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 FieldChange { 20 // The following is a base64 encoding of the following class. 21 // class Transform4 { 22 // private Object greeting; 23 // public Transform4(String hi) { } 24 // public void sayHi(String name) { 25 // throw new Error("Should not be called!"); 26 // } 27 // } 28 private static final byte[] CLASS_BYTES = Base64.getDecoder().decode( 29 "yv66vgAAADQAFwoABgAQBwARCAASCgACABMHABQHABUBAAhncmVldGluZwEAEkxqYXZhL2xhbmcv" + 30 "T2JqZWN0OwEABjxpbml0PgEAFShMamF2YS9sYW5nL1N0cmluZzspVgEABENvZGUBAA9MaW5lTnVt" + 31 "YmVyVGFibGUBAAVzYXlIaQEAClNvdXJjZUZpbGUBAA9UcmFuc2Zvcm00LmphdmEMAAkAFgEAD2ph" + 32 "dmEvbGFuZy9FcnJvcgEAFVNob3VsZCBub3QgYmUgY2FsbGVkIQwACQAKAQAKVHJhbnNmb3JtNAEA" + 33 "EGphdmEvbGFuZy9PYmplY3QBAAMoKVYAIAAFAAYAAAABAAIABwAIAAAAAgABAAkACgABAAsAAAAd" + 34 "AAEAAgAAAAUqtwABsQAAAAEADAAAAAYAAQAAAAMAAQANAAoAAQALAAAAIgADAAIAAAAKuwACWRID" + 35 "twAEvwAAAAEADAAAAAYAAQAAAAUAAQAOAAAAAgAP"); 36 private static final byte[] DEX_BYTES = Base64.getDecoder().decode( 37 "ZGV4CjAzNQASXs5yszuhud+/w4q07495k9eO7Yb+l8u4AgAAcAAAAHhWNBIAAAAAAAAAABgCAAAM" + 38 "AAAAcAAAAAUAAACgAAAAAgAAALQAAAABAAAAzAAAAAQAAADUAAAAAQAAAPQAAACkAQAAFAEAAFYB" + 39 "AABeAQAAbAEAAH8BAACTAQAApwEAAL4BAADPAQAA0gEAANYBAADqAQAA9AEAAAEAAAACAAAAAwAA" + 40 "AAQAAAAHAAAABwAAAAQAAAAAAAAACAAAAAQAAABQAQAAAAACAAoAAAAAAAEAAAAAAAAAAQALAAAA" + 41 "AQABAAAAAAACAAAAAAAAAAAAAAAAAAAAAgAAAAAAAAAGAAAAAAAAAAcCAAAAAAAAAgACAAEAAAD7" + 42 "AQAABAAAAHAQAwAAAA4ABAACAAIAAAABAgAACQAAACIAAQAbAQUAAABwIAIAEAAnAAAAAQAAAAMA" + 43 "Bjxpbml0PgAMTFRyYW5zZm9ybTQ7ABFMamF2YS9sYW5nL0Vycm9yOwASTGphdmEvbGFuZy9PYmpl" + 44 "Y3Q7ABJMamF2YS9sYW5nL1N0cmluZzsAFVNob3VsZCBub3QgYmUgY2FsbGVkIQAPVHJhbnNmb3Jt" + 45 "NC5qYXZhAAFWAAJWTAASZW1pdHRlcjogamFjay00LjIyAAhncmVldGluZwAFc2F5SGkAAwEABw4A" + 46 "BQEABw4AAAEBAQACAIGABJQCAQGsAgANAAAAAAAAAAEAAAAAAAAAAQAAAAwAAABwAAAAAgAAAAUA" + 47 "AACgAAAAAwAAAAIAAAC0AAAABAAAAAEAAADMAAAABQAAAAQAAADUAAAABgAAAAEAAAD0AAAAASAA" + 48 "AAIAAAAUAQAAARAAAAEAAABQAQAAAiAAAAwAAABWAQAAAyAAAAIAAAD7AQAAACAAAAEAAAAHAgAA" + 49 "ABAAAAEAAAAYAgAA"); 50 51 public static void doTest(Transform4 t) { 52 t.sayHi("FieldChange"); 53 try { 54 Main.doCommonClassRedefinition(Transform4.class, CLASS_BYTES, DEX_BYTES); 55 } catch (Exception e) { 56 System.out.println( 57 "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")"); 58 } 59 t.sayHi("FieldChange"); 60 } 61 } 62