/* Uses an inner adapter class.
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Inner extends JFrame {
  private Button print = new Button("Print");
  private Button clear = new Button("Clear");
  private Label message = new Label("Message goes here");
  private InnerAdapter adapter = new InnerAdapter();

  Inner() {
    Container c = getContentPane();
    c.setLayout(new FlowLayout());
    c.add(message);
    c.add(print);
    c.add(clear);
    print.addActionListener(adapter);
    clear.addActionListener(adapter);
  }

  public class InnerAdapter implements ActionListener {
    public void actionPerformed(ActionEvent event) {
      Object source = event.getSource();
      if (source == print)
        message.setText(event.getActionCommand());
      else if (source == clear)
        message.setText("");
    }
  }

  public static void main(String[] args) {
    Inner frame = new Inner();
    frame.setTitle("Inner Adapter");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(300, 100);
    frame.setVisible(true);
  }
}