66 lines
2.5 KiB
Java
66 lines
2.5 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dalvik.system;
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import libcore.util.NonNull;
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import libcore.util.Nullable;
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import java.nio.ByteBuffer;
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/**
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* A {@link ClassLoader} implementation that loads classes from a
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* buffer containing a DEX file. This can be used to execute code that
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* has not been written to the local file system.
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*/
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public final class InMemoryDexClassLoader extends BaseDexClassLoader {
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/**
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* Create an in-memory DEX class loader with the given dex buffers.
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*
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* @param dexBuffers array of buffers containing DEX files between
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* <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>.
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* @param librarySearchPath the list of directories containing native
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* libraries, delimited by {@code File.pathSeparator}; may be {@code null}
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* @param parent the parent class loader for delegation.
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*/
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public InMemoryDexClassLoader(@NonNull ByteBuffer @NonNull [] dexBuffers,
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@Nullable String librarySearchPath, @Nullable ClassLoader parent) {
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super(dexBuffers, librarySearchPath, parent);
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}
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/**
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* Create an in-memory DEX class loader with the given dex buffers.
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*
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* @param dexBuffers array of buffers containing DEX files between
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* <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>.
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* @param parent the parent class loader for delegation.
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*/
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public InMemoryDexClassLoader(@NonNull ByteBuffer @NonNull [] dexBuffers,
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@Nullable ClassLoader parent) {
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this(dexBuffers, null, parent);
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}
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/**
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* Creates a new in-memory DEX class loader.
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*
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* @param dexBuffer buffer containing DEX file contents between
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* <tt>buffer.position()</tt> and <tt>buffer.limit()</tt>.
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* @param parent the parent class loader for delegation.
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*/
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public InMemoryDexClassLoader(@NonNull ByteBuffer dexBuffer, @Nullable ClassLoader parent) {
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this(new ByteBuffer[] { dexBuffer }, parent);
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}
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}
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