AzureWebFarm.Services.IISManager.UpdateApplications C# (CSharp) Method

        private void UpdateApplications(WebSite site, ServerManager serverManager, string siteName, string sitePath, ApplicationPool appPool)
        {
            var iisSites = serverManager.Sites;
            var adminSite = iisSites[AzureRoleEnvironment.RoleWebsiteName()];

            var testApplication = adminSite.Applications.FirstOrDefault(
                app => app.Path.EndsWith("/test/" + siteName, StringComparison.OrdinalIgnoreCase));
            var cdnApplication = adminSite.Applications.FirstOrDefault(
                app => app.Path.EndsWith("/cdn/" + siteName, StringComparison.OrdinalIgnoreCase));

            if (site.EnableTestChildApplication)
            {
                if (testApplication == null)
                {
                    _logger.InfoFormat("Adding Test application for site '{0}'", siteName);
                    testApplication = adminSite.Applications.Add("/test/" + siteName, sitePath);
                    testApplication.ApplicationPoolName = appPool.Name;
                }
            }
            else
            {
                if (testApplication != null)
                {
                    _logger.InfoFormat("Removing Test application for site '{0}'", siteName);
                    adminSite.Applications.Remove(testApplication);
                }
            }

            if (site.EnableCDNChildApplication)
            {
                if (cdnApplication == null)
                {
                    _logger.InfoFormat("Adding CDN application for site '{0}'", siteName);
                    cdnApplication = adminSite.Applications.Add("/cdn/" + siteName, Path.Combine(sitePath, "cdn"));
                    cdnApplication.ApplicationPoolName = appPool.Name;
                }
            }
            else
            {
                if (cdnApplication != null)
                {
                    _logger.InfoFormat("Removing CDN application for site '{0}'", siteName);
                    adminSite.Applications.Remove(cdnApplication);
                }
            }
        }