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 Unmodifiable { 20 // The following is a base64 encoding of a valid class file. 21 private static final byte[] CLASS_BYTES = Base64.getDecoder().decode( 22 "yv66vgAAADQAFQoABgAPBwAQCAARCgACABIHABMHABQBAAY8aW5pdD4BAAMoKVYBAARDb2RlAQAP" + 23 "TGluZU51bWJlclRhYmxlAQAFc2F5SGkBABUoTGphdmEvbGFuZy9TdHJpbmc7KVYBAApTb3VyY2VG" + 24 "aWxlAQAOVHJhbnNmb3JtLmphdmEMAAcACAEAD2phdmEvbGFuZy9FcnJvcgEAFVNob3VsZCBub3Qg" + 25 "YmUgY2FsbGVkIQwABwAMAQAJVHJhbnNmb3JtAQAQamF2YS9sYW5nL09iamVjdAAgAAUABgAAAAAA" + 26 "AgAAAAcACAABAAkAAAAdAAEAAQAAAAUqtwABsQAAAAEACgAAAAYAAQAAAAIAAAALAAwAAQAJAAAA" + 27 "IgADAAIAAAAKuwACWRIDtwAEvwAAAAEACgAAAAYAAQAAAAQAAQANAAAAAgAO"); 28 private static final byte[] DEX_BYTES = Base64.getDecoder().decode( 29 "ZGV4CjAzNQCrV81cy4Q+YKMMMqc0bZEO5Y1X5u7irPeQAgAAcAAAAHhWNBIAAAAAAAAAAPwBAAAL" + 30 "AAAAcAAAAAUAAACcAAAAAgAAALAAAAAAAAAAAAAAAAQAAADIAAAAAQAAAOgAAACIAQAACAEAAEoB" + 31 "AABSAQAAXwEAAHIBAACGAQAAmgEAALEBAADBAQAAxAEAAMgBAADcAQAAAQAAAAIAAAADAAAABAAA" + 32 "AAcAAAAHAAAABAAAAAAAAAAIAAAABAAAAEQBAAAAAAAAAAAAAAAAAQAKAAAAAQABAAAAAAACAAAA" + 33 "AAAAAAAAAAAAAAAAAgAAAAAAAAAGAAAAAAAAAO4BAAAAAAAAAQABAAEAAADjAQAABAAAAHAQAwAA" + 34 "AA4ABAACAAIAAADoAQAACQAAACIAAQAbAQUAAABwIAIAEAAnAAAAAQAAAAMABjxpbml0PgALTFRy" + 35 "YW5zZm9ybTsAEUxqYXZhL2xhbmcvRXJyb3I7ABJMamF2YS9sYW5nL09iamVjdDsAEkxqYXZhL2xh" + 36 "bmcvU3RyaW5nOwAVU2hvdWxkIG5vdCBiZSBjYWxsZWQhAA5UcmFuc2Zvcm0uamF2YQABVgACVkwA" + 37 "EmVtaXR0ZXI6IGphY2stNC4yNAAFc2F5SGkAAgAHDgAEAQAHDgAAAAEBAICABIgCAQCgAgwAAAAA" + 38 "AAAAAQAAAAAAAAABAAAACwAAAHAAAAACAAAABQAAAJwAAAADAAAAAgAAALAAAAAFAAAABAAAAMgA" + 39 "AAAGAAAAAQAAAOgAAAABIAAAAgAAAAgBAAABEAAAAQAAAEQBAAACIAAACwAAAEoBAAADIAAAAgAA" + 40 "AOMBAAAAIAAAAQAAAO4BAAAAEAAAAQAAAPwBAAA="); 41 42 public static void doTest(Transform[] ts) { 43 ts[0].sayHi("Unmodifiable"); 44 try { 45 Main.doCommonClassRedefinition(Transform[].class, CLASS_BYTES, DEX_BYTES); 46 } catch (Exception e) { 47 System.out.println( 48 "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")"); 49 } 50 ts[0].sayHi("Unmodifiable"); 51 } 52 } 53
