| /* |
| * Copyright (C) 2019 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.hilt.processor.internal.root; |
| |
| import com.google.auto.common.MoreElements; |
| import com.google.auto.value.AutoValue; |
| import com.squareup.javapoet.ClassName; |
| import dagger.hilt.processor.internal.ClassNames; |
| import javax.annotation.processing.ProcessingEnvironment; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.TypeElement; |
| |
| /** Metadata for a root element that can trigger the {@link RootProcessor}. */ |
| @AutoValue |
| abstract class Root { |
| /** |
| * Creates the default root for this (test) build compilation. |
| * |
| * <p>A default root installs only the global {@code InstallIn} and {@code TestInstallIn} |
| * dependencies. Test-specific dependencies are not installed in the default root. |
| * |
| * <p>The default root is used for two purposes: |
| * |
| * <ul> |
| * <li>To inject {@code EarlyEntryPoint} annotated interfaces. |
| * <li>To inject tests that only depend on global dependencies |
| * </ul> |
| */ |
| static Root createDefaultRoot(ProcessingEnvironment env) { |
| TypeElement rootElement = |
| env.getElementUtils().getTypeElement(ClassNames.DEFAULT_ROOT.canonicalName()); |
| return new AutoValue_Root(rootElement, /*isTestRoot=*/ true); |
| } |
| |
| /** Creates a {@plainlink Root root} for the given {@plainlink Element element}. */ |
| static Root create(Element element, ProcessingEnvironment env) { |
| TypeElement rootElement = MoreElements.asType(element); |
| return new AutoValue_Root(rootElement, RootType.of(rootElement).isTestRoot()); |
| } |
| |
| /** Returns the root element that should be used with processing. */ |
| abstract TypeElement element(); |
| |
| /** Returns {@code true} if this is a test root. */ |
| abstract boolean isTestRoot(); |
| |
| /** Returns the class name of the root element. */ |
| ClassName classname() { |
| return ClassName.get(element()); |
| } |
| |
| @Override |
| public final String toString() { |
| return element().toString(); |
| } |
| |
| /** Returns {@code true} if this uses the default root. */ |
| boolean isDefaultRoot() { |
| return classname().equals(ClassNames.DEFAULT_ROOT); |
| } |
| } |