97 lines
3.7 KiB
Java
97 lines
3.7 KiB
Java
/*
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* Copyright (C) 2017 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.writing;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static com.google.common.base.Preconditions.checkState;
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import static com.squareup.javapoet.MethodSpec.methodBuilder;
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import static dagger.internal.codegen.binding.AssistedInjectionAnnotations.assistedParameterSpecs;
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import static dagger.internal.codegen.writing.ComponentImplementation.MethodSpecKind.PRIVATE_METHOD;
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import static javax.lang.model.element.Modifier.PRIVATE;
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import com.google.common.collect.ImmutableList;
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import com.squareup.javapoet.TypeName;
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import dagger.internal.codegen.binding.BindingRequest;
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import dagger.internal.codegen.binding.ContributionBinding;
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import dagger.internal.codegen.compileroption.CompilerOptions;
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import dagger.internal.codegen.langmodel.DaggerTypes;
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import dagger.model.BindingKind;
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/**
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* A binding expression that wraps the dependency expressions in a private, no-arg method.
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*
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* <p>Dependents of this binding expression will just call the no-arg private method.
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*/
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final class PrivateMethodBindingExpression extends MethodBindingExpression {
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private final ContributionBinding binding;
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private final BindingRequest request;
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private final ComponentImplementation componentImplementation;
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private final CompilerOptions compilerOptions;
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private final DaggerTypes types;
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private String methodName;
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PrivateMethodBindingExpression(
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BindingRequest request,
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ContributionBinding binding,
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MethodImplementationStrategy methodImplementationStrategy,
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BindingExpression wrappedBindingExpression,
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ComponentImplementation componentImplementation,
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DaggerTypes types,
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CompilerOptions compilerOptions) {
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super(
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request,
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binding,
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methodImplementationStrategy,
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wrappedBindingExpression,
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componentImplementation,
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types);
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this.binding = binding;
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this.request = checkNotNull(request);
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this.componentImplementation = checkNotNull(componentImplementation);
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this.compilerOptions = checkNotNull(compilerOptions);
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this.types = types;
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}
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@Override
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protected void addMethod() {
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if (methodName == null) {
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// Have to set methodName field before implementing the method in order to handle recursion.
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methodName = componentImplementation.getUniqueMethodName(request);
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// TODO(bcorso): Fix the order that these generated methods are written to the component.
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componentImplementation.addMethod(
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PRIVATE_METHOD,
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methodBuilder(methodName)
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.addModifiers(PRIVATE)
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.addParameters(
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// Private methods for assisted injection take assisted parameters as input.
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binding.kind() == BindingKind.ASSISTED_INJECTION
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? assistedParameterSpecs(binding, types)
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: ImmutableList.of())
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.returns(TypeName.get(returnType()))
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.addCode(methodBody())
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.build());
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}
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}
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@Override
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protected String methodName() {
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checkState(methodName != null, "addMethod() must be called before methodName()");
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return methodName;
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}
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}
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