1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may 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 implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.cts.tradefed.result;
17 
18 import java.text.SimpleDateFormat;
19 import java.util.Date;
20 import java.util.concurrent.TimeUnit;
21 
22 /**
23  * Utility class for formatting times as strings.
24  */
25 class TimeUtil {
26 
27     /**
28      * Return a prettified version of the given elapsed time
29      * @return
30      */
formatElapsedTime(long elapsedTimeMs)31     static String formatElapsedTime(long elapsedTimeMs) {
32         long seconds = TimeUnit.MILLISECONDS.toSeconds(elapsedTimeMs) % 60;
33         long minutes = TimeUnit.MILLISECONDS.toMinutes(elapsedTimeMs) % 60;
34         long hours = TimeUnit.MILLISECONDS.toHours(elapsedTimeMs);
35         StringBuilder time = new StringBuilder();
36         if (hours > 0) {
37             time.append(hours);
38             time.append("h ");
39         }
40         if (minutes > 0) {
41             time.append(minutes);
42             time.append("m ");
43         }
44         time.append(seconds);
45         time.append("s");
46 
47         return time.toString();
48     }
49 
50     /**
51      * Return the current timestamp as a {@link String} suitable for displaying.
52      * <p/>
53      * Example: Fri Aug 20 15:13:03 PDT 2010
54      */
getTimestamp()55     static String getTimestamp() {
56         return getTimestamp(System.currentTimeMillis());
57     }
58 
59     /**
60      * Return the given time as a {@link String} suitable for displaying.
61      * <p/>
62      * Example: Fri Aug 20 15:13:03 PDT 2010
63      *
64      * @param time the epoch time in ms since midnight Jan 1, 1970
65      */
getTimestamp(long time)66     static String getTimestamp(long time) {
67         SimpleDateFormat dateFormat = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy");
68         return dateFormat.format(new Date(time));
69     }
70 
71     /**
72      * Return the current timestamp in a compressed format, used to uniquely identify results.
73      * <p/>
74      * Example: 2010.08.16_11.42.12
75      */
getResultTimestamp()76     static String getResultTimestamp() {
77         SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy.MM.dd_HH.mm.ss");
78         return dateFormat.format(new Date());
79     }
80 
81 }
82