Java MP3 Player Yardım

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.text.Utilities;
import javax.sound.sampled.AudioFileFormat;
import javax.swing.DefaultListModel;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileFilter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Map;
import java.util.Scanner;

import jaco****.player.MP3Player;

public class SoundTrip_01 {
	
	public  static ArrayList<String> müzikliste = new ArrayList <String> ();
	
	DefaultListModel playlist = new DefaultListModel();
    DefaultListModel absolute_path = new DefaultListModel();
    MP3Player mp3_player;
	private JFrame frm_player;
	private JButton btn_play, btn_stop, btn_directory, btn_clear,btn_search;
	private JFileChooser chooser = new JFileChooser();
	private JList list;
	JTextField text;
	PlayerThread player_thread;
	private boolean paused = false;
	boolean playing = false;
	
	String current_song = "";
	
	Scanner s=new Scanner(System.in);	

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					SoundTrip_01 window = new SoundTrip_01();
					window.frm_player.setVisible(true);
				} catch (Exception e) {
				    e.printStackTrace();
				}
			}
		});
	}


	public SoundTrip_01() {
		initialize();
	}

	/* Initialize the contents of frame. */
	private void initialize() {
	    frm_player = new JFrame();
	    frm_player.setResizable(false);
	    frm_player.setTitle("Media Player");
	    frm_player.setBounds(100, 100, 271, 300);
	    frm_player.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	    frm_player.getContentPane().setLayout(null);
	    frm_player.setLocationRelativeTo(null);
		
	    JPanel panel = new JPanel();
	    panel.setBounds(10, 11, 245, 250);
	    frm_player.getContentPane().add(panel);
	    panel.setLayout(null);
		
	    btn_play = new JButton(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\play.png"));
	    btn_play.setBounds(10, 0, 31, 29);
	    panel.add(btn_play);
		
	    btn_stop = new JButton(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\stop.png"));
	    btn_stop.setBounds(41, 0, 31, 29);
	    panel.add(btn_stop);
	    
	    text = new JTextField(50);
	    text.setBounds(100, 5, 90, 20);
	    panel.add(text);
	    
	    btn_search=new JButton("Ara");
	    btn_search.setBounds(200, 5, 45, 20);
	    panel.add(btn_search);
		
	    JScrollPane scrollPane = new JScrollPane();
	    scrollPane.setBounds(10, 40, 225, 186);
	    panel.add(scrollPane);
		
	    list = new JList(playlist);
	    scrollPane.setViewportView(list);
	   
	    btn_directory = new JButton("");
	    btn_directory.setIcon(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\open.png"));
	    btn_directory.setBounds(10, 227, 23, 23);
	    panel.add(btn_directory);
	   
	    btn_clear = new JButton("");
	    btn_clear.setBounds(33, 227, 24, 23);
	    panel.add(btn_clear);
	    btn_clear.setIcon(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\clear.png"));
	   
		fileFilter();
       
		// register listeners
		btn_play.addActionListener(new ButtonListener());
		btn_stop.addActionListener(new ButtonListener());
		btn_directory.addActionListener(new ButtonListener());
		btn_clear.addActionListener(new ButtonListener());
		btn_search.addActionListener(new ButtonListener());
		list.addMouseListener(new DoubleClickList());
		
		
		
		
	}    
	
	public void playIt(){
		
		btn_play.setIcon(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\pause.png"));
		
		
		
	    current_song = (String)absolute_path.getElementAt(list.getAnchorSelectionIndex());
 	    current_song.intern();
 	  
 	   
 	    //playlist.addElement(current_song);
 	    player_thread = new PlayerThread();
 	    player_thread.start();
		playing = true;
		
		}
		
	
	
	public void stopIt(){
	    if(playing == true){
			btn_play.setIcon(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\play.png"));
			mp3_player.stop();
			playing = false;
			player_thread = null;
			System.out.println("bitti");
	    }
	}
	
	public void fileFilter(){
	 	String path = " ";
		File folder = new File(path);
	    File dir = new File(folder.getAbsolutePath().replace(folder.getName(), ""));
	    File[] files = dir.listFiles(new MP3FileFilter());
	    for (File f : files){
	        playlist.addElement(f.getName());
	        müzikliste.add(f.getAbsolutePath());
	        absolute_path.addElement(f.getAbsolutePath());
	    }
	}
	
	
	
	class MP3FileFilter implements FileFilter{
	    private final String[] mp3_extension = new String[] {"mp3"};
	    public boolean accept(File file) {
	        for (String extension : mp3_extension) {
	            if (file.getName().toLowerCase().endsWith(extension)) {
	                return true;
	            }
	        }
	        return false;
	    }
	}
	
	class ButtonListener implements ActionListener{
        public void actionPerformed(ActionEvent e){
            if(e.getSource() == btn_play){
                if(playing == false && paused == false){
                	
                    playIt();
                                        
                }else 
                	if(playing==true && paused == false){
         	        btn_play.setIcon(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\play.png"));
         	        paused = true;
         	        mp3_player.pause();
                }else 
                	if(playing == true && paused == true){
					btn_play.setIcon(new ImageIcon("C:\\Users\\Samsung\\Desktop\\Soundtrip\\Soundtrip\\pause.png"));	
        	        paused = false;
        	        playIt();
                }
            }else 
            	if(e.getSource() == btn_stop){
                stopIt();
            }else
            	if(e.getSource() == btn_directory){
				chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); 
				
				int option = chooser.showOpenDialog(frm_player);
				
				if(option == JFileChooser.APPROVE_OPTION){
					String folder = (String)chooser.getSelectedFile( ).getAbsolutePath();
					File dir = new File(folder);
					File[] files = dir.listFiles(new MP3FileFilter());
					for (File f : files){
						playlist.addElement(f.getName());
						müzikliste.add(f.getAbsolutePath());
						absolute_path.addElement(f.getAbsolutePath());
					}
				}
			}else if(e.getSource() == btn_clear){
     		    playlist.clear();
     		    müzikliste.clear();
     		    absolute_path.clear();
     	    } 
            
            if(e.getSource() == btn_search){
        		String ara=text.getText();
        		
        		
        		int boy=playlist.getSize();
        		
        		boolean q= playlist.contains(text);
        		JOptionPane.showMessageDialog(null,"Merhaba"+current_song);

        		
            }
            
          
        }	
        
        
	}
   
	class DoubleClickList extends MouseAdapter{
	    public void mouseClicked(MouseEvent e){
		    if(e.getClickCount() == 2){
				stopIt();
			    playIt();
			    
		    }
	    }
	}

	class PlayerThread extends Thread{
        public void run(){
            try{
            	
				mp3_player = new MP3Player(new File(current_song));
        	    mp3_player.play();
        	   
        	   
            }catch(Exception e){ System.err.println(e);}
            
            
        }
      
        
	}
}