private Servlet resolveServletInternal()

in src/main/java/org/apache/sling/servlets/resolver/internal/SlingServletResolver.java [449:496]
43 lines of code
14 McCabe index (conditional complexity)

    private Servlet resolveServletInternal(final SlingHttpServletRequest request,
            final Resource resource,
            final String scriptNameOrResourceType,
            final ResourceResolver resolver) {
        Servlet servlet = null;

        // first check whether the type of a resource is the absolute
        // path of a servlet (or script)
        if (scriptNameOrResourceType.charAt(0) == '/') {
            final String scriptPath = ResourceUtil.normalize(scriptNameOrResourceType);
            if (scriptPath != null &&  isPathAllowed(scriptPath, this.executionPaths.get()) ) {
                final Resource res = AbstractResourceCollector.getResourceOrNull(resolver,scriptPath,useResourceCaching);
                servlet = this.getServlet(res);
                if (servlet != null && !pathBasedServletAcceptor.accept(request, servlet)) {
                    if(LOGGER.isDebugEnabled()) {
                        LOGGER.debug("Servlet {} rejected by {} returning FORBIDDEN status", RequestUtil.getServletName(servlet),
                        pathBasedServletAcceptor.getClass().getSimpleName());
                    }
                    servlet = forbiddenPathServlet;
                } else if (servlet != null && LOGGER.isDebugEnabled()) {
                    LOGGER.debug("Servlet {} found using absolute resource type {}", RequestUtil.getServletName(servlet),
                                    scriptNameOrResourceType);
                }
            } else {
                if ( request != null ) {
                    request.getRequestProgressTracker().log(
                            "Will not look for a servlet at {0} as it is not in the list of allowed paths",
                            scriptNameOrResourceType
                            );
                }
            }
        }
        if ( servlet == null ) {
            // the resource type is not absolute, so lets go for the deep search
            final AbstractResourceCollector locationUtil;
            if ( request != null ) {
                locationUtil = ResourceCollector.create(request, this.executionPaths.get(), this.defaultExtensions.get(), this.useResourceCaching);
            } else {
                locationUtil = NamedScriptResourceCollector.create(scriptNameOrResourceType, resource, this.executionPaths.get(), this.useResourceCaching);
            }
            servlet = getServletInternal(locationUtil, request, resolver);

            if (servlet != null && LOGGER.isDebugEnabled()) {
                LOGGER.debug("getServletInternal returns servlet {}", RequestUtil.getServletName(servlet));
            }
        }
        return servlet;
    }