}
accept.beginAccept();
//1.准备扫描的引擎。
XMLInputFactory factory = XMLInputFactory.newInstance();
XMLStreamReader reader = factory.createXMLStreamReader(this.xmlReader);
StreamFilter filter = new NullStreamFilter(this, this.getXmlStreamFilter());
reader = factory.createFilteredReader(reader, filter);
//2.准备数据
StringBuffer currentXPath = new StringBuffer("/");//XPath
ElementTree currentElement = null;//设置当前事件所属的元素
XmlStreamEvent currentEvent = null;