| package org.issue; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Set; |
| |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.Filer; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.annotation.processing.SupportedSourceVersion; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.Name; |
| import javax.lang.model.element.PackageElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.util.Elements; |
| import javax.tools.FileObject; |
| import javax.tools.StandardLocation; |
| |
| @SupportedSourceVersion( SourceVersion.RELEASE_6 ) |
| @SupportedAnnotationTypes( "org.issue.SimpleAnnotation" ) |
| public class SimpleAnnotationProcessor |
| extends AbstractProcessor |
| { |
| |
| @Override |
| public boolean process( Set<? extends TypeElement> annotations, RoundEnvironment roundEnv ) |
| { |
| Filer filer = processingEnv.getFiler(); |
| |
| Elements elementUtils = processingEnv.getElementUtils(); |
| |
| Set<? extends Element> elements = roundEnv.getElementsAnnotatedWith( SimpleAnnotation.class ); |
| |
| for ( Element element : elements ) |
| { |
| Name name = element.getSimpleName(); |
| |
| PackageElement packageElement = elementUtils.getPackageOf( element ); |
| |
| try |
| { |
| FileObject resource = |
| filer.createResource( StandardLocation.SOURCE_OUTPUT, packageElement.getQualifiedName(), name |
| + ".txt", element ); |
| |
| Writer writer = resource.openWriter(); |
| writer.write( name.toString() ); |
| writer.close(); |
| } |
| catch ( IOException e ) |
| { |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| return !elements.isEmpty(); |
| } |
| |
| } |