code: protected BeanField findField(String name) {
        if (null == fieldMap) {
           fieldMap = loadFieldMap(); //lazy load fields
        }
        return fieldMap.get(name.toUpperCase().trim());
     }
docs: Find the field for a given column.
  
  @param name - the column name to look up.
  @return - BeanField containing the field - and whether it is mandatory - for the column.