jdk8-mips64-public/langtools: test/tools/javac/processing/model/element/TestAnonSourceNames.java@4baab658f357

6639645: Modeling type implementing missing interfaces
Reviewed-by: darcy, mcimadamore

     1 /*

     2  * Copyright (c) 2010, Oracle and/or its affiliates. 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  */

    24 import java.io.*;

    25 import javax.annotation.processing.*;

    26 import javax.lang.model.*;

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

    28 import javax.lang.model.type.*;

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

    30 import java.util.*;

    31 import com.sun.source.tree.*;

    32 import com.sun.source.util.*;

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

    35 /**

    36  * Using the tree API, retrieve element representations of anonymous

    37  * classes and verify their names are as specified.

    38  */

    39 public class TestAnonSourceNames extends JavacTestingAbstractProcessor {

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

    42                           RoundEnvironment roundEnv) {

    43        if (!roundEnv.processingOver()) {

    44            Trees trees = Trees.instance(processingEnv);

    46            for(Element rootElement : roundEnv.getRootElements()) {

    47                TreePath treePath = trees.getPath(rootElement);

    49                (new ClassTreeScanner(trees)).

    50                    scan(trees.getTree(rootElement),

    51                         treePath.getCompilationUnit());

    52            }

    53        }

    54        return true;

    55    }

    57    class ClassTreeScanner extends TreeScanner<Void, CompilationUnitTree> {

    58        private Trees trees;

    60        public ClassTreeScanner(Trees trees) {

    61            super();

    62            this.trees = trees;

    63        }

    64        @Override

    65        public Void visitClass(ClassTree node, CompilationUnitTree cu) {

    66                      Element element = trees.getElement(trees.getPath(cu, node));

    67            if (element == null) {

    68                processingEnv.getMessager().printMessage(ERROR,

    69                                                         "No element retrieved for node named ''" +

    70                                                         node.getSimpleName() + "''.");

    71            } else {

    73                System.out.println("\nVisiting class ``" + element.getSimpleName() +

    74                                   "'' of kind " + element.getKind());

    75                          if (element instanceof TypeElement) {

    76                    TypeElement typeElement = (TypeElement) element;

    77                    String s = typeElement.getQualifiedName().toString();

    78                    System.out.println("\tqualified name:" + s);

    79                } else {

    80                    throw new RuntimeException("TypeElement not gotten from ClassTree.");

    81                }

    82            }

    83            return super.visitClass(node, cu);

    84        }

    85    }

    86 }

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