source: code/Website/open-flash-chart/com/adobe/webapis/URLLoaderBase.as@ 7849

/*
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        Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
        
        Please read this Source Code License Agreement carefully before using
        the source code.
        
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package com.adobe.webapis
{
        import flash.events.IOErrorEvent;
        import flash.events.SecurityErrorEvent;
        import flash.events.ProgressEvent;
        
        import com.adobe.net.DynamicURLLoader;
        
                /**
                *       Dispatched when data is 
                *       received as the download operation progresses.
                *        
                *       @eventType flash.events.ProgressEvent.PROGRESS
                * 
                * @langversion ActionScript 3.0
                * @playerversion Flash 9.0
                */
                [Event(name="progress", type="flash.events.ProgressEvent")]             
        
                /**
                *       Dispatched if a call to the server results in a fatal 
                *       error that terminates the download.
                * 
                *       @eventType flash.events.IOErrorEvent.IO_ERROR
                * 
                * @langversion ActionScript 3.0
                * @playerversion Flash 9.0
                */
                [Event(name="ioError", type="flash.events.IOErrorEvent")]               
                
                /**
                *       A securityError event occurs if a call attempts to
                *       load data from a server outside the security sandbox.
                * 
                *       @eventType flash.events.SecurityErrorEvent.SECURITY_ERROR
                * 
                * @langversion ActionScript 3.0
                * @playerversion Flash 9.0
                */
                [Event(name="securityError", type="flash.events.SecurityErrorEvent")]   
        
        /**
        *       Base class for services that utilize URLLoader
        *       to communicate with remote APIs / Services.
        * 
        * @langversion ActionScript 3.0
        * @playerversion Flash 9.0
        */
        public class URLLoaderBase extends ServiceBase
        {       
                protected function getURLLoader():DynamicURLLoader
                {
                        var loader:DynamicURLLoader = new DynamicURLLoader();
                                loader.addEventListener("progress", onProgress);
                                loader.addEventListener("ioError", onIOError);
                                loader.addEventListener("securityError", onSecurityError);
                        
                        return loader;                  
                }               
                
                private function onIOError(event:IOErrorEvent):void
                {
                        dispatchEvent(event);
                }                       
                
                private function onSecurityError(event:SecurityErrorEvent):void
                {
                        dispatchEvent(event);
                }       
                
                private function onProgress(event:ProgressEvent):void
                {
                        dispatchEvent(event);
                }       
        }
}