public object Convert(ArgumentConveresionContext context)
{
if (context.ParameterInfo.ParameterType == typeof(string))
{
return(context.Value?.ToString()?.ToUpper());
}
return(context.Value);
}
public Task InvokeAsync(InvocationContext invocationContext)
{
var parameters = invocationContext.TargetMethod.GetParameters();
for (int index = 0; index < invocationContext.Arguments.Length; index++)
{
var parameter = parameters[index];
var converterProviders = parameter.GetCustomAttributes(false).OfType <IArgumentConvertorProvider>().ToArray();
if (converterProviders.Length > 0)
{
var convertors = converterProviders.Select(it => it.GetArgumentConvertor()).ToArray();
var value = invocationContext.Arguments[0];
foreach (var convertor in convertors)
{
var context = new ArgumentConveresionContext(parameter, value);
value = convertor.Convert(context);
}
invocationContext.Arguments[index] = value;
}
}
return(_next(invocationContext));
}
