我有以下单身人士:
package singletons{
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.IOErrorEvent;
import flash.net.SharedObject;
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.net.registerClassAlias;
public class AppConfiguration extends EventDispatcher
{
public static const SUCCESSFULCONFIGURATION:String = "ConfigurationSuccessful";
public static const CONFIGURATIONERROR:String = "ConfigurationError";
private var _userID:Number;
private var _serverIP:String;
private var _serverPort:Number;
private var _serverURL:String;
private static var _instance:AppConfiguration;
public static function getInstance():AppConfiguration
{
if (_instance == null)
{
_instance = new AppConfiguration();
registerClassAlias( "singletons.AppConfiguration", AppConfiguration );
}
return _instance;
}
public function initialize():Boolean
{
var configFile:SharedObject = SharedObject.getLocal("InternalConfiguration");
if (configFile.data.internalConfiguration == null)
{
return false;
}
var localConf:AppConfiguration = AppConfiguration(configFile.data.internalConfiguration);
_userID = localConf.UserID;
_serverIP = localConf.ServerIP;
_serverPort = localConf.ServerPort;
_serverURL = "http://" + _serverIP + ":" + _serverPort;
return true;
}
public function setInternalConfiguration(userID:Number, serverIP:String, serverPort:Number):void
{
_userID = userID;
_serverIP = serverIP;
_serverPort = serverPort;
_serverURL = "http://" + _serverIP + ":" + _serverPort;
var configurationRequest:URLRequest = new URLRequest(_serverURL + "/getHello?userID=" + _userID);
var requestLoader:URLLoader = new URLLoader();
requestLoader.addEventListener(Event.COMPLETE, getConfigurationHandler);
requestLoader.addEventListener(IOErrorEvent.IO_ERROR, getConfigurationErrorHandler);
requestLoader.load(configurationRequest);
}
private function getConfigurationHandler(event:Event):void
{
// 1.2.- Asignar los valores de las variables obtenidas a las variables locales
var configFile:SharedObject = SharedObject.getLocal("InternalConfiguration");
configFile.data.internalConfiguration = this as AppConfiguration;
configFile.flush();
var successEvent:Event = new Event(SUCCESSFULCONFIGURATION);
dispatchEvent(successEvent);
}
private function getConfigurationErrorHandler(event:IOErrorEvent):void
{
var failedEvent:Event = new Event(CONFIGURATIONERROR);
dispatchEvent(failedEvent);
}
public function get UserID():Number
{
return _userID;
}
public function get ServerIP():String
{
return _serverIP;
}
public function get ServerPort():Number
{
return _serverPort;
}
public function get ServerURL():String
{
return _serverURL;
}
}
}
当我尝试将两个单例的属性ServerURL和UserID绑定到属性URL和我的HTTPService的请求时,这些值在修改后不会在HTTPService中更新。进行绑定的代码如下:
<fx:Declarations>
<s:HTTPService id="getStatusService"
url="{internalConfiguration.ServerURL}/getObject"
result="getStatusHandler(event)" fault="getStatusErrorHandler(event)">
<s:request>
<codec>{internalConfiguration.CodecID}</codec>
</s:request>
</s:HTTPService>
</fx:Declarations>
当我执行getStatusService.send()时,它转到“null / getObject”。
任何人都知道为什么变量没有在HTTPService中更新?
感谢您的帮助。
圣塞瓦斯蒂安
答案 0 :(得分:0)
internalConfiguration.ServerURL没有被更新,因为从未调用initialize()方法(至少在您提供的代码中)。 ServerURL字段默认为空,这就是为什么它在httpservice中为null。考虑到ServerURL应该是可绑定的。 ServerURL也应该有setter,否则不会触发绑定。
不要忘记配置必须是可绑定的:
[Bindable]
private var internalConfiguration:AppConfiguration = AppConfiguration.getInstance();