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From "Peter Monks (JIRA)" <>
Subject [jira] [Commented] (CMIS-379) Allow custom AuthenticationProvider's to be registered via dependency injection
Date Tue, 31 May 2011 16:36:47 GMT


Peter Monks commented on CMIS-379:

You're right, though the point remains that that still has a negative impact on dependency
injection (though not as severe as hardcoded singletons).

> Allow custom AuthenticationProvider's to be registered via dependency injection
> -------------------------------------------------------------------------------
>                 Key: CMIS-379
>                 URL:
>             Project: Chemistry
>          Issue Type: Wish
>          Components: opencmis-client
>    Affects Versions: OpenCMIS 0.3.0
>         Environment: n/a
>            Reporter: Peter Monks
>            Assignee: Florian Müller
>             Fix For: OpenCMIS 0.4.0
> As documented at,
the only way to configure a custom AuthenticationProvider is to specify the fully-qualified
classname as a String entry in the Session parameters Map.  This is a crude approach that
(amongst other things) makes it very difficult to implement a custom AuthenticationProvider
that itself has one or more dependencies.
> The solution is to support (but not require, obviously) the dependency injection of custom
AuthenticationProviders, either directly (can be injected directly into the CmisBindingFactory)
or indirectly (can be injected into custom client code, and than passed either as a Session
parameter or whatever to CmisBindingFactory).
> From a brief perusal it appears there are at least two ways of achieving this:
> # allow an *instance* of an AuthenticationProvider to be provided in the Session parameters
Map.  Note: this would require that the type of the Map is modified from Map<String, String>
to Map<String, Object>, but this is probably a good idea anyway as it seems unlikely
that all Session parameters, now and in the future, will always be Strings.
> # add a setter to the CmisBindingFactory that allows the AuthenticationProvider to be
configured directly.

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