1 /*
2  * Copyright (C) 2017 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.util.Base64;
18 
19 class NewMethod {
20   // The following is a base64 encoding of the following class.
21   // class Transform {
22   //   public void extraMethod() {}
23   //   public void sayHi(String name) {
24   //     throw new Error("Should not be called!");
25   //   }
26   // }
27   private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
28     "yv66vgAAADQAFgoABgAQBwARCAASCgACABMHABQHABUBAAY8aW5pdD4BAAMoKVYBAARDb2RlAQAP" +
29     "TGluZU51bWJlclRhYmxlAQALZXh0cmFNZXRob2QBAAVzYXlIaQEAFShMamF2YS9sYW5nL1N0cmlu" +
30     "ZzspVgEAClNvdXJjZUZpbGUBAA5UcmFuc2Zvcm0uamF2YQwABwAIAQAPamF2YS9sYW5nL0Vycm9y" +
31     "AQAVU2hvdWxkIG5vdCBiZSBjYWxsZWQhDAAHAA0BAAlUcmFuc2Zvcm0BABBqYXZhL2xhbmcvT2Jq" +
32     "ZWN0ACAABQAGAAAAAAADAAAABwAIAAEACQAAAB0AAQABAAAABSq3AAGxAAAAAQAKAAAABgABAAAA" +
33     "AQABAAsACAABAAkAAAAZAAAAAQAAAAGxAAAAAQAKAAAABgABAAAAAgABAAwADQABAAkAAAAiAAMA" +
34     "AgAAAAq7AAJZEgO3AAS/AAAAAQAKAAAABgABAAAABAABAA4AAAACAA8=");
35   private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
36     "ZGV4CjAzNQBeV7dLAwN1GBTa/yRlkuiIQatNHghVdrnIAgAAcAAAAHhWNBIAAAAAAAAAADQCAAAM" +
37     "AAAAcAAAAAUAAACgAAAAAgAAALQAAAAAAAAAAAAAAAUAAADMAAAAAQAAAPQAAAC0AQAAFAEAAGoB" +
38     "AAByAQAAfwEAAJIBAACmAQAAugEAANEBAADhAQAA5AEAAOgBAAD8AQAACQIAAAEAAAACAAAAAwAA" +
39     "AAQAAAAHAAAABwAAAAQAAAAAAAAACAAAAAQAAABkAQAAAAAAAAAAAAAAAAAACgAAAAAAAQALAAAA" +
40     "AQABAAAAAAACAAAAAAAAAAAAAAAAAAAAAgAAAAAAAAAGAAAAAAAAACACAAAAAAAAAQABAAEAAAAQ" +
41     "AgAABAAAAHAQBAAAAA4AAQABAAAAAAAVAgAAAQAAAA4AAAAEAAIAAgAAABoCAAAJAAAAIgABABsB" +
42     "BQAAAHAgAwAQACcAAAABAAAAAwAGPGluaXQ+AAtMVHJhbnNmb3JtOwARTGphdmEvbGFuZy9FcnJv" +
43     "cjsAEkxqYXZhL2xhbmcvT2JqZWN0OwASTGphdmEvbGFuZy9TdHJpbmc7ABVTaG91bGQgbm90IGJl" +
44     "IGNhbGxlZCEADlRyYW5zZm9ybS5qYXZhAAFWAAJWTAASZW1pdHRlcjogamFjay00LjIyAAtleHRy" +
45     "YU1ldGhvZAAFc2F5SGkAAQAHDgACAAcOAAQBAAcOAAAAAQIAgIAElAIBAawCAQHAAgAADAAAAAAA" +
46     "AAABAAAAAAAAAAEAAAAMAAAAcAAAAAIAAAAFAAAAoAAAAAMAAAACAAAAtAAAAAUAAAAFAAAAzAAA" +
47     "AAYAAAABAAAA9AAAAAEgAAADAAAAFAEAAAEQAAABAAAAZAEAAAIgAAAMAAAAagEAAAMgAAADAAAA" +
48     "EAIAAAAgAAABAAAAIAIAAAAQAAABAAAANAIAAA==");
49 
doTest(Transform t)50   public static void doTest(Transform t) {
51     t.sayHi("NewMethod");
52     try {
53       Main.doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES);
54     } catch (Exception e) {
55       System.out.println(
56           "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")");
57     }
58     t.sayHi("NewMethod");
59   }
60 }
61