| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.IOError; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Set; |
| |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.TypeElement; |
| import javax.tools.JavaFileObject; |
| |
| // This processor generates the missing annotation types of the form AutoAnnotation_* |
| // thereby making sure annotation processing doesn't abort/crash on account of that. |
| @SupportedAnnotationTypes("*") |
| public class Processor extends JavacTestingAbstractProcessor { |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| if (!roundEnv.processingOver()) { |
| for (Element element : roundEnv.getRootElements()) { |
| String elementName = element.getSimpleName().toString(); |
| if (elementName.startsWith("AutoAnnotation_")) { |
| continue; |
| } |
| String name = "AutoAnnotation_" + elementName; |
| JavaFileObject jfo; |
| try { |
| jfo = processingEnv.getFiler().createSourceFile(name, element); |
| } catch (IOException e) { |
| throw new IOError(e); |
| } |
| try (OutputStream os = jfo.openOutputStream()) { |
| String output = String.format("public @interface %s {}", name); |
| os.write(output.getBytes(StandardCharsets.UTF_8)); |
| } catch (IOException e) { |
| throw new IOError(e); |
| } |
| } |
| } |
| return false; |
| } |
| } |