public void handleEvent()

in appender/prometheus/src/main/java/org/apache/karaf/decanter/appender/prometheus/PrometheusServlet.java [67:103]
37 lines of code
17 McCabe index (conditional complexity)

    public void handleEvent(Event event) {
        for (String property : event.getPropertyNames()) {
            if (!filtered || (filtered && config.get("prometheus.key." + property) != null)) {
                if (event.getProperty(property) instanceof Map) {
                    Map<String, Object> map = (Map) event.getProperty(property);
                    for (Map.Entry<String, Object> entry : map.entrySet()) {
                        if (entry.getValue() instanceof Long || entry.getValue() instanceof Integer) {
                            String convertedProperty = (property + "." + entry.getKey()).replace(".", "_");
                            Gauge gauge = gauges.get(convertedProperty);
                            if (gauge == null) {
                                gauge = Gauge.build().name(convertedProperty).help(property + "." + entry.getKey()).register();
                                gauges.put(convertedProperty, gauge);
                            }
                            if (entry.getValue() instanceof Long) {
                                gauge.set((Long) entry.getValue());
                            } else if (entry.getValue() instanceof Integer) {
                                gauge.set((Integer) entry.getValue());
                            }
                        }
                    }
                }
                if (event.getProperty(property) instanceof Long || event.getProperty(property) instanceof Integer) {
                    String convertedProperty = property.replace(".", "_");
                    Gauge gauge = gauges.get(convertedProperty);
                    if (gauge == null) {
                        gauge = Gauge.build().name(convertedProperty).help(property).register();
                        gauges.put(convertedProperty, gauge);
                    }
                    if (event.getProperty(property) instanceof Long) {
                        gauge.set((Long) event.getProperty(property));
                    } else if (event.getProperty(property) instanceof Integer) {
                        gauge.set((Integer) event.getProperty(property));
                    }
                }
            }
        }
    }