/// <summary>
/// Builds an ACK or NACK message for this message
/// </summary>
/// <param name="code">ack code like AA, AR, AE</param>
/// <param name="isNack">true for generating a NACK message, otherwise false</param>
/// <param name="errMsg">error message to be sent with NACK</param>
/// <returns>An ACK or NACK message if success, otherwise null</returns>
private Message createAckMessage(string code, bool isNack, string errMsg)
{
var response = new StringBuilder();
if (this.MessageStructure != "ACK")
{
var dateString = MessageHelper.LongDateWithFractionOfSecond(DateTime.Now);
var msh = this.SegmentList["MSH"].First();
var delim = this.Encoding.FieldDelimiter;
response.Append("MSH").Append(this.Encoding.AllDelimiters).Append(delim).Append(msh.FieldList[4].Value).Append(delim).Append(msh.FieldList[5].Value).Append(delim)
.Append(msh.FieldList[2].Value).Append(delim).Append(msh.FieldList[3].Value).Append(delim)
.Append(dateString).Append(delim).Append(delim).Append("ACK").Append(delim).Append(this.MessageControlID).Append(delim)
.Append(this.ProcessingID).Append(delim).Append(this.Version).Append(this.Encoding.SegmentDelimiter);
response.Append("MSA").Append(delim).Append(code).Append(delim).Append(this.MessageControlID).Append((isNack ? delim + errMsg : string.Empty)).Append(this.Encoding.SegmentDelimiter);
}
else
{
return(null);
}
try
{
var message = new Message(response.ToString());
message.ParseMessage();
return(message);
}
catch
{
return(null);
}
}
/// <summary>
/// Builds a negative ack for this message
/// </summary>
/// <param name="code">ack code like AR, AE</param>
/// <param name="errMsg">error message to be sent with ACK</param>
/// <returns>A NACK message if success, otherwise null</returns>
public Message getNACK(string code, string errMsg)
{
string ackMsg;
if (this.MessageStructure != "ACK")
{
var dateString = MessageHelper.LongDateWithFractionOfSecond(DateTime.Now);
var msh = this.SegmentList["MSH"].First();
var delim = this.Encoding.FieldDelimiter;
ackMsg = "MSH" + this.Encoding.AllDelimiters + delim + msh.FieldList[4].Value + delim + msh.FieldList[5].Value + delim + msh.FieldList[2].Value + delim
+ msh.FieldList[3].Value + delim + dateString + delim + msh.FieldList[7].Value + delim + "ACK" + delim + this.MessageControlID + delim
+ this.ProcessingID + delim + this.Version + this.Encoding.SegmentDelimiter;
ackMsg += "MSA" + delim + code + delim + this.MessageControlID + delim + errMsg + this.Encoding.SegmentDelimiter;
}
else
{
return(null);
}
try
{
var nack = new Message(ackMsg);
nack.ParseMessage();
return(nack);
}
catch
{
return(null);
}
}
/// <summary>
/// Builds an ACK or NACK message for this message
/// </summary>
/// <param name="code">ack code like AA, AR, AE</param>
/// <param name="isNack">true for generating a NACK message, otherwise false</param>
/// <param name="errMsg">error message to be sent with NACK</param>
/// <returns>An ACK or NACK message if success, otherwise null</returns>
private Message createAckMessage(string code, bool isNack, string errMsg)
{
string response;
if (this.MessageStructure != "ACK")
{
var dateString = MessageHelper.LongDateWithFractionOfSecond(DateTime.Now);
var msh = this.SegmentList["MSH"].First();
var delim = this.Encoding.FieldDelimiter;
response = "MSH" + this.Encoding.AllDelimiters + delim + msh.FieldList[4].Value + delim + msh.FieldList[5].Value + delim
+ msh.FieldList[2].Value + delim + msh.FieldList[3].Value + delim
+ dateString + delim + delim + "ACK" + delim + this.MessageControlID + delim
+ this.ProcessingID + delim + this.Version + this.Encoding.SegmentDelimiter;
response += "MSA" + delim + code + delim + this.MessageControlID + (isNack ? delim + errMsg : string.Empty) + this.Encoding.SegmentDelimiter;
}
else
{
return(null);
}
try
{
var message = new Message(response);
message.ParseMessage();
return(message);
}
catch
{
return(null);
}
}
public void AddSegmentMSH(string sendingApplication, string sendingFacility, string receivingApplication, string receivingFacility,
string security, string messageType, string messageControlID, string processingID, string version)
{
var dateString = MessageHelper.LongDateWithFractionOfSecond(DateTime.Now);
var delim = this.Encoding.FieldDelimiter;
string response = "MSH" + this.Encoding.AllDelimiters + delim + sendingApplication + delim + sendingFacility + delim
+ receivingApplication + delim + receivingFacility + delim
+ dateString + delim + security + delim + messageType + delim + messageControlID + delim
+ processingID + delim + version + this.Encoding.SegmentDelimiter;
var message = new Message(response);
this.AddNewSegment(message.DefaultSegment("MSH"));
}
