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