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.IntegerPolicyValue; 22 import android.app.admin.PolicyKey; 23 import android.util.Log; 24 25 import com.android.modules.utils.TypedXmlPullParser; 26 import com.android.modules.utils.TypedXmlSerializer; 27 28 import org.xmlpull.v1.XmlPullParserException; 29 30 import java.io.IOException; 31 import java.util.Objects; 32 33 final class IntegerPolicySerializer extends PolicySerializer<Integer> { 34 35 private static final String TAG = "IntegerPolicySerializer"; 36 37 private static final String ATTR_VALUE = "value"; 38 39 @Override saveToXml(PolicyKey policyKey, TypedXmlSerializer serializer, @NonNull Integer value)40 void saveToXml(PolicyKey policyKey, TypedXmlSerializer serializer, 41 @NonNull Integer value) throws IOException { 42 Objects.requireNonNull(value); 43 serializer.attributeInt(/* namespace= */ null, ATTR_VALUE, value); 44 } 45 46 @Nullable 47 @Override readFromXml(TypedXmlPullParser parser)48 IntegerPolicyValue readFromXml(TypedXmlPullParser parser) { 49 try { 50 return new IntegerPolicyValue( 51 parser.getAttributeInt(/* namespace= */ null, ATTR_VALUE)); 52 } catch (XmlPullParserException e) { 53 Log.e(TAG, "Error parsing Integer policy value", e); 54 return null; 55 } 56 } 57 } 58