/// <summary>
/// Constructs a new DefaultServiceProviderHostFactory and ensures the app is initialized
/// </summary>
public DefaultServiceProviderHostFactory()
{
if (DI.DefaultServiceProvider != null)
{
return;
}
const string CfgAppInit = "xomfwk:AppInitializer";
Type initType = AppInitializer.GetType(ConfigurationManager.AppSettings[CfgAppInit]);
if (initType == null)
{
throw new ApplicationException("Cannot instantiate DI application initializer. Make sure you set the "
+ CfgAppInit + " config to a subclass of the AppInitalizer with a default constructor.");
}
AppInitializer.Initalize(Activator.CreateInstance(initType) as AppInitializer);
}
/// <summary>
/// Registers WCF services type mappings from the given configuration excluding specified endpoints if needed.
/// </summary>
public static IServiceCollection AddWcfServices(this IServiceCollection container, ContextInformation ctx, Func <ServiceEndpointElement, bool> exclEndpoints)
{
string servicesPath = "system.serviceModel/services";
ServicesSection services = (ServicesSection)(ctx != null ? ctx.GetSection(servicesPath) : ConfigurationManager.GetSection(servicesPath));
foreach (ServiceElement service in services.Services)
{
Type serviceType = AppInitializer.GetType(service.Name);
if (serviceType == null)
{
continue;
}
foreach (ServiceEndpointElement endpoint in service.Endpoints)
{
Type contractType = AppInitializer.GetType(endpoint.Contract);
if (contractType == null || endpoint.IsSystemEndpoint || exclEndpoints != null && exclEndpoints(endpoint))
{
continue;
}
container.AddScoped(contractType, serviceType);
}
}
return(container);
}
/// <summary>
/// Registers WCF client type mappings from the given configuration excluding specified endpoints if needed.
/// </summary>
public static IServiceCollection AddWcfClientServices(this IServiceCollection container, Func <SecurityToken> tokenProvider,
ContextInformation ctx, Func <ChannelEndpointElement, bool> exclEndpoints)
{
string clientPath = "system.serviceModel/client";
ClientSection client = (ClientSection)(ctx != null ? ctx.GetSection(clientPath) : ConfigurationManager.GetSection(clientPath));
foreach (ChannelEndpointElement endpoint in client.Endpoints)
{
if (endpoint.Name == null || endpoint.Contract == null || exclEndpoints != null && exclEndpoints(endpoint))
{
continue;
}
Type contractType = AppInitializer.GetType(endpoint.Contract);
Type factoryType = ctx != null ?
typeof(ConfigurationChannelFactory <>).MakeGenericType(contractType) :
typeof(ChannelFactory <>).MakeGenericType(contractType);
container.AddSingleton(factoryType, sp => ctx == null ? Activator.CreateInstance(factoryType, endpoint.Name) :
Activator.CreateInstance(factoryType, endpoint.Name, ctx, null));
container.AddScoped(contractType, sp => tokenProvider != null ? factoryType.InvokeMember("CreateChannelWithIssuedToken",
BindingFlags.InvokeMethod, null, sp.GetService(factoryType), new object[] { tokenProvider() }) :
factoryType.InvokeMember("CreateChannel", BindingFlags.InvokeMethod, null, sp.GetService(factoryType), new object[] { }));
}
return(container);
}
