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 com.android.rkpdapp.testutil;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 import static com.google.common.truth.TruthJUnit.assume;
21 
22 import android.hardware.security.keymint.IRemotelyProvisionedComponent;
23 
24 import com.android.rkpdapp.interfaces.ServiceManagerInterface;
25 import com.android.rkpdapp.interfaces.SystemInterface;
26 
27 public class SystemInterfaceSelector {
28     /**
29      * Gets the system interface object for provided service name.
30      */
getSystemInterfaceForServiceName(String serviceName)31     public static SystemInterface getSystemInterfaceForServiceName(String serviceName) {
32         SystemInterface matchingInterface = null;
33         for (SystemInterface systemInterface: ServiceManagerInterface.getAllInstances()) {
34             if (systemInterface.getServiceName().equals(serviceName)) {
35                 matchingInterface = systemInterface;
36             }
37         }
38         if (matchingInterface == null) {
39             assertThat(serviceName).isEqualTo(IRemotelyProvisionedComponent.DESCRIPTOR + "/avf");
40             assume().withMessage("AVF is not supported by this system").fail();
41         }
42         return matchingInterface;
43     }
44 }
45