public bool AddNewSegment(Segment newSeg)
{
try
{
newSeg.SequenceNo = SegmentCount++;
if (SegmentList.ContainsKey(newSeg.Name))
{
SegmentList[newSeg.Name].List.Add(newSeg);
}
else
{
SegmentList.Add(newSeg.Name, newSeg);
SegmentList[newSeg.Name].List.Add(newSeg);
}
return true;
}
catch (Exception ex)
{
SegmentCount--;
throw new HL7Exception("Unable to add new segment Error - " + ex.Message);
}
}
/// <summary>
/// Parse the HL7 message in text format, throws HL7Exception if error occurs
/// </summary>
/// <returns>boolean</returns>
public bool ParseMessage()
{
bool isValid = false;
bool isParsed = false;
try
{
isValid = ValidateMessage();
}
catch (HL7Exception ex)
{
throw ex;
}
catch (Exception ex)
{
throw new HL7Exception("Unhandeled Exceiption in validation - " + ex.Message, HL7Exception.BAD_MESSAGE);
}
if (isValid)
{
try
{
if (AllSegments == null || AllSegments.Count <= 0)
{
AllSegments = MessageHelper.SplitString(HL7Message, new Char[1] { DefaultSegmentSeparatorString[msgSegmentSeparatorIndex] });
}
short SegSeqNo = 0;
foreach (String strSegment in AllSegments)
{
Segment segNew = new Segment();
String segmentName = strSegment.Substring(0, 3);
segNew.FieldDelimiters = new Char[] { FieldDelimiters[0], FieldDelimiters[1], FieldDelimiters[2], FieldDelimiters[4] };
segNew.Name = segmentName;
segNew.Value = strSegment;
segNew.SequenceNo = SegSeqNo++;
if (SegmentList.ContainsKey(segmentName))
{
SegmentList[segmentName].List.Add(segNew);
}
else
{
SegmentList.Add(segmentName, segNew);
SegmentList[segmentName].List.Add(segNew);
}
}
_SegmentCount = SegSeqNo;
String strSerializedMessage = String.Empty;
try
{
strSerializedMessage = SerializeMessageWithoutValidate(); //validation not required here as we haven't changed anything in message
}
catch (HL7Exception ex)
{
throw new HL7Exception("Failed to serialize parsed message with error -" + ex.Message, HL7Exception.PARSING_ERROR);
}
if (!String.IsNullOrEmpty(strSerializedMessage))
{
if (HL7Message.Equals(strSerializedMessage))
isParsed = true;
}
else
{
throw new HL7Exception("Unable to serialize to origional message -", HL7Exception.PARSING_ERROR);
}
}
catch (Exception ex)
{
throw new HL7Exception("Failed to parse the message with error -" + ex.Message, HL7Exception.PARSING_ERROR);
}
}
return isParsed;
}