1 /* 2 * Copyright (C) 2015 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.io.File; 18 import java.lang.reflect.Constructor; 19 import java.lang.reflect.Method; 20 21 /** 22 * Structural hazard test. 23 */ 24 public class Main { 25 public static String TEST_NAME = "138-duplicate-classes-check2"; 26 27 public static ClassLoader getClassLoaderFor(String location) throws Exception { 28 try { 29 Class<?> class_loader_class = Class.forName("dalvik.system.PathClassLoader"); 30 Constructor<?> ctor = 31 class_loader_class.getConstructor(String.class, ClassLoader.class); 32 /* on Dalvik, this is a DexFile; otherwise, it's null */ 33 return (ClassLoader) ctor.newInstance(location + "/" + TEST_NAME + "-ex.jar", 34 Main.class.getClassLoader()); 35 } catch (ClassNotFoundException e) { 36 // Running on RI. Use URLClassLoader. 37 return new java.net.URLClassLoader( 38 new java.net.URL[] { new java.net.URL("file://" + location + "/classes-ex/") }); 39 } 40 } 41 42 public static void main(String[] args) { 43 new Main().run(); 44 } 45 46 private void run() { 47 System.out.println(new A().i); 48 49 // Now run the class from the -ex file. 50 try { 51 /* this is the "alternate" DEX/Jar file */ 52 ClassLoader new_loader = getClassLoaderFor(System.getenv("DEX_LOCATION")); 53 Class<?> klass = (Class<?>) new_loader.loadClass("TestEx"); 54 if (klass == null) { 55 throw new AssertionError("loadClass failed"); 56 } 57 Method run_test = klass.getMethod("test"); 58 run_test.invoke(null); 59 } catch (Exception e) { 60 System.out.println(e.toString()); 61 e.printStackTrace(System.out); 62 } 63 } 64 } 65
