public void doFilter()

in src/main/java/org/apache/sling/tracer/internal/LogTracer.java [317:354]
31 lines of code
7 McCabe index (conditional complexity)

        public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
                             FilterChain filterChain) throws IOException, ServletException {
            SlingHttpServletRequest slingRequest = (SlingHttpServletRequest) servletRequest;
            TracerContext tracerContext = requestContextHolder.get();
            Recording recording = recorder.getRecordingForRequest(slingRequest);
            recording.registerTracker(slingRequest.getRequestProgressTracker());
            boolean createdContext = false;

            //Check if the global filter created context based on HTTP headers. If not
            //then check from request params
            if (tracerContext == null) {
                tracerContext = getTracerContext(slingRequest.getParameter(PARAM_TRACER),
                        slingRequest.getParameter(PARAM_TRACER_CONFIG), recording);
                if (tracerContext != null) {
                    createdContext = true;
                }
            }

            try {
                if (tracerContext != null) {
                    tracerContext.registerProgressTracker(slingRequest.getRequestProgressTracker());

                    //if context created in this filter then enable the collector
                    if (createdContext) {
                        enableCollector(tracerContext);
                    }
                }
                filterChain.doFilter(servletRequest, servletResponse);
            } finally {
                if (tracerContext != null) {
                    tracerContext.done();

                    if (createdContext) {
                        disableCollector();
                    }
                }
            }
        }