ServerRequestObservationConvention serverRequestObservationConvention()

in components-starter/camel-micrometer-starter/src/main/java/org/apache/camel/component/micrometer/springboot/MicrometerTagsAutoConfiguration.java [48:89]

35 lines of code
10 McCabe index (conditional complexity)


    ServerRequestObservationConvention serverRequestObservationConvention(Optional<CamelServlet> servlet,
            CamelMetricsConfiguration configuration) {
        return new DefaultServerRequestObservationConvention() {

            @Override
            public KeyValues getLowCardinalityKeyValues(ServerRequestObservationContext context) {
                // here, we just want to have an additional KeyValue to the observation, keeping the default values
                return super.getLowCardinalityKeyValues(context).and(custom(context));
            }

            protected KeyValue custom(ServerRequestObservationContext context) {
                HttpServletRequest request = context.getCarrier();
                String uri = null;
                if (servlet.isPresent() && !configuration.isUriTagDynamic()) {
                    HttpConsumer consumer = servlet.get().getServletResolveConsumerStrategy().resolve(request,
                            servlet.get().getConsumers());
                    if (consumer != null) {
                        uri = consumer.getPath();
                    }
                }

                // the request may not be for camel servlet, so we need to capture uri from request
                if (uri == null || uri.isEmpty()) {
                    // dynamic uri with the actual value from the http request
                    uri = request.getServletPath();
                    if (uri == null || uri.isEmpty()) {
                        uri = request.getPathInfo();
                    } else {
                        String p = request.getPathInfo();
                        if (p != null) {
                            uri = uri + p;
                        }
                    }
                }
                if (uri == null) {
                    uri = "";
                }

                return KeyValue.of("uri", uri);
            }
        };
    }