It sounds like using a Filter would be easier. With a filter - you can use
the Servlet API to get a Dispatcher for the servlet you wish to call. For
example, this filter reroute all requests to FooServlet:
package more.cowbell;
import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.FilterChain;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.ServletException;
import java.io.IOException;
public class ReRouteFilter implements Filter {
public void init(FilterConfig filterConfig) throws ServletException {
;
}
public void doFilter(ServletRequest request,
ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
request.getRequestDispatcher("/FooServlet").forward(request, response);
}
public void destroy() {
;
}
}
-----------
Then in $CATALINA_HOME/conf/web.xml
<filter>
<filter-name>ReRoute Filter</filter-name>
<filter-class>more.cowbell.ReRouteFilter</filter-class>
</filter>
<!-- Trap everything going to the default servlet-->
<filter-mapping>
<filter-name>ReRoute Filter</filter-name>
<servlet-name>default</servlet-name>
</filter-mapping>
<!-- Trap by file extension html-->
<filter-mapping>
<filter-name>ReRoute Filter</filter-name>
<url-pattern>*.html</url-pattern>
</filter-mapping>
-----------
-Tim
Chippada, Sreeni wrote:
Hi Tim,
Thanks for your reply.
I know how to create a valve. But I do not know how to execute a
servlet from a valve. I will be glad if you can you can tell me how to ro
point me to appropriate resources.
Also, I do not know how to configure the filters in the server.xml.
Appreciate any help.
Thanks,
Sreeni
-----Original Message-----
From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 18, 2004 7:50 AM
To: Tomcat Users List
Subject: Re: Is it possible to intercept all requests and be serviced by a
ser vlet?
You can use a Valve.
Or you can use a Filter configured in $CATALINA_HOME/conf/server.xml and the
class would live in the common/ classloader
-Tim
Chippada, Sreeni wrote:
Hi,
I am using Tomcat 5. I need all the requests be serviced by a
particular servlet irrespective of the web apps deployed. Is there a way
to
do it?
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