1 /*
2  * Copyright (C) 2016 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.phone.vvm;
18 
19 import android.annotation.Nullable;
20 import android.telecom.PhoneAccountHandle;
21 import android.telephony.SubscriptionManager;
22 
23 import com.android.internal.telephony.Phone;
24 import com.android.internal.telephony.PhoneFactory;
25 import com.android.phone.PhoneUtils;
26 
27 /**
28  * Utility to convert between PhoneAccountHandle and subId, which is a common operation in OMTP
29  * client
30  *
31  * TODO(b/28977379): remove dependency on PhoneUtils and use public APIs
32  */
33 public class PhoneAccountHandleConverter {
34 
35     private static final String TAG = "PhoneAccountHndCvtr";
36 
37     @Nullable
fromSubId(int subId)38     public static PhoneAccountHandle fromSubId(int subId) {
39         if (!SubscriptionManager.isValidSubscriptionId(subId)) {
40             VvmLog.e(TAG, "invalid subId " + subId);
41             return null;
42         }
43         // Calling PhoneUtils.makePstnPhoneAccountHandle() with a phoneId might throw a NPE if the
44         // phone object cannot be found, so the Phone object should be created and checked here.
45         Phone phone = PhoneFactory.getPhone(SubscriptionManager.getPhoneId(subId));
46         if (phone == null) {
47             VvmLog.e(TAG, "Unable to find Phone for subId " + subId);
48             return null;
49         }
50         return PhoneUtils.makePstnPhoneAccountHandle(phone);
51     }
52 
toSubId(PhoneAccountHandle handle)53     public static int toSubId(PhoneAccountHandle handle) {
54         return PhoneUtils.getSubIdForPhoneAccountHandle(handle);
55     }
56 
PhoneAccountHandleConverter()57     private PhoneAccountHandleConverter() {
58     }
59 }
60