Re: Newbe Questions about Components

[Paul Hammant <Pa...@yahoo.com>]

Kerry,

>Hi Paul.  Thanks for your reply.
>
No probs.

>>No, not all classes need to be components.
>>
>
>That is what I thought, but could you elaborate more here?  How would my
>non-component classes access component services like logging and
>datasource?
>
Extending AsbtractLogEnabled or implementing LogEnabled is what you want 
for those.  Somthing that is logged has to invoke the enableLogging(..) 
method.

>I didn't see any documentation about how to use the
>ExcaliburComponentManager from within a servlet environment.  I created
>a singleton class called ComponentContainer that uses the
>ExcaliburComponentManager.  Is this the common way to do set this up?
>
Not my area... sorry.

>I suppose, I could just get the instance of my singleton
>ComponentContainer class in any class in my application and then
>retrieve a component, but I thought this might not be very good
>practice.
>
>I feel like I am asking pretty fundamental questions.  Have I missed
>some critical examples or documentation?
>
It's common.  We're all too close to the task to see things from the 
newbie point of view.

If OK with you, when we "get there" could you write a couple or 
paragraphs under the title of "how to log enable normal classes without 
making them Components" ?  We'd put it in the FAQ with your name as 
author.. some small fame ;-)

Regards,

- Paul H


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