| /* |
| * Copyright (C) 2021 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 com.android.imsserviceentitlement; |
| |
| import static com.android.imsserviceentitlement.utils.Executors.getAsyncExecutor; |
| import static com.android.imsserviceentitlement.utils.Executors.getDirectExecutor; |
| |
| import android.util.Log; |
| |
| import androidx.annotation.MainThread; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.WorkerThread; |
| |
| import com.android.imsserviceentitlement.WfcActivationController.EntitlementResultCallback; |
| import com.android.imsserviceentitlement.entitlement.EntitlementResult; |
| |
| import com.google.common.util.concurrent.FutureCallback; |
| import com.google.common.util.concurrent.Futures; |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| /** Handles entitlement check from main thread. */ |
| public final class EntitlementUtils { |
| |
| public static final String LOG_TAG = "IMSSE-EntitlementUtils"; |
| |
| private static ListenableFuture<EntitlementResult> sCheckEntitlementFuture; |
| |
| private EntitlementUtils() {} |
| |
| /** |
| * Performs the entitlement status check, and passes the result via {@link |
| * EntitlementResultCallback}. |
| */ |
| @MainThread |
| public static void entitlementCheck( |
| ImsEntitlementApi activationApi, EntitlementResultCallback callback) { |
| sCheckEntitlementFuture = |
| Futures.submit(() -> getEntitlementStatus(activationApi), getAsyncExecutor()); |
| Futures.addCallback( |
| sCheckEntitlementFuture, |
| new FutureCallback<EntitlementResult>() { |
| @Override |
| public void onSuccess(EntitlementResult result) { |
| callback.onEntitlementResult(result); |
| sCheckEntitlementFuture = null; |
| } |
| |
| @Override |
| public void onFailure(Throwable t) { |
| Log.w(LOG_TAG, "get entitlement status failed.", t); |
| sCheckEntitlementFuture = null; |
| } |
| }, |
| getDirectExecutor()); |
| } |
| |
| /** Cancels the running task of entitlement status check if exist. */ |
| public static void cancelEntitlementCheck() { |
| if (sCheckEntitlementFuture != null) { |
| Log.i(LOG_TAG, "cancel entitlement status check."); |
| sCheckEntitlementFuture.cancel(true); |
| } |
| } |
| |
| /** |
| * Gets entitlement status via carrier-specific entitlement API over network; returns null on |
| * network falure or other unexpected failure from entitlement API. |
| */ |
| @WorkerThread |
| @Nullable |
| private static EntitlementResult getEntitlementStatus(ImsEntitlementApi activationApi) { |
| try { |
| return activationApi.checkEntitlementStatus(); |
| } catch (RuntimeException e) { |
| Log.e("WfcActivationActivity", "getEntitlementStatus failed.", e); |
| return null; |
| } |
| } |
| } |