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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.net.shared;
import static android.net.shared.ParcelableUtil.fromParcelableArray;
import static android.net.shared.ParcelableUtil.toParcelableArray;
import android.net.PrivateDnsConfigParcel;
import android.text.TextUtils;
import java.net.InetAddress;
import java.util.Arrays;
/** @hide */
public class PrivateDnsConfig {
public final boolean useTls;
public final String hostname;
public final InetAddress[] ips;
public PrivateDnsConfig() {
this(false);
}
public PrivateDnsConfig(boolean useTls) {
this.useTls = useTls;
this.hostname = "";
this.ips = new InetAddress[0];
}
public PrivateDnsConfig(String hostname, InetAddress[] ips) {
this.useTls = !TextUtils.isEmpty(hostname);
this.hostname = useTls ? hostname : "";
this.ips = (ips != null) ? ips : new InetAddress[0];
}
public PrivateDnsConfig(PrivateDnsConfig cfg) {
useTls = cfg.useTls;
hostname = cfg.hostname;
ips = cfg.ips;
}
/**
* Indicates whether this is a strict mode private DNS configuration.
*/
public boolean inStrictMode() {
return useTls && !TextUtils.isEmpty(hostname);
}
@Override
public String toString() {
return PrivateDnsConfig.class.getSimpleName()
+ "{" + useTls + ":" + hostname + "/" + Arrays.toString(ips) + "}";
}
/**
* Create a stable AIDL-compatible parcel from the current instance.
*/
public PrivateDnsConfigParcel toParcel() {
final PrivateDnsConfigParcel parcel = new PrivateDnsConfigParcel();
parcel.hostname = hostname;
parcel.ips = toParcelableArray(
Arrays.asList(ips), IpConfigurationParcelableUtil::parcelAddress, String.class);
return parcel;
}
/**
* Build a configuration from a stable AIDL-compatible parcel.
*/
public static PrivateDnsConfig fromParcel(PrivateDnsConfigParcel parcel) {
InetAddress[] ips = new InetAddress[parcel.ips.length];
ips = fromParcelableArray(parcel.ips, IpConfigurationParcelableUtil::unparcelAddress)
.toArray(ips);
return new PrivateDnsConfig(parcel.hostname, ips);
}
}
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