On Wed, Jan 01, 2003 at 09:48:47AM -0800, Chris Nokleberg wrote: > On Wed, Jan 01, 2003 at 12:36:38PM +0100, Rickard Öberg wrote: > > Chris Nokleberg wrote: > > >I think it would be more useful if instead of applying directly to > > >actions, the filters/interceptors applied to paths (URLs). The paths > > >could support wildcards, either Servlet-style or a more complete regexp > > >style. e.g. > > > > The problem is that people will then start naming their pages in order > > to make it easy to apply filters. And that's bad. URL's should not > > reveal the underlying technology, and should be as long-lived as > > possible. Also imagine if you have a page that is initially unsecured, > > but after a while you see that it needs to be secured. Will you then add > > its path to the configuration or move it to /secure? Probably the > > latter, and you then broke all bookmarks to it. > > > > Nah, there's gotta be a better way. > > This is probably mostly a philosophical discussion, but... > > If the URL hierarchy reflects the structure of the application(*), I > think many cross-cutting aspects such as persistence and security will > be very cleanly expressed as URL patterns.
The URL we talk about here, as URLs used by the end-user because that's what the see and bookmark. The user does not care about persistence or security in the URL but it does care if his bookmark works. I posted a link to Tim Berners-Lees article "Cool URI's don't change" some time ago (http://www.w3.org/Provider/Style/URI.html). > While we're on the subject of URL design, it is also bad to have every > action end in ".do" or whatever. This is an artificial requirement > imposed by the framework (and the sucky servlet 2.2 spec). At least a > Filter-based controller should be provided as an alternative to the > current Servlet one; this would allow servlet 2.3-compatible container > users to map actions to any URL. I agree with you, here. Anybody working already on such a Dispatcher? -billy. -- Meisterbohne Söflinger Straße 100 Tel: +49-731-399 499-0 eLösungen 89077 Ulm Fax: +49-731-399 499-9
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