DataLoader

// Private constructor for use as Singleton
private function DataManager() {
    mDataLoader = DataLoader.getInstance();
    mDataLoader.addLoaderListener(EventDelegate.create(this, handleDataLoaded));
}

// load XML from specified url with specified name	
public function loadXMLData (inURL:String, inName:String) : Boolean {
    var ud:URLData = new URLData(inName, inURL);
    return mDataLoader.loadXML(ud);
}

// load settings xml
public function loadSettings () : Void {
    loadXMLData(URL_SETTINGS, URLNames.SETTINGS);
}

// Handle data loaded event from data loader
private function handleDataLoaded (e:DataLoaderEvent) : Void {
    Log.debug("handleDataLoaded: name = " + e.name, toString());

    // check error		
    if (e.type == DataLoaderEvent.ERROR) {
        handleDataError(e);
        return;
    }

    switch (e.name) {
        case URLNames.SETTINGS: handleSettingsLoaded(e.data, e.name); break;
    }
}

// Handle error event from data loader
private function handleDataError (e:DataLoaderEvent) : Void {
    var evt:DataEvent = new DataEvent(DataEvent.LOAD_ERROR, e.name, null, this);
    evt.error = "Failed to load the XML file named " + e.name;
    dispatchEvent(evt);
}

// Handle settings loaded
private function handleSettingsLoaded (inData:Object, inName:String) {
    // parse object
}