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 22:42:40 +0200 (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 }