On May 10, 2011, at 5:03 PM, Vincent Massol wrote:
> Hi,
>
> I'd like to commit @Inject injection of Loggers at the same time as I do the
> switch to SLF4J/Logback (I have it mostly done on my machine).
>
> The idea is to move from:
>
> public MyComponent implements LogEnabled, MyComponentRole
> {
> ...
> }
>
> to:
>
> public MyComponent implements MyComponentRole
> {
> @Inject
> private Logger logger;
> ...
> }
>
> Rationale:
> * More consistent with how we inject dependencies
> * Makes it easier to move to another DI framework later on (CDI, Guice, etc)
> since the way to implement this with them is to use the JSR299 @Producer
> annotation on a class that produces Loggers.
For the record, here's how it's done with our DI fwk:
* Guice: http://glauche.de/2009/08/24/logging-with-slf4j-and-guice/
* Weld: http://docs.jboss.org/weld/reference/1.0.0/en-US/html/extensions.html
* CDI in general:
http://rbergerpa.blogspot.com/2011/02/dependency-injection-and-logging.html
To summarize:
* Guice: Based on TypeListeners
* CDI: Based on @Produces
Thanks
-Vincent
> * Allows to keep the current logging behavior unchanged for backward
> compatibility (we juste deprecate it).
>
> WDYT?
>
> Thanks
> -Vincent
>
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