protected void doFilterInternal()

in Elastiflix/java-favorite-otel-manual/src/main/java/com/movieapi/TracingFilter.java [39:60]

• 19 lines of code
• 2 McCabe index (conditional complexity)

    protected void doFilterInternal(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response, jakarta.servlet.FilterChain filterChain) throws jakarta.servlet.ServletException, IOException {
        Tracer tracer = GlobalOpenTelemetry.getTracer(SERVICE_NAME);

        Context extractedContext = GlobalOpenTelemetry.getPropagators()
                .getTextMapPropagator()
                .extract(Context.current(), request, getter);

        Span span = tracer.spanBuilder(request.getRequestURI())
                .setSpanKind(SpanKind.SERVER)
                .setParent(extractedContext)
                .startSpan();

        try (Scope scope = span.makeCurrent()) {
            filterChain.doFilter(request, response);
            span.setStatus(StatusCode.OK);
        } catch (Exception e) {
            span.setStatus(StatusCode.ERROR);
            throw e;
        } finally {
            span.end();
        }
    }