code: static String getPipeName(final String fieldName, final Pipe annot) {
          String attributeName = null;
          if (annot.name().equals("")) {
              attributeName = fieldName;
          } else {
              attributeName = annot.name();
          }
          return attributeName;
      }
docs: Get pipe name from annotation {@link Pipe}
  
  @param fieldName
  @param annot
  @return