How to display a modal dialog from a servlet

[Stefan]

Hi!

I'm trying to display a modal dialog from a servlet (in it's init code it's supposed to ask the guy on the web server a question, I DO know that the window will be displayed on that end (as opposed to in the browser on the other end).
Well... before I try that I want to display a dialog from a main function but I seem to be having problems with that. This dialog should be modal so I can't use a frame (or can I?).
So I need to know how to how to display a modal dialog with no parent frame (just straight from the main function... or servlet).

Here's what happens when I try this. My dialog always gets lost... I can't see it! I construct it with true in the modal boolean and... nada!

Here's some code:
The main method:

//Main method
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
}
CipherKeyDlg d = new CipherKeyDlg(null, "Enter Cipher Key", true);
System.out.println("hello");
}



The CipherKeyDlg class:

public class CipherKeyDlg extends JDialog {
JLabel lblPrompt = new JLabel();
JTextField txtCipherKey = new JTextField();
JButton btnOK = new JButton();

public CipherKeyDlg(Frame frame, String title, boolean modal) {
super(frame, title, modal);
try {
jbInit();
pack();
}
catch(Exception ex) {
ex.printStackTrace();
}
}

public CipherKeyDlg()
{
this(null, "", true);
}

//Component initialization
private void jbInit() throws Exception
{
//Center the dialog
this.validate();
this.setSize(new Dimension(340, 220));
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = this.getSize();
if (frameSize.height > screenSize.height)
frameSize.height = screenSize.height;
if (frameSize.width > screenSize.width)
frameSize.width = screenSize.width;

lblPrompt.setText("Enter Komodo Cipher Key:");
lblPrompt.setBounds(new Rectangle(100, 100, 150, 21));
this.getContentPane().setLayout(null);
this.setResizable(false);
this.setTitle("Enter Cipher Key");
this.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
txtCipherKey.setToolTipText("Enter Komodo Cipher Key");
txtCipherKey.setBounds(new Rectangle(110, 125, 200, 21));
btnOK.setSelected(true);
btnOK.setText("OK");
btnOK.setBounds(new Rectangle(250, 160, 79, 27));
btnOK.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(ActionEvent e)
{
btnOK_actionPerformed(e);
}
});
this.getContentPane().add(lblPrompt, null);
this.getContentPane().add(txtCipherKey, null);
this.getContentPane().add(btnOK, null);
}
}




The jbInit code works for a frame... but not for a Dialog???

Any ideas?

Thanks in advance,
Stefan

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