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 */
23
24import java.io.*;
25import javax.annotation.processing.*;
26import javax.lang.model.*;
27import javax.lang.model.element.*;
28import javax.lang.model.type.*;
29import javax.lang.model.util.*;
30import java.util.*;
31import com.sun.source.tree.*;
32import com.sun.source.util.*;
33import static javax.tools.Diagnostic.Kind.*;
34
35/**
36 * Using the tree API, retrieve element representations of anonymous
37 * classes and verify their names are as specified.
38 */
39public class TestAnonSourceNames extends JavacTestingAbstractProcessor {
40
41   public boolean process(Set<? extends TypeElement> annotations,
42                          RoundEnvironment roundEnv) {
43       if (!roundEnv.processingOver()) {
44           Trees trees = Trees.instance(processingEnv);
45
46           for(Element rootElement : roundEnv.getRootElements()) {
47               TreePath treePath = trees.getPath(rootElement);
48
49               (new ClassTreeScanner(trees)).
50                   scan(trees.getTree(rootElement),
51                        treePath.getCompilationUnit());
52           }
53       }
54       return true;
55   }
56
57   class ClassTreeScanner extends TreeScanner<Void, CompilationUnitTree> {
58       private Trees trees;
59
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 {
72
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}
87