1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5package org.chromium.base; 6 7/** 8 * This class provides an interface to the native class for writing 9 * important data files without risking data loss. 10 */ 11@JNINamespace("base::android") 12public class ImportantFileWriterAndroid { 13 14 /** 15 * Write a binary file atomically. 16 * 17 * This either writes all the data or leaves the file unchanged. 18 * 19 * @param fileName The complete path of the file to be written 20 * @param data The data to be written to the file 21 * @return true if the data was written to the file, false if not. 22 */ 23 public static boolean writeFileAtomically(String fileName, byte[] data) { 24 return nativeWriteFileAtomically(fileName, data); 25 } 26 27 private static native boolean nativeWriteFileAtomically( 28 String fileName, byte[] data); 29} 30