104 lines
3.8 KiB
Java
104 lines
3.8 KiB
Java
/*
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* Copyright (C) 2015 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.internal.codegen;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static dagger.internal.codegen.SourceFiles.setFactoryClassName;
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import com.squareup.javapoet.CodeBlock;
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import dagger.model.DependencyRequest;
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import dagger.producers.Produced;
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import java.util.Optional;
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/** A factory creation expression for a multibound set. */
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final class SetFactoryCreationExpression extends MultibindingFactoryCreationExpression {
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private final ComponentImplementation componentImplementation;
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private final BindingGraph graph;
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private final ContributionBinding binding;
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SetFactoryCreationExpression(
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ContributionBinding binding,
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ComponentImplementation componentImplementation,
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ComponentBindingExpressions componentBindingExpressions,
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BindingGraph graph) {
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super(binding, componentImplementation, componentBindingExpressions);
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this.binding = checkNotNull(binding);
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this.componentImplementation = checkNotNull(componentImplementation);
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this.graph = checkNotNull(graph);
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}
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@Override
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public CodeBlock creationExpression() {
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CodeBlock.Builder builder = CodeBlock.builder().add("$T.", setFactoryClassName(binding));
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if (!useRawType()) {
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SetType setType = SetType.from(binding.key());
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builder.add(
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"<$T>",
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setType.elementsAreTypeOf(Produced.class)
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? setType.unwrappedElementType(Produced.class)
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: setType.elementType());
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}
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int individualProviders = 0;
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int setProviders = 0;
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CodeBlock.Builder builderMethodCalls = CodeBlock.builder();
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String methodNameSuffix =
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binding.bindingType().equals(BindingType.PROVISION) ? "Provider" : "Producer";
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Optional<CodeBlock> superContributions = superContributions();
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if (superContributions.isPresent()) {
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// TODO(b/117833324): consider decomposing the Provider<Set<Provider>> and adding the
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// individual contributions separately from the collection contributions. Though this may
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// actually not be doable/desirable if the super provider instance is a DelegateFactory or
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// another internal type that is not SetFactory
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builderMethodCalls.add(".addCollection$N($L)", methodNameSuffix, superContributions.get());
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setProviders++;
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}
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for (DependencyRequest dependency : dependenciesToImplement()) {
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ContributionType contributionType =
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graph.contributionBindings().get(dependency.key()).contributionType();
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String methodNamePrefix;
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switch (contributionType) {
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case SET:
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individualProviders++;
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methodNamePrefix = "add";
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break;
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case SET_VALUES:
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setProviders++;
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methodNamePrefix = "addCollection";
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break;
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default:
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throw new AssertionError(dependency + " is not a set multibinding");
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}
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builderMethodCalls.add(
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".$N$N($L)",
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methodNamePrefix,
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methodNameSuffix,
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multibindingDependencyExpression(dependency));
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}
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builder.add("builder($L, $L)", individualProviders, setProviders);
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builder.add(builderMethodCalls.build());
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componentImplementation.registerImplementedMultibinding(binding, bindingRequest());
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return builder.add(".build()").build();
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}
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}
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