1 /*
   2  * Copyright (c) 2018, Google Inc. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.Set;
  25 import javax.annotation.processing.RoundEnvironment;
  26 import javax.annotation.processing.SupportedAnnotationTypes;
  27 import javax.lang.model.element.PackageElement;
  28 import javax.lang.model.element.TypeElement;
  29 
  30 @SupportedAnnotationTypes("*")
  31 public class Processor extends JavacTestingAbstractProcessor {
  32 
  33     @Override
  34     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
  35         PackageElement p = processingEnv.getElementUtils().getPackageElement("p");
  36         // Ensure that the annotations on the package-info for p are present during all annotation
  37         // processing rounds.
  38         if (p.getAnnotationMirrors().isEmpty()) {
  39             throw new AssertionError("expected package annotations");
  40         }
  41         return false;
  42     }
  43 }