private ConstructorDescriptor ActivatorConstructorDescriptor()
{
var _constructorInfos = DescriptorType.GetConstructors();
var _resolveConstructor = (ConstructorInfo)null;
foreach (var _constructorInfo in _constructorInfos)
{
if (Attribute.IsDefined(_constructorInfo, typeof(ResolveConstructorAttribute)))
{
if (_constructorInfo.IsStatic)
{
throw new ResolveResourceException(string.Format(RESOLVECONST_MUSTBE_INSTANCE, DescriptorType.FullName), DescriptorType);
}
if (_resolveConstructor != null)
{
throw new ResolveResourceException(string.Format(RESOLVECONST_ONLYONCE, DescriptorType.FullName), DescriptorType);
}
if (DescriptorType.IsAbstract)
{
throw new ResolveResourceException(string.Format(RESOLVECONST_CANNOTBE_ABSTRACT, DescriptorType.FullName), DescriptorType);
}
_resolveConstructor = _constructorInfo;
}
}
// else we try to get a public and parameter-less constructor
if (_resolveConstructor == null)
{
_resolveConstructor = DescriptorType.GetConstructor(BindingFlags.Public | BindingFlags.Instance, null, EMPTY_PARAMETERS, null);
if (_resolveConstructor == null)
{
_resolveConstructor = DescriptorType.GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, EMPTY_PARAMETERS, null);
}
if (_resolveConstructor == null)
{
throw new ResolveResourceException(string.Format(BUILD_MUSTHAVE_DEFAULTCONST, DescriptorType.FullName), DescriptorType);
}
}
var _constructor = new ConstructorDescriptor();
_constructor.Constructor = _resolveConstructor;
var _parameters = _resolveConstructor.GetParameters();
if (_parameters.Length == 0)
{
_constructor.ConstructorDelegate = TypeActivator.CreateConstructorDelegate(_resolveConstructor);
_constructor.ParameterDescriptors = Enumerable.Empty <ParameterDescriptor>();
}
else
{
_constructor.ConstructorParameterDelegate = TypeActivator.CreateConstructorParametersDelegate(_resolveConstructor);
_constructor.ParameterDescriptors = ResolveConstructorParametersDescriptor(_parameters);
}
return(_constructor);
}
