/* * Copyright (C) 2018 The Android Open Source Project * * 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 com.android.dialer.rootcomponentgenerator.processor; import static javax.tools.Diagnostic.Kind.ERROR; import com.android.dialer.rootcomponentgenerator.annotation.DialerComponent; import com.android.dialer.rootcomponentgenerator.annotation.InstallIn; import com.android.dialer.rootcomponentgenerator.annotation.RootComponentGeneratorMetadata; import com.google.auto.common.BasicAnnotationProcessor.ProcessingStep; import com.google.common.collect.ImmutableSet; import com.google.common.collect.SetMultimap; import com.squareup.javapoet.AnnotationSpec; import com.squareup.javapoet.TypeSpec; import java.lang.annotation.Annotation; import java.util.Collections; import java.util.Set; import javax.annotation.processing.ProcessingEnvironment; import javax.lang.model.element.Element; /** * Genereates metadata for every type annotated by {@link InstallIn} and {@link DialerComponent}. * *
The metadata has the information where the annotated types are and it is used by annotation
* processor when the processor tries to generate root component.
*/
final class MetadataGeneratingStep implements ProcessingStep {
private final ProcessingEnvironment processingEnv;
MetadataGeneratingStep(ProcessingEnvironment processingEnv) {
this.processingEnv = processingEnv;
}
@Override
public Set extends Class extends Annotation>> annotations() {
return ImmutableSet.of(DialerComponent.class, InstallIn.class);
}
@Override
public Set extends Element> process(
SetMultimap