| /* |
| * Copyright (C) 2009 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. |
| */ |
| package tests.support; |
| |
| import java.io.File; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| |
| import dalvik.system.DexClassLoader; |
| |
| /** |
| * Support class for creating a file-based ClassLoader. Delegates to either |
| * Dalvik's PathClassLoader or the RI's URLClassLoader, but does so by-name. |
| * This allows us to run corresponding tests in both environments. |
| */ |
| public abstract class Support_ClassLoader { |
| |
| public abstract ClassLoader getClassLoader(URL url, ClassLoader parent); |
| |
| public static ClassLoader getInstance(URL url, ClassLoader parent) { |
| try { |
| Support_ClassLoader factory; |
| |
| if ("Dalvik".equals(System.getProperty("java.vm.name"))) { |
| factory = (Support_ClassLoader)Class.forName( |
| "tests.support.Support_ClassLoader$Dalvik").newInstance(); |
| } else { |
| factory = (Support_ClassLoader)Class.forName( |
| "tests.support.Support_ClassLoader$RefImpl").newInstance(); |
| } |
| |
| return factory.getClassLoader(url, parent); |
| } catch (Exception ex) { |
| throw new RuntimeException("Unable to create ClassLoader", ex); |
| } |
| } |
| |
| /** |
| * Implementation for Dalvik. Uses the DexClassLoader, so we can write |
| * temporary DEX files to a special directory. We don't want to spoil the |
| * system's DEX cache with our files. Also, we might not have write access |
| * to the system's DEX cache at all (which is the case when we're running |
| * CTS). |
| */ |
| static class Dalvik extends Support_ClassLoader { |
| |
| private static File tmp; |
| |
| static { |
| tmp = new File(System.getProperty("java.io.tmpdir"), "dex-cache"); |
| tmp.mkdirs(); |
| } |
| |
| @Override |
| public ClassLoader getClassLoader(URL url, ClassLoader parent) { |
| return new DexClassLoader(url.getPath(), tmp.getAbsolutePath(), |
| null, parent); |
| } |
| } |
| |
| /** |
| * Implementation for the reference implementation. Nothing interesting to |
| * see here. Please get along. |
| */ |
| static class RefImpl extends Support_ClassLoader { |
| @Override |
| public ClassLoader getClassLoader(URL url, ClassLoader parent) { |
| return new URLClassLoader(new URL[] { url }, parent); |
| } |
| } |
| } |