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 */ 020 021 package org.apache.directory.server.dhcp.options.dhcp; 022 023 024 import org.apache.directory.server.dhcp.messages.MessageType; 025 import org.apache.directory.server.dhcp.options.DhcpOption; 026 027 028 /** 029 * This option is used to convey the type of the DHCP message. The code 030 * for this option is 53, and its length is 1. Legal values for this 031 * option are: 032 * 033 * Value Message Type 034 * ----- ------------ 035 * 1 DHCPDISCOVER 036 * 2 DHCPOFFER 037 * 3 DHCPREQUEST 038 * 4 DHCPDECLINE 039 * 5 DHCPACK 040 * 6 DHCPNAK 041 * 7 DHCPRELEASE 042 * 8 DHCPINFORM 043 * 044 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 045 * @version $Rev: 638228 $, $Date: 2008-03-18 07:12:41 +0100 (Tue, 18 Mar 2008) $ 046 */ 047 public class DhcpMessageType extends DhcpOption 048 { 049 private MessageType type; 050 051 052 public DhcpMessageType() 053 { 054 } 055 056 057 public DhcpMessageType(MessageType type) 058 { 059 this.type = type; 060 } 061 062 063 /* 064 * @see org.apache.directory.server.dhcp.options.DhcpOption#getTag() 065 */ 066 public byte getTag() 067 { 068 return 53; 069 } 070 071 072 public void setData( byte[] messageType ) 073 { 074 type = MessageType.getTypeByCode( messageType[0] ); 075 } 076 077 078 public byte[] getData() 079 { 080 return new byte[] 081 { type.getCode() }; 082 } 083 084 085 public MessageType getType() 086 { 087 return type; 088 } 089 }