| /* Copyright 2017 Google Inc. All Rights Reserved. |
| |
| Distributed under MIT license. |
| See file LICENSE for detail or copy at https://opensource.org/licenses/MIT |
| */ |
| |
| #include <jni.h> |
| |
| #include "c/common/dictionary.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * Set data to be brotli dictionary data. |
| * |
| * @param buffer direct ByteBuffer |
| * @returns false if dictionary data was already set; otherwise true |
| */ |
| JNIEXPORT jint JNICALL |
| Java_org_brotli_wrapper_common_CommonJNI_nativeSetDictionaryData( |
| JNIEnv* env, jobject /*jobj*/, jobject buffer) { |
| jobject buffer_ref = env->NewGlobalRef(buffer); |
| if (!buffer_ref) { |
| return false; |
| } |
| uint8_t* data = static_cast<uint8_t*>(env->GetDirectBufferAddress(buffer)); |
| if (!data) { |
| env->DeleteGlobalRef(buffer_ref); |
| return false; |
| } |
| |
| BrotliSetDictionaryData(data); |
| |
| const BrotliDictionary* dictionary = BrotliGetDictionary(); |
| if (dictionary->data != data) { |
| env->DeleteGlobalRef(buffer_ref); |
| } else { |
| /* Don't release reference; it is an intended memory leak. */ |
| } |
| return true; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |