1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.timezone;
import android.annotation.NonNull;
import android.annotation.Nullable;
import java.util.Objects;
/**
* A class that can find telephony network information loaded via {@link TelephonyLookup}.
*
* @hide
*/
public final class TelephonyNetworkFinder {
@NonNull
private final com.android.i18n.timezone.TelephonyNetworkFinder mDelegate;
TelephonyNetworkFinder(com.android.i18n.timezone.TelephonyNetworkFinder delegate) {
mDelegate = Objects.requireNonNull(delegate);
}
/**
* Returns information held about a specific MCC + MNC combination. It is expected for this
* method to return {@code null}. Only known, unusual networks will typically have information
* returned, e.g. if they operate in countries other than the one suggested by their MCC.
*/
@Nullable
public TelephonyNetwork findNetworkByMccMnc(@NonNull String mcc, @NonNull String mnc) {
Objects.requireNonNull(mcc);
Objects.requireNonNull(mnc);
com.android.i18n.timezone.TelephonyNetwork telephonyNetworkDelegate =
mDelegate.findNetworkByMccMnc(mcc, mnc);
return telephonyNetworkDelegate != null
? new TelephonyNetwork(telephonyNetworkDelegate) : null;
}
}
|
