/// <summary>
/// Construct the appropriate subclass of BaseMessage based on a FHIR Bundle.
/// Clients can use the typeof operator to determine the type of message object returned.
/// </summary>
/// <param name="bundle">A FHIR Bundle</param>
/// <returns>The message object of the appropriate message type</returns>
public static BaseMessage Parse(Bundle bundle)
{
BaseMessage message = new BaseMessage(bundle, true, false);
switch (message.MessageType)
{
case "http://nchs.cdc.gov/vrdr_submission":
message = new DeathRecordSubmission(bundle, message);
break;
case "http://nchs.cdc.gov/vrdr_submission_update":
message = new DeathRecordUpdate(bundle, message);
break;
case "http://nchs.cdc.gov/vrdr_acknowledgement":
message = new AckMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_submission_void":
message = new VoidMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_coding":
message = new CodingResponseMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_coding_update":
message = new CodingUpdateMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_extraction_error":
message = new ExtractionErrorMessage(bundle, message);
break;
default:
string errorText;
if (message.Header == null)
{
errorText = "Failed to find a Bundle Entry containing a Resource of type MessageHeader";
}
else if (message.MessageType == null)
{
errorText = "Message type was missing from MessageHeader";
}
else
{
errorText = $"Unsupported message type: {message.MessageType}";
}
throw new MessageParseException(errorText, message);
}
return(message);
}
/// <summary>
/// Parse an XML or JSON serialization of a FHIR Bundle and construct the appropriate subclass of
/// BaseMessage. Clients can use the typeof operator to determine the type of message object returned.
/// </summary>
/// <param name="source">the XML or JSON serialization of a FHIR Bundle</param>
/// <param name="permissive">if the parser should be permissive when parsing the given string</param>
/// <returns>The deserialized message object</returns>
public static BaseMessage Parse(string source, bool permissive = false)
{
Bundle bundle = null;
if (!String.IsNullOrEmpty(source) && source.TrimStart().StartsWith("<"))
{
bundle = ParseXML(source, permissive);
}
else if (!String.IsNullOrEmpty(source) && source.TrimStart().StartsWith("{"))
{
bundle = ParseJSON(source, permissive);
}
else
{
throw new System.ArgumentException("The given input does not appear to be a valid XML or JSON FHIR message.");
}
BaseMessage message = new BaseMessage(bundle, true, false);
switch (message.MessageType)
{
case "http://nchs.cdc.gov/vrdr_submission":
message = new DeathRecordSubmission(bundle, message);
break;
case "http://nchs.cdc.gov/vrdr_submission_update":
message = new DeathRecordUpdate(bundle, message);
break;
case "http://nchs.cdc.gov/vrdr_acknowledgement":
message = new AckMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_submission_void":
message = new VoidMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_coding":
message = new CodingResponseMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_coding_update":
message = new CodingUpdateMessage(bundle);
break;
case "http://nchs.cdc.gov/vrdr_extraction_error":
message = new ExtractionErrorMessage(bundle, message);
break;
default:
string errorText;
if (message.Header == null)
{
errorText = "Failed to find a Bundle Entry containing a Resource of type MessageHeader";
}
else if (message.MessageType == null)
{
errorText = "Message type was missing from MessageHeader";
}
else
{
errorText = $"Unsupported message type: {message.MessageType}";
}
throw new MessageParseException(errorText, message);
}
return(message);
}
