private void AssignValue(string queryParam, ActionArgumentDescriptor actionParam)
{
try
{
actionParam.ParamValue = Convert.ChangeType(queryParam, actionParam.ParamType);
}
catch(FormatException e)
{
throw new FormatException("Failed to bind parameter " + actionParam.ParamName + " of type " + actionParam.ParamType.Name + ". Query string value: " + queryParam);
}
}
private void BindParameter(IDictionary<string, string> queryParameters, ActionArgumentDescriptor actionParam)
{
if (actionParam.ParamValue != null)
return;
var queryParam = queryParameters.Any(p => p.Key.Equals(actionParam.ParamName, StringComparison.OrdinalIgnoreCase)) ? queryParameters[actionParam.ParamName] : null;
var isNullableActionParam = !actionParam.ParamType.IsValueType || (Nullable.GetUnderlyingType(actionParam.ParamType) != null);
if ((queryParam == null && isNullableActionParam))
return;
else if (queryParam == null && !isNullableActionParam)
throw new Exception("Failed to bind parameter " + actionParam.ParamName + " of type " + actionParam.ParamType);
else
AssignValue(queryParam, actionParam);
}