1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20
21 package org.apache.directory.server.dns.messages;
22
23
24 import org.apache.directory.server.dns.util.EnumConverter;
25 import org.apache.directory.server.dns.util.ReverseEnumMap;
26
27
28 /**
29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
30 */
31 public enum ResponseCode implements EnumConverter<Byte>
32 {
33 /** No error condition. */
34 NO_ERROR(0),
35
36 /** The name server was unable to interpret the query. */
37 FORMAT_ERROR(1),
38
39 /** The name server was unable to process this query due to a problem with the name server. */
40 SERVER_FAILURE(2),
41
42 /** The domain name referenced in the query does not exist. */
43 NAME_ERROR(3),
44
45 /** The name server does not support the requested kind of query. */
46 NOT_IMPLEMENTED(4),
47
48 /** The name server refuses to perform the specified operation for policy reasons. */
49 REFUSED(5);
50
51 private static ReverseEnumMap<Byte, ResponseCode> map = new ReverseEnumMap<>( ResponseCode.class );
52
53 private final byte value;
54
55
56 ResponseCode( int value )
57 {
58 this.value = ( byte ) value;
59 }
60
61
62 public Byte convert()
63 {
64 return this.value;
65 }
66
67
68 /**
69 * Converts an ordinal value into a {@link ResponseCode}.
70 *
71 * @param value
72 * @return The {@link ResponseCode}.
73 */
74 public static ResponseCode convert( byte value )
75 {
76 return map.get( value );
77 }
78 }