| /* |
| * 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.ondevicepersonalization.internal.util; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.os.Parcel; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Transfer a large list of byte[] objects across an IPC. Splits into |
| * multiple transactions if needed. |
| * |
| * @hide |
| */ |
| public final class ByteArrayParceledListSlice extends BaseOdpParceledListSlice<byte[]> { |
| @SuppressWarnings("unchecked") |
| @NonNull |
| public static final Creator<byte[]> BYTE_ARRAY_CREATOR = new Creator<byte[]>() { |
| public byte[] createFromParcel(Parcel in) { |
| byte[] arr = new byte[in.readInt()]; |
| in.readByteArray(arr); |
| return arr; |
| } |
| |
| public byte[][] newArray(int size) { |
| return new byte[size][]; |
| } |
| }; |
| |
| @SuppressWarnings("unchecked") |
| @Nullable |
| public static final ClassLoaderCreator<ByteArrayParceledListSlice> CREATOR = |
| new ClassLoaderCreator<ByteArrayParceledListSlice>() { |
| public ByteArrayParceledListSlice createFromParcel(Parcel in) { |
| return new ByteArrayParceledListSlice(in, null); |
| } |
| |
| @Override |
| public ByteArrayParceledListSlice createFromParcel(Parcel in, ClassLoader loader) { |
| return new ByteArrayParceledListSlice(in, loader); |
| } |
| |
| @Override |
| public ByteArrayParceledListSlice[] newArray(int size) { |
| return new ByteArrayParceledListSlice[size]; |
| } |
| }; |
| |
| public ByteArrayParceledListSlice(@Nullable List<byte[]> list) { |
| super(list); |
| } |
| |
| private ByteArrayParceledListSlice(@Nullable Parcel in, @Nullable ClassLoader loader) { |
| super(in, loader); |
| } |
| |
| /** |
| * Returns an empty list |
| */ |
| @Nullable |
| public static ByteArrayParceledListSlice emptyList() { |
| return new ByteArrayParceledListSlice(Collections.emptyList()); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeElement(@Nullable byte[] parcelable, @Nullable Parcel reply, int callFlags) { |
| reply.writeInt(parcelable.length); |
| reply.writeByteArray(parcelable); |
| } |
| |
| @Override |
| @NonNull |
| public List<byte[]> getList() { |
| return super.getList(); |
| } |
| |
| @Override |
| public void writeParcelableCreator(@Nullable byte[] parcelable, @Nullable Parcel dest) { |
| return; |
| } |
| |
| @Override |
| @Nullable |
| public Creator<?> readParcelableCreator(@Nullable Parcel from, @Nullable ClassLoader loader) { |
| return BYTE_ARRAY_CREATOR; |
| } |
| } |