public static IWReqBase GetRequestEntity(XDocument doc)
{
WReqBase request = null;
try
{
if (doc.Root != null)
{
var xElement = doc.Root.Element("MsgType");
if (xElement != null)
{
var msgType = EnumHelper.ParseEnum(xElement.Value, WReqType.Text);
switch (msgType)
{
case WReqType.Text:
request = new WReqText();
break;
case WReqType.Location:
request = new WReqLocation();
break;
case WReqType.Image:
request = new WReqImage();
break;
case WReqType.Voice:
request = new WReqVoice();
break;
case WReqType.Video:
request = new WReqVideo();
break;
case WReqType.Link:
request = new WReqLink();
break;
case WReqType.Event: //判断Event类型
var eventElement = doc.Root.Element("Event");
if (eventElement != null)
{
var eventType = EnumHelper.ParseEnum(eventElement.Value, EventType.UnDefine);
switch (eventType)
{
case EventType.Subscribe: //订阅（关注）
request = new WReqEventSubscribe();
break;
case EventType.UnSubscribe: //取消订阅（关注）
request = new WReqEventUnSubscribe();
break;
case EventType.Scan: //二维码扫描
request = new WReqEventScan();
break;
case EventType.Click: //菜单点击
request = new WReqEventClick();
break;
case EventType.View: //Url跳转
request = new WReqEventView();
break;
case EventType.Location: //地理位置上报
request = new WReqEventLocation();
break;
case EventType.Masssendjobfinish:
request = new WReqEventMasssendJobFinish();
break;
case EventType.UnDefine: {
if (eventElement.Value.ToLower().Contains("card"))
{
WReqEventCard cardRequest = new WReqEventCard();
cardRequest.EventKey = eventElement.Value.ToLower();
request = cardRequest;
doc.Root.Element("Event").SetValue("Card");
break;
}
request = new WReqEventBase();
//LogServices.WriteTxtLogEx("WRequestFactory", "未定义的Event{0},Xml:{1}", eventElement.Value, doc.ToString());
break;
}
default: //其他意外类型（也可以选择抛出异常）
request = new WReqEventBase();
//LogServices.WriteTxtLogEx("WRequestFactory", "未定义的Event{0},Xml:{1}", eventElement.Value, doc.ToString());
break;
}
}
break;
default:
//为了能够对类型变动最大程度容错（如微信目前还可以对公众账号suscribe等未知类型，但API没有开放），建议在使用的时候catch这个异常
//LogServices.WriteTxtLogEx("WRequestFactory", "未定义的MsgType{0},Xml:{1}", xElement.Value, doc.ToString());
throw new Exception(string.Format("MsgType：{0} 在RequestFactory中没有对应的处理程序！", msgType), new ArgumentOutOfRangeException());
}
request.FillWithXml(doc);
}
}
}
catch (ArgumentException ex)
{
throw new Exception(string.Format("Request转换出错！可能是MsgType不存在！，XML：{0} ,错误信息：{1}", doc.ToString(SaveOptions.None), ex.Message), ex);
}
return(request);
}
/// <summary> /// 处理没有匹配到的所有事件的默认实现 /// </summary> /// <param name="request"></param> /// <returns></returns> protected abstract IWRespBase DoForRequest_Default(WReqBase request);