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.util.internal.StringUtil;
19 import io.netty5.util.internal.UnstableApi;
20
21 /**
22 * The default {@link DnsQuestion} implementation.
23 */
24 @UnstableApi
25 public class DefaultDnsQuestion extends AbstractDnsRecord implements DnsQuestion {
26
27 /**
28 * Creates a new {@link #CLASS_IN IN-class} question.
29 *
30 * @param name the domain name of the DNS question
31 * @param type the type of the DNS question
32 */
33 public DefaultDnsQuestion(String name, DnsRecordType type) {
34 super(name, type, 0);
35 }
36
37 /**
38 * Creates a new question.
39 *
40 * @param name the domain name of the DNS question
41 * @param type the type of the DNS question
42 * @param dnsClass the class of the record, usually one of the following:
43 * <ul>
44 * <li>{@link #CLASS_IN}</li>
45 * <li>{@link #CLASS_CSNET}</li>
46 * <li>{@link #CLASS_CHAOS}</li>
47 * <li>{@link #CLASS_HESIOD}</li>
48 * <li>{@link #CLASS_NONE}</li>
49 * <li>{@link #CLASS_ANY}</li>
50 * </ul>
51 */
52 public DefaultDnsQuestion(String name, DnsRecordType type, int dnsClass) {
53 super(name, type, dnsClass, 0);
54 }
55
56 @Override
57 public String toString() {
58 StringBuilder buf = new StringBuilder(64);
59
60 buf.append(StringUtil.simpleClassName(this))
61 .append('(')
62 .append(name())
63 .append(' ');
64
65 DnsMessageUtil.appendRecordClass(buf, dnsClass())
66 .append(' ')
67 .append(type().name())
68 .append(')');
69
70 return buf.toString();
71 }
72
73 @Override
74 public DnsQuestion copy() {
75 return this;
76 }
77 }