Esempio n. 1
0
        /// <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);
        }
Esempio n. 2
0
        /// <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);
        }