/*
    * Copyright 2015 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.handler.codec.dns;
  
  import io.netty.util.internal.UnstableApi;
  
  import static io.netty.util.internal.ObjectUtil.checkNotNull;
  
  /**
   * The default {@link DnsResponse} implementation.
   */
  @UnstableApi
  public class DefaultDnsResponse extends AbstractDnsMessage implements DnsResponse {
  
      private boolean authoritativeAnswer;
      private boolean truncated;
      private boolean recursionAvailable;
      private DnsResponseCode code;
  
      /**
       * Creates a new instance with the {@link DnsOpCode#QUERY} {@code opCode} and
       * the {@link DnsResponseCode#NOERROR} {@code RCODE}.
       *
       * @param id the {@code ID} of the DNS response
       */
      public DefaultDnsResponse(int id) {
          this(id, DnsOpCode.QUERY, DnsResponseCode.NOERROR);
      }
  
      /**
       * Creates a new instance with the {@link DnsResponseCode#NOERROR} {@code RCODE}.
       *
       * @param id the {@code ID} of the DNS response
       * @param opCode the {@code opCode} of the DNS response
       */
      public DefaultDnsResponse(int id, DnsOpCode opCode) {
          this(id, opCode, DnsResponseCode.NOERROR);
      }
  
      /**
       * Creates a new instance.
       *
       * @param id the {@code ID} of the DNS response
       * @param opCode the {@code opCode} of the DNS response
       * @param code the {@code RCODE} of the DNS response
       */
      public DefaultDnsResponse(int id, DnsOpCode opCode, DnsResponseCode code) {
          super(id, opCode);
          setCode(code);
      }
  
      @Override
      public boolean isAuthoritativeAnswer() {
          return authoritativeAnswer;
      }
  
      @Override
      public DnsResponse setAuthoritativeAnswer(boolean authoritativeAnswer) {
          this.authoritativeAnswer = authoritativeAnswer;
          return this;
      }
  
      @Override
      public boolean isTruncated() {
          return truncated;
      }
  
      @Override
      public DnsResponse setTruncated(boolean truncated) {
          this.truncated = truncated;
          return this;
      }
  
      @Override
      public boolean isRecursionAvailable() {
          return recursionAvailable;
      }
  
      @Override
      public DnsResponse setRecursionAvailable(boolean recursionAvailable) {
          this.recursionAvailable = recursionAvailable;
          return this;
      }
  
      @Override
      public DnsResponseCode code() {
         return code;
     }
 
     @Override
     public DnsResponse setCode(DnsResponseCode code) {
         this.code = checkNotNull(code, "code");
         return this;
     }
 
     @Override
     public DnsResponse setId(int id) {
         return (DnsResponse) super.setId(id);
     }
 
     @Override
     public DnsResponse setOpCode(DnsOpCode opCode) {
         return (DnsResponse) super.setOpCode(opCode);
     }
 
     @Override
     public DnsResponse setRecursionDesired(boolean recursionDesired) {
         return (DnsResponse) super.setRecursionDesired(recursionDesired);
     }
 
     @Override
     public DnsResponse setZ(int z) {
         return (DnsResponse) super.setZ(z);
     }
 
     @Override
     public DnsResponse setRecord(DnsSection section, DnsRecord record) {
         return (DnsResponse) super.setRecord(section, record);
     }
 
     @Override
     public DnsResponse addRecord(DnsSection section, DnsRecord record) {
         return (DnsResponse) super.addRecord(section, record);
     }
 
     @Override
     public DnsResponse addRecord(DnsSection section, int index, DnsRecord record) {
         return (DnsResponse) super.addRecord(section, index, record);
     }
 
     @Override
     public DnsResponse clear(DnsSection section) {
         return (DnsResponse) super.clear(section);
     }
 
     @Override
     public DnsResponse clear() {
         return (DnsResponse) super.clear();
     }
 
     @Override
     public DnsResponse touch() {
         return (DnsResponse) super.touch();
     }
 
     @Override
     public DnsResponse touch(Object hint) {
         return (DnsResponse) super.touch(hint);
     }
 
     @Override
     public DnsResponse retain() {
         return (DnsResponse) super.retain();
     }
 
     @Override
     public DnsResponse retain(int increment) {
         return (DnsResponse) super.retain(increment);
     }
 
     @Override
     public String toString() {
         return DnsMessageUtil.appendResponse(new StringBuilder(128), this).toString();
     }
 }