code: @Override
  	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
  			throws IOException, ServletException {
  		if (!(request instanceof HttpServletRequest) || !(response instanceof HttpServletResponse)
  				|| monitoringDisabled || !instanceEnabled) {
  			// si ce n'est pas une requête http ou si le monitoring est désactivé, on fait suivre
  			chain.doFilter(request, response);
  			return;
  		}
  		final HttpServletRequest httpRequest = (HttpServletRequest) request;
  		final HttpServletResponse httpResponse = (HttpServletResponse) response;
  
  		if (httpRequest.getRequestURI().equals(getMonitoringUrl(httpRequest))) {
  			doMonitoring(httpRequest, httpResponse);
  			return;
  		}
  		if (!httpCounter.isDisplayed() || isRequestExcluded((HttpServletRequest) request)) {
  			// si cette url est exclue ou si le counter http est désactivé, on ne monitore pas cette requête http
  			chain.doFilter(request, response);
  			return;
  		}
  
  		doFilter(chain, httpRequest, httpResponse);
  	}
docs: {@inheritDoc}