private static Message createADT01Message() throws Exception {
ADT_A01 adt = new ADT_A01();
// Populate the MSH Segment
MSH mshSegment = adt.getMSH();
mshSegment.getFieldSeparator().setValue("|");
mshSegment.getEncodingCharacters().setValue("^~\\&");
mshSegment.getDateTimeOfMessage().getTimeOfAnEvent().setValue("200701011539");
mshSegment.getSendingApplication().getNamespaceID().setValue("MYSENDER");
mshSegment.getSequenceNumber().setValue("123");
mshSegment.getMessageType().getMessageType().setValue("ADT");
mshSegment.getMessageType().getTriggerEvent().setValue("A01");
// Populate the PID Segment
PID pid = adt.getPID();
pid.getPatientName(0).getFamilyName().getSurname().setValue("Doe");
pid.getPatientName(0).getGivenName().setValue("John");