| /* |
| * Copyright (C) 2014 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.binding; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static dagger.internal.codegen.base.ComponentAnnotation.subcomponentAnnotations; |
| import static dagger.internal.codegen.base.ComponentCreatorAnnotation.subcomponentCreatorAnnotations; |
| import static dagger.internal.codegen.extension.DaggerStreams.toImmutableSet; |
| import static dagger.internal.codegen.xprocessing.XElements.hasAnyAnnotation; |
| |
| import androidx.room.compiler.processing.XElement; |
| import androidx.room.compiler.processing.XTypeElement; |
| import com.google.common.collect.ImmutableSet; |
| import com.squareup.javapoet.ClassName; |
| import dagger.Component; |
| import dagger.Module; |
| import java.util.Optional; |
| |
| /** |
| * Utility methods related to dagger configuration annotations (e.g.: {@link Component} and {@link |
| * Module}). |
| */ |
| public final class ConfigurationAnnotations { |
| |
| public static Optional<XTypeElement> getSubcomponentCreator(XTypeElement subcomponent) { |
| checkArgument(subcomponent.hasAnyAnnotation(subcomponentAnnotations())); |
| return subcomponent.getEnclosedTypeElements().stream() |
| .filter(ConfigurationAnnotations::isSubcomponentCreator) |
| // TODO(bcorso): Consider doing toOptional() instead since there should be at most 1. |
| .findFirst(); |
| } |
| |
| static boolean isSubcomponentCreator(XElement element) { |
| return hasAnyAnnotation(element, subcomponentCreatorAnnotations()); |
| } |
| |
| /** Returns the enclosed types annotated with the given annotation. */ |
| public static ImmutableSet<XTypeElement> enclosedAnnotatedTypes( |
| XTypeElement typeElement, ImmutableSet<ClassName> annotations) { |
| return typeElement.getEnclosedTypeElements().stream() |
| .filter(enclosedType -> hasAnyAnnotation(enclosedType, annotations)) |
| .collect(toImmutableSet()); |
| } |
| |
| private ConfigurationAnnotations() {} |
| } |