> What exactly is the lifecylcle of a directive? Is is the case 
> that a userdirective class is instantiated and init() called 
> during velocity's initialization, with render() subsequently 
> being called for each reference to the directive in a template?

ah, no - I see - we're getting a context on init(), so it must be initialized 
during template rendering?

... which means I definitely don't want to do anything expensive or brittle 
here ...

hmmm ... perhaps an application scope tool could do the job here - that could 
setup the service objects and provide access to them, then one could get 
instances of the "service objects" from there by retrieving the tool from the 
context provided in the directive's init()?

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