finally this looks almost production ready for files where no
directory path needs to be created

Note:compiles, but not yet tested

... that I could only see on my execution environment (I right
now have two envs, a local one where I can compile, but not run
and a remote one where I can do both, but this is a bit less
convenient to use).

now things look much better, also done some prep in order to
support a file cache (we need this for multiple selectors writing
to the same file).

but still pretty ugly. Any java folks out there to help clean it up?