code: public void setXpath(String xpath)
      {
          _xpath = xpath;
          StringTokenizer tok = new StringTokenizer(xpath,"| ");
          while(tok.hasMoreTokens())
              _xpaths=LazyList.add(_xpaths, tok.nextToken());
      }
docs: Set an XPath
  A very simple subset of xpath is supported to select a partial
  tree.  Currently only path like "/node1/nodeA | /node1/nodeB"
  are supported.
  @param xpath The xpath to set.