[Java] Better ergonomics for AllowListChecker

[thmd]

Feature Request

AllowListChecker checker = new AllowListChecker(AllowListChecker.CheckLevel.STRICT);
ThreadSafeFory fory = new ThreadLocalFory(classLoader -> {
  Fory f = Fory.builder().requireClassRegistration(true).withClassLoader(classLoader).build();
  f.getClassResolver().setClassChecker(checker);
  checker.addListener(f.getClassResolver());
  return f;
});
checker.allowClass("org.example.*");

I think it makes sense setClassChecker doing checker.addListener(f.getClassResolver()); automatically unless I'm missing something.

Also after adding AllowListChecker I still get this error in log

ForyBuilder:477 [Test worker] - Class registration isn't forced, unknown classes can be deserialized. If the environment isn't secure, please enable class registration by ForyBuilder#requireClassRegistration(true)or configure TypeChecker byTypeResolver#setTypeChecker``

I think the security error should be suppressed with a TypeChecker registered since I'm not allowing any random class.

Is your feature request related to a problem? Please describe

No response

Describe the solution you'd like

I think either registration or TypeChecker should stop the unsafe serialization error.

Describe alternatives you've considered

No response

Additional context

No response

[chaokunyang]

You are right, when setClassChecker/setTypeChecker, we should not print this warning log again. Would you like to submit a pr to fix it?