| /* |
| * Copyright (C) 2012 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 com.android.tradefed.result; |
| |
| import com.android.tradefed.log.LogUtil.CLog; |
| import com.android.tradefed.util.FileUtil; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| |
| /** |
| * Helper class for creating a .retention file in a directory. |
| * Intended to be used by external tools to determine when a directory can be deleted. |
| */ |
| public class RetentionFileSaver { |
| |
| public static final String RETENTION_DATE_FORMAT = "yyyy-MM-dd HH:mm:ss zzz"; |
| public static final String RETENTION_FILE_NAME = ".retention"; |
| |
| /** |
| * Creates a .retention file in given dir with timestamp == current + logRetentionDays |
| */ |
| public void writeRetentionFile(File dir, int logRetentionDays) { |
| try { |
| long deleteTimeEpoch = System.currentTimeMillis() + (long)logRetentionDays * 24 * 60 * |
| 60 * 1000; |
| Date date = new Date(deleteTimeEpoch); |
| File retentionFile = new File(dir, RETENTION_FILE_NAME); |
| FileUtil.writeToFile(new SimpleDateFormat(RETENTION_DATE_FORMAT).format(date), |
| retentionFile); |
| } catch (IOException e) { |
| CLog.e("Unable to create retention file in directory in %s", dir.getAbsolutePath()); |
| CLog.e(e); |
| } |
| } |
| |
| public boolean shouldDelete(File retentionFile) { |
| if (!retentionFile.isFile() || !retentionFile.getName().equals(RETENTION_FILE_NAME)) { |
| CLog.w("%s is not a retention file", retentionFile.getAbsolutePath()); |
| return false; |
| } |
| String timestamp; |
| try { |
| timestamp = FileUtil.readStringFromFile(retentionFile); |
| Date retentionDate = new SimpleDateFormat(RETENTION_DATE_FORMAT).parse(timestamp); |
| return new Date().after(retentionDate); |
| } catch (IOException e) { |
| CLog.e("Unable to read retention file %s", retentionFile.getAbsolutePath()); |
| CLog.e(e); |
| } catch (ParseException e) { |
| CLog.e("Unable to read timestamp in retention file %s", retentionFile.getAbsolutePath()); |
| CLog.e(e); |
| } |
| return false; |
| } |
| } |