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