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 package org.apache.directory.server.kerberos.shared.io.encoder;
021
022
023 import org.apache.directory.server.kerberos.shared.messages.value.HostAddress;
024 import org.apache.directory.server.kerberos.shared.messages.value.HostAddresses;
025 import org.apache.directory.shared.asn1.der.DERInteger;
026 import org.apache.directory.shared.asn1.der.DEROctetString;
027 import org.apache.directory.shared.asn1.der.DERSequence;
028 import org.apache.directory.shared.asn1.der.DERTaggedObject;
029
030
031 /**
032 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
033 * @version $Rev: 587242 $, $Date: 2007-10-22 23:42:40 +0300 (Mon, 22 Oct 2007) $
034 */
035 public class HostAddressesEncoder
036 {
037 /**
038 * HostAddresses ::= SEQUENCE OF SEQUENCE {
039 * addr-type[0] INTEGER,
040 * address[1] OCTET STRING
041 * }
042 */
043 protected static DERSequence encodeSequence( HostAddresses hosts )
044 {
045 HostAddress[] addresses = hosts.getAddresses();
046 DERSequence sequence = new DERSequence();
047
048 for ( int ii = 0; ii < addresses.length; ii++ )
049 {
050 sequence.add( encode( addresses[ii] ) );
051 }
052
053 return sequence;
054 }
055
056
057 /**
058 * HostAddress ::= SEQUENCE {
059 * addr-type[0] INTEGER,
060 * address[1] OCTET STRING
061 * }
062 */
063 protected static DERSequence encode( HostAddress host )
064 {
065 DERSequence sequence = new DERSequence();
066
067 sequence.add( new DERTaggedObject( 0, DERInteger.valueOf( host.getAddrType().getOrdinal() ) ) );
068 sequence.add( new DERTaggedObject( 1, new DEROctetString( host.getAddress() ) ) );
069
070 return sequence;
071 }
072 }