1 /*
2  * Copyright (C) 2021 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 
17 package com.android.bedstead.nene.users;
18 
19 import android.annotation.SuppressLint;
20 import android.annotation.TargetApi;
21 import android.os.Build;
22 
23 import androidx.annotation.Nullable;
24 
25 import com.android.bedstead.nene.exceptions.AdbParseException;
26 
27 import java.util.Map;
28 
29 /**
30  * Parser for the output of "adb dumpsys user".
31  */
32 @TargetApi(Build.VERSION_CODES.O)
33 interface AdbUserParser {
34 
35     @SuppressLint("NewApi")
get(int sdkVersion)36     static AdbUserParser get(int sdkVersion) {
37         if (sdkVersion >= 31) {
38             return new AdbUserParser31();
39         }
40         if (sdkVersion >= 30) {
41             return new AdbUserParser30();
42         }
43         return new AdbUserParser26();
44     }
45 
46     /**
47      * The result of parsing.
48      *
49      * <p>Values which are not used on the current version of Android will be {@code null}.
50      */
51     class ParseResult {
52         Map<Integer, AdbUser> mUsers;
53         @Nullable Map<String, UserType> mUserTypes;
54     }
55 
parse(String dumpsysUsersOutput)56     ParseResult parse(String dumpsysUsersOutput) throws AdbParseException;
57 }