/* | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreements. See the NOTICE file distributed with this | |
* work for additional information regarding copyright ownership. The ASF | |
* licenses this file to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | |
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | |
* License for the specific language governing permissions and limitations under | |
* the License. | |
* | |
*/ | |
package org.apache.directory.server.dhcp.options; | |
/** | |
* The Dynamic Host Configuration Protocol (DHCP) provides a framework for | |
* passing configuration information to hosts on a TCP/IP network. Configuration | |
* parameters and other control information are carried in tagged data items | |
* that are stored in the 'options' field of the DHCP message. The data items | |
* themselves are also called "options." | |
* | |
* This abstract base class is for options that carry a short value (16 bit). | |
* | |
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> | |
* @version $Rev: 551805 $, $Date: 2007-06-29 00:57:04 -0500 (Fr, 29 Jun 2007) $ | |
*/ | |
public abstract class IntOption extends DhcpOption { | |
/** | |
* The int value (represented as a long because of the unsignedness). | |
*/ | |
private long intValue; | |
/* | |
* @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[]) | |
*/ | |
public void setData(byte[] data) { | |
intValue = (data[0] & 0xff) << 24 | (data[1] & 0xff) << 16 | |
| (data[2] & 0xff) << 8 | (data[3] & 0xff); | |
} | |
/* | |
* @see org.apache.directory.server.dhcp.options.DhcpOption#getData() | |
*/ | |
public byte[] getData() { | |
return new byte[]{(byte) (intValue >> 24 & 0xff), | |
(byte) (intValue >> 16 & 0xff), (byte) (intValue >> 8 & 0xff), | |
(byte) (intValue & 0xff)}; | |
} | |
public long getIntValue() { | |
return intValue; | |
} | |
public void setIntValue(long intValue) { | |
this.intValue = intValue; | |
} | |
} |