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 android.telephony.mbms;
  
  import android.annotation.SystemApi;
  import android.annotation.TestApi;
  import android.content.ContentResolver;
  import android.net.Uri;
  import android.os.Parcel;
  import android.os.Parcelable;
  import android.telephony.mbms.vendor.VendorUtils;
  
  /**
   * Wrapper for a pair of {@link Uri}s that describe a temp file used by the middleware to
   * download files via cell-broadcast.
   * @hide
   */
  @SystemApi
  @TestApi
  public final class UriPathPair implements Parcelable {
      private final Uri mFilePathUri;
      private final Uri mContentUri;
  
      /** @hide */
      public UriPathPair(Uri fileUri, Uri contentUri) {
          if (fileUri == null || !ContentResolver.SCHEME_FILE.equals(fileUri.getScheme())) {
              throw new IllegalArgumentException("File URI must have file scheme");
          }
          if (contentUri == null || !ContentResolver.SCHEME_CONTENT.equals(contentUri.getScheme())) {
              throw new IllegalArgumentException("Content URI must have content scheme");
          }
  
          mFilePathUri = fileUri;
          mContentUri = contentUri;
      }
  
      /** @hide */
      private UriPathPair(Parcel in) {
          mFilePathUri = in.readParcelable(Uri.class.getClassLoader());
          mContentUri = in.readParcelable(Uri.class.getClassLoader());
      }
  
      public static final @android.annotation.NonNull Creator<UriPathPair> CREATOR = new Creator<UriPathPair>() {
          @Override
          public UriPathPair createFromParcel(Parcel in) {
              return new UriPathPair(in);
          }
  
          @Override
          public UriPathPair[] newArray(int size) {
              return new UriPathPair[size];
          }
      };
  
      /**
       * Returns the file-path {@link Uri}. This has scheme {@code file} and points to the actual
       * location on disk where the temp file resides. Use this when sending {@link Uri}s back to the
       * app in the intents in {@link VendorUtils}.
       * @return A {@code file} {@link Uri}.
       */
      public Uri getFilePathUri() {
          return mFilePathUri;
      }
  
      /**
       * Returns the content {@link Uri} that may be used with
       * {@link ContentResolver#openFileDescriptor(Uri, String)} to obtain a
       * {@link android.os.ParcelFileDescriptor} to a temp file to write to. This {@link Uri} will
       * expire if the middleware process dies.
       * @return A {@code content} {@link Uri}
       */
      public Uri getContentUri() {
          return mContentUri;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeParcelable(mFilePathUri, flags);
          dest.writeParcelable(mContentUri, flags);
      }
  }
  