1 /* 2 * Copyright (C) 2017 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.internal.codegen.base; 18 19 import static dagger.internal.codegen.langmodel.Accessibility.isTypeAccessibleFrom; 20 21 import androidx.room.compiler.processing.XAnnotation; 22 import androidx.room.compiler.processing.XAnnotationValue; 23 import androidx.room.compiler.processing.XType; 24 import dagger.internal.codegen.langmodel.Accessibility; 25 import java.util.List; 26 import java.util.function.Predicate; 27 28 /** Utility class for checking the visibility of an annotation. */ 29 public final class MapKeyAccessibility { 30 MapKeyAccessibility()31 private MapKeyAccessibility() {} 32 checkAnnotation( XAnnotation annotation, Predicate<XType> accessibilityChecker)33 private static boolean checkAnnotation( 34 XAnnotation annotation, Predicate<XType> accessibilityChecker) { 35 return checkValues(annotation.getAnnotationValues(), accessibilityChecker); 36 } 37 checkValues( List<XAnnotationValue> values, Predicate<XType> accessibilityChecker)38 private static boolean checkValues( 39 List<XAnnotationValue> values, Predicate<XType> accessibilityChecker) { 40 return values.stream().allMatch(value -> checkValue(value, accessibilityChecker)); 41 } 42 checkValue(XAnnotationValue value, Predicate<XType> accessibilityChecker)43 private static boolean checkValue(XAnnotationValue value, Predicate<XType> accessibilityChecker) { 44 if (value.hasListValue()) { 45 return checkValues(value.asAnnotationValueList(), accessibilityChecker); 46 } else if (value.hasAnnotationValue()) { 47 return checkAnnotation(value.asAnnotation(), accessibilityChecker); 48 } else if (value.hasEnumValue()) { 49 return accessibilityChecker.test(value.asEnum().getEnclosingElement().getType()); 50 } else if (value.hasTypeValue()) { 51 return accessibilityChecker.test(value.asType()); 52 } else { 53 return true; 54 } 55 } 56 isMapKeyAccessibleFrom(XAnnotation annotation, String accessingPackage)57 public static boolean isMapKeyAccessibleFrom(XAnnotation annotation, String accessingPackage) { 58 return checkAnnotation(annotation, type -> isTypeAccessibleFrom(type, accessingPackage)); 59 } 60 isMapKeyPubliclyAccessible(XAnnotation annotation)61 public static boolean isMapKeyPubliclyAccessible(XAnnotation annotation) { 62 return checkAnnotation(annotation, Accessibility::isTypePubliclyAccessible); 63 } 64 } 65