1 /*
2  * Copyright (C) 2022 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.server.adservices.consent;
18 
19 import android.annotation.NonNull;
20 
21 import com.android.internal.annotations.VisibleForTesting;
22 
23 import java.io.IOException;
24 import java.nio.file.Files;
25 import java.nio.file.Path;
26 import java.nio.file.Paths;
27 import java.util.Objects;
28 
29 class ConsentDatastoreLocationHelper {
30     private static final String CONSENT_DIR = "consent";
31 
32     /** Get the consent data store location, and initialize the path if not exist. */
33     @VisibleForTesting
34     @NonNull
getConsentDataStoreDir(@onNull String baseDir, int userIdentifier)35     static String getConsentDataStoreDir(@NonNull String baseDir, int userIdentifier) {
36         Objects.requireNonNull(baseDir, "Base dir must be provided.");
37         return baseDir + "/" + userIdentifier + "/" + CONSENT_DIR;
38     }
39 
getConsentDataStoreDirAndCreateDir(@onNull String baseDir, int userIdentifier)40     static String getConsentDataStoreDirAndCreateDir(@NonNull String baseDir, int userIdentifier)
41             throws IOException {
42         String consentDataStoreDir = getConsentDataStoreDir(baseDir, userIdentifier);
43         final Path packageDir = Paths.get(consentDataStoreDir);
44         if (!Files.exists(packageDir)) {
45             Files.createDirectories(packageDir);
46         }
47         return consentDataStoreDir;
48     }
49 }
50