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help me..

archanaanbuarchanaanbu Posts: 4Member
Hi,
i need to play audio file once my text file is opened. for eg, i have text file wit content in it as "hi hello". i have same audio file wit content "hi hello". so now if i open the text file using file chooser, it should play the corresponding audio file as hi hello. am doing in java wit netbeans ide. i used the following code to do this but am getting error in the code. please tel me wat i have to change in the code. thanks.
code:
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.media.*;

public class MediaPlayerDemo extends JFrame {
private Player player;
private File file;

public MediaPlayerDemo()
{
super( "Demonstrating the Java Media Player" );

JButton openFile = new JButton( "Open file to play" );
openFile.addActionListener(
new ActionListener() {
public void actionPerformed( ActionEvent e )
{
openFile();
createPlayer();
}
}
);
getContentPane().add( openFile, BorderLayout.NORTH );

setSize( 300, 300 );
show();
}

private void openFile()
{
JFileChooser fileChooser = new JFileChooser();

fileChooser.setFileSelectionMode(
JFileChooser.FILES_ONLY );
int result = fileChooser.showOpenDialog( this );

// user clicked Cancel button on dialog
if ( result == JFileChooser.CANCEL_OPTION )
file = null;
else
file = fileChooser.getSelectedFile();
}

private void createPlayer()
{
if ( file == null )
return;

removePreviousPlayer();

try {
// create a new player and add listener
player = Manager.createPlayer( file.toURL() );
player.addControllerListener( new EventHandler() );
player.start(); // start player
}
catch ( Exception e ){
JOptionPane.showMessageDialog( this,
"Invalid file or location", "Error loading file",
JOptionPane.ERROR_MESSAGE );
}
}

private void removePreviousPlayer()
{
if ( player == null )
return;

player.close();

Component visual = player.getVisualComponent();
Component control = player.getControlPanelComponent();

Container c = getContentPane();

if ( visual != null )
c.remove( visual );

if ( control != null )
c.remove( control );
}

public static void main(String args[])
{
MediaPlayerDemo app = new MediaPlayerDemo();

app.addWindowListener(
new WindowAdapter() {
public void windowClosing( WindowEvent e )
{
System.exit(0);
}
}
);
}

// inner class to handler events from media player
private class EventHandler implements ControllerListener {
public void controllerUpdate( ControllerEvent e ) {
if ( e instanceof RealizeCompleteEvent ) {
Container c = getContentPane();

// load Visual and Control components if they exist
Component visualComponent =
player.getVisualComponent();

if ( visualComponent != null )
c.add( visualComponent, BorderLayout.CENTER );

Component controlsComponent =
player.getControlPanelComponent();

if ( controlsComponent != null )
c.add( controlsComponent, BorderLayout.SOUTH );

c.doLayout();
}
}
}
}

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