/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2008-2011 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.netmgt.config;
import java.io.Serializable;
import java.net.InetAddress;
import java.util.Comparator;
import org.opennms.core.utils.ByteArrayComparator;
import org.opennms.core.utils.InetAddressUtils;
import org.opennms.netmgt.config.snmp.Range;
/**
* Use this class to compare two castor generated Range objects from the SnmpConfig class.
*
* @author <a href="mailto:david@opennms.org">David Hustace</a>
*/
public class RangeComparator implements Comparator<Range>, Serializable {
private static final long serialVersionUID = -6090811413071744038L;
/**
* <p>compare</p>
*
* @param rng1 a {@link org.opennms.netmgt.config.common.Range} object.
* @param rng2 a {@link org.opennms.netmgt.config.common.Range} object.
* @return a int.
*/
public int compare(final Range rng1, final Range rng2) {
final InetAddress addr1 = InetAddressUtils.addr(rng1.getBegin());
final InetAddress addr2 = InetAddressUtils.addr(rng2.getBegin());
return new ByteArrayComparator().compare(addr1 == null? null : addr1.getAddress(), addr2 == null? null : addr2.getAddress());
}
}