En l'instant précis du 19/03/07 13:31, Tremal Naik s'exprimait en ces termes: > 2007/3/19, David Delbecq <[EMAIL PROTECTED]>: >> I don't understand why you try to do a webapp specific stuff (licence >> checking) in a server context (a valve). > > Well, my license is limiting the number of contemporary sessions, i.e. > there is a limit on the number of users can be logged in at the same > time. So, I need to filter user requests after web app startup. I may > do this after the user has authenticated himself, but this means that > then I should force his logout somehow, and this is more complicated > than simply barring the users at the source. > > I'd like to point out that my valve has been defined at the > application specific level, in the webapps\MyApp\META-INF\context.xml > file > > Thanks > How about having your webapp implements some kind on 'license checking service' and, at webapp startup, put it available at the JNDI level? You valve (or realm) could then access this named service and simply issue a 'can i log in one more user?' request. This way all you have in server/lib is a simple interface and the valve itself. All buisness logic will be implemented by webapp.
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