| /* |
| * 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 com.google.auto.common.MoreElements; |
| import com.google.common.collect.ImmutableSet; |
| import dagger.BindsInstance; |
| import java.lang.annotation.Annotation; |
| import java.util.Set; |
| import javax.annotation.processing.Messager; |
| import javax.inject.Inject; |
| import javax.lang.model.element.Element; |
| |
| /** |
| * Processing step that validates that the {@code BindsInstance} annotation is applied to the |
| * correct elements. |
| */ |
| public final class BindsInstanceProcessingStep extends TypeCheckingProcessingStep<Element> { |
| private final BindsInstanceMethodValidator methodValidator; |
| private final BindsInstanceParameterValidator parameterValidator; |
| private final Messager messager; |
| |
| @Inject |
| BindsInstanceProcessingStep( |
| BindsInstanceMethodValidator methodValidator, |
| BindsInstanceParameterValidator parameterValidator, |
| Messager messager) { |
| super(element -> element); |
| this.methodValidator = methodValidator; |
| this.parameterValidator = parameterValidator; |
| this.messager = messager; |
| } |
| |
| @Override |
| public Set<? extends Class<? extends Annotation>> annotations() { |
| return ImmutableSet.of(BindsInstance.class); |
| } |
| |
| @Override |
| protected void process(Element element, ImmutableSet<Class<? extends Annotation>> annotations) { |
| switch (element.getKind()) { |
| case PARAMETER: |
| parameterValidator.validate(MoreElements.asVariable(element)).printMessagesTo(messager); |
| break; |
| case METHOD: |
| methodValidator.validate(MoreElements.asExecutable(element)).printMessagesTo(messager); |
| break; |
| default: |
| throw new AssertionError(element); |
| } |
| } |
| } |