private static ChoHL7Message CreateInstance(ChoHL7Configuration configuration)
{
ChoHL7MessageType mt = configuration.MessageType;
ChoHL7Version version = configuration.Version;
ChoHL7Message msg = null;
string messageTypeName = "ChoETL.HL7.Model.{0}.{1}".FormatString(version.ToString(), mt.ToString());
if (!ChoHL7MessageCache.Instance.HL7MessageDict.ContainsKey(messageTypeName))
{
throw new ChoHL7Exception("Can't find '{0}' HL7 Message type.".FormatString(messageTypeName));
}
msg = CreateInstance(ChoHL7MessageCache.Instance.HL7MessageDict[messageTypeName]) as ChoHL7Message;
msg.Version = version;
msg.MessageType = mt;
return(msg);
}
internal void Validate(string line)
{
if (line.IsNullOrWhiteSpace())
{
throw new ChoHL7Exception("Empty line found.");
}
if (!line.StartsWith("MSH"))
{
throw new ChoHL7Exception("Missing Message Header (MSH) record.");
}
if (line.Length <= 3 || line[3] == ChoCharEx.NUL)
{
throw new ChoHL7Exception("Missing or NULL Field Separator found.");
}
else
{
FieldSeparator = line[3];
}
if (FieldSeparator.ToString().IsAlphaNumeric())
{
throw new ChoHL7Exception("Invalid '{0}' field separator found.".FormatString(FieldSeparator));
}
if (line.Length <= 8)
{
throw new ChoHL7Exception("Missing encoding characters.");
}
else
{
var encodingChars = line.Substring(4, 4);
if (encodingChars != @"^~\&")
{
throw new ChoHL7Exception("Invalid encoding characters found.");
}
if (encodingChars.Where(c => c == ChoCharEx.NUL).Any())
{
throw new ChoHL7Exception("NULL encoding characters found.");
}
}
string[] fields = line.Split(FieldSeparator);
if (fields.Length < 11 || fields[11].IsNullOrWhiteSpace())
{
throw new ChoHL7Exception("Missing version.");
}
string versionTxt = fields[11];
var v = versionTxt.ToEnum(typeof(ChoHL7Version));
if (v == null)
{
throw new ChoHL7Exception("'{0}' version not supported.".FormatString(versionTxt));
}
if (LoadWithVersion == null)
{
Version = (ChoHL7Version)v;
ChoETLLog.Info("Version found in message: {0}".FormatString(Version));
}
else
{
ChoETLLog.Info("Version found in message: {0}".FormatString((ChoHL7Version)v));
Version = LoadWithVersion.Value;
ChoETLLog.Info("But loading message with version: {0}".FormatString(Version));
}
if (fields[8].IsNullOrWhiteSpace())
{
throw new ChoHL7Exception("Missing Message Type.");
}
string mtText = fields[8];
var mtEnumTxt = mtText.ToEnum(typeof(ChoHL7MessageType));
if (mtEnumTxt == null)
{
throw new ChoHL7Exception("'{0}' Message Type not supported.".FormatString(mtText));
}
if (LoadWithMessageType == null)
{
MessageType = (ChoHL7MessageType)mtEnumTxt;
ChoETLLog.Info("MessageType found in message: {0}".FormatString(MessageType));
}
else
{
ChoETLLog.Info("MessageType found in message: {0}".FormatString((ChoHL7MessageType)mtEnumTxt));
MessageType = LoadWithMessageType.Value;
ChoETLLog.Info("But loading message with MessageType: {0}".FormatString(MessageType));
}
}
