1 /*
2  * Copyright (C) 2015 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.cts.apicoverage;
18 
19 import java.util.ArrayList;
20 import java.util.List;
21 
22 /**
23  * Util class to support package filtering logic
24  * <p>
25  * A list of package prefixes can be added to the filter, and {{@link #accept(String)} method will
26  * decide if the provided package name matches any of the prefixes.
27  */
28 public class PackageFilter {
29 
30     private List<String> mFilters = new ArrayList<>();
31 
32     /**
33      * Check if a particular package name matches any of the package prefixes configured in filter.
34      * If no filters are configured, any package names will be accepted
35      * @param packageName
36      * @return
37      */
accept(String packageName)38     public boolean accept(String packageName) {
39         if (mFilters.isEmpty()) {
40             return true;
41         }
42         for (String filter : mFilters) {
43             if (packageName.startsWith(filter)) {
44                 return true;
45             }
46         }
47         return false;
48     }
49 
addPrefixToFilter(String prefix)50     public void addPrefixToFilter(String prefix) {
51         mFilters.add(prefix);
52     }
53 
clearFilter()54     public void clearFilter() {
55         mFilters.clear();
56     }
57 }
58