public void readField(Object object, String name, Class elementType, Object jsonData) {
   readField(object, name, name, elementType, jsonData);
 }
 public void readField(Object object, String fieldName, String jsonName, Object jsonData) {
   readField(object, fieldName, jsonName, null, jsonData);
 }
 public void readField(Object object, String name, Object jsonData) {
   readField(object, name, name, null, jsonData);
 }