Specifications

CHAPTER 11
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public class MyCustomLogger2 extends Button {
private var myLogger:ILogger;
public function MyCustomLogger2() {
super();
initListeners();
initLogger();
}
private function initListeners():void {
// Add event listeners life cycle events.
addEventListener("preinitialize", logLifeCycleEvent);
addEventListener("initialize", logLifeCycleEvent);
addEventListener("creationComplete", logLifeCycleEvent);
addEventListener("updateComplete", logLifeCycleEvent);
// Add event listeners for other common events.
addEventListener("click", logUIEvent);
addEventListener("mouseUp", logUIEvent);
addEventListener("mouseDown", logUIEvent);
addEventListener("mouseOver", logUIEvent);
addEventListener("mouseOut", logUIEvent);
}
private function initLogger():void {
myLogger = Log.getLogger("MyCustomClass");
}
private function logLifeCycleEvent(e:Event):void {
if (Log.isInfo()) {
dynamicLogger(LogEventLevel.INFO, e, "STARTUP");
}
}
private function logUIEvent(e:MouseEvent):void {
if (Log.isDebug()) {
dynamicLogger(LogEventLevel.DEBUG, e, "EVENT");
}
}
private function dynamicLogger(
level:int,
e:Event, prefix:String):void {
var s:String = "__" + prefix + "__" + e.currentTarget +
":" + e.type;
myLogger.log(level, s);