| /* |
| * Copyright 2014 Google LLC |
| * |
| * 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 com.google.auto.value.processor; |
| |
| import static java.util.stream.Collectors.joining; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.AnnotationValue; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.Name; |
| import javax.lang.model.element.TypeElement; |
| |
| class GwtCompatibility { |
| private final Optional<AnnotationMirror> gwtCompatibleAnnotation; |
| |
| GwtCompatibility(TypeElement type) { |
| Optional<AnnotationMirror> gwtCompatibleAnnotation = Optional.empty(); |
| List<? extends AnnotationMirror> annotations = type.getAnnotationMirrors(); |
| for (AnnotationMirror annotation : annotations) { |
| Name name = annotation.getAnnotationType().asElement().getSimpleName(); |
| if (name.contentEquals("GwtCompatible")) { |
| gwtCompatibleAnnotation = Optional.of(annotation); |
| } |
| } |
| this.gwtCompatibleAnnotation = gwtCompatibleAnnotation; |
| } |
| |
| Optional<AnnotationMirror> gwtCompatibleAnnotation() { |
| return gwtCompatibleAnnotation; |
| } |
| |
| // Get rid of the misconceived <? extends ExecutableElement, ? extends AnnotationValue> |
| // in the return type of getElementValues(). |
| static Map<ExecutableElement, AnnotationValue> getElementValues(AnnotationMirror annotation) { |
| return Collections.<ExecutableElement, AnnotationValue>unmodifiableMap( |
| annotation.getElementValues()); |
| } |
| |
| String gwtCompatibleAnnotationString() { |
| if (gwtCompatibleAnnotation.isPresent()) { |
| AnnotationMirror annotation = gwtCompatibleAnnotation.get(); |
| TypeElement annotationElement = (TypeElement) annotation.getAnnotationType().asElement(); |
| String annotationArguments; |
| if (annotation.getElementValues().isEmpty()) { |
| annotationArguments = ""; |
| } else { |
| annotationArguments = |
| getElementValues(annotation) |
| .entrySet() |
| .stream() |
| .map(e -> e.getKey().getSimpleName() + " = " + e.getValue()) |
| .collect(joining(", ", "(", ")")); |
| } |
| return "@" + annotationElement.getQualifiedName() + annotationArguments; |
| } else { |
| return ""; |
| } |
| } |
| } |