@Override public void doFilter( @Nonnull ServletRequest request, @Nonnull ServletResponse response, @Nonnull FilterChain chain) throws IOException, ServletException { final StopWatch stopWatch = new StopWatch(); request.setAttribute(CURRENT_REQUEST_STOP_WATCH_ATTRIBUTE_NAME, stopWatch); final ScopeMapping globalMapping = _patternToMapping.get(null); final ScopeMapping specificMapping = request instanceof HttpServletRequest ? getMappingFor(((HttpServletRequest) request).getRequestURI()) : null; try { chain.doFilter(request, response); } finally { request.removeAttribute(CURRENT_REQUEST_STOP_WATCH_ATTRIBUTE_NAME); final Duration duration = stopWatch.getCurrentDuration(); final ServletHealthInterceptor interceptor = _interceptor; if (interceptor == null || interceptor.isRecordAllowed(request, globalMapping, specificMapping)) { globalMapping.record(null, duration); if (specificMapping != null) { final String targetName = interceptor != null ? interceptor.getSpecificTargetName(request, specificMapping) : null; specificMapping.record(targetName, duration); } } } }