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From Reinhard Poetz <>
Subject Re: Directory structure of blocks
Date Tue, 12 Apr 2005 09:33:51 GMT
Pier Fumagalli wrote:

>> --------------------------------------------------------------
>> [cocoon block] [DIR]
>>  |
>>  +-- BLOCK-INF [DIR]
>>       +-- block.xml
>>       +-- classes [DIR]
>>       +-- lib [DIR]
>> --------------------------------------------------------------
>> WDYT?
> Again, to sound stupid, but why in the world a cocoon block would 
> contain classes and libraries? Those should be external "components" 
> _required_ by the block, right???


<quote wiki="">
Accessing components

The block.xml descriptor includes the list of components which are exposed and 
made available by the block.

Blocks that depend on this block use the component role (as they normally did 
with block-less cocoon) and the component manager will load the appropriate 
component. Everything is done by the component manager and the block manager 
thru block.xml and wiring information.

In the meantime it's not the block descriptor anymore, that has the list of 
Avalon components which are exposed, but the block's root sitemap. (Here we need 
some more work what we do with alternative IoC implementations like Spring but 
this is one of the topics that should be discussed after we have a working 

So a (maybe stupid) answer to your question: In order to provide components (in 
Java) we need Java binaries that contain them, either classes or libraries ...

Reinhard Pötz           Independent Consultant, Trainer & (IT)-Coach 

{Software Engineering, Open Source, Web Applications, Apache Cocoon}


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