public string get(string sSegmentName, int iSegmentOccurence, int iFieldPos, int iFieldOccurence, int iComponentPos, int iSubComponentPos)
{
String sString = "";
HL7Segment segment = getHL7Segment(sSegmentName, iSegmentOccurence);
sString = segment.toString();
if (iFieldPos > 0)
{
HL7Field field = segment.getField(iFieldPos);
sString = field.toString();
if (iFieldOccurence > 0)
{
HL7FieldItem fieldItem = field.getFieldItem(iFieldOccurence);
sString = fieldItem.toString();
if (iComponentPos > 0)
{
HL7Component component = fieldItem.getComponent(iComponentPos);
sString = component.toString();
if (iSubComponentPos > 0)
{
HL7SubComponent subComponent = component.getSubComponent(iSubComponentPos);
sString = subComponent.toString();
}
}
}
}
return(sString);
}
private string convertToHL7(XmlDocument xMsg)
{
String sHL7Message = "";
XmlElement rootElement = (XmlElement)xMsg.FirstChild;
XmlElement messageHeaderElement = (XmlElement)rootElement.GetElementsByTagName(MESSAGE_HEADER)[0];
XmlElement fieldSepartorElement = (XmlElement)messageHeaderElement.GetElementsByTagName(FIELD_SERARATOR_FIELD_POS)[0];
XmlElement encodingCharactersElement = (XmlElement)messageHeaderElement.GetElementsByTagName(ENCODING_CHARACTER_FIELD_POS)[0];
string sDel = fieldSepartorElement.InnerText + encodingCharactersElement.InnerText;
delimeters = new HL7Delimeters(sDel);
XmlNodeList segmentList = rootElement.ChildNodes;
int iSegmentTotal = segmentList.Count;
for (int i = 0; i < iSegmentTotal; i++)
{
XmlElement segmentElement = (XmlElement)segmentList[i];
HL7Segment segment = new HL7Segment(segmentElement, delimeters);
if (segment.getLength() > 0)
{
sHL7Message = sHL7Message + segment.toString() + SEGMENT_DELIMETER;
}
}
return(sHL7Message);
}
private HL7Segment getHL7Segment(String sSegmentName, int iSegmentOccurence)
{
String sSegment = "";
HL7Segment seg = null;
bool bFound = false;
int iSegmentCount = 1;
if (iSegmentOccurence == 0)
{
iSegmentOccurence = 1;
}
try
{
int i = 1;
do
{
if (i > deMessage.getLength(SEGMENT_DELIMETER))
{
break;
}
sSegment = deMessage.getString(SEGMENT_DELIMETER, i);
seg = new HL7Segment(sSegment, delimeters);
if (sSegmentName.Equals(seg.getName()))
{
if (iSegmentCount == iSegmentOccurence)
{
bFound = true;
break;
}
iSegmentCount++;
}
i++;
} while(true);
}
catch (InvalidSegmentException e)
{
throw new SegmentNotFoundException(e.Message);
}
catch (UnableToGetStringException e)
{
throw new SegmentNotFoundException(e.Message);
}
if (!bFound)
{
throw new SegmentNotFoundException("");
}
else
{
return(seg);
}
}
private void initializeHL7(string sHL7Message)
{
deMessage = new HL7DataElement(sHL7Message.Trim());
try
{
HL7Segment messageHeader = getMessageHeader();
HL7Field field = messageHeader.getField(MESSAGE_TYPE_POS);
HL7FieldItem fieldItem = field.getFieldItem(1);
HL7Component messageType = fieldItem.getComponent(1);
string sMessageID = "";
try
{
HL7Component messageID = fieldItem.getComponent(2);
sMessageID = messageID.toString();
}
catch (ComponentNotFoundException componentnotfoundexception) { }
if (sMessageID.Length > 0)
{
sMessageType = messageType.toString() + "_" + sMessageID;
}
else
{
sMessageType = messageType.toString();
}
try
{
field = messageHeader.getField(MESSAGE_ENCODING_POS);
sHL7Encoding = field.toString();
sXMLEncoding = "UTF-8";//characterSet.getXML(sHL7Encoding);
}
catch (FieldNotFoundException e)
{
//debug("Character set not found in HL7. Using system defaults.");
sHL7Encoding = "";
sXMLEncoding = "UTF-8";
}
}
catch (ComponentNotFoundException e)
{
throw new InvalidMessageTypeException(e.Message);
}
catch (FieldNotFoundException e)
{
throw new MessageTypeNotFoundException(e.Message);
}
catch (SegmentNotFoundException e)
{
throw new MessageHeaderNotFoundException(e.Message);
}
}
private HL7Segment getHL7Segment(int iSegmentIndex)
{
HL7Segment seg = null;
try
{
String sSegment = deMessage.getString(SEGMENT_DELIMETER, iSegmentIndex);
seg = new HL7Segment(sSegment, delimeters);
}
catch (UnableToGetStringException e)
{
throw new InvalidSegmentException(e.Message);
}
return(seg);
}
private XmlDocument convertToXML()
{
xmlMessage = new XmlDocument();
HL7Segment segment = new HL7Segment("", delimeters);
XmlElement rootElement = xmlMessage.CreateElement(getType());
for (int i = 1; i <= getLength(); i++)
{
segment = getHL7Segment(i);
if (!segment.getName().Trim().Equals(""))
{
segment.buildXML(xmlMessage, rootElement);
}
}
xmlMessage.AppendChild(rootElement);
return(xmlMessage);
}
