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From Leon Widdershoven <>
Subject Re: AW: How to obtain the Manager, or a Component
Date Fri, 09 Apr 2004 11:08:55 GMT

it sounds pretty complicated. though, especially the configuration of 
I have a problem declaring app specific data in the global context; it is
I *was* hoping for a Cocoon.getInstance() or ServiceManager.getInstance()
like construct. Alas.

I think I just use both standard java.sql libraries for testing and
let my flowscript cocoon.getComponent( dbname ) pass the datasource to
my objects for real - so much simpler.

The point is that implementing a change in cocoon.xconf requires that
cocoon be restarted - which would bring all other applications off-line.
Not a problem for the development version but a huge problem for the
deployment server.

In any case, thanks for the quick and clear response.


Marco Rolappe wrote:
> hi leon,
> make your java class a component
>  - implement Composable (you'll get a ComponentManager) or Servicable
> (you'll get a ServiceManager)
>  - optionally implement other lifecycle interfaces (e.g. LogEnabled to get a
> logger for your component)
>  - declare your new component where the other components are declared; in
> cocoon.xconf
> take a look at the avalon documentation at for the general ideas
> and the cocoon source for some meat.
>>-----Ursprungliche Nachricht-----
>>[]Im Auftrag
>>von Leon Widdershoven
>>Gesendet: Freitag, 9. April 2004 12:37
>>An: users
>>Betreff: How to obtain the Manager, or a Component
>>I am looking for a way to get a database pool from cocoon from within my
>>Java class.
>>These java classes will then be compiled to a library and used from a
>>Javascript flowscript program. Thus, they do not get
>>configuration settings
>>from the sitemap.
>>Following the code I used in my flowscript it seems that I need to get
>>a ComponentManager from somewhere (a ServiceManager would be better
>>but seems to be even harder to find) so I can lookup my database
>>I did find some sample code on the doc pages, but those require
>>org.apache.cocoon.Roles, which does not exist in my Cocoon 2.1.4.
>>I hope someone can give me a hint as I get a headache from complicated
>>javascript (My prototype is in JavaScript; it processes Excel spreadsheets
>>and consists of a single file with 10+ "classes" and over a 1000 lines -
>>I truly wish to organize it as a Java lib!)
>>Leon Widdershoven
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