public void SetSuccessor(IRegistrationLinkHandler handler)
{
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
_successor = handler;
}
public LinkFactory(
ILinkBuilderFactory linkBuilderFactory,
IAuthorizationProvider authorizationProvider,
IArgumentProcessor idFromExpressionProcessor,
IArgumentProcessor argumentsDefinitionsProcessor,
IArgumentProcessor templateArgumentsProcessor,
params IRegistrationLinkHandler[] handlers)
{
_linkBuilderFactory = linkBuilderFactory;
_authorizationProvider = authorizationProvider;
_idFromExpressionProcessor = idFromExpressionProcessor;
_argumentsDefinitionsProcessor = argumentsDefinitionsProcessor;
_templateArgumentsProcessor = templateArgumentsProcessor;
_handlerChain = (handlers.Length > 0 ? handlers : DefaultHandlers).CreateChain();
}
public static IRegistrationLinkHandler CreateChain(this System.Collections.Generic.IEnumerable <IRegistrationLinkHandler> source)
{
IRegistrationLinkHandler root = null;
IRegistrationLinkHandler predecessor = null;
foreach (var handler in source)
{
// set root
if (root == null)
{
root = handler;
}
// set successor (if predecessor)
predecessor?.SetSuccessor(handler);
// set next predecessor
predecessor = handler;
}
return(root);
}