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.internal.util.test;
18 
19 import java.io.File;
20 
21 public class FsUtil {
22 
23     /**
24      * Deletes all files under a given directory. Deliberately ignores errors, on the assumption
25      * that test cleanup is only supposed to be best-effort.
26      *
27      * @param dir directory to clear its contents
28      */
deleteContents(File dir)29     public static void deleteContents(File dir) {
30         File[] files = dir.listFiles();
31         if (files != null) {
32             for (File file : files) {
33                 if (file.isDirectory()) {
34                     deleteContents(file);
35                 }
36                 file.delete();
37             }
38         }
39     }
40 }
41