1 /* 2 * Copyright (C) 2016 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 package dalvik.system; 18 19 import java.nio.ByteBuffer; 20 21 /** 22 * A {@link ClassLoader} implementation that loads classes from a 23 * buffer containing a DEX file. This can be used to execute code that 24 * has not been written to the local file system. 25 */ 26 public final class InMemoryDexClassLoader extends BaseDexClassLoader { 27 /** 28 * Create an in-memory DEX class loader with the given dex buffers. 29 * 30 * @param dexBuffers array of buffers containing DEX files between 31 * <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>. 32 * @param parent the parent class loader for delegation. 33 */ 34 public InMemoryDexClassLoader(ByteBuffer[] dexBuffers, ClassLoader parent) { 35 super(dexBuffers, parent); 36 } 37 38 /** 39 * Creates a new in-memory DEX class loader. 40 * 41 * @param dexBuffer buffer containing DEX file contents between 42 * <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>. 43 * @param parent the parent class loader for delegation. 44 */ 45 public InMemoryDexClassLoader(ByteBuffer dexBuffer, ClassLoader parent) { 46 this(new ByteBuffer[] { dexBuffer }, parent); 47 } 48 } 49
