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 package org.apache.directory.server.kerberos.shared.io.encoder;
21
22
23 import org.apache.directory.server.kerberos.shared.messages.value.HostAddress;
24 import org.apache.directory.server.kerberos.shared.messages.value.HostAddresses;
25 import org.apache.directory.shared.asn1.der.DERInteger;
26 import org.apache.directory.shared.asn1.der.DEROctetString;
27 import org.apache.directory.shared.asn1.der.DERSequence;
28 import org.apache.directory.shared.asn1.der.DERTaggedObject;
29
30
31 /**
32 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33 * @version $Rev: 587242 $, $Date: 2007-10-22 22:42:40 +0200 (Mo, 22 Okt 2007) $
34 */
35 public class HostAddressesEncoder
36 {
37 /**
38 * HostAddresses ::= SEQUENCE OF SEQUENCE {
39 * addr-type[0] INTEGER,
40 * address[1] OCTET STRING
41 * }
42 */
43 protected static DERSequence encodeSequence( HostAddresses hosts )
44 {
45 HostAddress[] addresses = hosts.getAddresses();
46 DERSequence sequence = new DERSequence();
47
48 for ( int ii = 0; ii < addresses.length; ii++ )
49 {
50 sequence.add( encode( addresses[ii] ) );
51 }
52
53 return sequence;
54 }
55
56
57 /**
58 * HostAddress ::= SEQUENCE {
59 * addr-type[0] INTEGER,
60 * address[1] OCTET STRING
61 * }
62 */
63 protected static DERSequence encode( HostAddress host )
64 {
65 DERSequence sequence = new DERSequence();
66
67 sequence.add( new DERTaggedObject( 0, DERInteger.valueOf( host.getAddrType().getOrdinal() ) ) );
68 sequence.add( new DERTaggedObject( 1, new DEROctetString( host.getAddress() ) ) );
69
70 return sequence;
71 }
72 }