| /* |
| * Copyright (C) 2016 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.internal.codegen.validation; |
| |
| import static com.google.common.collect.Iterables.getOnlyElement; |
| import static dagger.internal.codegen.base.ComponentAnnotation.anyComponentAnnotation; |
| import static dagger.internal.codegen.base.ModuleAnnotation.moduleAnnotation; |
| import static javax.lang.model.element.Modifier.ABSTRACT; |
| |
| import com.google.auto.common.MoreElements; |
| import dagger.internal.codegen.base.ModuleAnnotation; |
| import dagger.internal.codegen.binding.InjectionAnnotations; |
| import java.util.List; |
| import java.util.Optional; |
| import javax.inject.Inject; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.element.VariableElement; |
| import javax.lang.model.type.TypeMirror; |
| |
| final class BindsInstanceMethodValidator extends BindsInstanceElementValidator<ExecutableElement> { |
| @Inject |
| BindsInstanceMethodValidator(InjectionAnnotations injectionAnnotations) { |
| super(injectionAnnotations); |
| } |
| |
| @Override |
| protected ElementValidator elementValidator(ExecutableElement element) { |
| return new Validator(element); |
| } |
| |
| private class Validator extends ElementValidator { |
| Validator(ExecutableElement element) { |
| super(element); |
| } |
| |
| @Override |
| protected void checkAdditionalProperties() { |
| if (!element.getModifiers().contains(ABSTRACT)) { |
| report.addError("@BindsInstance methods must be abstract"); |
| } |
| if (element.getParameters().size() != 1) { |
| report.addError( |
| "@BindsInstance methods should have exactly one parameter for the bound type"); |
| } |
| TypeElement enclosingType = MoreElements.asType(element.getEnclosingElement()); |
| moduleAnnotation(enclosingType) |
| .ifPresent(moduleAnnotation -> report.addError(didYouMeanBinds(moduleAnnotation))); |
| anyComponentAnnotation(enclosingType) |
| .ifPresent( |
| componentAnnotation -> |
| report.addError( |
| String.format( |
| "@BindsInstance methods should not be included in @%1$ss. " |
| + "Did you mean to put it in a @%1$s.Builder?", |
| componentAnnotation.simpleName()))); |
| } |
| |
| @Override |
| protected Optional<TypeMirror> bindingElementType() { |
| List<? extends VariableElement> parameters = |
| MoreElements.asExecutable(element).getParameters(); |
| return parameters.size() == 1 |
| ? Optional.of(getOnlyElement(parameters).asType()) |
| : Optional.empty(); |
| } |
| } |
| |
| private static String didYouMeanBinds(ModuleAnnotation moduleAnnotation) { |
| return String.format( |
| "@BindsInstance methods should not be included in @%ss. Did you mean @Binds?", |
| moduleAnnotation.annotationName()); |
| } |
| } |