| /* |
| * Copyright (C) 2019 The Dagger Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package dagger.hilt.android.internal.managers; |
| |
| import android.app.Application; |
| import android.app.Service; |
| import dagger.hilt.EntryPoint; |
| import dagger.hilt.EntryPoints; |
| import dagger.hilt.InstallIn; |
| import dagger.hilt.android.internal.builders.ServiceComponentBuilder; |
| import dagger.hilt.components.SingletonComponent; |
| import dagger.hilt.internal.GeneratedComponentManager; |
| import dagger.hilt.internal.Preconditions; |
| |
| /** |
| * Do not use except in Hilt generated code! |
| * |
| * <p>A manager for the creation of components that live in the Service. |
| * |
| * <p>Note: This class is not typed since its type in generated code is always <?> or <Object>. This |
| * is mainly due to the fact that we don't know the components at the time of generation, and |
| * because even the injector interface type is not a valid type if we have a hilt base class. |
| */ |
| public final class ServiceComponentManager implements GeneratedComponentManager<Object> { |
| /** Entrypoint for {@link ServiceComponentBuilder}. */ |
| @EntryPoint |
| @InstallIn(SingletonComponent.class) |
| public interface ServiceComponentBuilderEntryPoint { |
| ServiceComponentBuilder serviceComponentBuilder(); |
| } |
| |
| private final Service service; |
| private Object component; |
| |
| public ServiceComponentManager(Service service) { |
| this.service = service; |
| } |
| |
| // This isn't ever really publicly exposed on a service so it should be fine without |
| // synchronization. |
| @Override |
| public Object generatedComponent() { |
| if (component == null) { |
| component = createComponent(); |
| } |
| return component; |
| } |
| |
| private Object createComponent() { |
| Application application = service.getApplication(); |
| Preconditions.checkState( |
| application instanceof GeneratedComponentManager, |
| "Hilt service must be attached to an @AndroidEntryPoint Application. Found: %s", |
| application.getClass()); |
| |
| return EntryPoints.get(application, ServiceComponentBuilderEntryPoint.class) |
| .serviceComponentBuilder() |
| .service(service) |
| .build(); |
| } |
| } |