public static ScimServerConfiguration WithTypeDefinitions(this ScimServerConfiguration serverConfiguration)
{
var compositionContainer =
new CompositionContainer(
new AggregateCatalog(
new AssemblyCatalog(Assembly.GetExecutingAssembly()),
new AssemblyCatalog(Assembly.GetAssembly(typeof(ScimServerConfiguration))),
new AssemblyCatalog(Assembly.GetAssembly(typeof(ScimUser2)))));
// discover and register all type definitions
var owinScimAssembly = Assembly.GetExecutingAssembly();
var typeDefinitions = compositionContainer.GetExportTypesThatImplement<IScimTypeDefinition>();
foreach (var typeDefinition in typeDefinitions)
{
Type distinctTypeDefinition;
var typeDefinitionTarget = GetTargetDefinitionType(typeDefinition); // the type of object being defined (e.g. User, Group, Name)
if (serverConfiguration.TypeDefinitionRegistry.TryGetValue(typeDefinitionTarget, out distinctTypeDefinition))
{
// already have a definition registered for the target type
// let's favor non-Owin.Scim definitions over built-in defaults
if (distinctTypeDefinition.Assembly == owinScimAssembly && typeDefinition.Assembly != owinScimAssembly)
serverConfiguration.TypeDefinitionRegistry[typeDefinitionTarget] = typeDefinition;
continue;
}
// register type definition
serverConfiguration.TypeDefinitionRegistry[typeDefinitionTarget] = typeDefinition;
}
var enumerator = serverConfiguration.TypeDefinitionRegistry.Values.GetEnumerator();
while (enumerator.MoveNext())
{
// creating type definitions may be expensive due to reflection
// when a type definition is instantiated, it may implicitly instantiate/register other type
// definitions for complex attributes, therefore, no need to re-create the same definition more than once
if (serverConfiguration.ContainsTypeDefinition(enumerator.Current)) continue;
var typeDefinition = (IScimTypeDefinition)enumerator.Current.CreateInstance(serverConfiguration);
serverConfiguration.AddTypeDefiniton(typeDefinition);
}
return serverConfiguration;
}