I'm currently developing a web framework based on Guice + Guice Servlet.
I have a component that needs to dynamically check to see if a Provider has
been binded for a given type. To do that, I inject the Injector in its
constructor.
But it seems that if I *only inject the Injector itself*, the Injector
isn't able to get a Provider :
------------
public class MyComponent
{
@Inject
public MyComponent(Injector injector)
{
// Throws a ConfigurationException exception :
Provider<?> provider =
injector.getProvider(HttpServletRequest.class);
}
}
------------
But if I inject *any other dependency at the same time*, then the Injector
works :
------------
public class MyComponent
{
@Inject
public MyComponent(AnotherComponent anotherComponent, Injector injector)
{
// Works!!
Provider<?> provider =
injector.getProvider(HttpServletRequest.class);
}
}
------------
I'd really like to understand this behavior! Any help?
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