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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.util.Base64;
public class Main {
// class Transform {
// public void sayHi(int recur, Runnable r) {
// privateSayHi(recur, r);
// }
// private void privateSayHi(int recur, Runnable r) {
// System.out.println("Hello" + recur + " - transformed");
// if (recur == 1) {
// r.run();
// privateSayHi(recur - 1, r);
// } else if (recur != 0) {
// privateSayHi(recur - 1, r);
// }
// System.out.println("Goodbye" + recur + " - transformed");
// }
// }
private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
"yv66vgAAADQAOAoADwAaCgAOABsJABwAHQcAHgoABAAaCAAfCgAEACAKAAQAIQgAIgoABAAjCgAk" +
"ACULACYAJwgAKAcAKQcAKgEABjxpbml0PgEAAygpVgEABENvZGUBAA9MaW5lTnVtYmVyVGFibGUB" +
"AAVzYXlIaQEAGChJTGphdmEvbGFuZy9SdW5uYWJsZTspVgEADHByaXZhdGVTYXlIaQEADVN0YWNr" +
"TWFwVGFibGUBAApTb3VyY2VGaWxlAQAOVHJhbnNmb3JtLmphdmEMABAAEQwAFgAVBwArDAAsAC0B" +
"ABdqYXZhL2xhbmcvU3RyaW5nQnVpbGRlcgEABUhlbGxvDAAuAC8MAC4AMAEADiAtIHRyYW5zZm9y" +
"bWVkDAAxADIHADMMADQANQcANgwANwARAQAHR29vZGJ5ZQEACVRyYW5zZm9ybQEAEGphdmEvbGFu" +
"Zy9PYmplY3QBABBqYXZhL2xhbmcvU3lzdGVtAQADb3V0AQAVTGphdmEvaW8vUHJpbnRTdHJlYW07" +
"AQAGYXBwZW5kAQAtKExqYXZhL2xhbmcvU3RyaW5nOylMamF2YS9sYW5nL1N0cmluZ0J1aWxkZXI7" +
"AQAcKEkpTGphdmEvbGFuZy9TdHJpbmdCdWlsZGVyOwEACHRvU3RyaW5nAQAUKClMamF2YS9sYW5n" +
"L1N0cmluZzsBABNqYXZhL2lvL1ByaW50U3RyZWFtAQAHcHJpbnRsbgEAFShMamF2YS9sYW5nL1N0" +
"cmluZzspVgEAEmphdmEvbGFuZy9SdW5uYWJsZQEAA3J1bgAgAA4ADwAAAAAAAwAAABAAEQABABIA" +
"AAAdAAEAAQAAAAUqtwABsQAAAAEAEwAAAAYAAQAAAAEAAQAUABUAAQASAAAAIwADAAMAAAAHKhss" +
"twACsQAAAAEAEwAAAAoAAgAAAAMABgAEAAIAFgAVAAEAEgAAAJ0AAwADAAAAX7IAA7sABFm3AAUS" +
"BrYABxu2AAgSCbYAB7YACrYACxsEoAAULLkADAEAKhsEZCy3AAKnAA8bmQALKhsEZCy3AAKyAAO7" +
"AARZtwAFEg22AAcbtgAIEgm2AAe2AAq2AAuxAAAAAgATAAAAIgAIAAAABgAeAAcAIwAIACkACQA0" +
"AAoAOAALAEAADQBeAA4AFwAAAAQAAjQLAAEAGAAAAAIAGQ==");
private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
"ZGV4CjAzNQBQqwVIiZvIuS8j1HDurKbXZEV62Mnug5PEBAAAcAAAAHhWNBIAAAAAAAAAACQEAAAb" +
"AAAAcAAAAAkAAADcAAAABgAAAAABAAABAAAASAEAAAoAAABQAQAAAQAAAKABAAAEAwAAwAEAAMAC" +
"AADQAgAA2AIAAOECAADoAgAA6wIAAO4CAADyAgAA9gIAAAMDAAAaAwAALgMAAEQDAABYAwAAcwMA" +
"AIcDAACXAwAAmgMAAJ8DAACjAwAAqwMAAL8DAADEAwAAzQMAANsDAADgAwAA5wMAAAQAAAAIAAAA" +
"CQAAAAoAAAALAAAADAAAAA0AAAAOAAAAEAAAAAUAAAAFAAAAAAAAAAYAAAAGAAAAqAIAAAcAAAAG" +
"AAAAsAIAABAAAAAIAAAAAAAAABEAAAAIAAAAuAIAABIAAAAIAAAAsAIAAAcAAgAVAAAAAQADAAEA" +
"AAABAAQAFwAAAAEABAAZAAAAAgAFABYAAAADAAMAAQAAAAQAAwAYAAAABgADAAEAAAAGAAEAEwAA" +
"AAYAAgATAAAABgAAABoAAAABAAAAAAAAAAMAAAAAAAAADwAAAAAAAAAQBAAAAAAAAAEAAQABAAAA" +
"8QMAAAQAAABwEAQAAAAOAAYAAwADAAAA9gMAAFQAAABiAAAAIgEGAHAQBgABABsCAwAAAG4gCAAh" +
"AAwBbiAHAEEADAEbAgAAAABuIAgAIQAMAW4QCQABAAwBbiADABAAEhAzBCsAchAFAAUA2AAE/3Aw" +
"AQADBWIAAAAiAQYAcBAGAAEAGwICAAAAbiAIACEADAFuIAcAQQAMARsCAAAAAG4gCAAhAAwBbhAJ" +
"AAEADAFuIAMAEAAOADgE3//YAAT/cDABAAMFKNgDAAMAAwAAAAgEAAAEAAAAcDABABACDgABAAAA" +
"AAAAAAEAAAAFAAAAAgAAAAAABAAOIC0gdHJhbnNmb3JtZWQABjxpbml0PgAHR29vZGJ5ZQAFSGVs" +
"bG8AAUkAAUwAAkxJAAJMTAALTFRyYW5zZm9ybTsAFUxqYXZhL2lvL1ByaW50U3RyZWFtOwASTGph" +
"dmEvbGFuZy9PYmplY3Q7ABRMamF2YS9sYW5nL1J1bm5hYmxlOwASTGphdmEvbGFuZy9TdHJpbmc7" +
"ABlMamF2YS9sYW5nL1N0cmluZ0J1aWxkZXI7ABJMamF2YS9sYW5nL1N5c3RlbTsADlRyYW5zZm9y" +
"bS5qYXZhAAFWAANWSUwAAlZMAAZhcHBlbmQAEmVtaXR0ZXI6IGphY2stNC4yNAADb3V0AAdwcmlu" +
"dGxuAAxwcml2YXRlU2F5SGkAA3J1bgAFc2F5SGkACHRvU3RyaW5nAAEABw4ABgIAAAcOASAPPDxd" +
"ASAPGS0AAwIAAAcOPAAAAAIBAICABMADAQLYAwIBkAUAAA0AAAAAAAAAAQAAAAAAAAABAAAAGwAA" +
"AHAAAAACAAAACQAAANwAAAADAAAABgAAAAABAAAEAAAAAQAAAEgBAAAFAAAACgAAAFABAAAGAAAA" +
"AQAAAKABAAABIAAAAwAAAMABAAABEAAAAwAAAKgCAAACIAAAGwAAAMACAAADIAAAAwAAAPEDAAAA" +
"IAAAAQAAABAEAAAAEAAAAQAAACQEAAA=");
public static void main(String[] args) {
art.Main.bindAgentJNIForClass(Main.class);
doTest(new Transform());
}
public static void doTest(Transform t) {
t.sayHi(2, () -> { System.out.println("Not doing anything here"); });
t.sayHi(2, () -> {
System.out.println("transforming calling function");
doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES);
});
t.sayHi(2, () -> { System.out.println("Not doing anything here"); });
}
// Transforms the class
private static native void doCommonClassRedefinition(Class<?> target,
byte[] classfile,
byte[] dexfile);
}
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