question: @ Override public void startElement ( String uri , String localName , String qName , Attributes attributes ) throws SAXException { if ( requestID == null && localName . equals ( "batchRequest" ) ) { requestID = attributes . getValue ( "requestID" ) ; } super . startElement ( uri , localName , qName , attributes ) ; }
target:  This function fetches the requestID value of the batchRequest xml element and call the default implementation (super).