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