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; 022 023 /** 024 * The Dynamic Host Configuration Protocol (DHCP) provides a framework for 025 * passing configuration information to hosts on a TCP/IP network. Configuration 026 * parameters and other control information are carried in tagged data items 027 * that are stored in the 'options' field of the DHCP message. The data items 028 * themselves are also called "options." 029 * 030 * This abstract base class is for options that carry an unsigned short value 031 * (16 bit). 032 * 033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 034 * @version $Rev: 551805 $, $Date: 2007-06-29 00:57:04 -0500 (Fr, 29 Jun 2007) $ 035 * 036 */ 037 public abstract class ByteOption extends DhcpOption { 038 /** 039 * The byte value (represented as a short because of the unsignedness). 040 */ 041 private short byteValue; 042 043 /* 044 * @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[]) 045 */ 046 public void setData(byte[] data) { 047 byteValue = (short) (data[0] & 0xff); 048 } 049 050 /* 051 * @see org.apache.directory.server.dhcp.options.DhcpOption#getData() 052 */ 053 public byte[] getData() { 054 return new byte[]{(byte) (byteValue & 0xff)}; 055 } 056 057 public short getByteValue() { 058 return byteValue; 059 } 060 061 public void setShortValue(short shortValue) { 062 this.byteValue = shortValue; 063 } 064 }