code: @Override
  	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
  			throws ServletException, IOException {
  		if (!httpAuth.isAllowed(req, resp)) {
  			return;
  		}
  
  		final long start = System.currentTimeMillis();
  		final CollectorController collectorController = new CollectorController(collectorServer);
  		final String application = collectorController.getApplication(req, resp);
  		I18N.bindLocale(req.getLocale());
  		try {
  			if (application == null) {
  				CollectorController.writeOnlyAddApplication(resp);
  				return;
  			}
  			if (!collectorServer.isApplicationDataAvailable(application)
  					&& HttpParameter.ACTION.getParameterFrom(req) == null) {
  				CollectorController.writeDataUnavailableForApplication(application, resp);
  				return;
  			}
  			collectorController.doMonitoring(req, resp, application);
  		} finally {
  			I18N.unbindLocale();
  			if (LOGGER.isDebugEnabled()) {
  				LOGGER.debug("monitoring from " + req.getRemoteAddr() + ", request="
  						+ req.getRequestURI()
  						+ (req.getQueryString() != null ? '?' + req.getQueryString() : "")
  						+ ", application=" + application + " in "
  						+ (System.currentTimeMillis() - start) + "ms");
  			}
  		}
  	}
docs: {@inheritDoc}