6:15 AM
Reinhart
ActionScript is very fast to recursive big of data. So I decide to sort rss results in XMLListCollection, here is my codes:
//_result are composite of total rss results from a number of websites.
// _results += new XMLList(XML(event.result)..item);
public function sortRss(_results:XMLList, sortedResults:XMLListCollection):void{
var sort:Sort = new Sort();
sortedResults = new XMLListCollection(_results);
var sortField:SortField = new SortField();
sortField.compareFunction = sortRssByDate;
sortField.descending = true;
sort.fields = [sortField]
sortedResults.sort = sort;
sortedResults.refresh();
}
public var months:Array = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
private function convertPubDate(_pubDate:String):Date{
var arrDate:Array = _pubDate.split(/\s/gi);
var _strDate:String = arrDate[0]+" "+arrDate[1]+" "+arrDate[2]+" "+arrDate[3];
var arrTime:Array = arrDate.length > 5 ? String(arrDate[4]).split(/\:/gi) : [];
var _hour:Number = arrTime.length == 3 ? Number(arrTime[0]) : 0;
var _minute:Number = arrTime.length == 3 ? Number(arrTime[1]) : 0;
var _second:Number = arrTime.length == 3 ? Number(arrTime[2]) : 0;
var _dateTime:Date = new Date(Number(arrDate[3]), months.indexOf(arrDate[2]),Number(arrDate[1]),_hour,_minute,_second);
return _dateTime;
}
private function sortRssByDate(itemA:Object,itemB:Object,fields:Array = null):int{
var dateA:Date = convertPubDate(itemA.pubDate);
var dateB:Date = convertPubDate(itemB.pubDate);
return ObjectUtil.dateCompare(dateA,dateB);
}
Finally, it works without crash the application. I have tested from 10 websites with 25 items for each rss per 1 box, and i have 10 boxes. Total 100 websites rss that have to be sorted together by pubdate and grand total item is 2500 items.
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2 Response to "Sort Collection Rss By PubDate in ActionScript"
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