1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.ondevicepersonalization.services.data;
18 
19 import android.annotation.NonNull;
20 import android.content.ComponentName;
21 
22 import java.util.Objects;
23 
24 /** Database utilities */
25 public class DbUtils {
26     /** Returns the table name for a service */
getTableName( @onNull String prefix, @NonNull ComponentName owner, @NonNull String certDigest)27     public static String getTableName(
28             @NonNull String prefix, @NonNull ComponentName owner, @NonNull String certDigest) {
29         String ownerStr = owner.getPackageName() + "__" + owner.getShortClassName();
30         ownerStr = ownerStr.replace(".", "_");
31         return Objects.requireNonNull(prefix) + "_" + ownerStr + "_"
32                 + Objects.requireNonNull(certDigest);
33     }
34 
35     /** Maps a service to a unique string for database tables and filenames */
toTableValue(@onNull ComponentName owner)36     public static String toTableValue(@NonNull ComponentName owner) {
37         return owner.flattenToString();
38     }
39 
40     /** Parses the string representation of a service. */
fromTableValue(@onNull String tableValue)41     public static ComponentName fromTableValue(@NonNull String tableValue) {
42         return ComponentName.unflattenFromString(Objects.requireNonNull(tableValue));
43     }
44 
DbUtils()45     private DbUtils() {}
46 }
47