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applet servlet communcation with SSL

2 replies on 1 page. Most recent reply: Mar 25, 2002 8:18 PM by Harendra Rathod

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Chris Francis

Posts: 2
Nickname: fran
Registered: Mar, 2002

applet servlet communcation with SSL

Posted: Mar 22, 2002 8:26 AM

I have an applet that gets credit card details from a client and sends it to a server. how do i encrypt this with SSL?

Also, how can i get the servlet to send the data to a database?

heres my applet code:

import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.io.*;
import java.net.*;
import java.security.*;

public class Test extends JApplet implements ActionListener {

JButton button;
JPanel panel;
JTextField textFirst, textSur, textEmail, textCard, textIssue;
JComboBox chooseType, chooseMonth, chooseDate;

public void init(){

displayForm();
displayFields();
displayButtons();
}

public void displayForm() {

try{
UIManager.setLookAndFeel(UIManager.
getSystemLookAndFeelClassName());
}

catch(Exception e){
}

//creates the panel
panel = new JPanel();
getContentPane().setLayout(new BorderLayout());
getContentPane().add(panel);
Color myColor = new Color(255,255,255);
panel.setBackground(myColor);
panel.setLayout( null );

}

public void displayFields() {

JLabel labelFirst = new JLabel("First Name:");
labelFirst.setBounds(50, 40, 100, 20);
panel.add(labelFirst);

textFirst = new JTextField();
textFirst.setBounds(150, 40, 160, 20);
panel.add(textFirst);

JLabel labelSur = new JLabel("Surname:");
labelSur.setBounds(50, 70, 100, 20);
panel.add(labelSur);

textSur = new JTextField();
textSur.setBounds(150, 70, 160, 20);
panel.add(textSur);

JLabel labelEmail = new JLabel("E mail:");
labelEmail.setBounds(50, 100, 100, 20);
panel.add(labelEmail);

textEmail = new JTextField();
textEmail.setBounds(150, 100, 160, 20);
panel.add(textEmail);

JLabel labelType = new JLabel("Card Type:");
labelType.setBounds(50, 130, 100, 20);
panel.add(labelType);

String[] typeList = { "Please choose one", "American Express", "Mastercard",
"Solo", "Switch", "Visa" };
chooseType = new JComboBox(typeList);
chooseType.setBounds(150, 130, 160, 20);
panel.add(chooseType);

JLabel labelCard = new JLabel("Card Number:");
labelCard.setBounds(50, 160, 100, 20);
panel.add(labelCard);

textCard = new JTextField();
textCard.setBounds(150, 160, 160, 20);
panel.add(textCard);

JLabel labelIssue = new JLabel("Issue:");
labelIssue.setBounds(50, 190, 100, 20);
panel.add(labelIssue);

textIssue = new JTextField();
textIssue.setBounds(150, 190, 20, 20);
panel.add(textIssue);

JLabel labelExpire = new JLabel("Expiry Date:");
labelExpire.setBounds(50, 220, 100, 20);
panel.add(labelExpire);

String[] monthList = { "Please choose one", "01", "02", "03",
"04", "05", "06", "07", "08", "09", "10", "11", "12" };
chooseMonth = new JComboBox(monthList);
chooseMonth.setBounds(150, 220, 70, 20);
panel.add(chooseMonth);

String[] yearList = { "Please choose one", "2006", "2005", "2004",
"2003", "2002", "2001" };
chooseDate = new JComboBox(yearList);
chooseDate.setBounds(240, 220, 70, 20);
panel.add(chooseDate);

}

//method for creating buttons
public void displayButtons(){

//creates and displays the buttons
button = new JButton("Submit Payment");
button.addActionListener(this);
button.setBounds(150, 260, 160, 20);
panel.add(button );

}

public void actionPerformed(ActionEvent e) {

String name = URLEncoder.encode(textFirst.getText());
String card = URLEncoder.encode((String)chooseType.getSelectedItem());
String servletSpec = "http://localhost:8088/Project/servlet/Servlet";

try {
// URL url = new URL(servletSpec + "?name=" + name + "?card=" + card);
URL url = new URL(servletSpec + "?name=" + name);
getAppletContext().showDocument(url);
}

catch (MalformedURLException f) {
getAppletContext().showStatus("Bad URL");
}

}

}

and here is my servlet code:

import javax.servlet.*;
import javax.servlet.http.*;
//import java.awt.*;
//import java.awt.event.*;
import java.io.*;
import java.net.*;

public class Servlet extends HttpServlet {

public void doGet (HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {

response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<HTML><HEAD><TITLE>" + "Payment Recieved" + "</TITLE></HEAD>");
out.println("<BODY><H3>Your Payment details are, " + request.getParameter("name"));
out.println("</H3></BODY></HTML>");
}

}

Yousuf

Posts: 19
Nickname: saeed
Registered: Mar, 2002

Re: applet servlet communcation with SSL

Posted: Mar 22, 2002 10:05 PM

Well this is not as pretty simple as you are taken
you have to concern JSSE for SSL implementation or go to phoas.com

Harendra Rathod

Posts: 1
Nickname: shrrathod
Registered: Mar, 2002

Re: applet servlet communcation with SSL

Posted: Mar 25, 2002 8:18 PM

Hi,

If you have found such type of solution by using POST method and Not GET method from applet, please reply..

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