protected ResultSet ParseResult(string cgiResultString)
{
var result = new ResultSet();
if(string.IsNullOrEmpty(cgiResultString))
{
result.State = ResultState.UnknownError;
return result;
}
var values = new Dictionary<string, string>();
var xDoc = XDocument.Parse(cgiResultString);
xDoc.Element("CGI_Result").Elements().ToList().ForEach(x =>
{
var key = x.Name.ToString();
var value = x.Value;
values.Add(key, value);
});
var stateString = string.Empty;
if(values.TryGetValue("result", out stateString))
{
var state = ResultState.None;
if(Enum.TryParse<ResultState>(stateString, out state))
{
result.State = state;
values.Remove("result");
}
}
result.Values = values;
return result;
}
protected ResultSet ExecuteCommand(string url)
{
var result = new ResultSet();
var client = new WebClient();
try
{
using (var stream = new StreamReader(client.OpenRead(url)))
{
var tmp = stream.ReadToEnd();
result = ParseResult(tmp);
}
}
catch(Exception ex)
{
throw new CamException("An unspecified Error while processing is occured.", ex);
}
if(result.State == ResultState.Success)
return result;
else if(result.State == ResultState.AccessDeny)
throw new CamException("Access denied");
else if(result.State == ResultState.CGIExecuteFail)
throw new CamException("CGI Execution failed");
else if(result.State == ResultState.RequestFormatError)
throw new CamException("Parameters Format Error");
else if(result.State == ResultState.Timeout)
throw new CamException("An Timeout is occured");
else if(result.State == ResultState.UserNameOrPasswordWrong)
throw new CamException("User or Password is wrong.");
else if(result.State == ResultState.UnknownError)
throw new CamException("An unknown Error is occured.");
else
throw new CamException("An unspecified Error is occured");
}