HttpServletRequest

http://www.atmarkit.co.jp/fjava/javatips/067jspservlet030.html

        System.out.println("req.getContextPath() = " + req.getContextPath());
        System.out.println("req.getServletPath() = " + req.getServletPath());
        System.out.println("req.getPathInfo() = " + req.getPathInfo());
        System.out.println("req.getPathTranslated() = " + req.getPathTranslated());
        System.out.println("req.getRequestURL() = " + req.getRequestURL());
        System.out.println("req.getRequestURI() = " + req.getRequestURI());