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/*
* Copyright (C) 2014 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.componentgenerator;
import static com.google.common.base.Verify.verify;
import static dagger.internal.codegen.binding.SourceFiles.classFileName;
import com.google.common.collect.ImmutableList;
import com.squareup.javapoet.ClassName;
import com.squareup.javapoet.TypeSpec;
import dagger.Component;
import dagger.internal.codegen.base.SourceFileGenerator;
import dagger.internal.codegen.binding.BindingGraph;
import dagger.internal.codegen.langmodel.DaggerElements;
import dagger.internal.codegen.writing.ComponentImplementation;
import javax.annotation.processing.Filer;
import javax.inject.Inject;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
/** Generates the implementation of the abstract types annotated with {@link Component}. */
final class ComponentGenerator extends SourceFileGenerator<BindingGraph> {
private final ComponentImplementationFactory componentImplementationFactory;
@Inject
ComponentGenerator(
Filer filer,
DaggerElements elements,
SourceVersion sourceVersion,
ComponentImplementationFactory componentImplementationFactory) {
super(filer, elements, sourceVersion);
this.componentImplementationFactory = componentImplementationFactory;
}
static ClassName componentName(TypeElement componentDefinitionType) {
ClassName componentName = ClassName.get(componentDefinitionType);
return ClassName.get(componentName.packageName(), "Dagger" + classFileName(componentName));
}
@Override
public Element originatingElement(BindingGraph input) {
return input.componentTypeElement();
}
@Override
public ImmutableList<TypeSpec.Builder> topLevelTypes(BindingGraph bindingGraph) {
ComponentImplementation componentImplementation =
componentImplementationFactory.createComponentImplementation(bindingGraph);
verify(
componentImplementation.name().equals(componentName(bindingGraph.componentTypeElement())));
return ImmutableList.of(componentImplementation.generate());
}
}
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