[news.eclipse.platform] Re: Extending Folder resource

[Eric Rizzo <eclipse-news@xxxxxxxxxxxx>]

Rahul Kamdar wrote:
> Hi,
>
> I want to extend the org.eclipse.core.internal.resources.Folder to create my 
> own type of a Folder and add to the behavior and some of my own 
> manipulations. When I try to directly extend it, the constructor returns a 
> ClassCastException. Even if I try to cast a folder object to my own custom 
> folder, I get the same ClassCastException.
>
> We cannot extend classes defined under org.eclipse.core.internal.resources, 
> is it? Would you suggest on how to try to the same! :-)

As Ed already said, its futile to try to extend internal classes.
What behavior, specifially, are you wanting to add? Many things can be 
done via extension points.

Eric