Transformation de code local à une applet(client/serveur)

slt, je suis entraint de dévlopper une application clent/serveur qui interroge une base de données XML.
le code suivant est un code pour extraire les document XML de notre base localement. je veux qu'il soit sur réseau avec applet qui s'affiche dans une page HTML.
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JToolBar;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;


public class amjad extends JFrame {

/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel panel;
private JTextArea area;

public amjad() {

setTitle("FileChooserDialog");

panel = new JPanel();
panel.setLayout(new BorderLayout());
ImageIcon open = new ImageIcon("open.png");

JToolBar toolbar = new JToolBar();
JButton openb = new JButton(open);

openb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
JFileChooser fileopen = new JFileChooser();
FileFilter filter = new FileNameExtensionFilter("", "c");
fileopen.addChoosableFileFilter(filter);

int ret = fileopen.showDialog(panel, "Open file");

if (ret == JFileChooser.APPROVE_OPTION) {
File file = fileopen.getSelectedFile();
String text = readFile(file);
area.setText(text);
}

}
});

toolbar.add(openb);

area = new JTextArea();
area.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

JScrollPane pane = new JScrollPane();
pane.getViewport().add(area);

panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
panel.add(pane);
add(panel);

add(toolbar, BorderLayout.NORTH);

setSize(400, 300);
setLocationRelativeTo(null);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
}

public String readFile (File file) {

StringBuffer fileBuffer = null;
String fileString = null;
String line = null;

try {
FileReader in = new FileReader (file);
BufferedReader brd = new BufferedReader (in);
fileBuffer = new StringBuffer() ;

while ((line = brd.readLine()) != null) {
fileBuffer.append(line + System.getProperty("line.separator"));
}

in.close();
fileString = fileBuffer.toString();
}
catch (IOException e ) {
return null;
}
return fileString;
}


public static void main(String[] args) {
new amjad();
}
}
merci d'avance.(je suis trés pressé)