| /* |
| * Copyright (C) 2017 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.base; |
| |
| import static dagger.internal.codegen.langmodel.Accessibility.isTypeAccessibleFrom; |
| |
| import dagger.internal.codegen.langmodel.Accessibility; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.function.Predicate; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.AnnotationValue; |
| import javax.lang.model.element.VariableElement; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.util.SimpleAnnotationValueVisitor8; |
| |
| /** Utility class for checking the visibility of an annotation. */ |
| public final class MapKeyAccessibility extends SimpleAnnotationValueVisitor8<Boolean, Void> { |
| private final Predicate<TypeMirror> accessibilityChecker; |
| |
| private MapKeyAccessibility(Predicate<TypeMirror> accessibilityChecker) { |
| this.accessibilityChecker = accessibilityChecker; |
| } |
| |
| @Override |
| public Boolean visitAnnotation(AnnotationMirror annotation, Void aVoid) { |
| // The annotation type is not checked, as the generated code will refer to the @AutoAnnotation |
| // generated type which is always public |
| return visitValues(annotation.getElementValues().values()); |
| } |
| |
| @Override |
| public Boolean visitArray(List<? extends AnnotationValue> values, Void aVoid) { |
| return visitValues(values); |
| } |
| |
| private boolean visitValues(Collection<? extends AnnotationValue> values) { |
| return values.stream().allMatch(value -> value.accept(this, null)); |
| } |
| |
| @Override |
| public Boolean visitEnumConstant(VariableElement enumConstant, Void aVoid) { |
| return accessibilityChecker.test(enumConstant.getEnclosingElement().asType()); |
| } |
| |
| @Override |
| public Boolean visitType(TypeMirror type, Void aVoid) { |
| return accessibilityChecker.test(type); |
| } |
| |
| @Override |
| protected Boolean defaultAction(Object o, Void aVoid) { |
| return true; |
| } |
| |
| public static boolean isMapKeyAccessibleFrom( |
| AnnotationMirror annotation, String accessingPackage) { |
| return new MapKeyAccessibility(type -> isTypeAccessibleFrom(type, accessingPackage)) |
| .visitAnnotation(annotation, null); |
| } |
| |
| public static boolean isMapKeyPubliclyAccessible(AnnotationMirror annotation) { |
| return new MapKeyAccessibility(Accessibility::isTypePubliclyAccessible) |
| .visitAnnotation(annotation, null); |
| } |
| } |