[news.eclipse.newcomer] Re: Loading jars dynamic from plugins

[pm@xxxxxxxxx (Franz Philipp Moser)]

Felix Dorner wrote:

> Hey Franz,

> > for example I wan't to "drop in" jdbc drivers, that will be used by the 
> > core app loading them the "normal" way with 
> > Class.forName("com.mysql.jdbc.Driver"). I don't know witch driver the 
> > end user will use so it can be configured and added by installing the 
> > right plugin.

> Maybe something like this would work (but I'm an eclipse newbie, so 
> handle with care):

> Your core plugin would abstract over the different database drivers and 
> only 'talk' the java database interface language. Further, your core 
> defines an extension point where one (or more) driver-plugins can 
> register themselves. Each driver-plugin just wraps (and exports) one or 
> more specific database drivers. The core plugin would be aware of the 
> registered driver plugins and let users choose between them. Note, that 
> the extension point mechanism is 'declarative', which means that your 
> core plugin can create the driver-list without the need to load any 
> driver-plugin class at all. This lazy-loading lemma is used all over in 
> eclipse.

I was thinking of that to but jdbc was just an example. But I will give 
this a try and create my own "jdbc Driver Decorator".

> Felix

Thanks Philipp