protected override bool CanHandle(LambdaExpression expression)
{
if (expression.Body is MethodCallExpression)
{
return true;
}
return expression
.Convert(e => e.Body as UnaryExpression)
.Convert(ue => ue.Operand as MethodCallExpression)
.Convert(mc => mc.Object as ConstantExpression)
.Convert(ce => ce.Value as MethodInfo)
.Convert(mi => mi != null);
}
protected override string ExtractName(LambdaExpression expression)
{
var methodCallExpression = expression.Body as MethodCallExpression;
if (methodCallExpression != null)
{
return methodCallExpression.Method.Name;
}
var methodName =
expression.Convert(e => e.Body as UnaryExpression)
.Convert(ue => ue.Operand as MethodCallExpression)
.Convert(mc => mc.Object as ConstantExpression)
.Convert(ce => ce.Value as MethodInfo)
.Convert(mi => mi.Name);
if (!string.IsNullOrEmpty(methodName))
{
return methodName;
}
throw new InvalidOperationException();
}
