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   /*
    * Copyright 2019 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.resolver.dns.macos;
  
  import io.netty.channel.unix.NativeInetAddress;
  
  import java.net.InetSocketAddress;
  
  /**
   * Represent the {@code dns_resolver_t} struct.
   */
  final class DnsResolver {
  
      private final String domain;
      private final InetSocketAddress[] nameservers;
      private final int port;
      private final String[] searches;
      private final String options;
      private final int timeout;
      private final int searchOrder;
  
      DnsResolver(String domain, byte[][] nameservers, int port,
                  String[] searches, String options, int timeout, int searchOrder) {
          this.domain = domain;
          if (nameservers == null) {
              this.nameservers = new InetSocketAddress[0];
          } else {
              this.nameservers = new InetSocketAddress[nameservers.length];
              for (int i = 0; i < nameservers.length; i++) {
                  byte[] addr = nameservers[i];
                  this.nameservers[i] = NativeInetAddress.address(addr, 0, addr.length);
              }
          }
          this.port = port;
          this.searches = searches;
          this.options = options;
          this.timeout = timeout;
          this.searchOrder = searchOrder;
      }
  
      String domain() {
          return domain;
      }
  
      InetSocketAddress[] nameservers() {
          return nameservers;
      }
  
      int port() {
          return port;
      }
  
      String[] searches() {
          return searches;
      }
  
      String options() {
          return options;
      }
  
      int timeout() {
          return timeout;
      }
  
      int searchOrder() {
          return searchOrder;
      }
  }