Given a custom annotation MyAnnotation it shall be possible to inject an
instance of MyManager (interface):
@MyAnnotation( classes = { A.class })
private MyManager myManager;
Currently I'm not sure how to bind the value of the found annotation
parameter to inject it into the provider implementation:
protected void configure() {
//...
bind(MyManager.class).toProvider(MyManagerProvider.class);
bindListener(Matchers.any(), new MyManagerTypeListener());
}
The TypeListener implementation:
public <T> void hear(TypeLiteral<T> typeLiteral,
TypeEncounter<T> typeEncounter) {
for (Field field : typeLiteral.getRawType().getDeclaredFields()) {
if (field.getType() == MyManager.class
&& field.isAnnotationPresent(MyAnnotation.class)) {
typeEncounter.register(new MyManagerInjector<T>(field,
typeEncounter.getProvider(MyManager.class).get());
}
}
}
And finally the Provider implementation:
public class MyManagerProvider implements Provider<MyManager> {
private final Class<?>[] classes;
@Inject
public MyManagerProvider(final Class<?>... classes) {
this.classes = classes;
}
public MyManager get() {
return MyManagerImpl(classes);
}
}
Kindest regards, Lars
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