1 /* 2 * Copyright (C) 2009 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 package tests.support; 17 18 import java.io.File; 19 import java.net.URL; 20 21 import dalvik.system.DexClassLoader; 22 23 /** 24 * Implementation for Dalvik. Uses the DexClassLoader, so we can write 25 * temporary DEX files to a special directory. We don't want to spoil the 26 * system's DEX cache with our files. Also, we might not have write access 27 * to the system's DEX cache at all (which is the case when we're running 28 * CTS). 29 */ 30 class Support_ClassLoaderDalvik extends Support_ClassLoader { 31 32 private static File tmp; 33 34 static { 35 tmp = new File(System.getProperty("java.io.tmpdir"), "dex-cache"); 36 tmp.mkdirs(); 37 } 38 39 @Override 40 public ClassLoader getClassLoader(URL url, ClassLoader parent) { 41 return new DexClassLoader(url.getPath(), tmp.getAbsolutePath(), 42 null, parent); 43 } 44 } 45