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From "Marc Tinkler" <>
Subject Aggregate Realms?
Date Fri, 08 Feb 2002 00:30:20 GMT

Since containers can only have a single realm, I would like to implement a Realm that acts
like an aggregator. It could contain other realms, and delegate authenticate calls to each
one, in order, and the first on that answered would provide the Principal.  This should be
easy to implement, but the hard part is getting a hook into the xml mapper to do the configuration.

Ideally, you would want the server.xml file to look something like this:

<Realm className="com.plumbdesign.tomcat.realm.AggregateRealm">	
	<Realm className="org.apache.catalina.realm.MemoryRealm" />
      <Realm className="com.plumbdesign.tomcat.realm.ActiveDirectoryRealm" 
             domainName="" />

My question is, can this be done? Is there any way for a realm to add XMLActions to control
the way it is deserialized from XML? Any ideas?

Marc Tinkler 

p l u m b d e s i g n 
marc tinkler | cto, principal 
157 chambers st ny ny 10007

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