Jeppe Cramon <[EMAIL PROTECTED]> wrote:
Hi
> So I've been doing some thinking lately about dependency injection,
> and the fact that my own personal beef with it (other than the amount
> of dogma surrounding it) is the fact that dependencies are exposed
> through the public interface of the class. This has always seemed
> wrong to me.
How would you else do it? Lookup methods?
Either way (push or pull) you're committing to a level of dependency. A constructor argument or a setter is better than depndency on some lookup class IMO.
What I like is that I can see my dependencies (those that matter) and I can easely mock them when unit testing.
Keeping dependencies in the class and not the interface is in most cases best practise.
> Anyway, after a little push from Nic to make the @Before/@After stuff
> work with non-public methods, I figured why not do the same for the
> Spring integration?
> And actually I've gone on a bit of a rampage and
> refactored the SpringHelper quite significantly. I've made the
> following improvements:
> - support for protected/package/private method access as well as public
Using private makes unit testing almost impossible (you need to supply a dependency somehow) and protected makes it harder (subclassing is needed), so IMO public is the right access level.
> - support for public/protected/package/private *field* access (if
> you annotate the field)
I like that I can specify it on the field, but I would still like to keep my public setter.
> - support for non-standard method naming (e.g. @SpringBean someBean
> (Bean bean) will look for "someBean" in the ctx)
Neat :)
> That said, I don't actually use Spring in any of the applications I'm
> developing currently. Anyone game for trying out the latest spring
> support and providing feedback? It'll be in SVN a few minutes after
> I hit send on this email...
I will try it out tomorrow and get back to you with feedback.
/Jeppe
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