Mega Code Archive
Demonstrates anonymous classes
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/*
* file: InnerClassDemo.java
* package: oreilly.hcj.nested
*
* This software is granted under the terms of the Common Public License,
* CPL, which may be found at the following URL:
* http://www-124.ibm.com/developerworks/oss/CPLv1.0.htm
*
* Copyright(c) 2003-2005 by the authors indicated in the @author tags.
* All Rights are Reserved by the various authors.
*
########## DO NOT EDIT ABOVE THIS LINE ########## */
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
/**
* Demonstrates anonymous classes.
*
* @author <a href=mailto:kraythe@arcor.de>Robert Simmons jr. (kraythe)</a>
* @version $Revision: 1.3 $
*/
public class InnerClassDemo extends JDialog {
/** Holds the logo image */
private static final ImageIcon LOGO;
/** Holds the location of the logo image. */
private static final String LOGO_LOCATION = "sojm/nested/oreilly_header3.gif";
static {
LOGO = new ImageIcon(ClassLoader.getSystemClassLoader().getResource(LOGO_LOCATION));
}
/** Holds a reference to the content pane. */
private final Container contentPane;
/** holds a demo variable. */
private int beepCount = 1;
/**
* Creates a new AnonymousDemo object.
*
* @param beepCount
* THe number of times to beep when the button is pressed.
*/
public InnerClassDemo(final int beepCount) {
super();
setTitle("Anonymous Demo");
contentPane = getContentPane();
contentPane.setLayout(new BorderLayout());
JLabel logoLabel = new JLabel(LOGO);
contentPane.add(BorderLayout.NORTH, logoLabel);
JButton btn = new BeepButton("Beep");
contentPane.add(BorderLayout.SOUTH, btn);
pack();
this.beepCount = beepCount;
}
/**
* Setter for the property demo.
*
* @param beepCount
* The new value for demo.
*/
public void setBeepCount(final int beepCount) {
this.beepCount = beepCount;
}
/**
* Getter for the property demo.
*
* @return The current value of demo.
*/
public int getBeepCount() {
return beepCount;
}
/**
* Run the demo
*
* @param args
* Command Line Arguments.
*/
public static final void main(final String[] args) {
InnerClassDemo demo = new InnerClassDemo(4);
demo.show();
System.out.println("Done");
}
/**
* An inner class to implement an action listener.
*
* @author <a href=mailto:kraythe@arcor.de>Robert Simmons jr. (kraythe)</a>
* @version $Revision: 1.3 $
*/
private class BeepButton extends JButton implements ActionListener {
/**
* Creates a new BeepButton object.
*
* @param text
* The text to use for the beep button.
*/
public BeepButton(final String text) {
super(text);
addActionListener(this);
}
/**
* @see java.awt.event.ActionListener
*/
public void actionPerformed(final ActionEvent event) {
try {
for (int count = 0; count < beepCount; count++) {
Toolkit.getDefaultToolkit().beep();
Thread.sleep(100); // wait for the old beep to finish.
}
} catch (final InterruptedException ex) {
throw new RuntimeException(ex);
}
}
}
}
/* ########## End of File ########## */
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