001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with this 004 * work for additional information regarding copyright ownership. The ASF 005 * licenses this file to you under the Apache License, Version 2.0 (the 006 * "License"); you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 013 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 014 * License for the specific language governing permissions and limitations under 015 * the License. 016 * 017 */ 018 019 package org.apache.directory.server.dhcp.options; 020 021 /** 022 * The Dynamic Host Configuration Protocol (DHCP) provides a framework for 023 * passing configuration information to hosts on a TCP/IP network. Configuration 024 * parameters and other control information are carried in tagged data items 025 * that are stored in the 'options' field of the DHCP message. The data items 026 * themselves are also called "options." 027 * 028 * This abstract base class is for options that carry a short value (16 bit). 029 * 030 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 031 * @version $Rev: 551805 $, $Date: 2007-06-29 00:57:04 -0500 (Fr, 29 Jun 2007) $ 032 */ 033 public abstract class IntOption extends DhcpOption { 034 /** 035 * The int value (represented as a long because of the unsignedness). 036 */ 037 private long intValue; 038 039 /* 040 * @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[]) 041 */ 042 public void setData(byte[] data) { 043 intValue = (data[0] & 0xff) << 24 | (data[1] & 0xff) << 16 044 | (data[2] & 0xff) << 8 | (data[3] & 0xff); 045 } 046 047 /* 048 * @see org.apache.directory.server.dhcp.options.DhcpOption#getData() 049 */ 050 public byte[] getData() { 051 return new byte[]{(byte) (intValue >> 24 & 0xff), 052 (byte) (intValue >> 16 & 0xff), (byte) (intValue >> 8 & 0xff), 053 (byte) (intValue & 0xff)}; 054 } 055 056 public long getIntValue() { 057 return intValue; 058 } 059 060 public void setIntValue(long intValue) { 061 this.intValue = intValue; 062 } 063 }