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1   /*
2    * Copyright 2015 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty5.handler.codec.dns;
17  
18  import io.netty5.buffer.api.Buffer;
19  import io.netty5.util.internal.UnstableApi;
20  
21  /**
22   * Encodes a {@link DnsRecord} into binary representation.
23   *
24   * @see DatagramDnsQueryEncoder
25   */
26  @UnstableApi
27  public interface DnsRecordEncoder {
28  
29      DnsRecordEncoder DEFAULT = new DefaultDnsRecordEncoder();
30  
31      /**
32       * Encodes a {@link DnsQuestion}.
33       *
34       * @param out the output buffer where the encoded question will be written to
35       */
36      void encodeQuestion(DnsQuestion question, Buffer out) throws Exception;
37  
38      /**
39       * Encodes a {@link DnsRecord}.
40       *
41       * @param out the output buffer where the encoded record will be written to
42       */
43      void encodeRecord(DnsRecord record, Buffer out) throws Exception;
44  }