a76eddd16a
Summary: Merge upstream fbjni into our copy. Reviewed By: priteshrnandgaonkar Differential Revision: D16828183 fbshipit-source-id: 720f7411d4327870c01d3f70e9d2b03909362795
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the LICENSE
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* file in the root directory of this source tree.
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*
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*/
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#pragma once
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#include <fbjni/fbjni.h>
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namespace facebook {
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namespace jni {
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class JBuffer : public JavaClass<JBuffer> {
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public:
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static constexpr const char* kJavaDescriptor = "Ljava/nio/Buffer;";
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void rewind() const;
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bool isDirect() const;
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void* getDirectAddress() const;
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size_t getDirectCapacity() const;
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};
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// JNI's NIO support has some awkward preconditions and error reporting. This
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// class provides much more user-friendly access.
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class JByteBuffer : public JavaClass<JByteBuffer, JBuffer> {
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public:
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static constexpr const char* kJavaDescriptor = "Ljava/nio/ByteBuffer;";
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static local_ref<JByteBuffer> wrapBytes(uint8_t* data, size_t size);
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static local_ref<JByteBuffer> allocateDirect(jint size);
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uint8_t* getDirectBytes() const {
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return static_cast<uint8_t*>(getDirectAddress());
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}
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size_t getDirectSize() const {
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return getDirectCapacity();
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}
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};
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}}
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