public void doPerform()

in src/java/org/apache/turbine/modules/actions/sessionvalidator/TemplateSecureSessionValidator.java [84:148]
44 lines of code
8 McCabe index (conditional complexity)

    public void doPerform(PipelineData pipelineData)
    throws Exception
    {
        RunData data = pipelineData.getRunData();
        // Pull user from session.
        data.populate();

        // The user may have not logged in, so create a "guest/anonymous" user.
        if (data.getUser() == null)
        {
            log.debug("Creating an anonymous user object!");
            User anonymousUser = security.getAnonymousUser();
            data.setUser(anonymousUser);
            data.save();
        }

        // This is the secure session validator, so user must be logged in.
        if (!data.getUser().hasLoggedIn())
        {
            log.debug("User is not logged in!");

            // only set the message if nothing else has already set it
            // (e.g. the LogoutUser action).
            if (StringUtils.isEmpty(data.getMessage()))
            {
                data.setMessage(loginMessage);
            }

            // Set the screen template to the login page.
            log.debug("Sending User to the Login Screen ({})", templateLogin);
            data.getTemplateInfo().setScreenTemplate(templateLogin);

            // We're not doing any actions buddy! (except action.login which
            // will have been performed already)
            data.setAction(null);
        }

        log.debug("Login Check finished!");

        // Make sure we have some way to return a response.
        if (!data.hasScreen() && StringUtils.isEmpty(
                data.getTemplateInfo().getScreenTemplate()))
        {
            if (StringUtils.isNotEmpty(templateHomepage))
            {
                data.getTemplateInfo().setScreenTemplate(templateHomepage);
            }
            else
            {
                data.setScreen(screenHomepage);
            }
        } else {
            handleFormCounterToken(data, false);
        }

        // We do not want to allow both a screen and template parameter.
        // The template parameter is dominant.
        if (data.getTemplateInfo().getScreenTemplate() != null)
        {
            data.setScreen(null);
        }

        // Comply with Turbine 4.0 standards
        pipelineData.get(Turbine.class).put(User.class, data.getUser());
    }