1 /* 2 * Copyright (C) 2019 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.root; 18 19 import com.squareup.javapoet.ClassName; 20 import dagger.hilt.processor.internal.ClassNames; 21 import dagger.hilt.processor.internal.Processors; 22 import javax.annotation.processing.ProcessingEnvironment; 23 import javax.lang.model.element.TypeElement; 24 25 /** The valid root types for Hilt applications. */ 26 // TODO(erichang): Fix this class so we don't have to have placeholders 27 enum RootType { 28 ROOT(ClassNames.HILT_ANDROID_APP), 29 30 // Placeholder to make sure @HiltAndroidTest usages get processed 31 HILT_ANDROID_TEST_ROOT(ClassNames.HILT_ANDROID_TEST), 32 33 TEST_ROOT(ClassNames.INTERNAL_TEST_ROOT); 34 35 @SuppressWarnings("ImmutableEnumChecker") 36 private final ClassName annotation; 37 RootType(ClassName annotation)38 RootType(ClassName annotation) { 39 this.annotation = annotation; 40 } 41 isTestRoot()42 public boolean isTestRoot() { 43 return this == TEST_ROOT; 44 } 45 className()46 public ClassName className() { 47 return annotation; 48 } 49 of(ProcessingEnvironment env, TypeElement element)50 public static RootType of(ProcessingEnvironment env, TypeElement element) { 51 if (Processors.hasAnnotation(element, ClassNames.HILT_ANDROID_APP)) { 52 return ROOT; 53 } else if (Processors.hasAnnotation(element, ClassNames.HILT_ANDROID_TEST)) { 54 return TEST_ROOT; 55 } else if (Processors.hasAnnotation(element, ClassNames.INTERNAL_TEST_ROOT)) { 56 return TEST_ROOT; 57 } 58 throw new IllegalStateException("Unknown root type: " + element); 59 } 60 } 61