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 com.google.auto.common.MoreElements.asType; 20 import static net.ltgt.gradle.incap.IncrementalAnnotationProcessorType.ISOLATING; 21 22 import com.google.auto.service.AutoService; 23 import com.google.common.collect.ImmutableSet; 24 import dagger.hilt.processor.internal.BaseProcessor; 25 import dagger.hilt.processor.internal.ClassNames; 26 import dagger.hilt.processor.internal.ProcessorErrors; 27 import dagger.hilt.processor.internal.Processors; 28 import java.util.Set; 29 import javax.annotation.processing.Processor; 30 import javax.lang.model.element.AnnotationMirror; 31 import javax.lang.model.element.Element; 32 import javax.lang.model.element.TypeElement; 33 import net.ltgt.gradle.incap.IncrementalAnnotationProcessor; 34 35 /** Processes the annotations annotated with {@link dagger.hilt.migration.AliasOf} */ 36 @IncrementalAnnotationProcessor(ISOLATING) 37 @AutoService(Processor.class) 38 public final class AliasOfProcessor extends BaseProcessor { 39 @Override getSupportedAnnotationTypes()40 public Set<String> getSupportedAnnotationTypes() { 41 return ImmutableSet.of(ClassNames.ALIAS_OF.toString()); 42 } 43 44 @Override processEach(TypeElement annotation, Element element)45 public void processEach(TypeElement annotation, Element element) throws Exception { 46 ProcessorErrors.checkState( 47 Processors.hasAnnotation(element, ClassNames.SCOPE), 48 element, 49 "%s should only be used on scopes." + " However, it was found annotating %s", 50 annotation, 51 element); 52 53 AnnotationMirror annotationMirror = 54 Processors.getAnnotationMirror(element, ClassNames.ALIAS_OF); 55 56 TypeElement defineComponentScope = 57 Processors.getAnnotationClassValue(getElementUtils(), annotationMirror, "value"); 58 59 new AliasOfPropagatedDataGenerator(getProcessingEnv(), asType(element), defineComponentScope) 60 .generate(); 61 } 62 } 63