Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2006, 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.

  */

 /*

  * @test

  * @bug 6380018 6392177

  * @summary Test the ability to create and process package-info.java files

  * @author  Joseph D. Darcy

  * @compile TestPackageInfo.java

  * @compile -processor TestPackageInfo -proc:only foo/bar/package-info.java TestPackageInfo.java

  */

 import java.util.Set;

 import java.util.HashSet;

 import java.util.Map;

 import javax.annotation.processing.*;

 import javax.lang.model.SourceVersion;

 import static javax.lang.model.SourceVersion.*;

 import javax.lang.model.element.*;

 import javax.lang.model.util.*;

 import static javax.lang.model.util.ElementFilter.*;

 import static javax.tools.Diagnostic.Kind.*;

 import static javax.tools.StandardLocation.*;

 import java.io.*;

 /**

  * Test the ability to process annotations on package-info.java files:

  * 1) Visibility of package-info files from the command line

  * 2) Visibility of generated package-info.java source files

  */

 @SupportedAnnotationTypes("*")

 public class TestPackageInfo extends AbstractProcessor {

     private Elements eltUtils;

     private Messager messager;

     private Filer filer;

     private Map<String,String> options;

     private int round = 0;

     public boolean process(Set<? extends TypeElement> annotations,

                            RoundEnvironment roundEnv) {

         round++;

         // Verify annotations are as expected

         Set<TypeElement> expectedAnnotations = new HashSet<TypeElement>();

         if (round == 1)

             expectedAnnotations.add(eltUtils.

                                     getTypeElement("javax.annotation.processing.SupportedAnnotationTypes"));

         expectedAnnotations.add(eltUtils.

                                 getTypeElement("java.lang.SuppressWarnings"));

         if (!roundEnv.processingOver()) {

             System.out.println("\nRound " + round);

             int rootElementSize = roundEnv.getRootElements().size();

             for(Element elt : roundEnv.getRootElements()) {

                 System.out.printf("%nElement %s\tkind: %s%n", elt.getSimpleName(), elt.getKind());

                 eltUtils.printElements(new PrintWriter(System.out), elt);

             }

             switch (round) {

             case 1:

                 if (rootElementSize != 2)

                     throw new RuntimeException("Unexpected root element size " + rootElementSize);

                 // Note that foo.bar.FuBar, an element of package

                 // foo.bar, contains @Deprecated which should *not* be

                 // included in the set of annotations to process

                 if (!expectedAnnotations.equals(annotations)) {

                     throw new RuntimeException("Unexpected annotations: " + annotations);

                 }

                 try {

                     try {

                         filer.createClassFile("package-info");

                         throw new RuntimeException("Created class file for \"package-info\".");

                     } catch(FilerException fe) {}

                     PrintWriter pw = new PrintWriter(filer.createSourceFile("foo.package-info").openWriter());

                     pw.println("@SuppressWarnings(\"\")");

                     pw.println("package foo;");

                     pw.close();

                 } catch(IOException ioe) {

                     throw new RuntimeException(ioe);

                 }

                 break;

             case 2:

                 // Expect foo.package-info

                 Set<Element> expectedElement = new HashSet<Element>();

                 expectedElement.add(eltUtils.getPackageElement("foo"));

                 if (!expectedElement.equals(roundEnv.getRootElements()))

                     throw new RuntimeException("Unexpected root element set " + roundEnv.getRootElements());

                 if (!expectedAnnotations.equals(annotations)) {

                     throw new RuntimeException("Unexpected annotations: " + annotations);

                 }

                 break;

             default:

                 throw new RuntimeException("Unexpected round number " + round);

             }

         }

         return false;

     }

     public SourceVersion getSupportedSourceVersion() {

         return SourceVersion.latest();

     }

     public void init(ProcessingEnvironment processingEnv) {

         super.init(processingEnv);

         eltUtils = processingEnv.getElementUtils();

         messager = processingEnv.getMessager();

         filer    = processingEnv.getFiler();

         options  = processingEnv.getOptions();

     }

 }