1 /* 2 * Copyright (C) 2023 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 #ifndef BUFFERUTILS_H_ 17 #define BUFFERUTILS_H_ 18 19 #include <jni.h> 20 21 #include <vector> 22 23 /** 24 * Helper method to load a java.nio.Buffer instance into a vector. This handles 25 * both direct and indirect buffers and promptly releases any critical arrays that 26 * have been retrieved in order to avoid potential jni exceptions due to interleaved 27 * jni calls between get/release primitive method invocations. 28 */ 29 std::vector<uint8_t> copyJavaNioBufferToVector(JNIEnv* env, jobject buffer, size_t size, 30 jboolean isDirect); 31 32 #endif // BUFFERUTILS_H_ 33