code: private void setup (Parser parser)
      {
      if (parser == null) {
          throw new
          NullPointerException("Parser argument must not be null");
      }
      this.parser = parser;
      atts = new AttributesImpl();
      nsSupport = new NamespaceSupport();
      attAdapter = new AttributeListAdapter();
      }
docs: Internal setup method.
  
  @param parser The embedded parser.
  @exception java.lang.NullPointerException If the parser parameter
  is null.