| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.qpid.server.model.validation; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.AnnotationValue; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ElementKind; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.util.Elements; |
| import javax.lang.model.util.Types; |
| import javax.tools.Diagnostic; |
| |
| @SupportedAnnotationTypes(AttributeFieldValidation.MANAGED_ATTRIBUTE_FIELD_CLASS_NAME) |
| public class AttributeFieldValidation extends AbstractProcessor |
| { |
| public static final String MANAGED_ATTRIBUTE_FIELD_CLASS_NAME = "org.apache.qpid.server.model.ManagedAttributeField"; |
| |
| |
| @Override |
| public SourceVersion getSupportedSourceVersion() |
| { |
| return SourceVersion.latest(); |
| } |
| |
| @Override |
| public boolean process(final Set<? extends TypeElement> annotations, final RoundEnvironment roundEnv) |
| { |
| Elements elementUtils = processingEnv.getElementUtils(); |
| Types typeUtils = processingEnv.getTypeUtils(); |
| |
| TypeElement annotationElement = elementUtils.getTypeElement(MANAGED_ATTRIBUTE_FIELD_CLASS_NAME); |
| for (Element e : roundEnv.getElementsAnnotatedWith(annotationElement)) |
| { |
| for(AnnotationMirror am : e.getAnnotationMirrors()) |
| { |
| if(typeUtils.isSameType(am.getAnnotationType(), annotationElement.asType())) |
| { |
| for(Map.Entry<? extends ExecutableElement, ? extends AnnotationValue> entry : am.getElementValues().entrySet()) |
| { |
| String elementName = entry.getKey().getSimpleName().toString(); |
| if(elementName.equals("beforeSet") || elementName.equals("afterSet")) |
| { |
| String methodName = entry.getValue().getValue().toString(); |
| if(!"".equals(methodName)) |
| { |
| TypeElement parent = (TypeElement) e.getEnclosingElement(); |
| if(!containsMethod(parent, methodName)) |
| { |
| processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, |
| "Could not find method '" |
| + methodName |
| + "' which is defined as the " |
| + elementName |
| + " action", e); |
| |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| private boolean containsMethod(final TypeElement parent, final String methodName) |
| { |
| for(Element element : parent.getEnclosedElements()) |
| { |
| if(element.getKind().equals(ElementKind.METHOD) |
| && element.getSimpleName().toString().equals(methodName) |
| && ((ExecutableElement)element).getParameters().isEmpty()) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |