1 /*

     2  * Copyright 2006 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6392818

    27  * @summary Tests Elements.isDeprecated(Element)

    28  * @author  Joseph D. Darcy

    29  * @compile TestDeprecation.java

    30  * @compile -processor TestDeprecation -proc:only Dep1.java

    31  * @compile Dep1.java

    32  * @compile -processor TestDeprecation -proc:only Dep1 TestDeprecation.java

    33  */

    34 

    35 import java.util.Set;

    36 import java.util.HashSet;

    37 import java.util.Arrays;

    38 import javax.annotation.processing.*;

    39 import javax.lang.model.SourceVersion;

    40 import javax.lang.model.element.*;

    41 import javax.lang.model.util.*;

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

    43 import java.io.Writer;

    44 

    45 /**

    46  * This processor verifies that the information returned by

    47  * getElementsAnnotatedWith is consistent with the expected results

    48  * stored in an AnnotatedElementInfo annotation.

    49  */

    50 @SupportedAnnotationTypes("*")

    51 public class TestDeprecation extends AbstractProcessor {

    52 

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

    54                            RoundEnvironment roundEnv) {

    55         boolean failure = false;

    56         if (!roundEnv.processingOver()) {

    57             DeprecationChecker deprecationChecker = new DeprecationChecker();

    58 

    59             for(Element element: roundEnv.getRootElements() ) {

    60                 System.out.println("\nRoot Element: " + element.getSimpleName());

    61                 failure = deprecationChecker.scan(element);

    62             }

    63 

    64             if (failure)

    65                 processingEnv.getMessager().printMessage(ERROR, "Deprecation mismatch found!");

    66         }

    67         return true;

    68     }

    69 

    70     private class DeprecationChecker extends ElementScanner6<Boolean,Void> {

    71         private Elements elementUtils;

    72         private boolean failure;

    73         DeprecationChecker() {

    74             super(false);

    75             elementUtils = processingEnv.getElementUtils();

    76             failure = false;

    77         }

    78 

    79         @Override

    80         public Boolean scan(Element e, Void p) {

    81             boolean expectedDeprecation = false;

    82             ExpectedDeprecation tmp = e.getAnnotation(ExpectedDeprecation.class);

    83             if (tmp != null)

    84                 expectedDeprecation = tmp.value();

    85             boolean actualDeprecation = elementUtils.isDeprecated(e);

    86 

    87             System.out.printf("\tVisiting %s\t%s%n", e.getKind(), e.getSimpleName());

    88 

    89             if (expectedDeprecation != actualDeprecation) {

    90                 failure = true;

    91                 java.io.StringWriter w = new java.io.StringWriter();

    92                 elementUtils.printElements(w, e);

    93                 System.out.printf("For the deprecation of %n\t%s\t, expected %b, got %b.%n",

    94                                   w.getBuffer().toString(),

    95                                   expectedDeprecation, actualDeprecation);

    96             }

    97             super.scan(e, p);

    98             return failure;

    99         }

   100     }

   101 

   102     @Override

   103     public SourceVersion getSupportedSourceVersion() {

   104         return SourceVersion.latest();

   105     }

   106 }