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lewispeel

Response Headers

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Hi,

 

Is there a way to grab the response headers from the LoaderEvent?

 

Thanks, Lewis

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Not consistently (that I know of), no - apparently some browsers limit access to that info, so Flash has a tough time with it. I believe that you can listen for HTTP_RESPONSE_STATUS events if you're publishing to AIR, and the resulting event will usually have a responseHeaders property (get to the original event using the LoaderEvent's "data" property, and make sure you're using the latest version of the LoaderMax files). Again, that's only for AIR apps. 

 

I wish I had better news for you. 

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Ah ok, that's fine...I'm using AIR and have no intention of targeting a browser. I was hoping to make use of the 'onHTTPStatus' event handler shortcut in DataLoaderVars and grab them from the LoaderEvent.

 

Thanks for the speedy reply Jack. Keep up the good work!!

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Hmm, I seem to be getting a null value for event.data. Here's a very basic example...

 

package
{
	import com.greensock.events.LoaderEvent;
	import com.greensock.loading.DataLoader;
	import com.greensock.loading.LoaderMax;
	import com.greensock.loading.data.DataLoaderVars;
	
	import flash.display.Sprite;
	import flash.net.URLRequest;
	
	public class Spike extends Sprite
	{
		private var requestQueue:LoaderMax;
		private var loaderVars:DataLoaderVars;
		
		public function Spike()
		{
			requestQueue = new LoaderMax({
				name : "SpikeQueue",
				maxConnections : 20
			});
			
			loaderVars = new DataLoaderVars({
				autoDispose : true,
				format : "text",
				onHTTPStatus : onHTTPStatusHandler,
				onComplete : onCompleteHandler,
				onFail : onFailHandler
			});
			
			makeRequest();
		}
		
		private function makeRequest():void
		{
			var request:URLRequest = new URLRequest( "http://search.twitter.com/search.json?q=greensock" );
			var loader:DataLoader = new DataLoader( request, loaderVars );
			
			requestQueue.append(loader);
			requestQueue.load();
		}
		
		private function onHTTPStatusHandler( event : LoaderEvent ):void
		{
			var loader:DataLoader = DataLoader( event.currentTarget );
			
			trace( "onHTTPStatusHandler" );
			
			trace( "loader.httpStatus = " + loader.httpStatus );
			
			trace( "event.data = " + event.data );
		}
		
		private function onCompleteHandler( event : LoaderEvent ):void
		{
			trace( "onCompleteHandler" );
		}
		
		private function onFailHandler( event : LoaderEvent ):void
		{
			trace( "onFailHandler" );
		}
	}
}

 

 

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What version of LoaderMax are you using?

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I'm using 1.9 - that's the latest version right?

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