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Posted to users@myfaces.apache.org by fr...@pacbell.net on 2006/01/18 05:44:17 UTC
RE: Servlet Filter?
-----Original Message-----
From: Bjørn T Johansen [mailto:btj@havleik.no]
Sent: Thursday, May 05, 2005 8:50 AM
To: MyFaces Discussion
Subject: Re: Servlet Filter?
Yes, you are correct... And after changing my url-pattern back to
/protected/* it works like it should.... And what you say about the url,
makes sense....
So thx! :)
BTJ
Matt Blum wrote:
> You need to change your url-mapping back to "/protected/*". I'm
> assuming you left it mapped to "/*", in which case the behavior you're
> describing is what you *should* be seeing. The filter is being called
> twice now, once for the initial request (logins.jsp) and once for the
> forward (/protected/index.jsp). The URL you're printing out is coming
> from the request object, which will only give you the URL that was
> originally sent to the server.
>
> That's the difference between a redirect and a forward: a redirect
> instructs the client to request a different URL from the server, which
> thereby creates a new request object; a forward is handled entirely on
> the server, with the server simply redirecting the *handling* of the
> request to something other than what was initially requested.
>
> -Matt
>
> On 5/5/05, *Bjørn T Johansen* <btj@havleik.no <ma...@havleik.no>>
> wrote:
>
> Well, I tried switching to 2.4 spec, but the only difference (I
> enabled requests and
> forwards), is that it now prints the url twice (i.e. the doFilter
> method is called twice),
> but it still just shows me the url for the previous page ( i.e.
> /logins.jsp instead of
> /protected/index.jsp but the page shown is /protected/index.jsp)
> Is there something fundamental I am missing...? This is my first JSF
> app, but it shouldn't
> be that much different from say Struts...
>
> BTJ
>
> Matt Blum wrote:
> > OK, now I think I've got it:
> >
> > The navigation rule is doing a forward, not a redirect. Servlet
> filters
> > don't always handle anything but the initial server request. If
> you're
> > using a servlet container that only supports up to servlet spec
> 2.3, it
> > will *only* handle the initial server request, so I'm not sure how
> you'd
> > fix your problem. If you're using one that supports servlet spec
2.4,
> > though, you can configure it to handle requests, forwards,
> includes, and
> > errors as follows:
> >
> > <filter-mapping>
> > <filter-name>MyFilter</filter-name>
> > <url-pattern</pattern/*</url-pattern>
> > <dispatcher>REQUEST</dispatcher>
> >
> > <dispatcher>FORWARD</dispatcher>
> > <dispatcher>INCLUDE</dispatcher>
> > <dispatcher>ERROR</dispatcher>
> > </filter-mapping>
> >
> >
> > Obviously, if you only want it to handle requests and forwards,
> you only
> > need the corresponding lines.
> >
> > Hope this helps.
> > -Matt
> >
> > On 5/4/05, *Bjørn T Johansen* <btj@havleik.no
> <ma...@havleik.no> <mailto:btj@havleik.no
<ma...@havleik.no>>>
> > wrote:
> >
> > Well, I changed my pattern to /* and something strange happens
in
> > the doFilter method...
> >
> > I am coming from /login.jsp and the navigation rule looks like
> this..:
> >
> > <navigation-rule>
> > <from-view-id>/login.jsp</from-view-id>
> > <navigation-case>
> > <from-outcome>success</from-outcome>
> > <to-view-id>/protected/index.jsp</to-view-id>
> > </navigation-case>
> > </navigation-rule>
> >
> > And when the outcome is success from /login.jsp, the correct
> page is
> > showing
> > (/protected/index.jsp) but putting this call in the doFilter
> method:
> >
> > writeLog(((HttpServletRequest)request).getRequestURL());
> >
> > gives me the url to the previous page, /logins.jsf.. Shouldn't
> this be
> > /protected/index.jsf ?? But this explains why the patterng
> > /protected/* didn't work, but
> > why is this the request url in doFilter??
> >
> > BTJ
> >
> > Matt Blum wrote:
> > > The only possibilities I can think of that would cause the
> > behavior you
> > > describe are:
> > >
> > > 1. The URL is being redirected before the filter is hit, so
the
> > > url-mapping doesn't apply (you can test this by setting the
> > pattern back
> > > to /* and outputting the path the filter finds).
> > >
> > > 2. Another filter whose pattern is matched by the request
> (and which
> > > comes before the filter you're working on in your web.xml
> list of
> > > filter-mappings) is failing to call doFilter(request,
> response) on the
> > > FilterChain object it receives, for some reason.
> > >
> > > -Matt
> > >
> > > On 5/4/05, *Bjørn T Johansen* <btj@havleik.no
> <ma...@havleik.no>
> > <mailto:btj@havleik.no <ma...@havleik.no>>
> <mailto:btj@havleik.no <ma...@havleik.no>
> <mailto:btj@havleik.no <ma...@havleik.no>>>>
> > > wrote:
> > >
> > > Yes, I do... But I have tried /faces/protected/* too,
> with no
> > luck....
> > >
> > > BTJ
> > >
> > > Jonathan Eric Miller wrote:
> > > > This is just a guess, but, if you have JSF configured
> to use
> > > mappings like,
> > > >
> > > > /faces/*
> > > >
> > > > then, I think it might change the path to something like
> > > > /faces/protected/<page>.jsp (so, I think you could
> setup a
> > mapping of
> > > > /faces/protected/* instead of /protected/*).
> > > >
> > > > I used to have mine setup like that, but, now I'm using
a,
> > > >
> > > > *.faces
> > > >
> > > > mapping for faces. This way it doesn't mess around
> with the
> > path.
> > > >
> > > > Jon
> > > >
> > > > ----- Original Message ----- From: "Bjørn T Johansen" <
> > > btj@havleik.no <ma...@havleik.no>
> <mailto:btj@havleik.no <ma...@havleik.no>> <mailto:
> btj@havleik.no <ma...@havleik.no>
> > <mailto:btj@havleik.no <ma...@havleik.no>>>>
> > > > To: "MyFaces Discussion" < users@myfaces.apache.org
> <ma...@myfaces.apache.org>
> > <mailto:users@myfaces.apache.org
> <ma...@myfaces.apache.org>>
> > > <mailto: users@myfaces.apache.org
> <ma...@myfaces.apache.org>
> > <mailto:users@myfaces.apache.org
> <ma...@myfaces.apache.org>>>>
> > > > Sent: Wednesday, May 04, 2005 8:08 AM
> > > > Subject: Re: Servlet Filter?
> > > >
> > > >
> > > >> Yes, I am.... Maybe I'll check the request path...
> > > >>
> > > >> BTW, is SecurityFilter something else or just another
> name for
> > > filter?
> > > >>
> > > >>
> > > >> BTJ
> > > >>
> > > >> hermod.opstvedt@dnbnor.no
> <ma...@dnbnor.no>
> > <mailto:hermod.opstvedt@dnbnor.no
> <ma...@dnbnor.no>>
> <mailto:hermod.opstvedt@dnbnor.no <ma...@dnbnor.no>
> > <mailto: hermod.opstvedt@dnbnor.no
> <ma...@dnbnor.no>>> wrote:
> > > >>
> > > >>> Hi
> > > >>>
> > > >>> I seem to remember that (look in an earlier thread)
> there is a
> > > problem
> > > >>> with that. Are you calling a faces page within that
> pattern?
> > > >>>
> > > >>> One soulution is to use the top-levek aproach and then
> > check the
> > > >>> requestpath in your filter (I use SecurityFilter for
> this).
> > > >>>
> > > >>> Hermod
> > > >>>
> > > >>> -----Original Message-----
> > > >>> From: Bjørn T Johansen [mailto: btj@havleik.no
> <ma...@havleik.no>
> > <mailto:btj@havleik.no <ma...@havleik.no>>
> > > <mailto: btj@havleik.no <ma...@havleik.no> <mailto:
> btj@havleik.no <ma...@havleik.no>>>]
> > > >>> Sent: Wednesday, May 04, 2005 1:59 PM
> > > >>> To: MyFaces Discussion
> > > >>> Subject: Re: Servlet Filter?
> > > >>>
> > > >>>
> > > >>> Yes, I discovered that there seems to be something
wrong
> > with my
> > > >>> pattern...
> > > >>> If I use /* as the pattern, it works...
> > > >>> But if I use /protected/* then the filter is not
> called..
> > ( I.e.
> > > I want
> > > >>> to protect
> > > >>> every file and subfolders inside a folder called
> > protected, how
> > > should
> > > >>> my pattern
> > > >>> look like?
> > > >>>
> > > >>>
> > > >>> BTJ
> > > >>>
> > > >>> hermod.opstvedt@dnbnor.no
> <ma...@dnbnor.no>
> > <mailto:hermod.opstvedt@dnbnor.no
> <ma...@dnbnor.no>> <mailto:
> > hermod.opstvedt@dnbnor.no <ma...@dnbnor.no>
> <mailto: hermod.opstvedt@dnbnor.no
> <ma...@dnbnor.no>>> wrote:
> > > >>>
> > > >>>> Hi
> > > >>>>
> > > >>>> I am using filters (for taking care of Hibernate
> > sessions) and it
> > > >>>
> > > >>>
> > > >>> works
> > > >>>
> > > >>>> like a charm. However I did mess up initially because
I
> > forgot
> > > to add
> > > >>>> the correct mapping, which then resultet in the same
> > behaviour.
> > > >>>>
> > > >>>> Make sure you have somthing like this in your
> web.xml file:
> > > >>>>
> > > >>>> <filter-mapping>
> > > >>>> <filter-name><<your_filtername>></filter-name>
> > > >>>> <url-pattern>/*</url-pattern>
> > > >>>> </filter-mapping>
> > > >>>>
> > > >>>> Hermod
> > > >>>>
> > > >>>> -----Original Message-----
> > > >>>> From: Bjørn T Johansen [mailto: btj@havleik.no
> <ma...@havleik.no>
> > <mailto:btj@havleik.no <ma...@havleik.no>>
> > > <mailto:btj@havleik.no <ma...@havleik.no>
> <mailto:btj@havleik.no <ma...@havleik.no> >>]
> > > >>>> Sent: Wednesday, May 04, 2005 1:43 PM
> > > >>>> To: myfaces-user@incubator.apache.org
> <ma...@incubator.apache.org>
> > <mailto: myfaces-user@incubator.apache.org
> <ma...@incubator.apache.org>>
> > > <mailto:myfaces-user@incubator.apache.org
> <ma...@incubator.apache.org>
> > <mailto: myfaces-user@incubator.apache.org
> <ma...@incubator.apache.org>>>
> > > >>>> Subject: Servlet Filter?
> > > >>>>
> > > >>>>
> > > >>>> I have a struts application where I am using Filter
and
> > Tomcat and
> > > >>>
> > > >>>
> > > >>> this
> > > >>>
> > > >>>> works as it
> > > >>>> should... But trying to do the same thing with a JSF
> > application
> > > >>>
> > > >>>
> > > >>> doesn't
> > > >>>
> > > >>>> work? Are
> > > >>>> there something I am missing? The init() method is
> > called, but
> > > >>>
> > > >>>
> > > >>> doFilter
> > > >>>
> > > >>>> is never
> > > >>>> called, why?
> > > >>>>
> > > >>>>
> > > >>>> Regards,
> > > >>>>
> > > >>>> BTJ
> > > >>>>
> > > >>>
> > > >>
> > > >
> > >
> >
> >
>
>