content: /*
   * Copyright (C) 2016 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.internal.os;
  
  import android.os.Parcel;
  import android.os.ParcelFileDescriptor;
  import android.os.Parcelable;
  import android.os.storage.IStorageManager;
  import com.android.internal.util.Preconditions;
  
  /**
   * Parcelable class representing AppFuse mount.
   * This conveys the result for IStorageManager#openProxyFileDescriptor.
   * @see IStorageManager#openProxyFileDescriptor
   */
  public class AppFuseMount implements Parcelable {
      final public int mountPointId;
      final public ParcelFileDescriptor fd;
  
      /**
       * @param mountPointId Integer number for mount point that is unique in the lifetime of
       *     StorageManagerService.
       * @param fd File descriptor pointing /dev/fuse and tagged with the mount point.
       */
      public AppFuseMount(int mountPointId, ParcelFileDescriptor fd) {
          Preconditions.checkNotNull(fd);
          this.mountPointId = mountPointId;
          this.fd = fd;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeInt(this.mountPointId);
          dest.writeParcelable(fd, flags);
      }
  
      public static final Parcelable.Creator<AppFuseMount> CREATOR =
              new Parcelable.Creator<AppFuseMount>() {
          @Override
          public AppFuseMount createFromParcel(Parcel in) {
              return new AppFuseMount(in.readInt(), in.readParcelable(null));
          }
  
          @Override
          public AppFuseMount[] newArray(int size) {
              return new AppFuseMount[size];
          }
      };
  }
  