AudioPlayer.java

package com.csl.liteaudioplayer.util;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

import javax.microedition.io.Connector;
import javax.microedition.io.file.FileConnection;
import javax.microedition.media.Manager;
import javax.microedition.media.MediaException;
import javax.microedition.media.Player;

import net.rim.device.api.io.IOUtilities;
import net.rim.device.api.media.protocol.ByteArrayInputStreamDataSource;
import net.rim.device.api.ui.component.Dialog;

public class AudioPlayer {

    private static final AudioPlayer player_instance = new AudioPlayer();
    private FileHolder holder;
    private Player player;
    private boolean run;

    public static synchronized AudioPlayer getInstance(){
        return player_instance;
    }

    public void setHolder(FileHolder holder){
        this.holder = holder;
    }

    public void play(){
        try {
            String audio_path = "file:///" + holder.getPath() + holder.getFileName();
            FileConnection fc = (FileConnection) Connector.open(audio_path, Connector.READ);
            InputStream is = fc.openInputStream();
            byte[] rawData = IOUtilities.streamToBytes(is);
            playEncryptedAudio(rawData);
            is.close();
            fc.close();
            }
            catch (IOException ioex){

            }
    }

    private void playEncryptedAudio(byte[] data) throws IOException {
        TEA tea = new TEA("Hello world I'm a potato".getBytes());
        byte[] decrypted_data = tea.decrypt(data);
        ByteArrayInputStream stream = new ByteArrayInputStream(decrypted_data);
        ByteArrayInputStreamDataSource source = new ByteArrayInputStreamDataSource(stream, "audio/mpeg");

        try {
            player = Manager.createPlayer(source);
            player.start();
            run = true;
        }
        catch (MediaException me){
            Dialog.alert("MediaException: "+me.getMessage());
            run = false;
        }
    }

    public void stop(){
        try {
            player.stop();
            run = false;
        }
        catch (MediaException me){
            Dialog.alert("MediaException: "+me.getMessage());
            run = false;
        }
    }

    public boolean isRunning(){
        return run;
    }
}