code: public void setDocumentLocator(Locator locator)
    {
      try
      {
        if (null == m_resultContentHandler)
          createResultContentHandler(m_result);
      }
      catch (TransformerException te)
      {
        throw new org.apache.xml.utils.WrappedRuntimeException(te);
      }
  
      m_resultContentHandler.setDocumentLocator(locator);
    }
docs: Receive a Locator object for document events.
  
  <p>By default, do nothing.  Application writers may override this
  method in a subclass if they wish to store the locator for use
  with other document events.</p>
  
  @param locator A locator for all SAX document events.
  @see org.xml.sax.ContentHandler#setDocumentLocator
  @see org.xml.sax.Locator