Ext.Net.ResourceHandler.CheckConfiguration C# (CSharp) Method

        internal static void CheckConfiguration(ISite site)
        {
            if (site == null)
            {
                return;
            }

            IWebApplication app = (IWebApplication)site.GetService(typeof(IWebApplication));

            if (app == null)
            {
                return;
            }

            Configuration config = app.OpenWebConfiguration(false);

            HttpHandlersSection handlers = (HttpHandlersSection)config.GetSection("system.web/httpHandlers");

            // Does the httpHandlers Secton already exist?
            if (handlers == null)
            {
                // If not, add it...
                handlers = new HttpHandlersSection();

                ConfigurationSectionGroup group = config.GetSectionGroup("system.web");

                // Does the system.web Section already exist?
                if (group == null)
                {
                    // If not, add it...
                    config.SectionGroups.Add("system.web", new ConfigurationSectionGroup());
                    group = config.GetSectionGroup("system.web");
                }

                if (group != null)
                {
                    group.Sections.Add("httpHandlers", handlers);
                }
            }

            HttpHandlerAction action = new HttpHandlerAction("*/ext.axd", "Ext.Net.ResourceHandler", "*", false);

            // Does the ResourceHandler already exist?
            if (handlers.Handlers.IndexOf(action) < 0)
            {
                // If not, add it...
                handlers.Handlers.Add(action);
                config.Save();
            }

            HttpModulesSection modules = (HttpModulesSection)config.GetSection("system.web/httpModules");

            // Does the httpModules Secton already exist?
            if (modules == null)
            {
                // If not, add it...
                modules = new HttpModulesSection();

                ConfigurationSectionGroup group = config.GetSectionGroup("system.web");

                // Does the system.web Section already exist?
                if (group == null)
                {
                    // If not, add it...
                    config.SectionGroups.Add("system.web", new ConfigurationSectionGroup());
                    group = config.GetSectionGroup("system.web");
                }

                if (group != null)
                {
                    group.Sections.Add("httpModules", modules);
                }
            }


            //<add name="DirectRequestModule" type="Ext.Net.DirectRequestModule, Ext.Net" />

            HttpModuleAction action2 = new HttpModuleAction("DirectRequestModule", "Ext.Net.DirectRequestModule, Ext.Net");

            // Does the ResourceHandler already exist?
            if (modules.Modules.IndexOf(action2) < 0)
            {
                // If not, add it...
                modules.Modules.Add(action2);
                config.Save();
            }
        }
    }