| /* |
| * Copyright (C) 2018 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.writing; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.squareup.javapoet.CodeBlock; |
| import dagger.internal.codegen.binding.BindingRequest; |
| import dagger.internal.codegen.binding.ContributionBinding; |
| import dagger.internal.codegen.javapoet.CodeBlocks; |
| import dagger.internal.codegen.writing.FrameworkFieldInitializer.FrameworkInstanceCreationExpression; |
| import dagger.model.DependencyRequest; |
| |
| /** An abstract factory creation expression for multibindings. */ |
| abstract class MultibindingFactoryCreationExpression |
| implements FrameworkInstanceCreationExpression { |
| private final ComponentImplementation componentImplementation; |
| private final ComponentBindingExpressions componentBindingExpressions; |
| private final ContributionBinding binding; |
| |
| MultibindingFactoryCreationExpression( |
| ContributionBinding binding, |
| ComponentImplementation componentImplementation, |
| ComponentBindingExpressions componentBindingExpressions) { |
| this.binding = checkNotNull(binding); |
| this.componentImplementation = checkNotNull(componentImplementation); |
| this.componentBindingExpressions = checkNotNull(componentBindingExpressions); |
| } |
| |
| /** Returns the expression for a dependency of this multibinding. */ |
| protected final CodeBlock multibindingDependencyExpression(DependencyRequest dependency) { |
| CodeBlock expression = |
| componentBindingExpressions |
| .getDependencyExpression( |
| BindingRequest.bindingRequest(dependency.key(), binding.frameworkType()), |
| componentImplementation.name()) |
| .codeBlock(); |
| |
| return useRawType() |
| ? CodeBlocks.cast(expression, binding.frameworkType().frameworkClass()) |
| : expression; |
| } |
| |
| /** The binding request for this framework instance. */ |
| protected final BindingRequest bindingRequest() { |
| return BindingRequest.bindingRequest(binding.key(), binding.frameworkType()); |
| } |
| |
| /** |
| * Returns true if the {@linkplain ContributionBinding#key() key type} is inaccessible from the |
| * component, and therefore a raw type must be used. |
| */ |
| protected final boolean useRawType() { |
| return !componentImplementation.isTypeAccessible(binding.key().type()); |
| } |
| |
| @Override |
| public final boolean useInnerSwitchingProvider() { |
| return !binding.dependencies().isEmpty(); |
| } |
| } |