public HealthIndicator camelHealthCheckIndicator()

in core/camel-spring-boot/src/main/java/org/apache/camel/spring/boot/actuate/health/CamelHealthCheckAutoConfiguration.java [53:139]
75 lines of code
26 McCabe index (conditional complexity)

        public HealthIndicator camelHealthCheckIndicator(ApplicationContext applicationContext,
                                                         CamelContext camelContext, CamelHealthCheckConfigurationProperties config) {
            if (config != null && config.getEnabled() != null && !config.getEnabled()) {
                // health check is disabled
                return null;
            }
            if (config == null) {
                config = new CamelHealthCheckConfigurationProperties();
            }

            // auto-detect camel-health on classpath
            HealthCheckRegistry hcr = camelContext.getCamelContextExtension().getContextPlugin(HealthCheckRegistry.class);
            if (hcr == null) {
                if (config.getEnabled() != null && config.getEnabled()) {
                    LOG.warn("Cannot find HealthCheckRegistry from classpath. Add camel-health to classpath.");
                }
                return null;
            }
            // lets signal we are integrated with spring boot
            hcr.setId("camel-spring-boot");

            if (config.getEnabled() != null) {
                hcr.setEnabled(config.getEnabled());
            }
            if (config.getExcludePattern() != null) {
                hcr.setExcludePattern(config.getExcludePattern());
            }
            if (config.getExposureLevel() != null) {
                hcr.setExposureLevel(config.getExposureLevel());
            }
            if (config.getInitialState() != null) {
                hcr.setInitialState(camelContext.getTypeConverter().convertTo(HealthCheck.State.class, config.getInitialState()));
            }

            // context is enabled by default
            if (hcr.isEnabled()) {
                HealthCheck hc = (HealthCheck) hcr.resolveById("context");
                if (hc != null) {
                    hcr.register(hc);
                }
            }
            // routes are enabled by default
            if (hcr.isEnabled()) {
                HealthCheckRepository hc = hcr.getRepository("routes").orElse((HealthCheckRepository) hcr.resolveById("routes"));
                if (hc != null) {
                    if (config.getRoutesEnabled() != null) {
                        hc.setEnabled(config.getRoutesEnabled());
                    }
                    hcr.register(hc);
                }
            }
            // producers are disabled by default
            if (hcr.isEnabled()) {
                HealthCheckRepository hc
                    = hcr.getRepository("producers").orElse((HealthCheckRepository) hcr.resolveById("producers"));
                if (hc != null) {
                    if (config.getProducersEnabled() != null) {
                        hc.setEnabled(config.getProducersEnabled());
                    }
                    hcr.register(hc);
                }
            }
            // consumers are enabled by default
            if (hcr.isEnabled()) {
                HealthCheckRepository hc
                        = hcr.getRepository("consumers").orElse((HealthCheckRepository) hcr.resolveById("consumers"));
                if (hc != null) {
                    if (config.getConsumersEnabled() != null) {
                        hc.setEnabled(config.getConsumersEnabled());
                    }
                    hcr.register(hc);
                }
            }
            // registry are enabled by default
            if (hcr.isEnabled()) {
                HealthCheckRepository hc
                        = hcr.getRepository("registry").orElse((HealthCheckRepository) hcr.resolveById("registry"));
                if (hc != null) {
                    if (config.getRegistryEnabled() != null) {
                        hc.setEnabled(config.getRegistryEnabled());
                    }
                    hcr.register(hc);
                }
            }

            return new CamelHealthCheckIndicator(applicationContext, camelContext, config.getExposureLevel());
        }