| /* |
| * 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.util; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Contains time related utility methods. |
| */ |
| public class TimeUtil { |
| |
| private final static SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
| |
| // only static methods, don't allow construction |
| private TimeUtil() { |
| } |
| |
| /** |
| * Return a prettified version of the given elapsed time in milliseconds. |
| */ |
| public static String formatElapsedTime(long elapsedTimeMs) { |
| if (elapsedTimeMs < 1000) { |
| return String.format("%d ms", elapsedTimeMs); |
| } |
| long seconds = TimeUnit.MILLISECONDS.toSeconds(elapsedTimeMs) % 60; |
| long minutes = TimeUnit.MILLISECONDS.toMinutes(elapsedTimeMs) % 60; |
| long hours = TimeUnit.MILLISECONDS.toHours(elapsedTimeMs); |
| StringBuilder time = new StringBuilder(); |
| if (hours > 0) { |
| time.append(hours); |
| time.append("h "); |
| } |
| if (minutes > 0) { |
| time.append(minutes); |
| time.append("m "); |
| } |
| time.append(seconds); |
| time.append("s"); |
| |
| return time.toString(); |
| } |
| |
| /** |
| * Return a readable formatted version of the given epoch time. |
| * |
| * @param epochTime the epoch time in milliseconds |
| * @return a user readable string |
| */ |
| public static String formatTimeStamp(long epochTime) { |
| return TIME_FORMAT.format(new Date(epochTime)); |
| } |
| } |