content: /*
   * Copyright (C) 2017 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.server.backup.utils;
  
  import static com.android.server.backup.BackupManagerService.DEBUG;
  import static com.android.server.backup.BackupManagerService.TAG;
  
  import android.app.backup.BackupProgress;
  import android.app.backup.IBackupObserver;
  import android.os.RemoteException;
  import android.util.Slog;
  
  /**
   * Utility methods to communicate with BackupObserver.
   */
  public class BackupObserverUtils {
      /**
       * Wraps {@link IBackupObserver#onUpdate(String, BackupProgress)} to handle RemoteException,
       * so that the caller doesn't have to.
       */
      public static void sendBackupOnUpdate(IBackupObserver observer, String packageName,
              BackupProgress progress) {
          if (observer != null) {
              try {
                  observer.onUpdate(packageName, progress);
              } catch (RemoteException e) {
                  if (DEBUG) {
                      Slog.w(TAG, "Backup observer went away: onUpdate");
                  }
              }
          }
      }
  
      /**
       * Wraps {@link IBackupObserver#onResult(String, int)} to handle RemoteException, so that the
       * caller doesn't have to.
       */
      public static void sendBackupOnPackageResult(IBackupObserver observer, String packageName,
              int status) {
          if (observer != null) {
              try {
                  observer.onResult(packageName, status);
              } catch (RemoteException e) {
                  if (DEBUG) {
                      Slog.w(TAG, "Backup observer went away: onResult");
                  }
              }
          }
      }
  
      /**
       * Wraps {@link IBackupObserver#backupFinished(int)} to handle RemoteException, so that the
       * caller doesn't have to.
       */
      public static void sendBackupFinished(IBackupObserver observer, int status) {
          if (observer != null) {
              try {
                  observer.backupFinished(status);
              } catch (RemoteException e) {
                  if (DEBUG) {
                      Slog.w(TAG, "Backup observer went away: backupFinished");
                  }
              }
          }
      }
  }
  