101 lines
3.7 KiB
Java
101 lines
3.7 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.squareup.javapoet.MethodSpec.constructorBuilder;
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import static com.squareup.javapoet.MethodSpec.methodBuilder;
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import static com.squareup.javapoet.TypeSpec.classBuilder;
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import static dagger.internal.codegen.javapoet.TypeNames.PRODUCTION_COMPONENT_MONITOR_FACTORY;
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import static dagger.internal.codegen.javapoet.TypeNames.providerOf;
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import static dagger.internal.codegen.javapoet.TypeNames.setOf;
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import static javax.lang.model.element.Modifier.ABSTRACT;
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import static javax.lang.model.element.Modifier.PRIVATE;
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import static javax.lang.model.element.Modifier.STATIC;
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import com.squareup.javapoet.ClassName;
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import com.squareup.javapoet.MethodSpec;
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import com.squareup.javapoet.TypeSpec;
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import dagger.Module;
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import dagger.Provides;
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import dagger.internal.codegen.langmodel.DaggerElements;
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import dagger.multibindings.Multibinds;
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import dagger.producers.ProductionScope;
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import dagger.producers.monitoring.ProductionComponentMonitor;
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import dagger.producers.monitoring.internal.Monitors;
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import java.util.Optional;
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import javax.annotation.processing.Filer;
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import javax.inject.Inject;
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import javax.lang.model.SourceVersion;
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import javax.lang.model.element.Element;
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import javax.lang.model.element.TypeElement;
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/** Generates a monitoring module for use with production components. */
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final class MonitoringModuleGenerator extends SourceFileGenerator<TypeElement> {
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@Inject
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MonitoringModuleGenerator(Filer filer, DaggerElements elements, SourceVersion sourceVersion) {
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super(filer, elements, sourceVersion);
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}
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@Override
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ClassName nameGeneratedType(TypeElement componentElement) {
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return SourceFiles.generatedMonitoringModuleName(componentElement);
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}
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@Override
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Element originatingElement(TypeElement componentElement) {
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return componentElement;
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}
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@Override
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Optional<TypeSpec.Builder> write(ClassName generatedTypeName, TypeElement componentElement) {
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return Optional.of(
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classBuilder(generatedTypeName)
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.addAnnotation(Module.class)
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.addModifiers(ABSTRACT)
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.addMethod(privateConstructor())
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.addMethod(setOfFactories())
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.addMethod(monitor(componentElement)));
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}
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private MethodSpec privateConstructor() {
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return constructorBuilder().addModifiers(PRIVATE).build();
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}
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private MethodSpec setOfFactories() {
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return methodBuilder("setOfFactories")
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.addAnnotation(Multibinds.class)
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.addModifiers(ABSTRACT)
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.returns(setOf(PRODUCTION_COMPONENT_MONITOR_FACTORY))
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.build();
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}
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private MethodSpec monitor(TypeElement componentElement) {
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return methodBuilder("monitor")
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.returns(ProductionComponentMonitor.class)
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.addModifiers(STATIC)
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.addAnnotation(Provides.class)
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.addAnnotation(ProductionScope.class)
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.addParameter(providerOf(ClassName.get(componentElement.asType())), "component")
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.addParameter(
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providerOf(setOf(PRODUCTION_COMPONENT_MONITOR_FACTORY)), "factories")
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.addStatement(
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"return $T.createMonitorForComponent(component, factories)", Monitors.class)
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.build();
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}
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}
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