageType);
     89     }
     90 }
     91