RobustAction


1   package org.prevayler.demos.demo2.gui;
2   
3   import javax.swing.*;
4   import java.awt.event.ActionEvent  ;
5   
6   abstract class RobustAction extends AbstractAction {
7           
8       RobustAction(String   name) {
9           super(name);
10      }
11  
12      public void actionPerformed(ActionEvent   e) {
13          try {
14              action();
15          } catch (Exception   exception) {
16              display(exception);
17          }
18      }
19          
20      protected abstract void action() throws Exception  ;
21      
22      static void display(Exception   exception) {
23          JOptionPane.showMessageDialog(null, exception.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
24      }
25  }
26

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