| /* |
| * Copyright (C) 2015 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; |
| |
| import static com.google.auto.common.MoreTypes.isType; |
| |
| import com.google.auto.common.MoreTypes; |
| import com.google.common.collect.ImmutableSet; |
| import dagger.Lazy; |
| import dagger.MembersInjector; |
| import dagger.producers.Produced; |
| import dagger.producers.Producer; |
| import java.util.Set; |
| import javax.inject.Provider; |
| import javax.lang.model.type.TypeMirror; |
| |
| /** |
| * A collection of utility methods for dealing with Dagger framework types. A framework type is any |
| * type that the framework itself defines. |
| */ |
| final class FrameworkTypes { |
| private static final ImmutableSet<Class<?>> PROVISION_TYPES = |
| ImmutableSet.of(Provider.class, Lazy.class, MembersInjector.class); |
| |
| // NOTE(beder): ListenableFuture is not considered a producer framework type because it is not |
| // defined by the framework, so we can't treat it specially in ordinary Dagger. |
| private static final ImmutableSet<Class<?>> PRODUCTION_TYPES = |
| ImmutableSet.of(Produced.class, Producer.class); |
| |
| /** Returns true if the type represents a producer-related framework type. */ |
| static boolean isProducerType(TypeMirror type) { |
| return isType(type) && typeIsOneOf(PRODUCTION_TYPES, type); |
| } |
| |
| /** Returns true if the type represents a framework type. */ |
| static boolean isFrameworkType(TypeMirror type) { |
| return isType(type) |
| && (typeIsOneOf(PROVISION_TYPES, type) |
| || typeIsOneOf(PRODUCTION_TYPES, type)); |
| } |
| |
| private static boolean typeIsOneOf(Set<Class<?>> classes, TypeMirror type) { |
| for (Class<?> clazz : classes) { |
| if (MoreTypes.isTypeOf(clazz, type)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private FrameworkTypes() {} |
| } |