1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 import java.lang.reflect.Method;
18 
19 /**
20  * Test reflection on old-style inner classes.
21  */
22 public class Main {
23     private static Runnable theRunnable = new Runnable() {
24             public void run() { }
25         };
26 
create()27     private static Runnable create() {
28         return new Runnable() {
29                 public void run() { }
30             };
31     }
32 
nameOf(Class clazz)33     private static String nameOf(Class clazz) {
34         return (clazz == null) ? "(null)" : clazz.getName();
35     }
36 
nameOf(Method meth)37     private static String nameOf(Method meth) {
38         return (meth == null) ? "(null)" : meth.toString();
39     }
40 
infoFor(Class clazz)41     private static void infoFor(Class clazz) {
42         System.out.println("Class: " + nameOf(clazz) + "\n" +
43                 "  getDeclaringClass(): " +
44                 nameOf(clazz.getDeclaringClass()) + "\n" +
45                 "  getEnclosingClass(): " +
46                 nameOf(clazz.getEnclosingClass()) + "\n" +
47                 "  getEnclosingMethod(): " +
48                 nameOf(clazz.getEnclosingMethod()));
49     }
50 
main(String args[])51     public static void main(String args[]) {
52         infoFor(theRunnable.getClass());
53         infoFor(create().getClass());
54     }
55 }
56