public static boolean isSimpleLiteral(Value v){
  if (v instanceof Literal) {
    return isSimpleLiteral((Literal)v);
  }
  return false;
}

public static boolean isSimpleLiteral ( Value v ) { if ( v instanceof Literal ) { return isSimpleLiteral ( ( Literal ) v ) ; } return false ; }
checks whether the supplied value is a " simple literal " . a " simple literal " is a literal with no language tag nor datatype .
