/// <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 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>
/// Creates an NMS message of appropriate type for the specified MSMQ
/// message, and convert the message body if specified.
/// </summary>
/// <param name="message">MSMQ message.</param>
/// <param name="convertBody">true if the message body must be
/// converted.</param>
/// <result>NMS message created for retrieving the MSMQ message.</result>
protected virtual BaseMessage CreateNmsMessage(Message message,
bool convertBody)
{
BaseMessage result = null;
if ((int)NMSMessageType.TextMessage == message.AppSpecific)
{
TextMessage textMessage = new TextMessage();
if (convertBody)
{
ConvertTextMessageBodyToNMS(message, textMessage);
}
result = textMessage;
}
else if ((int)NMSMessageType.BytesMessage == message.AppSpecific)
{
BytesMessage bytesMessage = new BytesMessage();
if (convertBody)
{
ConvertBytesMessageBodyToNMS(message, bytesMessage);
}
result = bytesMessage;
}
else if ((int)NMSMessageType.ObjectMessage == message.AppSpecific)
{
ObjectMessage objectMessage = new ObjectMessage();
if (convertBody)
{
ConvertObjectMessageBodyToNMS(message, objectMessage);
}
result = objectMessage;
}
else if ((int)NMSMessageType.MapMessage == message.AppSpecific)
{
MapMessage mapMessage = new MapMessage();
if (convertBody)
{
ConvertMapMessageBodyToNMS(message, mapMessage);
}
result = mapMessage;
}
else if ((int)NMSMessageType.StreamMessage == message.AppSpecific)
{
StreamMessage streamMessage = new StreamMessage();
if (convertBody)
{
ConvertStreamMessageBodyToNMS(message, streamMessage);
}
result = streamMessage;
}
else
{
BaseMessage baseMessage = new BaseMessage();
result = baseMessage;
}
result.ReadOnlyBody = true;
return(result);
}
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);
}
