private ErrorCaptureImpl captureException()

in apm-agent-core/src/main/java/co/elastic/apm/agent/impl/ElasticApmTracer.java [480:525]
40 lines of code
12 McCabe index (conditional complexity)

    private ErrorCaptureImpl captureException(long epochMicros, @Nullable Throwable e, TraceStateImpl<?> parentContext, @Nullable ClassLoader initiatingClassLoader) {
        if (!isRunning() || e == null) {
            return null;
        }

        if (!coreConfiguration.captureExceptionDetails()) {
            return null;
        }

        e = redactExceptionIfRequired(e);

        while (e != null && WildcardMatcher.anyMatch(coreConfiguration.getUnnestExceptions(), e.getClass().getName()) != null) {
            e = e.getCause();
        }

        // note: if we add inheritance support for exception filtering, caching would be required for performance
        if (e != null && !WildcardMatcher.isAnyMatch(coreConfiguration.getIgnoreExceptions(), e.getClass().getName())) {
            ErrorCaptureImpl error = errorPool.createInstance();
            error.withTimestamp(epochMicros);
            error.setException(e);
            TransactionImpl currentTransaction = currentTransaction();
            if (currentTransaction != null) {
                if (currentTransaction.getNameForSerialization().length() > 0) {
                    error.setTransactionName(currentTransaction.getNameForSerialization());
                }
                error.setTransactionType(currentTransaction.getType());
                error.setTransactionSampled(currentTransaction.isSampled());
            }
            AbstractSpanImpl<?> parent = parentContext.getSpan();
            if (parent != null) {
                error.asChildOf(parent);
                // don't discard spans leading up to an error, otherwise they'd point to an invalid parent
                parent.setNonDiscardable();
            } else {
                error.getTraceContext().getId().setToRandomValue();
                ServiceInfo serviceInfo = getServiceInfoForClassLoader(initiatingClassLoader);
                if (serviceInfo != null) {
                    error.getTraceContext().setServiceInfo(serviceInfo.getServiceName(), serviceInfo.getServiceVersion());
                }
            }
            parentContext.getBaggage()
                .storeBaggageInContext(error.getContext(), getConfig(CoreConfigurationImpl.class).getBaggageToAttach());
            return error;
        }
        return null;
    }