How can I get real path for file in my WebContent folder?

Question

I need to get real path for file in my WebContent directory, so that framework that I use can access that file. It only takes String file as attribute, so I need to get the

Answer 1

my solve for: ..../webapps/mydir/ (..../webapps/ROOT/../mydir/)

String dir = request.getSession().getServletContext().getRealPath("/")+"/../mydir";
            Files.createDirectories(Paths.get(dir));