public virtual IMessage ToNmsMessage(Message message)
{
BaseMessage answer = CreateNmsMessage(message);
// Get the NMS meta data from the extension area
PrimitiveMap metaData = PrimitiveMap.Unmarshal(message.Extension);
try
{
answer.NMSMessageId = message.Id;
answer.NMSCorrelationID = metaData.GetString("NMSCorrelationID");
answer.NMSDeliveryMode = (message.Recoverable ? MsgDeliveryMode.Persistent : MsgDeliveryMode.NonPersistent);
answer.NMSDestination = ToNmsDestination(message.DestinationQueue);
}
catch (InvalidOperationException)
{
}
try
{
answer.NMSType = message.Label;
answer.NMSReplyTo = ToNmsDestination(message.ResponseQueue);
answer.NMSTimeToLive = message.TimeToBeReceived;
}
catch (InvalidOperationException)
{
}
return(answer);
}
public virtual Message ToMsmqMessage(IMessage message)
{
Message msmqMessage = new Message();
PrimitiveMap metaData = new PrimitiveMap();
ConvertMessageBodyToMSMQ(message, msmqMessage);
if (message.NMSTimeToLive != TimeSpan.Zero)
{
msmqMessage.TimeToBeReceived = message.NMSTimeToLive;
}
if (message.NMSCorrelationID != null)
{
metaData.SetString("NMSCorrelationID", message.NMSCorrelationID);
}
msmqMessage.Recoverable = (message.NMSDeliveryMode == MsgDeliveryMode.Persistent);
msmqMessage.Priority = ToMessagePriority(message.NMSPriority);
msmqMessage.ResponseQueue = ToMsmqDestination(message.NMSReplyTo);
if (message.NMSType != null)
{
msmqMessage.Label = message.NMSType;
}
// Store the NMS meta data in the extension area
msmqMessage.Extension = metaData.Marshal();
return(msmqMessage);
}
/// <summary>
/// Converts an MSMQ message body to the equivalent NMS map message
/// body.
/// </summary>
/// <param name="message">Source MSMQ message.</param>
/// <param name="answer">Target NMS map message.</param>
public virtual void ConvertMapMessageBodyToNMS(Message message,
MapMessage answer)
{
byte[] buf = null;
if (message.BodyStream != null && message.BodyStream.Length > 0)
{
buf = new byte[message.BodyStream.Length];
message.BodyStream.Read(buf, 0, buf.Length);
}
answer.Body = PrimitiveMap.Unmarshal(buf);
}
/// <summary>
/// Converts the specified NMS message to an equivalent MSMQ message.
/// </summary>
/// <param name="message">NMS message to be converted.</param>
/// <result>Converted MSMQ message.</result>
public virtual Message ToMsmqMessage(IMessage message)
{
Message msmqMessage = new Message();
PrimitiveMap propertyData = new PrimitiveMap();
ConvertMessageBodyToMSMQ(message, msmqMessage);
if (message.NMSTimeToLive != TimeSpan.Zero)
{
msmqMessage.TimeToBeReceived = message.NMSTimeToLive;
}
if (message.NMSCorrelationID != null)
{
propertyData.SetString("NMSCorrelationID", message.NMSCorrelationID);
}
msmqMessage.Recoverable = (message.NMSDeliveryMode == MsgDeliveryMode.Persistent);
msmqMessage.Priority = ToMsmqMessagePriority(message.NMSPriority);
msmqMessage.ResponseQueue = ToMsmqDestination(message.NMSReplyTo);
if (message.NMSType != null)
{
if (SetLabelAsNMSType)
{
propertyData.SetString("NMSType", message.NMSType);
}
else
{
msmqMessage.Label = message.NMSType;
}
}
// Populate property data
foreach (object keyObject in message.Properties.Keys)
{
string key = (keyObject as string);
object val = message.Properties[key];
if (!SetLabelAsNMSType && string.Compare(key, "Label", true) == 0 && val != null)
{
msmqMessage.Label = val.ToString();
}
else
{
propertyData[key] = val;
}
}
// Store the NMS property data in the extension area
msmqMessage.Extension = propertyData.Marshal();
return(msmqMessage);
}
/// <summary>
/// Converts an NMS message body to the equivalent MSMQ message body.
/// </summary>
/// <param name="message">Source NMS message.</param>
/// <param name="answer">Target MSMQ message.</param>
protected virtual void ConvertMessageBodyToMSMQ(IMessage message, Message answer)
{
if (message is TextMessage)
{
TextMessage textMessage = message as TextMessage;
byte[] buf = Encoding.UTF32.GetBytes(textMessage.Text);
answer.BodyStream.Write(buf, 0, buf.Length);
answer.AppSpecific = (int)NMSMessageType.TextMessage;
}
else if (message is BytesMessage)
{
BytesMessage bytesMessage = message as BytesMessage;
bytesMessage.Reset();
answer.BodyStream.Write(bytesMessage.Content, 0, bytesMessage.Content.Length);
answer.AppSpecific = (int)NMSMessageType.BytesMessage;
}
else if (message is ObjectMessage)
{
ObjectMessage objectMessage = message as ObjectMessage;
answer.Body = objectMessage.Body;
answer.AppSpecific = (int)NMSMessageType.ObjectMessage;
}
else if (message is MapMessage)
{
MapMessage mapMessage = message as MapMessage;
PrimitiveMap mapBody = mapMessage.Body as PrimitiveMap;
byte[] buf = mapBody.Marshal();
answer.BodyStream.Write(buf, 0, buf.Length);
answer.AppSpecific = (int)NMSMessageType.MapMessage;
}
else if (message is StreamMessage)
{
StreamMessage streamMessage = message as StreamMessage;
answer.AppSpecific = (int)NMSMessageType.StreamMessage;
// TODO: Implement
}
else if (message is BaseMessage)
{
answer.AppSpecific = (int)NMSMessageType.BaseMessage;
}
else
{
throw new Exception("unhandled message type");
}
}
/// <summary>
/// Converts the specified MSMQ message to an equivalent NMS message.
/// </summary>
/// <param name="message">MSMQ message to be converted.</param>
/// <param name="convertBody">true if message body should be converted.</param>
/// <result>Converted NMS message.</result>
public virtual IMessage ToNmsMessage(Message message, bool convertBody)
{
BaseMessage answer = CreateNmsMessage(message, convertBody);
// Get the NMS property data from the extension area
PrimitiveMap propertyData = PrimitiveMap.Unmarshal(message.Extension);
try
{
answer.NMSMessageId = message.Id;
answer.NMSCorrelationID = propertyData.GetString("NMSCorrelationID");
answer.NMSDeliveryMode = (message.Recoverable ? MsgDeliveryMode.Persistent : MsgDeliveryMode.NonPersistent);
answer.NMSDestination = ToNmsDestination(message.DestinationQueue);
}
catch (InvalidOperationException)
{
}
try
{
answer.NMSReplyTo = ToNmsDestination(message.ResponseQueue);
answer.NMSTimeToLive = message.TimeToBeReceived;
answer.NMSPriority = ToNmsMsgPriority(message.Priority);
}
catch (InvalidOperationException)
{
}
try
{
if (message.Label != null)
{
if (SetLabelAsNMSType)
{
answer.NMSType = message.Label;
}
else
{
answer.Properties["Label"] = message.Label;
}
}
answer.Properties["LookupId"] = message.LookupId;
}
catch (InvalidOperationException)
{
}
foreach (object keyObject in propertyData.Keys)
{
try
{
string key = (keyObject as string);
if (string.Compare(key, "NMSType", true) == 0)
{
answer.NMSType = propertyData.GetString(key);
}
else if (string.Compare(key, "NMSCorrelationID", true) == 0)
{
answer.NMSCorrelationID = propertyData.GetString("NMSCorrelationID");
}
else
{
answer.Properties[key] = propertyData[key];
}
}
catch (InvalidOperationException)
{
}
}
return(answer);
}
protected virtual BaseMessage CreateNmsMessage(Message message)
{
BaseMessage result = null;
if ((int)NMSMessageType.TextMessage == message.AppSpecific)
{
TextMessage textMessage = new TextMessage();
string content = String.Empty;
if (message.BodyStream != null && message.BodyStream.Length > 0)
{
byte[] buf = null;
buf = new byte[message.BodyStream.Length];
message.BodyStream.Read(buf, 0, buf.Length);
content = Encoding.UTF32.GetString(buf);
}
textMessage.Text = content;
result = textMessage;
}
else if ((int)NMSMessageType.BytesMessage == message.AppSpecific)
{
byte[] buf = null;
if (message.BodyStream != null && message.BodyStream.Length > 0)
{
buf = new byte[message.BodyStream.Length];
message.BodyStream.Read(buf, 0, buf.Length);
}
BytesMessage bytesMessage = new BytesMessage();
bytesMessage.Content = buf;
result = bytesMessage;
}
else if ((int)NMSMessageType.ObjectMessage == message.AppSpecific)
{
ObjectMessage objectMessage = new ObjectMessage();
objectMessage.Body = message.Body;
result = objectMessage;
}
else if ((int)NMSMessageType.MapMessage == message.AppSpecific)
{
byte[] buf = null;
if (message.BodyStream != null && message.BodyStream.Length > 0)
{
buf = new byte[message.BodyStream.Length];
message.BodyStream.Read(buf, 0, buf.Length);
}
MapMessage mapMessage = new MapMessage();
mapMessage.Body = PrimitiveMap.Unmarshal(buf);
result = mapMessage;
}
else if ((int)NMSMessageType.StreamMessage == message.AppSpecific)
{
StreamMessage streamMessage = new StreamMessage();
// TODO: Implement
result = streamMessage;
}
else
{
BaseMessage baseMessage = new BaseMessage();
result = baseMessage;
}
return(result);
}
