SoundExample

import java.applet.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class SoundExample extends Applet
implements ActionListener {
SoundList soundList;
String onceFile = "bark.au";
String loopFile = "train.au";
AudioClip onceClip;
AudioClip loopClip;

Button playOnce;
Button startLoop;
Button stopLoop;
Button reload;

boolean looping = false;

public void init() {
playOnce = new Button("Bark!");
playOnce.addActionListener(this);
add(playOnce);

startLoop = new Button("Start sound loop");
stopLoop = new Button("Stop sound loop");
stopLoop.setEnabled(false);
startLoop.addActionListener(this);
add(startLoop);
stopLoop.addActionListener(this);
add(stopLoop);

reload = new Button("Reload sounds");
reload.addActionListener(this);
add(reload);

startLoadingSounds();
}

void startLoadingSounds() {

soundList = new SoundList(this, getCodeBase());
soundList.startLoading(loopFile);
soundList.startLoading(onceFile);
}

public void stop() {
onceClip.stop();
if (looping) {
loopClip.stop();
}
}

public void start() {
if (looping) {
loopClip.loop();
}
}

public void actionPerformed(ActionEvent event) {
//PLAY BUTTON
Object source = event.getSource();
if (source == playOnce) {
if (onceClip == null) {
//Try to get the AudioClip.
onceClip = soundList.getClip(onceFile);
}

if (onceClip != null) { //If the sound is loaded:
onceClip.play(); //Play it once.
showStatus("Playing sound :" + onceFile + ".");
} else {
showStatus("Sound :" + onceFile + " not loaded yet.");
}
return;
}

//START LOOP BUTTON
if (source == startLoop) {
if (loopClip == null) {
//Try to get the AudioClip.
loopClip = soundList.getClip(loopFile);
}

if (loopClip != null) { //If the sound is loaded:
looping = true;
loopClip.loop(); //Start the sound loop.
stopLoop.setEnabled(true); //Enable stop button.
startLoop.setEnabled(false); //Disable start button.
showStatus("Playing sound :" + loopFile + " continuously.");
} else {
showStatus("Sound :" + loopFile + " not loaded yet.");
}
return;
}

//STOP LOOP BUTTON
if (source == stopLoop) {
if (looping) {
looping = false;
loopClip.stop(); //Stop the sound loop.
startLoop.setEnabled(true); //Enable start button.
stopLoop.setEnabled(false); //Disable stop button.
}
showStatus("Stopped playing sound :" + loopFile + ".");
return;
}


if (source == reload) {

if (looping) {
looping = false;
loopClip.stop();

startLoop.setEnabled(true);

stopLoop.setEnabled(false);
}

loopClip = null;
onceClip = null;
startLoadingSounds();
showStatus("Reloading all sounds.");
return;
}
}
}