| /* |
| * Copyright (C) 2018 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.internal.codegen.writing; |
| |
| import static com.squareup.javapoet.MethodSpec.constructorBuilder; |
| import static com.squareup.javapoet.TypeSpec.classBuilder; |
| import static javax.lang.model.element.Modifier.FINAL; |
| import static javax.lang.model.element.Modifier.PRIVATE; |
| import static javax.lang.model.element.Modifier.PUBLIC; |
| |
| import com.squareup.javapoet.ClassName; |
| import com.squareup.javapoet.TypeSpec; |
| import dagger.internal.codegen.base.SourceFileGenerator; |
| import dagger.internal.codegen.binding.ContributionBinding; |
| import dagger.internal.codegen.binding.MapKeys; |
| import dagger.internal.codegen.langmodel.DaggerElements; |
| import dagger.internal.codegen.langmodel.DaggerTypes; |
| import java.util.Optional; |
| import javax.annotation.processing.Filer; |
| import javax.inject.Inject; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.Element; |
| |
| /** |
| * Generates a class that exposes a non-{@code public} {@link |
| * ContributionBinding#mapKeyAnnotation()} @MapKey} annotation. |
| */ |
| public final class InaccessibleMapKeyProxyGenerator |
| extends SourceFileGenerator<ContributionBinding> { |
| private final DaggerTypes types; |
| private final DaggerElements elements; |
| |
| @Inject |
| InaccessibleMapKeyProxyGenerator( |
| Filer filer, DaggerTypes types, DaggerElements elements, SourceVersion sourceVersion) { |
| super(filer, elements, sourceVersion); |
| this.types = types; |
| this.elements = elements; |
| } |
| |
| @Override |
| public ClassName nameGeneratedType(ContributionBinding binding) { |
| return MapKeys.mapKeyProxyClassName(binding); |
| } |
| |
| @Override |
| public Element originatingElement(ContributionBinding binding) { |
| // a map key is only ever present on bindings that have a binding element |
| return binding.bindingElement().get(); |
| } |
| |
| @Override |
| public Optional<TypeSpec.Builder> write(ContributionBinding binding) { |
| return MapKeys.mapKeyFactoryMethod(binding, types, elements) |
| .map( |
| method -> |
| classBuilder(nameGeneratedType(binding)) |
| .addModifiers(PUBLIC, FINAL) |
| .addMethod(constructorBuilder().addModifiers(PRIVATE).build()) |
| .addMethod(method)); |
| } |
| } |