89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
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/*
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* Copyright (C) 2016 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.internal.codegen.validation;
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import static dagger.internal.codegen.base.Keys.isValidImplicitProvisionKey;
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import static dagger.internal.codegen.binding.InjectionAnnotations.injectedConstructors;
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import static dagger.internal.codegen.validation.BindingElementValidator.AllowsMultibindings.NO_MULTIBINDINGS;
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import static dagger.internal.codegen.validation.BindingElementValidator.AllowsScoping.NO_SCOPING;
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import static dagger.internal.codegen.validation.BindingMethodValidator.Abstractness.MUST_BE_ABSTRACT;
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import static dagger.internal.codegen.validation.BindingMethodValidator.ExceptionSuperclass.NO_EXCEPTIONS;
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import androidx.room.compiler.processing.XMethodElement;
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import androidx.room.compiler.processing.XType;
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import com.google.common.collect.ImmutableSet;
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import dagger.internal.codegen.binding.InjectionAnnotations;
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import dagger.internal.codegen.javapoet.TypeNames;
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import dagger.internal.codegen.langmodel.DaggerTypes;
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import javax.inject.Inject;
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/** A validator for {@link dagger.BindsOptionalOf} methods. */
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final class BindsOptionalOfMethodValidator extends BindingMethodValidator {
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private final InjectionAnnotations injectionAnnotations;
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@Inject
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BindsOptionalOfMethodValidator(
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DaggerTypes types,
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DependencyRequestValidator dependencyRequestValidator,
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InjectionAnnotations injectionAnnotations) {
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super(
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types,
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TypeNames.BINDS_OPTIONAL_OF,
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ImmutableSet.of(TypeNames.MODULE, TypeNames.PRODUCER_MODULE),
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dependencyRequestValidator,
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MUST_BE_ABSTRACT,
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NO_EXCEPTIONS,
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NO_MULTIBINDINGS,
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NO_SCOPING,
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injectionAnnotations);
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this.injectionAnnotations = injectionAnnotations;
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}
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@Override
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protected ElementValidator elementValidator(XMethodElement method) {
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return new Validator(method);
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}
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private class Validator extends MethodValidator {
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private final XMethodElement method;
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Validator(XMethodElement method) {
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super(method);
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this.method = method;
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}
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@Override
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protected void checkKeyType(XType keyType) {
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super.checkKeyType(keyType);
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if (isValidImplicitProvisionKey(
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injectionAnnotations.getQualifiers(method).stream().findFirst(), keyType)
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&& !injectedConstructors(keyType.getTypeElement()).isEmpty()) {
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report.addError(
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"@BindsOptionalOf methods cannot return unqualified types that have an @Inject-"
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+ "annotated constructor because those are always present");
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}
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}
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@Override
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protected void checkParameters() {
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if (!method.getParameters().isEmpty()) {
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report.addError("@BindsOptionalOf methods cannot have parameters");
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}
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}
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}
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}
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