question: private void _findByName ( List target , List source , String name ) { for ( int i = 0 ; i < source . size ( ) ; i ++ ) { Object o = source . get ( i ) ; if ( o instanceof Map ) { _findByName ( target , ( Map ) o , name ) ; } else if ( o instanceof List ) { _findByName ( target , ( List ) o , name ) ; } } }
target:  Internal method for finding decendant nodes