private boolean getResolver()

in src/main/java/org/apache/sling/auth/core/impl/SlingAuthenticator.java [718:787]
44 lines of code
11 McCabe index (conditional complexity)

    private boolean getResolver(final HttpServletRequest request,
            final HttpServletResponse response,
            final AuthenticationInfo authInfo) {

        // prepare the feedback handler
        final AuthenticationFeedbackHandler feedbackHandler = (AuthenticationFeedbackHandler) authInfo.remove(AUTH_INFO_PROP_FEEDBACK_HANDLER);
        final Object sendLoginEvent = authInfo.remove(AuthConstants.AUTH_INFO_LOGIN);

        // try to connect
        try {
            handleImpersonation(request, authInfo);
            handlePasswordChange(request, authInfo);
            ResourceResolver resolver = resourceResolverFactory.getResourceResolver(authInfo);
            final boolean impersChanged = setSudoCookie(request, response, authInfo);

            if (sendLoginEvent != null) {
                postLoginEvent(request, authInfo);
            }

            // provide the resource resolver to the feedback handler
            request.setAttribute(REQUEST_ATTRIBUTE_RESOLVER, resolver);

            boolean processRequest = true;

            // custom feedback handler with option to redirect
            if (feedbackHandler != null) {
                processRequest = !feedbackHandler.authenticationSucceeded(request, response, authInfo);
            }

            if (processRequest) {
                if (AuthUtil.isValidateRequest(request)) {
                    AuthUtil.sendValid(response);
                    processRequest = false;
                } else if (impersChanged || feedbackHandler == null) {
                    processRequest = !DefaultAuthenticationFeedbackHandler.handleRedirect(request, response);
                }
            }

            if (processRequest) {
                // process: set required attributes
                setAttributes(resolver, authInfo.getAuthType(), request);
            } else {
                // terminate: cleanup
                resolver.close();
            }

            return processRequest;

        } catch (LoginException re) {
            postLoginFailedEvent(request, authInfo, re);

            // handle failure feedback before proceeding to handling the
            // failed login internally
            if (feedbackHandler != null) {
                feedbackHandler.authenticationFailed(request, response,
                    authInfo);
            }

            // now find a way to get credentials unless the feedback handler
            // has committed a response to the client already
            if (!response.isCommitted()) {
                return handleLoginFailure(request, response, authInfo, re);
            }

        }

        // end request
        return false;

    }