Help with code

i addaptnig code got internet. want, need fullly understand how works. here is.

// main application file:

.....

<logging:globalexceptionhandler preventdefault="true" >

                              <logging:loghandleraction/>

</logging:globalexceptionhandler>

 

 

package

{

    import flash.display.loaderinfo;

    import flash.events.uncaughterrorevent;

   

    import mx.managers.isystemmanager;

 

 

    [mixin]

    [defaultproperty("handleractions")]

    public class globalexceptionhandler

    {

        private static var loaderinfo:loaderinfo;

 

 

        public var handleractions:array;

 

 

        public var preventdefault:boolean = false;

 

 

        public static function init(sm:isystemmanager):void

        {

            loaderinfo = sm.loaderinfo;

        }

 

 

        public function globalexceptionhandler()

        {

            loaderinfo.uncaughterrorevents.addeventlistener(uncaughterrorevent.uncaught_error,

                                                            uncaughterrorhandler);

        }

 

 

        private function uncaughterrorhandler(event:uncaughterrorevent):void

        {

                              for each (var action:globalexceptionhandleraction in handleractions)

            {

                action.handle(event.error);

            }

 

 

            if (preventdefault == true)

            {

                event.preventdefault();

            }

        }

    }

}

 

package

{

 

    public interface globalexceptionhandleraction

    {

        function handle(error:object):void;

    }

}

 

package stoneriver.util.logging

{

          import stoneriver.util.logging.errorlogger;

    public class loghandleraction implements globalexceptionhandleraction

    {

                    private var _log:errorlogger =  errorlogger.getinstance();

        public function handle(error:object):void

        {

            if (error error)

            {

                                        var errorobj:error = error error;

                                        // start logging errors

                                        _log.error(errorobj);

            }

        }

    }

}

 

 

basically question is:

how handleractions array elements?

 

thanks

the defaultproperty metadata.  denotes property gets assigned subtags.

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