protected int [ ] indicesOf ( final Object itemSet ) { int [ ] ret = null ; if ( itemSet instanceof Collection ) { Collection collection = ( Collection ) itemSet ; ret = new int [ collection . size ( ) ] ; int i = 0 ; for ( Iterator iter = collection . iterator ( ) ; iter . hasNext ( ) ; i ++ ) { ret [ i ] = indexOf ( iter . next ( ) ) ; } } else if ( itemSet == null ) { ret = new int [ 0 ] ; } else if ( itemSet . getClass ( ) . isArray ( ) ) { Object [ ] items = ( Object [ ] ) itemSet ; ret = new int [ items . length ] ; for ( int i = 0 ; i < items . length ; i ++ ) { ret [ i ] = indexOf ( items [ i ] ) ; } } else { throw new IllegalArgumentException ( "itemSet must be eithe an Array or a Collection" ) ; } return ret ; }
Return an array of indices in the selectableItems for each element in the provided set . The set can be either a Collection or an Array .