1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with this 4 * work for additional information regarding copyright ownership. The ASF 5 * licenses this file to you under the Apache License, Version 2.0 (the 6 * "License"); you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 14 * License for the specific language governing permissions and limitations under 15 * the License. 16 * 17 */ 18 19 package org.apache.directory.server.dhcp.options; 20 21 /** 22 * The Dynamic Host Configuration Protocol (DHCP) provides a framework for 23 * passing configuration information to hosts on a TCP/IP network. Configuration 24 * parameters and other control information are carried in tagged data items 25 * that are stored in the 'options' field of the DHCP message. The data items 26 * themselves are also called "options." 27 * 28 * This abstract base class is for options that carry a short value (16 bit). 29 * 30 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 31 * @version $Rev: 551805 $, $Date: 2007-06-29 00:57:04 -0500 (Fr, 29 Jun 2007) $ 32 */ 33 public abstract class IntOption extends DhcpOption { 34 /** 35 * The int value (represented as a long because of the unsignedness). 36 */ 37 private long intValue; 38 39 /* 40 * @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[]) 41 */ 42 public void setData(byte[] data) { 43 intValue = (data[0] & 0xff) << 24 | (data[1] & 0xff) << 16 44 | (data[2] & 0xff) << 8 | (data[3] & 0xff); 45 } 46 47 /* 48 * @see org.apache.directory.server.dhcp.options.DhcpOption#getData() 49 */ 50 public byte[] getData() { 51 return new byte[]{(byte) (intValue >> 24 & 0xff), 52 (byte) (intValue >> 16 & 0xff), (byte) (intValue >> 8 & 0xff), 53 (byte) (intValue & 0xff)}; 54 } 55 56 public long getIntValue() { 57 return intValue; 58 } 59 60 public void setIntValue(long intValue) { 61 this.intValue = intValue; 62 } 63 }