blob: fcaa3b1ea05df83fc286f159d208deb14c135704 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/android/jni_string.h"
#include "base/files/important_file_writer.h"
#include "base/threading/thread_restrictions.h"
#include "jni/ImportantFileWriterAndroid_jni.h"
namespace base {
namespace android {
static jboolean JNI_ImportantFileWriterAndroid_WriteFileAtomically(
JNIEnv* env,
const JavaParamRef<jclass>& /* clazz */,
const JavaParamRef<jstring>& file_name,
const JavaParamRef<jbyteArray>& data) {
// This is called on the UI thread during shutdown to save tab data, so
// needs to enable IO.
base::ThreadRestrictions::ScopedAllowIO allow_io;
std::string native_file_name;
base::android::ConvertJavaStringToUTF8(env, file_name, &native_file_name);
base::FilePath path(native_file_name);
int data_length = env->GetArrayLength(data);
jbyte* native_data = env->GetByteArrayElements(data, NULL);
std::string native_data_string(reinterpret_cast<char *>(native_data),
bool result = base::ImportantFileWriter::WriteFileAtomically(
path, native_data_string);
env->ReleaseByteArrayElements(data, native_data, JNI_ABORT);
return result;
} // namespace android
} // namespace base