public MetAdapter(Object moduleInstance, MethodInfo metInfo)
{
this.moduleInstance = moduleInstance;
this.metInfo = metInfo;
//conservative form
ParameterInfo[] pars = metInfo.GetParameters();
if (pars.Length == 2 &&
pars[0].ParameterType == typeof(HttpRequest) &&
pars[1].ParameterType == typeof(HttpResponse))
{
_conservativeForm = true;
}
else
{
parAdapters = new ParameterAdapter[pars.Length];
int i = 0;
foreach (ParameterInfo p in pars)
{
ParameterAdapter parAdapter = new ParameterAdapter(p.Name, p.ParameterType);
parAdapters[i] = parAdapter;
i++;
}
_conservativeForm = false;
}
}
object[] PrepareInputArgs(HttpRequest req)
{
int j = parAdapters.Length;
object[] pars = new object[j];
for (int i = 0; i < j; ++i)
{
ParameterAdapter a = parAdapters[i];
string inputValue = req.GetReqParameterValue(a.ParName);
pars[i] = a.GetActualValue(inputValue);
}
return(pars);
}
public void Invoke(HttpRequest req, HttpResponse resp)
{
//check parameter before invoke
if (parAdapters != null)
{
int j = parAdapters.Length;
object[] check = new object[j];
if (j != req.ReqParameters.Length) //parameters
{
resp.End("Please input only " + j + " parameters");
return;
}
for (int i = 0; i < j; ++i)
{
ParameterAdapter a = parAdapters[i];
string inputValue = req.GetReqParameterValue(a.ParName); //value
check[i] = a.GetActualValue(inputValue); //type
if (inputValue == "") //wrong parameter
{
resp.End("Wrong parameter name or invalid input.");
return;
}
if (check[i] == null) //worng type
{
resp.End("Wrong input type.");
return;
}
}
}
//object check = PrepareInputArgs(req);
if (_conservativeForm)
{
this.metInfo.Invoke(
moduleInstance, new object[] { req, resp }
);
}
else
{
//....prepare input
object result = metInfo.Invoke(moduleInstance, PrepareInputArgs(req));
//prepare result
resp.End(result.ToString());
}
}