I am using the Autofac IOC with construcor validation. I can't figure out how to register the classes in the IOC so that LogotypeService gets LogoImageValidator and AdService get AdValidator injected in it's constructors.
I don't want to specify which instance of SomeClass that should be injected.
I have:
- One validation interface (IImageValidator)
- One base class for the common validation logic (ImageValidatorBase)
- Two subclasses which holds specific valiation logic (LogoImageValidator and AdImageValidator)
- One service interface (IService)
- Two services which each should use different subclasses for validation. (LogotypeService should use LogoImageValidator) and (AdService should use AdValidator)
Interface
public interface IImageValidator
{
bool ValidFileSize();
}
Base class:
public abstract class ImageValidatorBase : IImageValidator
{
//constructor omitted
Public abstract ValidFileSize()
{
//shared code
}
}
Subclass LogoImageValidator
public class LogoImageValidator : ImageValidator
{
//constructor omitted
public override bool ValidFileSize()
{
//class specific code
}
}
Subclass AdImageValidator
public class AdImageValidator : ImageValidator
{
//constructor omitted
public override bool ValidFileSize()
{
//class specific code
}
}
IService
public interface IService{
bool ValidFileSize();
}
LogotypeService
public class LogotypeService : IService
{
private readonly ISomeClass _someClass;
private readonly IImageValidator _imageValidator;
public LogotypeService(ISomeClass someClass, IImageValidator imageValidator)
{
_someClass = someClass;
_imageValidator = imageValidator;
}
public bool ValidFileSize()
{
_imageValidator.ValidFileSize();//use LogoImageValidator subclass here
}
}
AdService
public class AdService : IService
{
private readonly ISomeClass _someClass;
private readonly IImageValidator _imageValidator;
public AdService(ISomeClass someClass, IImageValidator imageValidator)
{
_someClass = someClass;
_imageValidator = imageValidator;
}
public bool ValidFileSize()
{
_imageValidator.ValidFileSize();//use AdValidator subclass here
}
}
Any ideas?