Custom Request Subclass

[Zach Cox <zc...@gmail.com>]

I'm using Tomcat 6.0.14 and I need to override the
Request.configureSessionCookie method to call setDomain on the Cookie
(so the session cookie can be shared across subdomains).  Is there any
way to tell Tomcat to instantiate & use my Request subclass instead of
Request itself?

Thanks,
Zach

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Re: Custom Request Subclass

[Christopher Schultz <ch...@christopherschultz.net>]

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Chris,

Chris.Wraith@barclayscapital.com wrote:
| One possibility is to use a servlet filter to wrap the tomcat
| instantiated request in your own request, which overrides the desired
| method.

I think you've got the wrong class, here, Chris. The
configureSessionCookie method is in Tomcat's Request class, not
HttpServletRequest.

Zach, Chris has the right idea... just not at the right level. While you
can't do this with a Filter, you /can/ do it with a Valve:

http://tomcat.apache.org/tomcat-6.0-doc/config/valve.html

Check the Tomcat source code for lots of details on Valve implementation.

- -chris
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RE: Custom Request Subclass

[Ch...@barclayscapital.com]

One possibility is to use a servlet filter to wrap the tomcat
instantiated request in your own request, which overrides the desired
method.

public class MyFilter implements javax.servlet.Filter {
	..
	public void doFilter(ServletRequest request, ServletResponse
response,
				FilterChain filterChain) {
		MyRequest myRequest = new MyRequest(request);
		filterChain.doFilter(myRequest, response);
	}
	..
}


-----Original Message-----
From: Zach Cox [mailto:zcox522@gmail.com] 
Sent: 19 April 2008 02:02
To: users@tomcat.apache.org
Subject: Custom Request Subclass

I'm using Tomcat 6.0.14 and I need to override the
Request.configureSessionCookie method to call setDomain on the Cookie
(so the session cookie can be shared across subdomains).  Is there any
way to tell Tomcat to instantiate & use my Request subclass instead of
Request itself?

Thanks,
Zach

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