public IHttpClientBuilder UseRequestHandler <THandler>(params object[] args)
where THandler : HttpMessageHandler
{
FinalHandlerDef = new HandlerDefinition {
HandlerType = typeof(THandler), CtorArgs = args
};
return(this);
}
public LinkHandler(HandlerDefinition definition, ISettings settings, Git git)
{
_definition = definition;
_settings = settings;
_git = git;
if (definition is PrivateHandlerDefinition privateHandlerDefinition)
{
_server = new RemoteServer(async() => await _settings.GetServersAsync(privateHandlerDefinition.ServerSettingsKey));
}
else
{
_server = new RemoteServer(((PublicHandlerDefinition)definition).Servers);
}
}
/// <summary>
/// Transport has received a message!
/// </summary>
private void m_transport_MessageReceived(object sender, Hl7MessageReceivedEventArgs e)
{
IMessagePersistenceService messagePersister = ApplicationServiceContext.Current.GetService(typeof(IMessagePersistenceService)) as IMessagePersistenceService;
// Find the message that supports the type
Terser msgTerser = new Terser(e.Message);
string messageType = String.Format("{0}^{1}", msgTerser.Get("/MSH-9-1"), msgTerser.Get("/MSH-9-2"));
string messageId = msgTerser.Get("/MSH-10");
// Find a handler
HandlerDefinition handler = m_serviceDefinition.MessageHandlers.Find(o => o.Types.Exists(a => a.Name == messageType)),
defaultHandler = m_serviceDefinition.MessageHandlers.Find(o => o.Types.Exists(a => a.Name == "*"));
if (handler != null && handler.Types.Find(o => o.Name == messageType).IsQuery ||
defaultHandler != null && defaultHandler.Types.Find(o => o.Name == "*").IsQuery)
{
messagePersister = null;
}
// Have we already processed this message?
MessageState msgState = MessageState.New;
if (messagePersister != null)
{
msgState = messagePersister.GetMessageState(messageId);
}
switch (msgState)
{
case MessageState.New:
if (messagePersister != null)
{
messagePersister.PersistMessage(messageId, CreateMessageStream(e.Message));
}
if (handler == null && defaultHandler == null)
{
throw new InvalidOperationException(String.Format("Cannot find message handler for '{0}'", messageType));
}
e.Response = (handler ?? defaultHandler).Handler.HandleMessage(e);
if (e.Response == null)
{
throw new InvalidOperationException("Couldn't process message");
}
msgTerser = new Terser(e.Response);
if (messagePersister != null)
{
messagePersister.PersistResultMessage(msgTerser.Get("/MSH-10"), messageId, CreateMessageStream(e.Response));
}
break;
case MessageState.Active:
throw new InvalidOperationException("Message already in progress");
case MessageState.Complete:
NHapi.Base.Parser.PipeParser pp = new NHapi.Base.Parser.PipeParser();
using (var rdr = new StreamReader(messagePersister.GetMessageResponseMessage(messageId)))
e.Response = pp.Parse(rdr.ReadToEnd());
break;
}
}