1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 21 package org.apache.directory.server.dhcp.options; 22 23 24 /** 25 * The Dynamic Host Configuration Protocol (DHCP) provides a framework for 26 * passing configuration information to hosts on a TCP/IP network. Configuration 27 * parameters and other control information are carried in tagged data items 28 * that are stored in the 'options' field of the DHCP message. The data items 29 * themselves are also called "options." 30 * 31 * This abstract base class is for options that carry an unsigned short value 32 * (16 bit). 33 * 34 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 35 * 36 */ 37 public abstract class ByteOption extends DhcpOption 38 { 39 /** 40 * The byte value (represented as a short because of the unsignedness). 41 */ 42 private short byteValue; 43 44 45 /* 46 * @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[]) 47 */ 48 @Override 49 public void setData( byte[] data ) 50 { 51 byteValue = ( short ) ( data[0] & 0xff ); 52 } 53 54 55 /* 56 * @see org.apache.directory.server.dhcp.options.DhcpOption#getData() 57 */ 58 @Override 59 public byte[] getData() 60 { 61 return new byte[] 62 { ( byte ) ( byteValue & 0xff ) }; 63 } 64 65 66 public short getByteValue() 67 { 68 return byteValue; 69 } 70 71 72 public void setShortValue( short shortValue ) 73 { 74 this.byteValue = shortValue; 75 } 76 }