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

[pm@xxxxxxxxx (Franz Philipp Moser)]

Walter Harley wrote:

> "Franz Philipp Moser" <pm@xxxxxxxxx> wrote in message 
> news:1862fd296ce16b39d12fd52b781bcbe8$1@xxxxxxxxxxxxxxxxxx
> > 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.

> JDBC drivers are kind of a special case in that the classes they load are 
> not known at compile time and are also not usually available as Eclipse 
> plug-ins.

I was looking for them, but didn't find plugins for jdbc diver, now I know 
why.

> Creating your own URLClassLoader is one possible answer, but 
> "buddy loading" can also be an answer here - it's documented at 
http://wiki.eclipse.org/index.php/Context_Class_Loader_Enhancements#Buddy_Class_Loading 
> and there's a pretty good writeup at 
http://book.javanb.com/eclipse-rich-client-platform-designing-coding-and-packaging-java-applications-oct-2005/ch20lev1sec5.html