| /* |
| * Copyright (C) 2016 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 dalvik.system; |
| |
| import libcore.util.NonNull; |
| import libcore.util.Nullable; |
| import java.nio.ByteBuffer; |
| |
| /** |
| * A {@link ClassLoader} implementation that loads classes from a |
| * buffer containing a DEX file. This can be used to execute code that |
| * has not been written to the local file system. |
| */ |
| public final class InMemoryDexClassLoader extends BaseDexClassLoader { |
| /** |
| * Create an in-memory DEX class loader with the given dex buffers. |
| * |
| * @param dexBuffers array of buffers containing DEX files between |
| * <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>. |
| * @param librarySearchPath the list of directories containing native |
| * libraries, delimited by {@code File.pathSeparator}; may be {@code null} |
| * @param parent the parent class loader for delegation. |
| */ |
| public InMemoryDexClassLoader(@NonNull ByteBuffer @NonNull [] dexBuffers, |
| @Nullable String librarySearchPath, @Nullable ClassLoader parent) { |
| super(dexBuffers, librarySearchPath, parent); |
| } |
| |
| /** |
| * Create an in-memory DEX class loader with the given dex buffers. |
| * |
| * @param dexBuffers array of buffers containing DEX files between |
| * <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>. |
| * @param parent the parent class loader for delegation. |
| */ |
| public InMemoryDexClassLoader(@NonNull ByteBuffer @NonNull [] dexBuffers, |
| @Nullable ClassLoader parent) { |
| this(dexBuffers, null, parent); |
| } |
| |
| /** |
| * Creates a new in-memory DEX class loader. |
| * |
| * @param dexBuffer buffer containing DEX file contents between |
| * <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>. |
| * @param parent the parent class loader for delegation. |
| */ |
| public InMemoryDexClassLoader(@NonNull ByteBuffer dexBuffer, @Nullable ClassLoader parent) { |
| this(new ByteBuffer[] { dexBuffer }, parent); |
| } |
| } |