| /* |
| * 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.writing; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static dagger.internal.codegen.binding.SourceFiles.setFactoryClassName; |
| |
| import com.squareup.javapoet.CodeBlock; |
| import dagger.internal.codegen.base.ContributionType; |
| import dagger.internal.codegen.base.SetType; |
| import dagger.internal.codegen.binding.BindingGraph; |
| import dagger.internal.codegen.binding.BindingType; |
| import dagger.internal.codegen.binding.ContributionBinding; |
| import dagger.model.DependencyRequest; |
| import dagger.producers.Produced; |
| |
| /** A factory creation expression for a multibound set. */ |
| final class SetFactoryCreationExpression extends MultibindingFactoryCreationExpression { |
| private final BindingGraph graph; |
| private final ContributionBinding binding; |
| |
| SetFactoryCreationExpression( |
| ContributionBinding binding, |
| ComponentImplementation componentImplementation, |
| ComponentBindingExpressions componentBindingExpressions, |
| BindingGraph graph) { |
| super(binding, componentImplementation, componentBindingExpressions); |
| this.binding = checkNotNull(binding); |
| this.graph = checkNotNull(graph); |
| } |
| |
| @Override |
| public CodeBlock creationExpression() { |
| CodeBlock.Builder builder = CodeBlock.builder().add("$T.", setFactoryClassName(binding)); |
| if (!useRawType()) { |
| SetType setType = SetType.from(binding.key()); |
| builder.add( |
| "<$T>", |
| setType.elementsAreTypeOf(Produced.class) |
| ? setType.unwrappedElementType(Produced.class) |
| : setType.elementType()); |
| } |
| |
| int individualProviders = 0; |
| int setProviders = 0; |
| CodeBlock.Builder builderMethodCalls = CodeBlock.builder(); |
| String methodNameSuffix = |
| binding.bindingType().equals(BindingType.PROVISION) ? "Provider" : "Producer"; |
| |
| for (DependencyRequest dependency : binding.dependencies()) { |
| ContributionType contributionType = |
| graph.contributionBinding(dependency.key()).contributionType(); |
| String methodNamePrefix; |
| switch (contributionType) { |
| case SET: |
| individualProviders++; |
| methodNamePrefix = "add"; |
| break; |
| case SET_VALUES: |
| setProviders++; |
| methodNamePrefix = "addCollection"; |
| break; |
| default: |
| throw new AssertionError(dependency + " is not a set multibinding"); |
| } |
| |
| builderMethodCalls.add( |
| ".$N$N($L)", |
| methodNamePrefix, |
| methodNameSuffix, |
| multibindingDependencyExpression(dependency)); |
| } |
| builder.add("builder($L, $L)", individualProviders, setProviders); |
| builder.add(builderMethodCalls.build()); |
| |
| return builder.add(".build()").build(); |
| } |
| } |