NoopServletFilter.java

NoopServletFilter.java

@WebFilter("/*")
public class NoopServletFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        // empty
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
            throws IOException, ServletException {

        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;

        if (request.getRequestURI().matches("^.*/rfRes/bla.css$")) {
            response.setStatus(204);
            response.flushBuffer();
        } else {
            filterChain.doFilter(request, response);
        }

    }

    @Override
    public void destroy() {
        // empty    
    }

}