RE: Authenticator Question

["Clapham, Paul" <pclapham@xxxxxxxxxxxxx>]

This is normal behaviour for Java GUI programs. The main program keeps on 
going, as you say, while the GUI runs in a separate thread called the "event 
thread". Normally you don't notice this because the main program starts the GUI 
and then does nothing else, leaving the GUI the only active thread.

If you called "Authenticator a = new MyAuthenticator()" in the event thread 
(e.g. in response to a button click or some other GUI event), and if your 
JDialog was a modal dialog, then you would have to key in your information 
before "Authenticator.setDefault(a)" would be called.

PC2 

-----Original Message-----
From: java400-l-bounces+pclapham=core-mark.com@xxxxxxxxxxxx 
[mailto:java400-l-bounces+pclapham=core-mark.com@xxxxxxxxxxxx] On Behalf Of 
Larry
Sent: March 17, 2005 05:56
To: java400-l@xxxxxxxxxxxx
Subject: Authenticator Question


I wrote a small authenticator class.  It is designed to pop up a window, allow 
the user to type in their information and return a PasswordAuthentication 
object.  To do this when the authenticator is created, in the constructor I pop 
up the window.

        public MyAuthenticator() {
                super();
                getJDialog();
                JDialog.show();

In my button on the window I take the values and move them to strings which get 
sent back in the protected PasswordAuthentication getPasswordAuthentication() 
method which consists simply of return (new PasswordAuthentication 
(uname,pass.toCharArray())).

In my main program that uses the authenticator I do the following:

                ........
                Authenticator a = new MyAuthenticator();
                Authenticator.setDefault(a);
                ........

When I run this code, the window pops up in the Authenticator class, but the 
main program seems to keep chugging along - not waiting for my data entry into 
the window.  The window itself works fine, but the main program just seems to 
not want to wait for the data coming back from it.

I know the authenticator class works fine other than the GUI.  If I supress the 
GUI and just force in a user name and password, everything runs fine.  When I 
put in the GUI, it does not.

Any ideas where I may be going wrong?

Larry





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