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From Stefano Bagnara <apa...@bago.org>
Subject RemoteDelivery vs sun and geronimo javamail implementation
Date Fri, 20 Jun 2008 18:40:27 GMT
Having removed the CRLFOutputStream depedendency the only class having 
real dependencies on SUN's javamail *implementation* (com.sun classes) 
is the RemoteDelivery mailet.

Geronimo's implementation provides almost identical classes but of 
course they are in their own package.

IMO it woul be cool to support geronimo's javamail as like sun's 
javamail (we are ASF brothers :-) ), what can we do?

Change RemoteDelivery to check instanceof of both classes (and add 
geronimo implementation to the build time depedencies)

Add a GeronimoRemoteDelivery identical to the RemoteDelivery but 
renaming packages (same geronimo build time depedency).

Use reflection to invoke the methods we use so that we can support both 
implementation with no build time dependencies.

We currently call transport.supportsExtension("8BITMIME") method once 
per mail and SMTPAddressFailedException, SMTPAddressSucceededException 
and SMTPSendFailedException mainly for better bounce 
handling/debugging/logging purpose upon exception.

So we would have 1 reflection for each delivery attempt + possibly 3-4 
reflections for each address failed upon delivery failure.

I would go with reflections.

Objections? Opinions?


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