| /* |
| * Copyright (C) 2018 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.testing.shadows; |
| |
| import android.app.backup.BackupDataOutput; |
| |
| import org.robolectric.annotation.Implementation; |
| import org.robolectric.annotation.Implements; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.FileDescriptor; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectOutputStream; |
| |
| /** |
| * Shadow for {@link BackupDataOutput}. Format written does NOT match implementation. To read data |
| * written with this shadow you should also declare shadow {@link ShadowBackupDataInput}. |
| */ |
| @Implements(BackupDataOutput.class) |
| public class ShadowBackupDataOutput { |
| private long mQuota; |
| private int mTransportFlags; |
| private ObjectOutputStream mOutput; |
| |
| @Implementation |
| public void __constructor__(FileDescriptor fd, long quota, int transportFlags) { |
| try { |
| mOutput = new ObjectOutputStream(new FileOutputStream(fd)); |
| } catch (IOException e) { |
| throw new AssertionError(e); |
| } |
| mQuota = quota; |
| mTransportFlags = transportFlags; |
| } |
| |
| @Implementation |
| public long getQuota() { |
| return mQuota; |
| } |
| |
| @Implementation |
| public int getTransportFlags() { |
| return mTransportFlags; |
| } |
| |
| @Implementation |
| public int writeEntityHeader(String key, int dataSize) throws IOException { |
| final int size; |
| try (ByteArrayOutputStream byteStream = new ByteArrayOutputStream()) { |
| writeEntityHeader(new ObjectOutputStream(byteStream), key, dataSize); |
| size = byteStream.size(); |
| } |
| writeEntityHeader(mOutput, key, dataSize); |
| return size; |
| } |
| |
| private void writeEntityHeader(ObjectOutputStream stream, String key, int dataSize) |
| throws IOException { |
| // Write the int first because readInt() throws EOFException, to know when stream ends |
| stream.writeInt(dataSize); |
| stream.writeUTF(key); |
| stream.flush(); |
| } |
| |
| @Implementation |
| public int writeEntityData(byte[] data, int size) throws IOException { |
| mOutput.write(data, 0, size); |
| mOutput.flush(); |
| return size; |
| } |
| } |