internal void InternalRegisterMessageHandlers(Assembly assembly, IMessageHandlerConvention messageHandlerConvention)
{
Condition.Requires(assembly, "assembly").IsNotNull();
Condition.Requires(messageHandlerConvention, "messageHandlerLocator").IsNotNull();
Logger.DebugFormat("Scanning assembly '{0}' for message handlers.", assembly);
Logger.DebugFormat("Using message handler convention '{0}'.", messageHandlerConvention);
// Go through all types and all their methods looking for message handlers
foreach (Type handler in assembly.GetTypes())
{
foreach (MethodInfo method in handler.GetMethods())
{
// Only test single-parameter methods for handlers
ParameterInfo[] parameters = method.GetParameters();
if (parameters.Length == 1)
{
Type baseType = parameters[0].ParameterType;
if (messageHandlerConvention.IsMessageHandler(method, baseType))
{
// Go through all other messages that inherit from the handlers message parameter
foreach (Type messageType in GetAllInheritedClasses(baseType))
{
Logger.DebugFormat("Register message handler '{0}' on '{1}' for message type '{2}'.", method.Name, method.DeclaringType, messageType);
MessageHandlerRegistration registration = new MessageHandlerRegistration(messageType, method);
MessageHandlers.Add(registration);
if (!MessageHandlerIndex.ContainsKey(messageType))
{
MessageHandlerIndex.Add(messageType, new List <MessageHandlerRegistration>());
}
MessageHandlerIndex[messageType].Add(registration);
if (!ObjectContainer.HasComponent(method.DeclaringType))
{
ObjectContainer.AddComponent(method.DeclaringType, method.DeclaringType);
}
}
}
}
}
}
}