1 /* 2 * Copyright (C) 2020 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.hilt.processor.internal.aliasof; 18 19 import static net.ltgt.gradle.incap.IncrementalAnnotationProcessorType.ISOLATING; 20 21 import com.google.auto.service.AutoService; 22 import com.google.common.collect.ImmutableSet; 23 import dagger.hilt.processor.internal.BaseProcessor; 24 import dagger.hilt.processor.internal.ClassNames; 25 import dagger.hilt.processor.internal.ProcessorErrors; 26 import dagger.hilt.processor.internal.Processors; 27 import java.util.Set; 28 import javax.annotation.processing.Processor; 29 import javax.lang.model.element.AnnotationMirror; 30 import javax.lang.model.element.Element; 31 import javax.lang.model.element.TypeElement; 32 import net.ltgt.gradle.incap.IncrementalAnnotationProcessor; 33 34 /** Processes the annotations annotated with {@link dagger.hilt.migration.AliasOf} */ 35 @IncrementalAnnotationProcessor(ISOLATING) 36 @AutoService(Processor.class) 37 public final class AliasOfProcessor extends BaseProcessor { 38 @Override getSupportedAnnotationTypes()39 public Set<String> getSupportedAnnotationTypes() { 40 return ImmutableSet.of(ClassNames.ALIAS_OF.toString()); 41 } 42 43 @Override processEach(TypeElement annotation, Element element)44 public void processEach(TypeElement annotation, Element element) throws Exception { 45 ProcessorErrors.checkState( 46 Processors.hasAnnotation(element, ClassNames.SCOPE), 47 element, 48 "%s should only be used on scopes." + " However, it was found annotating %s", 49 annotation, 50 element); 51 AnnotationMirror annotationMirror = 52 Processors.getAnnotationMirror(element, ClassNames.ALIAS_OF); 53 54 Element defineComponentScope = 55 Processors.getAnnotationClassValue(getElementUtils(), annotationMirror, "value"); 56 57 new AliasOfPropagatedDataGenerator(getProcessingEnv(), element, defineComponentScope) 58 .generate(); 59 } 60 } 61