getting URLconnection when the client is behind a proxy

[mustang india]

HI,
I want to write a java client which connects toa praticular server and download a file. How will I get the URLConnection when I am behind a firewall ?
Anybody pl suggest.
Regards,
Mustang.

[Peter den Haan]

Off the top of my head, set the http.proxyHost and http.proxyPort system properties. If you have an authenticating proxy, it's a bit more complicated than that because you've got to code authentication callbacks.
- Peter

[mustang india]

HI Peter,
Thanks for the reply. I have an authenticating proxy..what can I do for that ?
Regards,
Mustang.

[aminur rashid]

To get authentication use this class

import java.net.*;
class MyAuthenticator extends Authenticator {
protected PasswordAuthentication getPasswordAuthentication() { 
return new PasswordAuthentication ("USERNAME","PASSWORD".toCharArray()); 
} 
} 
 

Now call the class before making urlconnection

   System.setProperty("http.proxyHost","your proxy host"); 
  System.setProperty("http.proxyPort","80");//or your port 
  Authenticator.setDefault (new MyAuthenticator ());
 

Enjoy