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/*
* Copyright 2022 Google LLC
*
* 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.google.android.libraries.mobiledatadownload.internal.util;
import com.google.mobiledatadownload.DownloadConfigProto.DataFile;
import com.google.mobiledatadownload.DownloadConfigProto.DataFileGroup;
import com.google.mobiledatadownload.DownloadConfigProto.DeltaFile;
import com.google.mobiledatadownload.DownloadConfigProto.DownloadConditions;
import com.google.mobiledatadownload.internal.MetadataProto;
import com.google.mobiledatadownload.internal.MetadataProto.DataFileGroupInternal;
import com.google.protobuf.ExtensionRegistryLite;
import com.google.protobuf.InvalidProtocolBufferException;
/** The util class that does conversion between protos. */
public final class ProtoConversionUtil {
private ProtoConversionUtil() {}
/**
* Converts external configuration proto {@link DataFileGroup} into internal storage proto {@link
* DataFileGroupInternal}.
*/
// TODO(b/176103639): Use automated proto converter instead
public static DataFileGroupInternal convert(DataFileGroup group)
throws InvalidProtocolBufferException {
// Cannot use generated registry here, because it may cause NPE to clients.
// For more detail, see b/140135059.
return DataFileGroupInternal.parseFrom(
group.toByteArray(), ExtensionRegistryLite.getEmptyRegistry());
}
public static DataFileGroup reverse(DataFileGroupInternal group)
throws InvalidProtocolBufferException {
// Cannot use generated registry here, because it may cause NPE to clients.
// For more detail, see b/140135059.
return DataFileGroup.parseFrom(group.toByteArray(), ExtensionRegistryLite.getEmptyRegistry());
}
/**
* Converts external proto {@link DownloadConditions} into internal proto {@link
* MetadataProto.DownloadConditions}.
*/
// TODO(b/176103639): Use automated proto converter instead
public static MetadataProto.DownloadConditions convert(DownloadConditions downloadConditions)
throws InvalidProtocolBufferException {
// Cannot use generated registry here, because it may cause NPE to clients.
// For more detail, see b/140135059.
return MetadataProto.DownloadConditions.parseFrom(
downloadConditions.toByteArray(), ExtensionRegistryLite.getEmptyRegistry());
}
/**
* Converts external configuration proto {@link DataFile} to internal storage proto {@link
* MetadataProto.DataFile}.
*/
// TODO(b/176103639): Use automated proto converter instead
// LINT.IfChange(data_file_convert)
public static MetadataProto.DataFile convertDataFile(DataFile dataFile) {
// incompatible argument for parameter value of setChecksumType.
// incompatible argument for parameter value of setAndroidSharingType.
// incompatible argument for parameter value of setAndroidSharingChecksumType.
@SuppressWarnings("nullness:argument.type.incompatible")
MetadataProto.DataFile.Builder dataFileBuilder =
MetadataProto.DataFile.newBuilder()
.setFileId(dataFile.getFileId())
.setUrlToDownload(dataFile.getUrlToDownload())
.setByteSize(dataFile.getByteSize())
.setChecksumType(
MetadataProto.DataFile.ChecksumType.forNumber(
dataFile.getChecksumType().getNumber()))
.setChecksum(dataFile.getChecksum())
.setDownloadedFileChecksum(dataFile.getDownloadedFileChecksum())
.setDownloadedFileByteSize(dataFile.getDownloadedFileByteSize())
.setAndroidSharingType(
MetadataProto.DataFile.AndroidSharingType.forNumber(
dataFile.getAndroidSharingType().getNumber()))
.setAndroidSharingChecksumType(
MetadataProto.DataFile.AndroidSharingChecksumType.forNumber(
dataFile.getAndroidSharingChecksumType().getNumber()))
.setAndroidSharingChecksum(dataFile.getAndroidSharingChecksum())
.setRelativeFilePath(dataFile.getRelativeFilePath());
if (dataFile.hasCustomMetadata()) {
dataFileBuilder.setCustomMetadata(dataFile.getCustomMetadata());
}
if (dataFile.hasDownloadTransforms()) {
dataFileBuilder.setDownloadTransforms(dataFile.getDownloadTransforms());
}
if (dataFile.hasReadTransforms()) {
dataFileBuilder.setReadTransforms(dataFile.getReadTransforms());
}
for (DeltaFile deltaFile : dataFile.getDeltaFileList()) {
dataFileBuilder.addDeltaFile(convertDeltaFile(deltaFile));
}
return dataFileBuilder.build();
}
// LINT.ThenChange(
//
// <internal>,
//
// <internal>)
/**
* Converts external configuration proto {@link DeltaFile} to internal storage proto {@link
* DeltaFile}.
*/
// TODO(b/176103639): Use automated proto converter instead
// LINT.IfChange(delta_file_convert)
// incompatible argument for parameter value of setDiffDecoder.
@SuppressWarnings("nullness:argument.type.incompatible")
public static MetadataProto.DeltaFile convertDeltaFile(DeltaFile deltaFile) {
return MetadataProto.DeltaFile.newBuilder()
.setUrlToDownload(deltaFile.getUrlToDownload())
.setByteSize(deltaFile.getByteSize())
.setChecksum(deltaFile.getChecksum())
.setDiffDecoder(
MetadataProto.DeltaFile.DiffDecoder.forNumber(deltaFile.getDiffDecoder().getNumber()))
.setBaseFile(
MetadataProto.BaseFile.newBuilder()
.setChecksum(deltaFile.getBaseFile().getChecksum())
.build())
.build();
}
// LINT.ThenChange(
//
// <internal>,
//
// <internal>)
}
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