var setting = webApp.IisSettings.Where(x => x.Value.ServerComment == webApp.Name)
                    .Select(x => x.Value)
                    .FirstOrDefault();

                if(setting != null)
                {
                    try
                    {
                        if (!File.Exists(setting.Path.FullName + @"\eo_web.ashx"))
                        {
                            File.Copy(SPUtility.GetGenericSetupPath(@"TEMPLATE\Layouts\EDIS\eo_web.ashx"), setting.Path.FullName + @"\eo_web.ashx", true);
                        }

                        if (!File.Exists(setting.Path.FullName + @"\eo_web.licx"))
                        {
                            File.Copy(SPUtility.GetGenericSetupPath(@"TEMPLATE\Features\EDIS Core Components\eo_web.licx"), setting.Path.FullName + @"\eo_web.licx", true);
                        }
                    }
                    catch (Exception ex)
                    {
                        throw new SPException(ex.Message, ex);
                    }
                }