question: @ Override public final void startElement ( final String ns , final String lName , final String qName , final Attributes list ) throws SAXException { String name = lName == null || lName . length ( ) == 0 ? qName : lName ; StringBuffer sb = new StringBuffer ( match ) ; if ( match . length ( ) > 0 ) { sb . append ( '/' ) ; } sb . append ( name ) ; match = sb . toString ( ) ; Rule r = ( Rule ) RULES . match ( match ) ; if ( r != null ) { r . begin ( name , list ) ; } }
target:  Process notification of the start of an XML element being reached.