Hi,
In my model I want to use services injected from an application (Win,
Web, Service).
A small example. Let's say I have User class with Username, Password
(private) and Set/CheckPassword method.
The Set/CheckPassword methods should use IPasswordEncryption service.
So depending on the implementation it should store password as clear
text, hash etc.
So I implement the method (on User class) similar to this:
public void SetPassword(string newPassword) {
var service = (IPasswordEncryption)ModelInjection.GetContainer()
.Resolve(typeof(IPasswordEncryption));
this.Password = service.EncryptPassword(newPassword);
}
But I'm not sure how to implement GetContainer method. Actually where
should I obtain IWindsorContainer instance from?
Static variable? ThreadStatic?
I don't want my model to know where itself is going to be used.
Currently I implement ModelInjection.GetContainer() like this? But I
don't like how it smells and, on the other hand, I don't see a better
way.
public static class ModelInjection {
[ThreadStatic]
private IWindsorContainer container;
public static IWindsorContainer GetContainer() {
if (container == null)
throw new InvalidOperationException("The container is not
injected from consumer. Please do it.");
return container;
}
public static SetContainer(IWindsorContainer newContainer) {
if (newContainer == null)
throw new ArgumentNullException("newContainer");
if (container != null)
throw new NotSupportedException("The container has already been
injected. We do not want to support its replacement now.");
container = newContainer;
}
}
Then in my application I can do ModelInjection.SetContainer (from
Application_BeginRequest in Web or anywhere in Win).
Is this a good approach? Some suggestions please?
Thanks,
Dmitriy.
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