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.server.devicepolicy;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 import android.app.admin.BooleanPolicyValue;
22 import android.util.Log;
23 
24 import com.android.modules.utils.TypedXmlPullParser;
25 import com.android.modules.utils.TypedXmlSerializer;
26 
27 import org.xmlpull.v1.XmlPullParserException;
28 
29 import java.io.IOException;
30 import java.util.Objects;
31 
32 final class BooleanPolicySerializer extends PolicySerializer<Boolean> {
33 
34     private static final String ATTR_VALUE = "value";
35 
36     private static final String TAG = "BooleanPolicySerializer";
37 
38     @Override
saveToXml(TypedXmlSerializer serializer, @NonNull Boolean value)39     void saveToXml(TypedXmlSerializer serializer, @NonNull Boolean value) throws IOException {
40         Objects.requireNonNull(value);
41         serializer.attributeBoolean(/* namespace= */ null, ATTR_VALUE, value);
42     }
43 
44     @Nullable
45     @Override
readFromXml(TypedXmlPullParser parser)46     BooleanPolicyValue readFromXml(TypedXmlPullParser parser) {
47         try {
48             return new BooleanPolicyValue(
49                     parser.getAttributeBoolean(/* namespace= */ null, ATTR_VALUE));
50         } catch (XmlPullParserException e) {
51             Log.e(TAG, "Error parsing Boolean policy value", e);
52             return null;
53         }
54     }
55 }
56