internal static object[] BindParameter(IDictionary<string, object> environment, IIMOwinOptions options, ValueProvider valueProvider, ParameterInfoSlim[] arguments)
{
var methodParameters = new object[arguments.Length];
for (var i = 0; i < arguments.Length; i++)
{
var item = arguments[i];
var _values = valueProvider.GetValue(item.Name);
var value = _values as string;
var values = _values as List<string>;
var isEmpty = _values == null;
if (isEmpty && !item.ParameterTypeIsArray)
{
if (item.IsOptional)
{
methodParameters[i] = item.DefaultValue;
continue;
}
if (!item.ParameterTypeIsString && (item.ParameterTypeIsClass || item.ParameterTypeIsNullable))
{
methodParameters[i] = null;
continue;
}
environment.EmitBadRequest();
return null;
}
if (!item.ParameterTypeIsArray)
{
var conv = TypeBinder.GetConverter(item.ParameterType);
if (conv == null) throw new InvalidOperationException("critical:register code is broken");
object pValue;
if (value != null && conv(value, out pValue))
{
methodParameters[i] = pValue;
continue;
}
if (item.IsOptional)
{
methodParameters[i] = item.DefaultValue;
continue;
}
if (!item.ParameterTypeIsString && (item.ParameterTypeIsClass || item.ParameterTypeIsNullable))
{
methodParameters[i] = null;
continue;
}
environment.EmitBadRequest();
return null;
}
var arrayConv = TypeBinder.GetArrayConverter(item.ParameterType);
if (arrayConv == null) throw new InvalidOperationException("critical:register code is broken");
methodParameters[i] = arrayConv(values ?? ((value != null) ? new[] { value } : (IList<string>)new string[0]));
}
return methodParameters;
}
