| /* |
| * 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 android.annotation.SystemApi; |
| |
| import java.util.Objects; |
| |
| /** |
| * A class that can find telephony network information loaded via {@link TelephonyLookup}. |
| * |
| * @hide |
| */ |
| @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) |
| public final class TelephonyNetworkFinder { |
| |
| @NonNull |
| private final libcore.timezone.TelephonyNetworkFinder mDelegate; |
| |
| TelephonyNetworkFinder(libcore.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); |
| |
| libcore.timezone.TelephonyNetwork telephonyNetworkDelegate = |
| mDelegate.findNetworkByMccMnc(mcc, mnc); |
| return telephonyNetworkDelegate != null |
| ? new TelephonyNetwork(telephonyNetworkDelegate) : null; |
| } |
| } |