1 /*
2  * Copyright (C) 2023 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 android.net.wifi.cts;
18 
19 import static org.junit.Assert.assertEquals;
20 
21 import android.content.Context;
22 import android.content.Intent;
23 import android.content.pm.PackageManager;
24 import android.content.pm.ResolveInfo;
25 import android.content.res.Resources;
26 
27 import java.io.File;
28 import java.util.List;
29 
30 public class WifiResourceUtil {
31     private static final String ACTION_RESOURCES_APK =
32             "com.android.server.wifi.intent.action.SERVICE_WIFI_RESOURCES_APK";
33 
34     private static final String WIFI_APEX_NAME = "com.android.wifi";
35 
36     private static final String WIFI_APEX_PATH =
37             new File("/apex", WIFI_APEX_NAME).getAbsolutePath();
38 
39     private final Resources sWifiResources;
40     private final Context sContext;
41     private String sWifiResourcesPackageName;
42 
WifiResourceUtil(Context context)43     public WifiResourceUtil(Context context) {
44         sContext = context;
45         sWifiResources = getWifiResources();
46     }
47 
getWifiResources()48     private Resources getWifiResources() {
49         final PackageManager pm = sContext.getPackageManager();
50         List<ResolveInfo> resolveInfos;
51         resolveInfos = pm.queryIntentActivities(new Intent(ACTION_RESOURCES_APK),
52                 PackageManager.MATCH_SYSTEM_ONLY);
53         // remove apps that don't live in the Wifi apex
54         resolveInfos.removeIf(info ->
55                 !info.activityInfo.applicationInfo.sourceDir.startsWith(WIFI_APEX_PATH));
56 
57         assertEquals(1, resolveInfos.size());
58         sWifiResourcesPackageName = resolveInfos.get(0).activityInfo.applicationInfo.packageName;
59         try {
60             return sContext.createPackageContext(sWifiResourcesPackageName, 0).getResources();
61         } catch (PackageManager.NameNotFoundException e) {
62             throw new RuntimeException(e);
63         }
64     }
65 
getWifiBoolean(String name)66     public boolean getWifiBoolean(String name) throws PackageManager.NameNotFoundException {
67         return sWifiResources.getBoolean(sWifiResources.getIdentifier(name, "bool",
68                 sWifiResourcesPackageName));
69     }
70 }
71