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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;
import android.content.Context;
import android.text.TextUtils;
import android.util.Log;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.mobiledatadownload.DownloadConfigProto.DataFile;
import com.google.mobiledatadownload.DownloadConfigProto.DataFile.ChecksumType;
import com.google.mobiledatadownload.DownloadConfigProto.DataFileGroup;
import com.google.mobiledatadownload.DownloadConfigProto.DownloadConditions;
import com.google.mobiledatadownload.DownloadConfigProto.DownloadConditions.DeviceNetworkPolicy;
/** Test FileGroup Populator. */
public class TestFileGroupPopulator implements FileGroupPopulator {
private static final String TAG = "MDD TestFileGroupPopulator";
static final String FILE_GROUP_NAME = "test-group";
static final String FILE_ID = "test-file-id";
static final int FILE_SIZE = 554;
static final String FILE_CHECKSUM = "a1cba9d87b1440f41ce9e7da38c43e1f6bd7d5df";
static final String FILE_URL = "https://www.gstatic.com/suggest-dev/odws1_empty.jar";
private final Context context;
public TestFileGroupPopulator(Context context) {
this.context = context;
}
@Override
public ListenableFuture<Void> refreshFileGroups(MobileDataDownload mobileDataDownload) {
Log.d(TAG, "Adding file groups " + FILE_GROUP_NAME);
DataFileGroup dataFileGroup =
createDataFileGroup(
FILE_GROUP_NAME,
context.getPackageName(),
new String[] {FILE_ID},
new int[] {FILE_SIZE},
new String[] {FILE_CHECKSUM},
new String[] {FILE_URL},
DeviceNetworkPolicy.DOWNLOAD_ON_ANY_NETWORK);
ListenableFuture<Boolean> addFileGroupFuture =
mobileDataDownload.addFileGroup(
AddFileGroupRequest.newBuilder().setDataFileGroup(dataFileGroup).build());
return Futures.transform(
addFileGroupFuture,
result -> {
if (result.booleanValue()) {
Log.d(TAG, "Added file groups " + dataFileGroup.getGroupName());
} else {
Log.d(TAG, "Failed to add file group " + dataFileGroup.getGroupName());
}
return null;
},
MoreExecutors.directExecutor());
}
// A helper function to create a DataFilegroup.
static DataFileGroup createDataFileGroup(
String groupName,
String ownerPackage,
String[] fileId,
int[] byteSize,
String[] checksum,
String[] url,
DeviceNetworkPolicy deviceNetworkPolicy) {
if (fileId.length != byteSize.length
|| fileId.length != checksum.length
|| fileId.length != url.length) {
throw new IllegalArgumentException();
}
DataFileGroup.Builder dataFileGroupBuilder =
DataFileGroup.newBuilder()
.setGroupName(groupName)
.setOwnerPackage(ownerPackage)
.setDownloadConditions(
DownloadConditions.newBuilder().setDeviceNetworkPolicy(deviceNetworkPolicy));
for (int i = 0; i < fileId.length; ++i) {
DataFile.Builder fileBuilder =
DataFile.newBuilder()
.setFileId(fileId[i])
.setByteSize(byteSize[i])
.setChecksum(checksum[i])
.setUrlToDownload(url[i]);
if (checksum[i].isEmpty()) {
fileBuilder.setChecksumType(ChecksumType.NONE);
}
dataFileGroupBuilder.addFile(fileBuilder.build());
}
return dataFileGroupBuilder.build();
}
// Allows to configure android-shared and non-android-shared files.
static DataFileGroup createDataFileGroup(
String groupName,
String ownerPackage,
String[] fileId,
int[] byteSize,
String[] checksum,
String[] androidSharingChecksum,
String[] url,
DeviceNetworkPolicy deviceNetworkPolicy) {
if (fileId.length != byteSize.length
|| fileId.length != checksum.length
|| fileId.length != url.length) {
throw new IllegalArgumentException();
}
DataFileGroup.Builder dataFileGroupBuilder =
DataFileGroup.newBuilder()
.setGroupName(groupName)
.setOwnerPackage(ownerPackage)
.setDownloadConditions(
DownloadConditions.newBuilder().setDeviceNetworkPolicy(deviceNetworkPolicy));
for (int i = 0; i < fileId.length; ++i) {
DataFile.Builder fileBuilder =
DataFile.newBuilder()
.setFileId(fileId[i])
.setByteSize(byteSize[i])
.setChecksum(checksum[i])
.setUrlToDownload(url[i]);
if (checksum[i].isEmpty()) {
fileBuilder.setChecksumType(ChecksumType.NONE);
}
if (!TextUtils.isEmpty(androidSharingChecksum[i])) {
fileBuilder
.setAndroidSharingType(DataFile.AndroidSharingType.ANDROID_BLOB_WHEN_AVAILABLE)
.setAndroidSharingChecksumType(DataFile.AndroidSharingChecksumType.SHA2_256)
.setAndroidSharingChecksum(androidSharingChecksum[i]);
}
dataFileGroupBuilder.addFile(fileBuilder.build());
}
return dataFileGroupBuilder.build();
}
}
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