I faced the same problem with Tapestry. Tapestry filter uses its name
to define application id, which makes configuring Tapestry entirely
with Guice impossible.
I gave up relatively fast when found that guice-servlet does not
provide filter naming out-of-the-box, so now I go with classic web.xml
configuration. Of course, on the one hand it's not very fancy way to
configure app, but on the other - guice-servlet just does not fully
cover web.xml configuration topics.

On Aug 22, 4:52 am, Cafesolo <[email protected]> wrote:
> Hi Dhanji,
>
> I don't know why it needs a name. It's a Wicket thing. I'm sure there
> must be a good reason for this.
>
> I tried to override the Key.toString() method but it's declared as
> final.
>
> Any ideas?
>
> Regards,
> -- Cafesolo
>
> On Aug 21, 2:48 am, "Dhanji R. Prasanna" <[email protected]> wrote:
>
> > Why does it need a name in order to work?
> > By default we just provide Key.toString() as the name of the filter...
>
> > On Fri, Aug 21, 2009 at 3:05 PM, Cafesolo <[email protected]> wrote:
>
> > > Hi everyone!
>
> > > I'm trying to configure a servlet filter using a ServletModule instead
> > > of the web.xml file, and I need to specify a name for it. This is my
> > > current XML configuration:
>
> > >        <filter>
> > >                <filter-name>wicketFilter</filter-name>
>
> > >  <filter-class>org.apache.wicket.protocol.http.WicketFilter</filter-
> > > class>
> > >                <init-param>
> > >                        <param-name>applicationClassName</param-name>
> > >                        
> > > <param-value>com.example.MyApplication</param-value>
> > >                </init-param>
> > >        </filter>
> > >        <filter-mapping>
> > >                <filter-name>wicketFilter</filter-name>
> > >                <url-pattern>/app/*</url-pattern>
> > >        </filter-mapping>
>
> > > And this is as far as I got with the ServletModule class:
>
> > > class MyServletModule extends com.google.inject.servlet.ServletModule
> > > {
>
> > >       �...@override protected void configureServlets() {
> > >                bind(WicketFilter.class).in(Scopes.SINGLETON);
> > >                filter("/app/*").through(WicketFilter.class);
> > >        }
>
> > > }
>
> > > As you can see, I'm not specifying a name for this filter (i.e.
> > > "wicketFilter"), and I can't find a way to do it. The WicketFilter
> > > class needs a name in order to work.
>
> > > Is it possible to specify a name for a filter using the ServletModule
> > > class?
>
> > > Regards,
> > > -- Cafesolo
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