Examples with Base64 org.thoughtcrime.securesms.util.Base64 used on opensource projects

Example 1 with Base64

use of org.thoughtcrime.securesms.util.Base64 in project Signal-Android by WhisperSystems.

the class StorageSyncHelper method findIdDifference.

/**
 * Given a list of all the local and remote keys you know about, this will return a result telling
 * you which keys are exclusively remote and which are exclusively local.
 *
 * @param remoteIds All remote keys available.
 * @param localIds All local keys available.
 *
 * @return An object describing which keys are exclusive to the remote data set and which keys are
 *         exclusive to the local data set.
 */
@NonNull
public static IdDifferenceResult findIdDifference(@NonNull Collection<StorageId> remoteIds, @NonNull Collection<StorageId> localIds) {
    Map<String, StorageId> remoteByRawId = Stream.of(remoteIds).collect(Collectors.toMap(id -> Base64.encodeBytes(id.getRaw()), id -> id));
    Map<String, StorageId> localByRawId = Stream.of(localIds).collect(Collectors.toMap(id -> Base64.encodeBytes(id.getRaw()), id -> id));
    boolean hasTypeMismatch = remoteByRawId.size() != remoteIds.size() || localByRawId.size() != localIds.size();
    Set<String> remoteOnlyRawIds = SetUtil.difference(remoteByRawId.keySet(), localByRawId.keySet());
    Set<String> localOnlyRawIds = SetUtil.difference(localByRawId.keySet(), remoteByRawId.keySet());
    Set<String> sharedRawIds = SetUtil.intersection(localByRawId.keySet(), remoteByRawId.keySet());
    for (String rawId : sharedRawIds) {
        StorageId remote = Objects.requireNonNull(remoteByRawId.get(rawId));
        StorageId local = Objects.requireNonNull(localByRawId.get(rawId));
        if (remote.getType() != local.getType()) {
            remoteOnlyRawIds.remove(rawId);
            localOnlyRawIds.remove(rawId);
            hasTypeMismatch = true;
            Log.w(TAG, "Remote type " + remote.getType() + " did not match local type " + local.getType() + "!");
        }
    }
    List<StorageId> remoteOnlyKeys = Stream.of(remoteOnlyRawIds).map(remoteByRawId::get).toList();
    List<StorageId> localOnlyKeys = Stream.of(localOnlyRawIds).map(localByRawId::get).toList();
    return new IdDifferenceResult(remoteOnlyKeys, localOnlyKeys, hasTypeMismatch);
}