code: final public String getFullName(final String parent) {
      if (isEmptyLocalName()) {
        return parent;
      }
      
      StringBuilder fullName = new StringBuilder(parent);
      if (!parent.endsWith(Path.SEPARATOR)) {
        fullName.append(Path.SEPARATOR);
      }
      fullName.append(getLocalName());
      return fullName.toString();
    }
docs: Get the string representation of the full path name
  @param parent the parent path
  @return the full path in string