100 lines
3.5 KiB
Java
100 lines
3.5 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;
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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 javax.lang.model.element.Modifier.PRIVATE;
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import static javax.lang.model.element.Modifier.PROTECTED;
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import com.squareup.javapoet.TypeName;
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import dagger.internal.codegen.langmodel.DaggerTypes;
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import java.util.Optional;
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/**
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* A binding expression that wraps a modifiable binding expression in a public, no-arg method.
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*
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* <p>Dependents of this binding expression will just call the modifiable binding method.
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*/
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final class ModifiableConcreteMethodBindingExpression extends MethodBindingExpression {
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private final BindingRequest request;
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private final ModifiableBindingType modifiableBindingType;
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private final ComponentImplementation componentImplementation;
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private final boolean bindingCannotBeModified;
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private Optional<String> methodName = Optional.empty();
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ModifiableConcreteMethodBindingExpression(
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BindingRequest request,
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ResolvedBindings resolvedBindings,
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MethodImplementationStrategy methodImplementationStrategy,
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BindingExpression wrappedBindingExpression,
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ModifiableBindingType modifiableBindingType,
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ComponentImplementation componentImplementation,
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boolean bindingCannotBeModified,
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DaggerTypes types) {
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super(
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request,
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resolvedBindings,
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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.request = checkNotNull(request);
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this.modifiableBindingType = checkNotNull(modifiableBindingType);
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this.componentImplementation = checkNotNull(componentImplementation);
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this.bindingCannotBeModified = bindingCannotBeModified;
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}
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@Override
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protected void addMethod() {
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if (methodName.isPresent()) {
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return;
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}
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if (supertypeModifiableBindingMethod().isPresent()) {
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methodName = supertypeModifiableBindingMethod().map(method -> method.methodSpec().name);
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return;
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}
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// Add the modifiable binding method to the component if we haven't already.
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methodName = Optional.of(componentImplementation.getUniqueMethodName(request));
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componentImplementation.addModifiableBindingMethod(
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modifiableBindingType,
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request,
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returnType(),
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methodBuilder(methodName.get())
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.addModifiers(bindingCannotBeModified ? PRIVATE : PROTECTED)
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.returns(TypeName.get(returnType()))
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.addCode(methodBody())
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.build(),
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bindingCannotBeModified);
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}
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@Override
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protected String methodName() {
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checkState(methodName.isPresent(), "addMethod() must be called before methodName().");
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return methodName.get();
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}
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@Override
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protected boolean isModifiableImplementationMethod() {
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return true;
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}
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}
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