FHIR Chat · HL7v2 Parsing · hapi

"Determine encoding for message. The following is the first 50 chars of the message for reference, although this may not be where the issue is: MSH|^~\\&|OPENEMR|DrJhonDoe|TEST|UNKNOWN|20210216190432||ADT^A01^ADT_A01|60b647d4-b5a5-4fae-a928-d4a3849de3c8|T|2.5"

public static String getPv1SegmentData(String hl7Message) throws HL7Exception {
        String hl7RoomConfiguration = "";
        try {
// Im just reading the mapping from another config json
        String getHl7ConfigFromFile     = HL7HelperFunction.readHl7ConfigFromFile("Config.json");
        String getGqlPath               = getHl7ConfigFromFile.split(",")[3].toString();
        HapiContext context             = new DefaultHapiContext();
        context.getParserConfiguration().setValidating(false);
        CanonicalModelClassFactory mcf  = new CanonicalModelClassFactory("2.5");
        context.setModelClassFactory(mcf);
        PipeParser parser               = context.getPipeParser();
// Till this it works fine

// this is the portion where its causing error
        ADT_A01 v25Message              = (ADT_A01) parser.parse(hl7Message);
        Terser t25                      = new Terser(v25Message);
        String getPid                   = t25.get("/."+getHl7ConfigFromFile.split(",")[0]);
        String getBed                   = t25.get("/."+getHl7ConfigFromFile.split(",")[1]);
        String getRoom                  = t25.get("/."+getHl7ConfigFromFile.split(",")[2]);
        String getBuilding              = t25.get("/."+getGqlPath.split("/")[1]);
        String getFloor                 = t25.get("/."+getGqlPath.split("/")[2]);
        String getFacility              = t25.get("/."+getGqlPath.split("/")[0]);
        // Parse HL7 and create String
        hl7RoomConfiguration = "Bed:"+getBed+"@"+"Room:"+getRoom+"@"+"Building:"+getBuilding+"@"+"Floor:"+getFloor+"@"+"Facility:"+getFacility+"@"+"PID:"+getPid;

        System.out.println(hl7RoomConfiguration);

        }catch(Exception e) {
            System.out.println("get Exception -->"+e);
        }
        return hl7RoomConfiguration;
    }

InputStream in = connection.getInputStream();
OutputStream out = connection.getOutputStream();
receivedMessageSize = in.read(receivedByeBuffer);
String incomingHl7Message = new String(receivedByeBuffer, StandardCharsets.UTF_8);