1a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)package org.chromium.base; 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)/** 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * This class provides an interface to the native class for writing 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * important data files without risking data loss. 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) */ 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)@JNINamespace("base::android") 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)public class ImportantFileWriterAndroid { 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) /** 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * Write a binary file atomically. 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * This either writes all the data or leaves the file unchanged. 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * @param fileName The complete path of the file to be written 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * @param data The data to be written to the file 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * @return true if the data was written to the file, false if not. 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) */ 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public static boolean writeFileAtomically(String fileName, byte[] data) { 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return nativeWriteFileAtomically(fileName, data); 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private static native boolean nativeWriteFileAtomically( 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) String fileName, byte[] data); 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 30