question: public static boolean isWddx ( Object o ) { if ( ! ( o instanceof String ) ) return false ; String str = o . toString ( ) ; if ( ! ( str . indexOf ( "wddxPacket" ) > 0 ) ) return false ; WDDXConverter converter = new WDDXConverter ( TimeZone . getDefault ( ) , false , true ) ; try { converter . deserialize ( Caster . toString ( o ) , true ) ; } catch ( Exception e ) { return false ; } return true ; }
target:  tests if object is a WDDX Object 