||The applet itself.
||Some application specific exceptions.
||This package allows you to change the file relative behaviour: this page describes how to override the
default behaviour, to fullfill your needs (for instance add data compression, preload check, new data
about files in the upload to the server..
||Implementation of caching and special algorithms for various file types.
||This package contains the upload policies: they give you hook entry points, to override the default applet behaviour
with a minimum of java code.
||This package contains the code that actually executes the upload (see below for a full description of the way the upload
is executed in the JUpload code).