code: @Override
    public char[] transformIn(String inStr) throws CpoException {
      char[] retChars = null;
  
      if (inStr != null) {
        retChars = inStr.toCharArray();
      }
  
      return retChars;
    }
docs: Transforms the datasource object into an object required by the class
  
  @param cpoAdapter The CpoAdapter for the datasource where the attribute is being retrieved
  @param parentObject The object that contains the attribute being retrieved.
  @param The object that represents the datasource object being retrieved
  @return The object to be stored in the attribute
  @throws CpoException