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