67 lines
2.2 KiB
Java
67 lines
2.2 KiB
Java
/*
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* Copyright (C) 2016 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.internal.codegen.validation;
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import com.google.auto.common.MoreElements;
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import com.google.common.collect.ImmutableSet;
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import dagger.BindsInstance;
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import java.lang.annotation.Annotation;
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import java.util.Set;
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import javax.annotation.processing.Messager;
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import javax.inject.Inject;
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import javax.lang.model.element.Element;
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/**
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* Processing step that validates that the {@code BindsInstance} annotation is applied to the
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* correct elements.
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*/
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public final class BindsInstanceProcessingStep extends TypeCheckingProcessingStep<Element> {
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private final BindsInstanceMethodValidator methodValidator;
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private final BindsInstanceParameterValidator parameterValidator;
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private final Messager messager;
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@Inject
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BindsInstanceProcessingStep(
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BindsInstanceMethodValidator methodValidator,
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BindsInstanceParameterValidator parameterValidator,
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Messager messager) {
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super(element -> element);
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this.methodValidator = methodValidator;
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this.parameterValidator = parameterValidator;
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this.messager = messager;
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}
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@Override
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public Set<? extends Class<? extends Annotation>> annotations() {
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return ImmutableSet.of(BindsInstance.class);
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}
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@Override
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protected void process(Element element, ImmutableSet<Class<? extends Annotation>> annotations) {
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switch (element.getKind()) {
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case PARAMETER:
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parameterValidator.validate(MoreElements.asVariable(element)).printMessagesTo(messager);
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break;
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case METHOD:
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methodValidator.validate(MoreElements.asExecutable(element)).printMessagesTo(messager);
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break;
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default:
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throw new AssertionError(element);
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}
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}
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}
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