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.dhcp.options; 022 023 024import java.net.InetAddress; 025import java.net.UnknownHostException; 026 027import org.apache.directory.server.i18n.I18n; 028 029 030/** 031 * The Dynamic Host Configuration Protocol (DHCP) provides a framework 032 * for passing configuration information to hosts on a TCP/IP network. 033 * Configuration parameters and other control information are carried in 034 * tagged data items that are stored in the 'options' field of the DHCP 035 * message. The data items themselves are also called "options." 036 * 037 * This abstract base class is for options that carry a single IP address. 038 * 039 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 040 */ 041public abstract class AddressOption extends DhcpOption 042{ 043 private InetAddress address; 044 045 046 /* 047 * @see org.apache.directory.server.dhcp.options.DhcpOption#getData() 048 */ 049 @Override 050 public byte[] getData() 051 { 052 return address.getAddress(); 053 } 054 055 056 /* 057 * @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[]) 058 */ 059 @Override 060 public void setData( byte[] data ) 061 { 062 try 063 { 064 address = InetAddress.getByAddress( data ); 065 } 066 catch ( UnknownHostException e ) 067 { 068 throw new IllegalArgumentException( I18n.err( I18n.ERR_638 ), e ); 069 } 070 } 071 072 073 public InetAddress getAddress() 074 { 075 return address; 076 } 077 078 079 public void setAddress( InetAddress address ) 080 { 081 this.address = address; 082 } 083}