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   /*
    * Copyright 2020 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:
    *
    *   https://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.testsuite.svm.client;
  
  import io.netty.channel.nio.NioEventLoopGroup;
  import io.netty.channel.socket.nio.NioDatagramChannel;
  import io.netty.resolver.AddressResolver;
  import io.netty.resolver.dns.DnsAddressResolverGroup;
  import io.netty.resolver.dns.DnsServerAddressStreamProviders;
  import io.netty.util.concurrent.DefaultThreadFactory;
  
  import java.net.InetSocketAddress;
  
  /**
   * A client that uses netty-dns and gets compiled to a native image.
   */
  public final class DnsNativeClient {
      /**
       * Main entry point (not instantiable)
       */
      private DnsNativeClient() {
      }
  
      public static void main(String[] args) throws Exception {
          NioEventLoopGroup group = new NioEventLoopGroup(1, new DefaultThreadFactory("netty"));
  
          DnsAddressResolverGroup resolverGroup = new DnsAddressResolverGroup(NioDatagramChannel.class,
                  DnsServerAddressStreamProviders.platformDefault());
          AddressResolver<InetSocketAddress> resolver = resolverGroup.getResolver(group.next());
          System.out.println(resolver);
  
          resolver.close();
          group.shutdownGracefully().get();
      }
  }