// 从响应流中读取响应为实体
static T ReadAsResult <T>(Stream stream, Encoding encoding = null, Func <string, T> deserializer = null)
{
StreamReader reader = null;
string json = string.Empty;
try
{
// TODO 压缩类型流
reader = encoding != null ? new StreamReader(stream, encoding) : new StreamReader(stream);
json = reader.ReadToEnd();
if (typeof(T) == typeof(string))
{
return((T)(json as object));
}
else
{
T value = deserializer != null?deserializer(json) : SerializeHelper.DeserializeFromJson <T>(json);
return(value);
}
}
catch (Exception e)
{
if (string.IsNullOrEmpty(json))
{
throw;
}
else
{
// 抛出返回的原始 JSON
WebException we = e as WebException;
string line = e.Message;
if (we != null)
{
line = WebHelper.ReadWebException(we);
}
string message = string.Format("{0}{1}{2}", line, Environment.NewLine, json);
throw new XFrameworkException(message, e);
}
}
finally
{
if (reader != null)
{
reader.Close();
}
if (stream != null)
{
stream.Close();
}
}
}
