/// <summary>
/// 获取XDocument转换后的IResponseMessageBase实例（通常在反向读取日志的时候用到）。
/// 如果MsgType不存在，抛出UnknownRequestMsgTypeException异常
/// </summary>
/// <returns></returns>
public static IWorkResponseMessageBase GetResponseEntity(XDocument doc)
{
WorkResponseMessageBase responseMessage = null;
ResponseMsgType msgType;
try
{
msgType = MsgTypeHelper.GetResponseMsgType(doc);
switch (msgType)
{
case ResponseMsgType.Text:
responseMessage = new ResponseMessageText();
break;
case ResponseMsgType.Image:
responseMessage = new ResponseMessageImage();
break;
case ResponseMsgType.Voice:
responseMessage = new ResponseMessageVoice();
break;
case ResponseMsgType.Video:
responseMessage = new ResponseMessageVideo();
break;
case ResponseMsgType.News:
responseMessage = new ResponseMessageNews();
break;
default:
throw new UnknownRequestMsgTypeException(string.Format("MsgType：{0} 在ResponseMessageFactory中没有对应的处理程序！", msgType), new ArgumentOutOfRangeException());
}
EntityHelper.FillEntityWithXml(responseMessage, doc);
}
catch (ArgumentException ex)
{
throw new WeixinException(string.Format("ResponseMessage转换出错！可能是MsgType不存在！，XML：{0}", doc.ToString()), ex);
}
return(responseMessage);
}
/// <summary>
/// ResponseMessageBase.CreateFromResponseXml(xml)的扩展方法
/// </summary>
/// <param name="xml">返回给服务器的Response Xml</param>
/// <returns></returns>
public static IWorkResponseMessageBase CreateResponseMessage(this string xml)
{
return(WorkResponseMessageBase.CreateFromResponseXml(xml));
}
/// <summary>
/// ResponseMessageBase.CreateFromRequestMessage<T>(requestMessage)的扩展方法
/// </summary>
/// <typeparam name="T">需要生成的ResponseMessage类型</typeparam>
/// <param name="requestMessage">IRequestMessageBase接口下的接收信息类型</param>
/// <returns></returns>
public static T CreateResponseMessage <T>(this IWorkRequestMessageBase requestMessage) where T : WorkResponseMessageBase
{
return(WorkResponseMessageBase.CreateFromRequestMessage <T>(requestMessage));
}
