下面列出了怎么用javax.sound.sampled.LineEvent的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* This method sets the open state and generates
* events if it changes.
*/
final void setOpen(boolean open) {
if (Printer.trace) Printer.trace("> "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
if (this.open != open) {
this.open = open;
sendEvents = true;
}
}
if (sendEvents) {
if (open) {
sendEvents(new LineEvent(this, LineEvent.Type.OPEN, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.CLOSE, position));
}
}
if (Printer.trace) Printer.trace("< "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
}
/**
* This method sets the open state and generates
* events if it changes.
*/
final void setOpen(boolean open) {
if (Printer.trace) Printer.trace("> "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
if (this.open != open) {
this.open = open;
sendEvents = true;
}
}
if (sendEvents) {
if (open) {
sendEvents(new LineEvent(this, LineEvent.Type.OPEN, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.CLOSE, position));
}
}
if (Printer.trace) Printer.trace("< "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
}
/**
* This method sets the open state and generates
* events if it changes.
*/
final void setOpen(boolean open) {
if (Printer.trace) Printer.trace("> "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
if (this.open != open) {
this.open = open;
sendEvents = true;
}
}
if (sendEvents) {
if (open) {
sendEvents(new LineEvent(this, LineEvent.Type.OPEN, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.CLOSE, position));
}
}
if (Printer.trace) Printer.trace("< "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
}
/**
* Plays a sound from a file.
*
* @param filename Path to the sound file
*/
public static void playSound(String filename) {
URL resource = ClassLoader.getSystemClassLoader().getResource(filename);
try {
final Clip clip = (Clip) AudioSystem.getLine(new Line.Info(Clip.class));
clip.addLineListener(event -> {
if (event.getType() == LineEvent.Type.STOP) {
clip.close();
}
});
clip.open(AudioSystem.getAudioInputStream(resource));
clip.start();
} catch (Exception e) {
LOGGER.error("Failed to play sound " + filename, e);
}
}
/**
* This method sets the started state and generates
* events if it changes.
*/
final void setStarted(boolean started) {
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
if (this.started != started) {
this.started = started;
sendEvents = true;
}
}
if (sendEvents) {
if (started) {
sendEvents(new LineEvent(this, LineEvent.Type.START, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.STOP, position));
}
}
}
private void playSirenSound() {
try {
File soundFile = new File(sirenFile);
AudioInputStream soundIn = AudioSystem.getAudioInputStream(soundFile);
AudioFormat format = soundIn.getFormat();
DataLine.Info info = new DataLine.Info(Clip.class, format);
clip = (Clip) AudioSystem.getLine(info);
clip.addLineListener(new LineListener() {
@Override
public void update(LineEvent event) {
if (event.getType() == LineEvent.Type.STOP) {
soundOn = false;
}
}
});
clip.open(soundIn);
clip.start();
soundOn = true;
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* This method sets the open state and generates
* events if it changes.
*/
final void setOpen(boolean open) {
if (Printer.trace) Printer.trace("> "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
if (this.open != open) {
this.open = open;
sendEvents = true;
}
}
if (sendEvents) {
if (open) {
sendEvents(new LineEvent(this, LineEvent.Type.OPEN, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.CLOSE, position));
}
}
if (Printer.trace) Printer.trace("< "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
}
private static void test(final AudioFormat format, final byte[] data)
throws Exception {
final Line.Info info = new DataLine.Info(Clip.class, format);
final Clip clip = (Clip) AudioSystem.getLine(info);
go = new CountDownLatch(1);
clip.addLineListener(event -> {
if (event.getType().equals(LineEvent.Type.START)) {
go.countDown();
}
});
clip.open(format, data, 0, data.length);
clip.start();
go.await();
while (clip.isRunning()) {
// This loop should not hang
}
while (clip.isActive()) {
// This loop should not hang
}
clip.close();
}
public void update(LineEvent e) {
if (e.getType() == LineEvent.Type.STOP) {
stopOccured++;
out(" Test program: receives STOP event for clip="+clip.toString()+" no."+stopOccured);
out(" Test program: Calling close() in event dispatcher thread");
clip.close();
synchronized (lock) {
lock.notifyAll();
}
}
else if (e.getType() == LineEvent.Type.CLOSE) {
out(" Test program: receives CLOSE event for "+clip.toString());
synchronized (lock) {
lock.notifyAll();
}
}
else if (e.getType() == LineEvent.Type.START) {
out(" Test program: receives START event for "+clip.toString());
}
else if (e.getType() == LineEvent.Type.OPEN) {
out(" Test program: receives OPEN event for "+clip.toString());
}
}
/**
* This method sets the open state and generates
* events if it changes.
*/
final void setOpen(boolean open) {
if (Printer.trace) Printer.trace("> "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
if (this.open != open) {
this.open = open;
sendEvents = true;
}
}
if (sendEvents) {
if (open) {
sendEvents(new LineEvent(this, LineEvent.Type.OPEN, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.CLOSE, position));
}
}
if (Printer.trace) Printer.trace("< "+getClass().getName()+" (AbstractLine): setOpen(" + open + ") this.open: " + this.open);
}
/**
* This method sets the started state and generates
* events if it changes.
*/
final void setStarted(boolean started) {
if (Printer.trace) Printer.trace("> AbstractDataLine: setStarted(" + started + ")");
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
//if (Printer.debug) Printer.debug(" AbstractDataLine: setStarted: this.started: " + this.started);
//if (Printer.debug) Printer.debug(" started: " + started);
if (this.started != started) {
this.started = started;
sendEvents = true;
}
}
//if (Printer.debug) Printer.debug(" this.started: " + this.started);
//if (Printer.debug) Printer.debug(" sendEvents: " + sendEvents);
if (sendEvents) {
if (started) {
sendEvents(new LineEvent(this, LineEvent.Type.START, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.STOP, position));
}
}
if (Printer.trace) Printer.trace("< AbstractDataLine: setStarted completed");
}
final void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
private void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
public void update(LineEvent event) {
// �X�g�b�v���Ō�܂ōĐ����ꂽ�ꍇ
if (event.getType() == LineEvent.Type.STOP) {
Clip clip = (Clip) event.getSource();
clip.stop();
clip.setFramePosition(0); // �Đ��ʒu���ŏ��ɖ߂�
}
}
final void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
private void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
/**
* This method sets the started state and generates
* events if it changes.
*/
final void setStarted(boolean started) {
if (Printer.trace) Printer.trace("> AbstractDataLine: setStarted(" + started + ")");
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
//if (Printer.debug) Printer.debug(" AbstractDataLine: setStarted: this.started: " + this.started);
//if (Printer.debug) Printer.debug(" started: " + started);
if (this.started != started) {
this.started = started;
sendEvents = true;
}
}
//if (Printer.debug) Printer.debug(" this.started: " + this.started);
//if (Printer.debug) Printer.debug(" sendEvents: " + sendEvents);
if (sendEvents) {
if (started) {
sendEvents(new LineEvent(this, LineEvent.Type.START, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.STOP, position));
}
}
if (Printer.trace) Printer.trace("< AbstractDataLine: setStarted completed");
}
final void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
private void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
public static void playSoundFile(String key) {
try {
if (!mudclient.optionSoundDisabled) {
File sound = mudclient.soundCache.get(key + ".wav");
if (sound == null)
return;
try {
// PC sound code:
final Clip clip = AudioSystem.getClip();
clip.addLineListener(myLineEvent -> {
if (myLineEvent.getType() == LineEvent.Type.STOP)
clip.close();
});
clip.open(AudioSystem.getAudioInputStream(sound));
clip.start();
// Android sound code:
//int dataLength = DataOperations.getDataFileLength(key + ".pcm", soundData);
//int offset = DataOperations.getDataFileOffset(key + ".pcm", soundData);
//clientPort.playSound(soundData, offset, dataLength);
} catch (Exception ex) {
ex.printStackTrace();
}
}
} catch (RuntimeException var6) {
throw GenUtil.makeThrowable(var6, "client.SC(" + "dummy" + ',' + (key != null ? "{...}" : "null") + ')');
}
}
/**
* {@inheritDoc}
*/
public void update(final LineEvent e) {
if (e.getType() == LineEvent.Type.STOP) {
notifySoundStopped();
}
}
/**
* This method sets the started state and generates
* events if it changes.
*/
final void setStarted(boolean started) {
if (Printer.trace) Printer.trace("> AbstractDataLine: setStarted(" + started + ")");
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
//if (Printer.debug) Printer.debug(" AbstractDataLine: setStarted: this.started: " + this.started);
//if (Printer.debug) Printer.debug(" started: " + started);
if (this.started != started) {
this.started = started;
sendEvents = true;
}
}
//if (Printer.debug) Printer.debug(" this.started: " + this.started);
//if (Printer.debug) Printer.debug(" sendEvents: " + sendEvents);
if (sendEvents) {
if (started) {
sendEvents(new LineEvent(this, LineEvent.Type.START, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.STOP, position));
}
}
if (Printer.trace) Printer.trace("< AbstractDataLine: setStarted completed");
}
final void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
public static void play(InputStream in)
{
try
{
AudioInputStream stream = AudioSystem.getAudioInputStream(in);
AudioFormat format = stream.getFormat();
DataLine.Info info = new DataLine.Info(Clip.class, format);
final Clip clip = (Clip)AudioSystem.getLine(info);
clip.addLineListener(new LineListener()
{
public void update(LineEvent ev)
{
LineEvent.Type t = ev.getType();
if(t == LineEvent.Type.STOP)
{
clip.close();
}
}
});
clip.open(stream);
clip.start();
}
catch(Exception e)
{
Log.err(e);
}
}
/**
* {@inheritDoc}
*/
@Override
public void update(final LineEvent event) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("line updated: " + event.getType());
}
if ((event.getType() == LineEvent.Type.CLOSE)
|| (event.getType() == LineEvent.Type.STOP)) {
sem.release();
}
}
@Override
public void update(LineEvent event) {
LineEvent.Type type = event.getType();
if (type == LineEvent.Type.STOP) {
clip.close();
}
}
/**
* This method sets the started state and generates
* events if it changes.
*/
final void setStarted(boolean started) {
if (Printer.trace) Printer.trace("> AbstractDataLine: setStarted(" + started + ")");
boolean sendEvents = false;
long position = getLongFramePosition();
synchronized (this) {
//if (Printer.debug) Printer.debug(" AbstractDataLine: setStarted: this.started: " + this.started);
//if (Printer.debug) Printer.debug(" started: " + started);
if (this.started != started) {
this.started = started;
sendEvents = true;
}
}
//if (Printer.debug) Printer.debug(" this.started: " + this.started);
//if (Printer.debug) Printer.debug(" sendEvents: " + sendEvents);
if (sendEvents) {
if (started) {
sendEvents(new LineEvent(this, LineEvent.Type.START, position));
} else {
sendEvents(new LineEvent(this, LineEvent.Type.STOP, position));
}
}
if (Printer.trace) Printer.trace("< AbstractDataLine: setStarted completed");
}
final void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
final void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}
private void sendEvent(LineEvent event) {
if (listeners.size() == 0)
return;
LineListener[] listener_array = listeners
.toArray(new LineListener[listeners.size()]);
for (LineListener listener : listener_array) {
listener.update(event);
}
}