1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you 5 * may not use this file except in compliance with the License. You may 6 * obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 13 * implied. See the License for the specific language governing 14 * permissions and limitations under the License. 15 */ 16 package com.android.vts.util; 17 18 import java.time.Instant; 19 import java.time.ZoneId; 20 import java.time.ZonedDateTime; 21 import java.time.format.DateTimeFormatter; 22 import java.util.concurrent.TimeUnit; 23 import java.util.logging.Logger; 24 25 /** TimeUtil, a helper class for formatting times. */ 26 public class TimeUtil { 27 protected static final Logger logger = Logger.getLogger(TimeUtil.class.getName()); 28 29 public static final String DATE_FORMAT = "yyyy-MM-dd"; 30 public static final String DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss"; 31 public static final String DATE_TIME_ZONE_FORMAT = "yyyy-MM-dd HH:mm:ss (z)"; 32 public static final ZoneId PT_ZONE = ZoneId.of("America/Los_Angeles"); 33 34 /** 35 * Create a date time string with zone info from the provided timestamp. 36 * 37 * @param timeMicroseconds The time in microseconds 38 * @return A formatted date time string. 39 */ getDateTimeZoneString(long timeMicroseconds)40 public static String getDateTimeZoneString(long timeMicroseconds) { 41 long timeMillis = TimeUnit.MICROSECONDS.toMillis(timeMicroseconds); 42 ZonedDateTime zdt = ZonedDateTime.ofInstant(Instant.ofEpochMilli(timeMillis), PT_ZONE); 43 return DateTimeFormatter.ofPattern(DATE_TIME_ZONE_FORMAT).format(zdt); 44 } 45 46 /** 47 * Create a date string from the provided timestamp. 48 * 49 * @param timeMicroseconds The time in microseconds 50 * @return A formatted date string. 51 */ getDateString(long timeMicroseconds)52 public static String getDateString(long timeMicroseconds) { 53 long timeMillis = TimeUnit.MICROSECONDS.toMillis(timeMicroseconds); 54 ZonedDateTime zdt = ZonedDateTime.ofInstant(Instant.ofEpochMilli(timeMillis), PT_ZONE); 55 return DateTimeFormatter.ofPattern(DATE_FORMAT).format(zdt); 56 } 57 58 /** 59 * Create a date string from the provided timestamp. 60 * 61 * @param timeMicroseconds The time in microseconds 62 * @return A formatted date string. 63 */ getDateTimeString(long timeMicroseconds)64 public static String getDateTimeString(long timeMicroseconds) { 65 long timeMillis = TimeUnit.MICROSECONDS.toMillis(timeMicroseconds); 66 ZonedDateTime zdt = ZonedDateTime.ofInstant(Instant.ofEpochMilli(timeMillis), PT_ZONE); 67 return DateTimeFormatter.ofPattern(DATE_TIME_FORMAT).format(zdt); 68 } 69 70 /** 71 * Create a ZonedDateTime object from the provided timestamp. 72 * 73 * @param timeMicroseconds The time in microseconds 74 * @return A ZonedDateTime object. 75 */ getZonedDateTime(long timeMicroseconds)76 public static ZonedDateTime getZonedDateTime(long timeMicroseconds) { 77 long timeMillis = TimeUnit.MICROSECONDS.toMillis(timeMicroseconds); 78 return ZonedDateTime.ofInstant(Instant.ofEpochMilli(timeMillis), PT_ZONE); 79 } 80 } 81