public static ReqMsgBase GetReqMsgEntity(XDocument doc)
{
ReqMsgBase reqMsg = null;
string msgType = doc.Root.Element(CommonEnum.MSG_TYPE).Value;
switch (msgType)
{
case MsgTypeEnum.TEXT:
reqMsg = new ReqMsgText();
break;
case MsgTypeEnum.EVENT:
string eventType = doc.Root.Element(CommonEnum.EVENT_TYPE).Value;
switch (eventType)
{
case "subscribe":
reqMsg = new ReqEventSubscribe();
break;
case "CLICK":
reqMsg = new ReqEventClick();
break;
}
break;
}
EntityXmlHelper.FillEntityWithXml(reqMsg, doc);
return(reqMsg);
}
/// <summary>
/// 创建处理器
/// </summary>
/// <param name="requestXml">请求的xml</param>
/// <returns>IHandler对象</returns>
public static IHandler CreateHandler(ReqMsgBase reqMsg)
{
IHandler handler = null;
if (reqMsg != null)
{
string msgType = reqMsg.MsgType;
switch (msgType)
{
case MsgTypeEnum.TEXT:
handler = new TextHandler((ReqMsgText)reqMsg);
break;
case MsgTypeEnum.EVENT:
ReqEventBase reqEvent = (ReqEventBase)reqMsg;
string eventType = reqEvent.Event;
switch (eventType)
{
case "subscribe":
handler = new SubscribeEventHandler((ReqEventSubscribe)reqMsg);
break;
case "CLICK":
handler = new ClickEventHandler((ReqEventClick)reqMsg);
break;
}
break;
}
}
return(handler);
}
/// <summary>
/// 处理请求
/// </summary>
/// <returns></returns>
public string ResponseMsg(ReqMsgBase reqMsg)
{
IHandler handler = HandlerFactory.CreateHandler(reqMsg);
if (handler != null)
{
return(handler.HandleRequest());
}
return(string.Empty);
}
public string Execute()
{
if (request.HttpMethod.ToUpper().Equals("GET"))
{
string signature = request.QueryString[CommonEnum.SIGNATURE];
string timestamp = request.QueryString[CommonEnum.TIMESTAMP];
string nonce = request.QueryString[CommonEnum.NONCE];
if (CheckSignature.Check(signature, timestamp, nonce))
{
return(HttpContext.Current.Request.QueryString[CommonEnum.ECHOSTR]);
}
else
{
return(string.Empty);
}
}
else
{
string requestXml = RequestUtility.ReadRequest(request);
ReqMsgBase reqMsg = ReqMsgFactory.GetReqMsgEntity(XDocument.Parse(requestXml));
return(ResponseMsg(reqMsg));
}
}