| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.test.wakeuploop; |
| |
| import android.util.Log; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.text.DateFormat; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| |
| public class FileUtil { |
| |
| private static FileUtil sInst = null; |
| private static DateFormat sDateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss"); |
| |
| private FileUtil() {}; |
| |
| public static FileUtil get() { |
| if (sInst == null) { |
| sInst = new FileUtil(); |
| } |
| return sInst; |
| } |
| |
| public void writeDateToFile(File file) { |
| try { |
| FileOutputStream fos = new FileOutputStream(file); |
| fos.write(sDateFormat.format(new Date()).getBytes()); |
| fos.write('\n'); |
| fos.flush(); |
| fos.close(); |
| } catch (IOException ioe) { |
| Log.e("FileUtil", "exception writing date to file", ioe); |
| } |
| } |
| } |