/// <summary>
/// (1) Gets the file from the sftp host
/// (2) Creates a IBaseMessage
/// (3) Sets varius properties such as uri, messagepart, transporttype etc
/// (4) Adds the message to the batch
/// </summary>
/// <param name="fileName"></param>
/// <param name="uri"></param>
/// <param name="size"></param>
/// <param name="afterGetAction"></param>
/// <param name="afterGetFilename"></param>
/// <returns></returns>
internal IBaseMessage CreateMessage(string fileName, string uri, long size,
SftpReceiveProperties.AfterGetActions afterGetAction, string afterGetFilename)
{
try
{
TraceMessage("[SftpReceiverEndpoint] Reading file to stream " + fileName);
// Retrieves the message from sftp server.
var stream = _sftp.Get(fileName);
stream.Position = 0;
// Creates new message
IBaseMessageFactory messageFactory = _transportProxy.GetMessageFactory();
IBaseMessagePart part = messageFactory.CreateMessagePart();
part.Data = stream;
var message = messageFactory.CreateMessage();
message.AddPart(MessageBody, part, true);
// Setting metadata
SystemMessageContext context =
new SystemMessageContext(message.Context)
{
InboundTransportLocation = uri,
InboundTransportType = _transportType
};
// Write/Promote any adapter specific properties on the message context
message.Context.Write(Remotefilename, _propertyNamespace, fileName);
SetReceivedFileName(message, fileName);
message.Context.Write("ReceivedFileName", "http://schemas.microsoft.com/BizTalk/2003/" +
_transportType.ToLower() + "-properties", fileName);
message.Context.Write("ReceivedFileName", "http://schemas.microsoft.com/BizTalk/2003/file-properties", fileName);
// Add the file to the batch
Files.Add(new BatchMessage(message, fileName, BatchOperationType.Submit, afterGetAction, afterGetFilename));
// Greg Sharp: Let the caller set this as the file size may be stale
// Add the size of the file to the stream
//if (message.BodyPart.Data.CanWrite)
// message.BodyPart.Data.SetLength(size);
return(message);
}
catch (Exception ex)
{
TraceMessage("[SftpReceiverEndpoint] Error Adding file [" + fileName + "]to batch. Error: " + ex.Message);
if (_useLoadBalancing)
{
DataBaseHelper.CheckInFile(uri, Path.GetFileName(fileName), _traceFlag);
}
return(null);
}
}
/// <summary>
/// Creatable receiver constructor
/// </summary>
/// <param name="tp">Transport proxy object reference</param>
public BizTalkMessaging(IBTTransportProxy tp)
{
if (null == tp)
{
throw new ArgumentNullException("IBTTransportProxy may not be null");
}
this._tp = tp;
_mf = _tp.GetMessageFactory();
_initialized = true;
}
/// <summary>
/// Initialize the adapter by specifying the address of the receive location that uses the adapter
/// </summary>
/// <param name="tp">Transport proxy object reference</param>
/// <param name="url">Address of the receive location</param>
/// <param name="callBack">Reference to the configuration callback interface</param>
private void InternalInitialize(IBTTransportProxy tp, string url, IBTTransportConfig callBack)
{
lock (this)
{
while (false == _initialized)
{
IBTTransportConfig cb = null;
if (null == url)
{
throw new ArgumentNullException("Url may not be null");
}
if (null == callBack)
{
cb = this;
}
else
{
cb = callBack;
}
if (null == tp && null == _tp)
{
_tp = new IBTTransportProxy();
}
else if (null != tp)
{
_tp = tp;
}
_tp.RegisterIsolatedReceiver(url, cb);
_mf = _tp.GetMessageFactory();
_initialized = true;
}
}
}
private IBaseMessage BuildResponseMessage(WebResponse webResponse)
{
IBaseMessage btsResponse = null;
// Get the response stream, create a new message attaching
// the response stream...
using (Stream s = webResponse.GetResponseStream())
{
// NOTE:
// Copy the network stream into a virtual stream stream. If we were
// to use a forward only stream (as in the response stream) we would
// not be able to suspend the response data on failure. The virtual
// stream will overflow to disc when it reaches a given threshold
VirtualStream vs = new VirtualStream();
int bytesRead = 0;
byte[] buff = new byte[8 * 1024];
while ((bytesRead = s.Read(buff, 0, buff.Length)) > 0)
{
vs.Write(buff, 0, bytesRead);
}
webResponse.Close();
// Seek the stream back to the start...
vs.Position = 0;
// Build BTS message from the stream
IBaseMessageFactory mf = transportProxy.GetMessageFactory();
btsResponse = mf.CreateMessage();
IBaseMessagePart body = mf.CreateMessagePart();
body.Data = vs;
btsResponse.AddPart("Body", body, true);
}
return(btsResponse);
}
/// <summary>
/// Creatable receiver constructor
/// </summary>
/// <param name="tp">Transport proxy object reference</param>
public BizTalkMessaging(IBTTransportProxy tp)
{
if ( null == tp )
throw new ArgumentNullException("IBTTransportProxy may not be null");
this._tp = tp;
_mf = _tp.GetMessageFactory();
_initialized = true;
}
private IBaseMessage BuildResponseMessage(IBaseMessage message, IBaseMessageContext context, LoopBackTransmitProperties props)
{
Guid callToken = TraceManager.CustomComponent.TraceIn();
long startScope = TraceManager.CustomComponent.TraceStartScope("BuildResponseMessage", callToken);
IBaseMessageFactory messageFactory = _transportProxy.GetMessageFactory();
IBaseMessage btsResponse = messageFactory.CreateMessage();
TraceManager.CustomComponent.TraceInfo("PropertyCopy: {0}", props.PropertyCopy);
if (props.PropertyCopy)
{
btsResponse.Context = PipelineUtil.CloneMessageContext(context);
}
TraceManager.CustomComponent.TraceInfo("CustomPropertyCopy: {0}", props.CustomPropertyCopy);
if (props.CustomPropertyCopy)
{
btsResponse.Context = messageFactory.CreateMessageContext();
for (int i = 0; i < context.CountProperties; i++)
{
string strName;
string strNamespace;
object oValue = context.ReadAt(i, out strName, out strNamespace);
if (!strNamespace.StartsWith("http://schemas.microsoft.com/BizTalk"))
{
if (context.IsPromoted(strName, strNamespace))
{
TraceManager.CustomComponent.TraceInfo("Promoted into context: {1}#{0}={2}", strName, strNamespace, oValue);
btsResponse.Context.Promote(strName, strNamespace, oValue);
}
else
{
TraceManager.CustomComponent.TraceInfo("Copied into context: {1}#{0}={2}", strName, strNamespace, oValue);
btsResponse.Context.Write(strName, strNamespace, oValue);
}
}
}
}
TraceManager.CustomComponent.TraceInfo("PartCount: {0}", message.PartCount);
for (int i = 0; i < message.PartCount; i++)
{
string str;
VirtualStream stream = new VirtualStream();
StreamReader rdr = new StreamReader(message.GetPartByIndex(i, out str).GetOriginalDataStream(), true);
StreamWriter wrtr = new StreamWriter(stream, rdr.CurrentEncoding);
wrtr.Write(rdr.ReadToEnd());
rdr.Close();
wrtr.Flush();
stream.Seek(0, SeekOrigin.Begin);
IBaseMessagePart part = messageFactory.CreateMessagePart();
if (props.PropertyCopy)
{
part.Charset = message.GetPart(str).Charset;
part.ContentType = message.GetPart(str).ContentType;
part.PartProperties = PipelineUtil.CopyPropertyBag(message.GetPart(str).PartProperties, messageFactory);
}
btsResponse.AddPart(str, part, message.GetPart(str).PartID.Equals(message.BodyPart.PartID));
btsResponse.GetPart(str).Data = stream;
}
TraceManager.CustomComponent.TraceEndScope("BuildResponseMessage", startScope, callToken);
TraceManager.CustomComponent.TraceOut(callToken);
return(btsResponse);
}
