/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.io.File;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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public class Main {
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public static void main(String[] args) throws Exception {
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System.loadLibrary(args[0]);
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init();
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appendToBootClassLoader(DEX_EXTRA, /* isCorePlatform */ false);
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Class<?> klass = Object.class.getClassLoader().loadClass("MyInterface");
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Object obj = Proxy.newProxyInstance(
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klass.getClassLoader(),
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new Class[] { klass, Cloneable.class },
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new InvocationHandler() {
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@Override
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public Object invoke(Object proxy, Method method, Object[] args) {
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return null;
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}
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});
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// Print names of declared methods - this should not include "hidden()".
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for (Method m : obj.getClass().getDeclaredMethods()) {
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System.out.println(m.getName());
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}
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// Do not print names of fields. They do not have a set Java name.
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if (obj.getClass().getDeclaredFields().length != 2) {
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throw new Exception("Expected two fields in a proxy class: 'interfaces' and 'throws'");
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}
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}
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private static final String DEX_EXTRA = new File(System.getenv("DEX_LOCATION"),
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"691-hiddenapi-proxy-ex.jar").getAbsolutePath();
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private static native void init();
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private static native void appendToBootClassLoader(String dexPath, boolean isCorePlatform);
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}
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