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package org.kde.kjas.server;
import java.applet.*;
import java.net.*;
import java.util.*;
/**
* Background Audioclip Loader and Player.
* @author Till Krech (till@snafu.de)
*/
public class KJASAudioClip implements AudioClip
{
private AudioClip theClip;
private final static int PLAYING = 1;
private final static int LOOPING = 2;
private final static int STOPPED = 3;
private int state;
private static Hashtable cache = new Hashtable();
/**
* creates a new Audioclip.
* The AudioClip is loaded in background. The Constructor returns immediately.
*/
public KJASAudioClip(URL url)
{
state = STOPPED;
theClip = (AudioClip)cache.get(url);
if (theClip == null) {
final URL theUrl = url;
new Thread
(
new Runnable() {
public void run() {
theClip = java.applet.Applet.newAudioClip(theUrl);
cache.put(theUrl, theClip);
if (state == LOOPING) {
theClip.loop();
} else if (state == PLAYING) {
theClip.play();
}
}
}, "AudioClipLoader " + url.getFile()
).start();
}
}
/**
* play continously when the clip is loaded
*/
public void loop()
{
state = LOOPING;
if (theClip != null) {
new Thread
(
new Runnable() {
public void run() {
theClip.loop();
}
}, "AudioClipLooper "
).start();
}
}
/**
* play when the clip is loaded
*/
public void play()
{
state = PLAYING;
if (theClip != null) {
new Thread
(
new Runnable() {
public void run() {
theClip.play();
}
}, "AudioClipPlayer "
).start();
}
}
/**
* stop the clip
*/
public void stop()
{
state = STOPPED;
if (theClip != null) {
theClip.stop();
}
}
public void finalize() {
stop();
}
}
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