[xwiki-devs] VelocityFactory API change (was Re: xwiki-velocity refactoring)

Vincent Massol vincent at massol.net
Wed Mar 2 15:49:17 UTC 2011

ok I have no added the following 2 new component impls:
* WebAppVelocityConfiguration
* WebAppVelocityEngine

However it's not enough since DefaultVelocityEngine.createVelocityEngine() does a component lookup on VelocityEngine and we need a way for it to look up with a passed hint.

I'm proposing to modify the current VelocityFactory API from:

    VelocityEngine createVelocityEngine(String key, Properties properties) throws XWikiVelocityException;


    VelocityEngine createVelocityEngine(String key, Properties properties, String engineType) throws XWikiVelocityException;

where engineType is the hint corresponding to the engine to look up.

Then DefaultVelocityManager can call VelocityFactory, passing the "webapp" hint to createVelocityEngine.



On Mar 2, 2011, at 1:56 PM, Vincent Massol wrote:

> Just a heads up of what I'm working on right now: cleaning up xwiki-velocity dependencies.
> I'm going to split it into several submodules:
> * xwiki-velocity-management (or xwiki-velocity-jmx)
> * xwiki-velocity-default
> * xwiki-velocity-webapp (implementation of VelocityEngine and VelocityConfiguration with hint = "webapp",  this is to use use velocity with the WebappResourceLoader loading templates from the webapp's root dir)
> -Vincent

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