protected internal virtual void SendMessage(IMessage messageArg)
{
var message = messageArg;
if (message == null)
{
throw new MessagingException("cannot send a null message");
}
try
{
if (OutputChannel == null)
{
throw new InvalidOperationException("The 'outputChannel' or `outputChannelName` must be configured");
}
_messagingTemplate.Send(OutputChannel, message);
}
catch (Exception e)
{
if (!SendErrorMessageIfNecessary(message, e))
{
throw;
}
}
}
public bool HandleError(Exception exception)
{
var errorChannel = ResolveErrorChannel(exception);
var sent = false;
if (errorChannel != null)
{
try
{
MessagingTemplate.Send(errorChannel, ErrorMessageStrategy.BuildErrorMessage(exception, null));
sent = true;
}
catch (Exception errorDeliveryError)
{
_logger?.LogWarning("Error message was not delivered.", errorDeliveryError);
}
}
if (!sent)
{
var failedMessage = (exception is MessagingException) ? ((MessagingException)exception).FailedMessage : null;
if (failedMessage != null)
{
_logger?.LogError("failure occurred in messaging task with message: " + failedMessage, exception);
}
else
{
_logger?.LogError("failure occurred in messaging task", exception);
}
}
return(sent);
}
protected virtual void SendOutput(object output, object replyChannelArg, bool useArgChannel)
{
var replyChannel = replyChannelArg;
var outChannel = OutputChannel;
if (!useArgChannel && outChannel != null)
{
replyChannel = outChannel;
}
if (replyChannel == null)
{
throw new DestinationResolutionException("no output-channel or replyChannel header available");
}
var outputAsMessage = output as IMessage;
if (replyChannel is IMessageChannel)
{
if (outputAsMessage != null)
{
_messagingTemplate.Send((IMessageChannel)replyChannel, outputAsMessage);
}
else
{
_messagingTemplate.ConvertAndSend((IMessageChannel)replyChannel, output);
}
}
else if (replyChannel is string)
{
if (outputAsMessage != null)
{
_messagingTemplate.Send((string)replyChannel, outputAsMessage);
}
else
{
_messagingTemplate.ConvertAndSend((string)replyChannel, output);
}
}
else
{
throw new MessagingException("replyChannel must be a IMessageChannel or String");
}
}
protected internal virtual void SendMessage(IMessage messageArg)
{
var message = messageArg;
if (message == null)
{
throw new MessagingException("cannot send a null message");
}
try
{
_messagingTemplate.Send(OutputChannel, message);
}
catch (Exception e)
{
if (!SendErrorMessageIfNecessary(message, e))
{
throw;
}
}
}