1 /*
2  * Copyright (C) 2021 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.net.module.util;
18 
19 /**
20  * Utilities for modules to use jni.
21  */
22 public final class JniUtil {
23     /**
24      * The method to find jni library accroding to the giving package name.
25      *
26      * The jni library name would be packageName + _jni.so. E.g.
27      * com_android_networkstack_tethering_util_jni for tethering,
28      * com_android_connectivity_util_jni for connectivity.
29      */
getJniLibraryName(final Package pkg)30     public static String getJniLibraryName(final Package pkg) {
31         final String libPrefix = pkg.getName().replaceAll("\\.", "_");
32 
33         return libPrefix + "_jni";
34     }
35 }
36