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/* 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 "../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
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