/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.core.domain.util;
import java.util.Comparator;
/**
* The specification for what makes up an OSGi compliant version string and how they can be compared was taken from
* here:
* http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/osgi/org/osgi/framework/Version.html
*
* @author Charles Crouch
*
*/
public class OSGiVersionComparator implements Comparator<String> {
public OSGiVersionComparator() {
}
public int compare(String string1, String string2) {
OSGiVersion ver1 = new OSGiVersion(string1);
OSGiVersion ver2 = new OSGiVersion(string2);
return ver1.compareTo(ver2);
}
}