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.art.cts.tlr_app.fixture;
18 
19 import android.content.ContentProvider;
20 import android.content.ContentValues;
21 import android.database.Cursor;
22 import android.net.Uri;
23 import android.os.Bundle;
24 
25 import java.util.concurrent.ThreadLocalRandom;
26 
27 public class ThreadLocalRandomProvider extends ContentProvider {
28 
29     private static final String METHOD_NEXT_RANDOM = "next_random";
30 
31     private static final String CALL_RESULT_NEXT_RANDOM = "random";
32 
33     @Override
onCreate()34     public boolean onCreate() {
35         return true;
36     }
37 
38     @Override
query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)39     public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
40             String sortOrder) {
41         // No impl.
42         return null;
43     }
44 
45     @Override
getType(Uri uri)46     public String getType(Uri uri) {
47         // No impl.
48         return null;
49     }
50 
51     @Override
insert(Uri uri, ContentValues values)52     public Uri insert(Uri uri, ContentValues values) {
53         // No impl.
54         return null;
55     }
56 
57     @Override
delete(Uri uri, String selection, String[] selectionArgs)58     public int delete(Uri uri, String selection, String[] selectionArgs) {
59         // No impl.
60         return 0;
61     }
62 
63     @Override
update(Uri uri, ContentValues values, String selection, String[] selectionArgs)64     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
65         // No impl.
66         return 0;
67     }
68 
69     @Override
call(String method, String arg, Bundle extras)70     public Bundle call(String method, String arg, Bundle extras) {
71         if (METHOD_NEXT_RANDOM.equals(method)) {
72             Bundle bundle = new Bundle();
73             bundle.putLong(CALL_RESULT_NEXT_RANDOM, ThreadLocalRandom.current().nextLong());
74             return bundle;
75         }
76         throw new IllegalArgumentException("Method " + method + " is not recognised");
77     }
78 }
79