private void dispatch()

in src/main/java/org/apache/sling/engine/impl/request/SlingRequestDispatcher.java [154:203]
37 lines of code
6 McCabe index (conditional complexity)

    private void dispatch(final ServletRequest request, final ServletResponse response,
            final DispatchingInfo dispatchingInfo) throws ServletException, IOException {
        SlingHttpServletRequest cRequest = RequestData.unwrap(request);
        RequestData rd = RequestData.getRequestData(cRequest);
        String absPath = getAbsolutePath(cRequest, path);
        RequestProgressTracker requestProgressTracker = cRequest.getRequestProgressTracker();

        // if the response is not an HttpServletResponse, fail gracefully not
        // doing anything
        if (!(response instanceof HttpServletResponse)) {
            log.error("include: Failed to include {}, response has wrong type",
                absPath);
            return;
        }

        if (resource == null) {
            String timerName = "resolveIncludedResource(" + absPath + ")";
            requestProgressTracker.startTimer(timerName);

            // resolve the absolute path in the resource resolver, using
            // only those parts of the path as if it would be request path
            resource = cRequest.getResourceResolver().resolve(absPath);

            // if the resource could not be resolved, fail gracefully
            if (resource == null) {
                log.error(
                    "include: Could not resolve {} to a resource, not including",
                    absPath);
                return;
            }

            requestProgressTracker.logTimer(timerName,
                    "path={0} resolves to Resource={1}",
                    absPath, resource);
        }

        // ensure request path info and optional merges
        SlingRequestPathInfo info = getMergedRequestPathInfo(cRequest);
        requestProgressTracker.log(
            "Including resource {0} ({1})", resource, info);
        if (dispatchingInfo.getType() == DispatcherType.INCLUDE) {
            final boolean protectHeaders = this.options != null ?
                Boolean.parseBoolean(this.options.getOrDefault(RequestDispatcherOptions.OPT_PROTECT_HEADERS_ON_INCLUDE, String.valueOf(this.protectHeadersOnInclude)))
                : this.protectHeadersOnInclude;
            dispatchingInfo.setProtectHeadersOnInclude(protectHeaders);
            dispatchingInfo.setCheckContentTypeOnInclude(this.checkContentTypeOnInclude);
        }

        rd.getSlingRequestProcessor().dispatchRequest(request, response, resource, info, dispatchingInfo);
    }