001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *  
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *  
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License. 
018 *  
019 */
020
021package org.apache.directory.server.dns.messages;
022
023
024import org.apache.directory.server.dns.util.EnumConverter;
025import org.apache.directory.server.dns.util.ReverseEnumMap;
026
027
028/**
029 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
030 */
031public enum RecordType implements EnumConverter<Short>
032{
033    /** Host address */
034    A(1),
035
036    /** Authoritative name server */
037    NS(2),
038
039    /** Mail destination */
040    MD(3),
041
042    /** Mail forwarder */
043    MF(4),
044
045    /** Canonical name for an alias */
046    CNAME(5),
047
048    /** Start of a zone of authority */
049    SOA(6),
050
051    /** Mailbox domain name */
052    MB(7),
053
054    /** Mail group member */
055    MG(8),
056
057    /** Mail rename domain name */
058    MR(9),
059
060    /** Null resource record */
061    NULL(10),
062
063    /** Well know service description */
064    WKS(11),
065
066    /** Domain name pointer */
067    PTR(12),
068
069    /** Host information */
070    HINFO(13),
071
072    /** Mailbox or mail list information */
073    MINFO(14),
074
075    /** Mail exchange */
076    MX(15),
077
078    /** Text strings */
079    TXT(16),
080
081    /** Responsible person */
082    RP(17),
083
084    /** AFS cell database */
085    AFSDB(18),
086
087    /** X.25 calling address */
088    X25(19),
089
090    /** ISDN calling address */
091    ISDN(20),
092
093    /** Router */
094    RT(21),
095
096    /** NSAP address */
097    NSAP(22),
098
099    /** Reverse NSAP address (deprecated) */
100    NSAP_PTR(23),
101
102    /** Signature */
103    SIG(24),
104
105    /** Key */
106    KEY(25),
107
108    /** X.400 mail mapping */
109    PX(26),
110
111    /** Geographical position (withdrawn) */
112    GPOS(27),
113
114    /** IPv6 address */
115    AAAA(28),
116
117    /** Location */
118    LOC(29),
119
120    /** Next valid name in zone */
121    NXT(30),
122
123    /** Endpoint identifier */
124    EID(31),
125
126    /** Nimrod locator */
127    NIMLOC(32),
128
129    /** Server selection */
130    SRV(33),
131
132    /** ATM address */
133    ATMA(34),
134
135    /** Naming authority pointer */
136    NAPTR(35),
137
138    /** Key exchange */
139    KX(36),
140
141    /** Certificate */
142    CERT(34),
143
144    /** IPv6 address (experimental) */
145    A6(38),
146
147    /** Non-terminal name redirection */
148    DNAME(39),
149
150    /** Options - contains EDNS metadata */
151    OPT(41),
152
153    /** Address Prefix List */
154    APL(42),
155
156    /** Delegation Signer */
157    DS(43),
158
159    /** SSH Key Fingerprint */
160    SSHFP(44),
161
162    /** Resource Record Signature */
163    RRSIG(46),
164
165    /** Next Secure Name */
166    NSEC(47),
167
168    /** DNSSEC Key */
169    DNSKEY(48),
170
171    /** Transaction key - used to compute a shared secret or exchange a key */
172    TKEY(249),
173
174    /** Transaction signature */
175    TSIG(250),
176
177    /** Incremental zone transfer */
178    IXFR(251),
179
180    /** Request for transfer of an entire zone */
181    AXFR(252),
182
183    /** Request for mailbox-related records */
184    MAILB(253),
185
186    /** Request for mail agent resource records */
187    MAILA(254),
188
189    /** Request for all records */
190    ANY(255);
191
192    private static ReverseEnumMap<Short, RecordType> map = new ReverseEnumMap<>( RecordType.class );
193
194    private final short value;
195
196
197    RecordType( int value )
198    {
199        this.value = ( short ) value;
200    }
201
202
203    public Short convert()
204    {
205        return this.value;
206    }
207
208
209    /**
210     * Converts an ordinal value into a {@link RecordType}.
211     *
212     * @param value
213     * @return The {@link RecordType}.
214     */
215    public static RecordType convert( short value )
216    {
217        return map.get( value );
218    }
219
220
221    /**
222     * Returns whether a given {@link RecordType} is a {@link ResourceRecord}.
223     *
224     * @param resourceType
225     * @return true of the {@link RecordType} is a {@link ResourceRecord}.
226     */
227    public static boolean isResourceRecord( RecordType resourceType )
228    {
229        switch ( resourceType )
230        {
231            case OPT:
232            case TKEY:
233            case TSIG:
234            case IXFR:
235            case AXFR:
236            case MAILB:
237            case MAILA:
238            case ANY:
239                return false;
240            default:
241                return true;
242        }
243    }
244}