/*
* Copyright 2017 The Netty Project
*
* The Netty Project licenses this file to you 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 io.netty.resolver.dns;
import io.netty.util.internal.UnstableApi;
/**
* Utility methods related to {@link DnsServerAddressStreamProvider}.
*/
@UnstableApi
public final class DnsServerAddressStreamProviders {
// TODO(scott): how is this done on Windows? This may require a JNI call to GetNetworkParams
// https://msdn.microsoft.com/en-us/library/aa365968(VS.85).aspx.
private static final DnsServerAddressStreamProvider DEFAULT_DNS_SERVER_ADDRESS_STREAM_PROVIDER =
UnixResolverDnsServerAddressStreamProvider.parseSilently();
private DnsServerAddressStreamProviders() {
}
/**
* A {@link DnsServerAddressStreamProvider} which inherits the DNS servers from your local host's configuration.
* <p>
* Note that only macOS and Linux are currently supported.
* @return A {@link DnsServerAddressStreamProvider} which inherits the DNS servers from your local host's
* configuration.
*/
public static DnsServerAddressStreamProvider platformDefault() {
return DEFAULT_DNS_SERVER_ADDRESS_STREAM_PROVIDER;
}
}