code: public int getSymLinkDepth() {
          int value = 0;
          try {
              value = Integer.parseInt(line.getOptionValue(ARGUMENT.SYM_LINK_DEPTH, "0"));
              if (value < 0) {
                  value = 0;
              }
          } catch (NumberFormatException ex) {
              LOGGER.debug("Symbolic link was not a number");
          }
          return value;
      }
docs: Returns the symbolic link depth (how deeply symbolic links will be
  followed).
  
  @return the symbolic link depth