1 /*
2  * Copyright (C) 2023 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 android.app.admin;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 import android.annotation.SystemApi;
22 import android.annotation.TestApi;
23 import android.os.Parcel;
24 
25 /**
26  * Class used to identify a default value for the authority of the {@link EnforcingAdmin} setting
27  * a policy, meaning it is not one of the other known subclasses of {@link Authority}, this would be
28  * the case for example for a system component setting the policy.
29  *
30  * @hide
31  */
32 @SystemApi
33 public final class UnknownAuthority extends Authority {
34 
35     /**
36      * Object representing an unknown authority.
37      *
38      * @hide
39      */
40     @TestApi
41     @NonNull
42     public static final UnknownAuthority UNKNOWN_AUTHORITY = new UnknownAuthority();
43 
44     /**
45      * Creates an authority that represents an admin that can set a policy but
46      * doesn't have a known authority (e.g. a system components).
47      */
UnknownAuthority()48     public UnknownAuthority() {}
49 
50     @Override
toString()51     public String toString() {
52         return "DefaultAuthority {}";
53     }
54 
55     @Override
equals(@ullable Object o)56     public boolean equals(@Nullable Object o) {
57         if (this == o) return true;
58         return o != null && getClass() == o.getClass();
59     }
60 
61     @Override
hashCode()62     public int hashCode() {
63         return 0;
64     }
65 
66     @Override
describeContents()67     public int describeContents() {
68         return 0;
69     }
70 
71     @Override
writeToParcel(@onNull Parcel dest, int flags)72     public void writeToParcel(@NonNull Parcel dest, int flags) {}
73 
74     @NonNull
75     public static final Creator<UnknownAuthority> CREATOR =
76             new Creator<UnknownAuthority>() {
77                 @Override
78                 public UnknownAuthority createFromParcel(Parcel source) {
79                     return UNKNOWN_AUTHORITY;
80                 }
81 
82                 @Override
83                 public UnknownAuthority[] newArray(int size) {
84                     return new UnknownAuthority[size];
85                 }
86             };
87 }
88