1 /**
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy
6  * 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, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations
14  * under the License.
15  */
16 package com.android.server.usage;
17 
18 /**
19  * A handy calendar object that knows nothing of Locale's or TimeZones. This simplifies
20  * interval book-keeping. It is *NOT* meant to be used as a user-facing calendar, as it has
21  * no concept of Locale or TimeZone.
22  */
23 public class UnixCalendar {
24     public static final long DAY_IN_MILLIS = 24 * 60 * 60 * 1000;
25     public static final long WEEK_IN_MILLIS = 7 * DAY_IN_MILLIS;
26     public static final long MONTH_IN_MILLIS = 30 * DAY_IN_MILLIS;
27     public static final long YEAR_IN_MILLIS = 365 * DAY_IN_MILLIS;
28     private long mTime;
29 
UnixCalendar(long time)30     public UnixCalendar(long time) {
31         mTime = time;
32     }
33 
addDays(int val)34     public void addDays(int val) {
35         mTime += val * DAY_IN_MILLIS;
36     }
37 
addWeeks(int val)38     public void addWeeks(int val) {
39         mTime += val * WEEK_IN_MILLIS;
40     }
41 
addMonths(int val)42     public void addMonths(int val) {
43         mTime += val * MONTH_IN_MILLIS;
44     }
45 
addYears(int val)46     public void addYears(int val) {
47         mTime += val * YEAR_IN_MILLIS;
48     }
49 
setTimeInMillis(long time)50     public void setTimeInMillis(long time) {
51         mTime = time;
52     }
53 
getTimeInMillis()54     public long getTimeInMillis() {
55         return mTime;
56     }
57 }
58