Sound (audio file) player in java - working source code example

 import java.io.File;

 import java.io.IOException;

 import javax.sound.sampled.AudioFormat;

 import javax.sound.sampled.AudioInputStream;

 import javax.sound.sampled.AudioSystem;

 import javax.sound.sampled.DataLine;

 import javax.sound.sampled.LineUnavailableException;

 import javax.sound.sampled.SourceDataLine;

 import javax.sound.sampled.UnsupportedAudioFileException;

 public class Player implements Runnable {

      static final int BUF_SIZE = 16384;

      private AudioInputStream audioInputStream;

      private AudioFormat format;

      SourceDataLine line;

      Thread thread;

      public Player(AudioInputStream audioInputStream) {

           this.audioInputStream = audioInputStream;

           format = audioInputStream.getFormat();

      }

      public Player(File wavFile) throws UnsupportedAudioFileException, IOException {

           this.audioInputStream = AudioSystem.getAudioInputStream(wavFile);

           format = audioInputStream.getFormat();

      }

      public void start() {

           thread = new Thread(this);

           thread.setName("Playback");

           thread.start();

      }

      public void stop() {

           thread = null;

      }

      private void shutDown(final String message) {

           if (thread != null) {

                thread = null;

           }

           System.out.println(message);

      }

      @Override

      public void run() {

           // make sure we have something to play

           if (audioInputStream == null) {

                shutDown("No loaded audio to play back");

                return;

           }

           // get an AudioInputStream of the desired format for playback

           final AudioInputStream playbackInputStream = AudioSystem.getAudioInputStream(format, audioInputStream);

           if (playbackInputStream == null) {

                shutDown("Unable to convert stream of format " + audioInputStream + " to format " + format);

                return;

           }

           line = getSourceDataLineForPlayback();

           // play back the captured audio data

           final int frameSizeInBytes = format.getFrameSize();

           final int bufferLengthInFrames = line.getBufferSize() / 8;

           final int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;

           final byte[] audioBuffer = new byte[bufferLengthInBytes];

           int numBytesRead = 0;

           // start the source data line

           line.start();

           while (thread != null) {

                try {

                     if ((numBytesRead = playbackInputStream.read(audioBuffer)) == -1) {

                          break;

                     }

                     int numBytesRemaining = numBytesRead;

                     while (numBytesRemaining > 0) {

                          numBytesRemaining -= line.write(audioBuffer, 0, numBytesRemaining);

                     }

                } catch (final Exception e) {

                     shutDown("Error during playback: " + e);

                     break;

                }

           }

           // stop and close the line.

           if (thread != null) {

                line.drain();

           }

           line.stop();

           line.close();

           line = null;

           thread = null;

      }

      private SourceDataLine getSourceDataLineForPlayback() {

           SourceDataLine line;

           final DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);

           if (!AudioSystem.isLineSupported(info)) {

                return null;

           }

           // get and open the source data line for playback.

           try {

                line = (SourceDataLine) AudioSystem.getLine(info);

                line.open(format, BUF_SIZE);

           } catch (final LineUnavailableException ex) {

                return null;

           }

           return line;

      }

 }  

 public class Testss {

      public static void main(String[] args) throws Exception {

           Player pl = new Player(new File("filename.wav"));

           pl.start();

           Thread.sleep(2000);

      }

 }