directory listing in core protocol

[David Daney]

Ben Tatham wrote:
> Hello All,
> Is it possible to get a directory listing of files from the core 
> protocol?  Currently, I can't even getClass().getResource() to return a 
> valid URL for a directory, but it does work if I specify a file.
> For example, if I have the following in my jar when I compile
> 
> foo
>   - someResource.txt
>   adir
>      - a.txt
>      - b.txt
> 
> I can get an URL for foo/someResource.txt, and I can open an InputStream 
> and get the contents.
> But if I try getClass().getResource("/foo/adir"), I get null.

Resources are not really arranged in a directory structure.  They have 
names with '/' in them and some of the resource methods pre-pend the 
package name, but there is no way to list them out.

David Daney