81 lines
3.1 KiB
Java
81 lines
3.1 KiB
Java
/*
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* Copyright (C) 2014 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;
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import static dagger.internal.codegen.binding.MapKeys.getUnwrappedMapKeyType;
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import static dagger.internal.codegen.xprocessing.XTypes.isDeclared;
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import androidx.room.compiler.processing.XMessager;
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import androidx.room.compiler.processing.XType;
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import androidx.room.compiler.processing.XTypeElement;
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import com.google.common.collect.ImmutableSet;
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import com.squareup.javapoet.ClassName;
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import dagger.MapKey;
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import dagger.internal.codegen.javapoet.TypeNames;
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import dagger.internal.codegen.validation.MapKeyValidator;
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import dagger.internal.codegen.validation.TypeCheckingProcessingStep;
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import dagger.internal.codegen.validation.ValidationReport;
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import dagger.internal.codegen.writing.AnnotationCreatorGenerator;
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import dagger.internal.codegen.writing.UnwrappedMapKeyGenerator;
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import javax.inject.Inject;
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/**
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* The annotation processor responsible for validating the mapKey annotation and auto-generate
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* implementation of annotations marked with {@link MapKey @MapKey} where necessary.
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*/
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final class MapKeyProcessingStep extends TypeCheckingProcessingStep<XTypeElement> {
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private final XMessager messager;
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private final MapKeyValidator mapKeyValidator;
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private final AnnotationCreatorGenerator annotationCreatorGenerator;
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private final UnwrappedMapKeyGenerator unwrappedMapKeyGenerator;
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@Inject
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MapKeyProcessingStep(
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XMessager messager,
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MapKeyValidator mapKeyValidator,
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AnnotationCreatorGenerator annotationCreatorGenerator,
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UnwrappedMapKeyGenerator unwrappedMapKeyGenerator) {
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this.messager = messager;
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this.mapKeyValidator = mapKeyValidator;
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this.annotationCreatorGenerator = annotationCreatorGenerator;
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this.unwrappedMapKeyGenerator = unwrappedMapKeyGenerator;
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}
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@Override
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public ImmutableSet<ClassName> annotationClassNames() {
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return ImmutableSet.of(TypeNames.MAP_KEY);
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}
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@Override
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protected void process(XTypeElement mapAnnotation, ImmutableSet<ClassName> annotations) {
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ValidationReport mapKeyReport = mapKeyValidator.validate(mapAnnotation);
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mapKeyReport.printMessagesTo(messager);
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if (mapKeyReport.isClean()) {
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if (!mapAnnotation.getAnnotation(TypeNames.MAP_KEY).getAsBoolean("unwrapValue")) {
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annotationCreatorGenerator.generate(mapAnnotation, messager);
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} else if (isAnnotationType(getUnwrappedMapKeyType(mapAnnotation.getType()))) {
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unwrappedMapKeyGenerator.generate(mapAnnotation, messager);
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}
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}
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}
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private boolean isAnnotationType(XType type) {
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return isDeclared(type) && type.getTypeElement().isAnnotationClass();
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}
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}
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