commit: PlaySoundSnippet

[aniruddhamitra]

/**

• PlaySoundSnippet.

• Plays a sound file using the Java Sound API. No external libraries are used.

• This method blocks until playback completes.

• Common supported formats are WAV, AIFF and AU; actual supported formats depend on the

• runtime JVM/platform.
  */
  public class PlaySoundSnippet {

/**

• Play a sound file and block until playback finishes.

• @param filename path to the audio file

• @throws IOException if an I/O error occurs

• @throws UnsupportedAudioFileException if the audio file format is not supported

• @throws LineUnavailableException if a clip line cannot be opened

• @throws InterruptedException if the thread is interrupted while waiting for playback
  */
  public static void playSound(String filename)
  throws IOException,
  UnsupportedAudioFileException,
  LineUnavailableException,
  InterruptedException {
  var file = new File(filename);
  try (AudioInputStream audioIn = AudioSystem.getAudioInputStream(file)) {
  Clip clip = AudioSystem.getClip();
  clip.open(audioIn);

  final Object lock = new Object();
  final boolean[] finished = {false};

  clip.addLineListener((LineEvent event) -> {
  if (event.getType() == LineEvent.Type.STOP) {
  synchronized (lock) {
  finished[0] = true;
  lock.notifyAll();
  }
  }
  });

  clip.start();

  synchronized (lock) {
  while (!finished[0]) {
  lock.wait();
  }
  }

  clip.close();
  }
  }
  }

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