public RestoreDatabase(MainFrame parent,
    Database database) 
{
    super(parent, "Restore Database");
    setToolTip("Restore Database");
    setIcon("restore2.gif");
    this.database = database;
}

  void action() 
{
    JFileChooser dirChooser = new JFileChooser();
    dirChooser.setFileFilter(new RestoreDirectoryFileFilter());
    dirChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
    dirChooser.setCurrentDirectory(new File(database.getPath()));
    int returnVal = dirChooser.showDialog(parent, "Perform Restore");
    if (returnVal == JFileChooser.APPROVE_OPTION) {
      File backupDir = dirChooser.getSelectedFile();
      boolean success = true;
      try {
        database.restore(backupDir);
      } catch (FileNotFoundException exp) {
        success = false;
        String message =
          "Error: Restore Did Not Occur [" + exp.getMessage() + "]";
        JOptionPane.showMessageDialog(parent, message,
                                      "Restore Error",
                                      JOptionPane.ERROR_MESSAGE);
      } catch (IOException exp) {
        success = false;
        String message =
          "Error: Restore Did Not Occur [" + exp.getMessage() + "]";
        JOptionPane.showMessageDialog(parent, message,
                                      "Restore Error",
                                      JOptionPane.ERROR_MESSAGE);
      }
      if (success) {
        String message = "Restore successful from " + backupDir;
        JOptionPane.showMessageDialog(parent, message,
                                      "Restore Success",
                                      JOptionPane.INFORMATION_MESSAGE);
      }
    }
}