import com.sun.org.apache.xml.internal.utils.ThreadControllerWrapper; //导入依赖的package包/类
/** Launch a thread that will run an XMLReader's parse() operation within
 *  a thread, feeding events to this IncrementalSAXSource_Filter. Mostly a convenience
 *  routine, but has the advantage that -- since we invoked parse() --
 *  we can halt parsing quickly via a StopException rather than waiting
 *  for the SAX stream to end by itself.
 *
 * @throws SAXException is parse thread is already in progress
 * or parsing can not be started.
 * */
public void startParse(InputSource source) throws SAXException
{
  if(fNoMoreEvents)
    throw new SAXException(XMLMessages.createXMLMessage(XMLErrorResources.ER_INCRSAXSRCFILTER_NOT_RESTARTABLE, null)); //"IncrmentalSAXSource_Filter not currently restartable.");
  if(fXMLReader==null)
    throw new SAXException(XMLMessages.createXMLMessage(XMLErrorResources.ER_XMLRDR_NOT_BEFORE_STARTPARSE, null)); //"XMLReader not before startParse request");

  fXMLReaderInputSource=source;

  // Xalan thread pooling...
  // com.sun.org.apache.xalan.internal.transformer.TransformerImpl.runTransformThread(this);
  ThreadControllerWrapper.runThread(this, -1);
}