public void NoReplyToAndNoDefault()
{
QueueChannel requestChannel = new QueueChannel();
StartBackgroundReplier(requestChannel);
ChannelPublishingJmsMessageListener listener = new ChannelPublishingJmsMessageListener();
listener.ExpectReply = true;
listener.RequestChannel = requestChannel;
listener.MessageConverter = new TestMessageConverter();
Apache.NMS.IMessage nmsMessage = session.CreateTextMessage("test");
listener.AfterPropertiesSet();
listener.OnMessage(nmsMessage, session);
}
/// <summary>
/// Determine the reply destination for the given message
/// </summary>
/// <remarks>
/// This implementation first checks the NMS ReplyTo Destination of the supplied request message; if that is
/// not null, it is returned; if it is null, then the return value of <see cref="ResolveDefaultReplyDestination"/>
/// is returned; ift his too is null, then an <see cref="InvalidDestinationException"/> if thrown
/// </remarks>
/// <param name="request">The original incoming NMS message.</param>
/// <param name="session">The NMS session to operate on.</param>
/// <returns>The reply destination (never null).</returns>
/// <exception cref="InvalidDestinationException">If no <see cref="IDestination"/> can be determined.
/// </exception>
/// <seealso cref="DefaultReplyDestination"/>
private IDestination GetReplyDestination(Apache.NMS.IMessage request, Apache.NMS.ISession session)
{
IDestination replyTo = request.NMSReplyTo;
if (replyTo == null)
{
replyTo = ResolveDefaultReplyDestination(session);
if (replyTo == null)
{
throw new InvalidDestinationException("Cannot determine reply destination: " +
"Request message does not contain reply-to destination, and no default reply destination set.");
}
}
return(replyTo);
}
public void OnMessage(IMessage nmsMessage, ISession session)
{
object obj = messageConverter.FromMessage(nmsMessage);
Spring.Integration.Core.IMessage requestMessage = obj as Spring.Integration.Core.IMessage;
if (requestMessage == null)
{
requestMessage = MessageBuilder.WithPayload(obj).Build();
}
if (!expectReply)
{
bool sent = channelTemplate.Send(requestMessage);
if (!sent)
{
throw new MessageDeliveryException(requestMessage, "failed to send Message to request channel");
}
}
else
{
Spring.Integration.Core.IMessage replyMessage = channelTemplate.SendAndReceive(requestMessage);
if (replyMessage != null)
{
IDestination destination = GetReplyDestination(nmsMessage, session);
Apache.NMS.IMessage nmsReply = messageConverter.ToMessage(replyMessage, session);
if (nmsReply.NMSCorrelationID != null)
{
nmsReply.NMSCorrelationID = nmsMessage.NMSMessageId;
}
Apache.NMS.IMessageProducer producer = session.CreateProducer(destination);
try
{
producer.Send(nmsReply);
} finally
{
producer.Close();
}
}
}
}
