/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.
*/
package org.olat.modules.wiki;
import java.util.Comparator;
/**
* Description:<br>
* Class to sort wiki pages either by alphabetical order or by modification time order
* <P>
* Initial Date: Jun 8, 2006 <br>
*
* @author guido
*/
public class WikiPageSort {
/**
* use this comparator if you like a list of sorted pages by pageName
*/
protected static final Comparator<WikiPage> PAGENAME_ORDER = new Comparator<WikiPage>() {
public int compare(WikiPage p1, WikiPage p2) {
return p1.getPageName().compareTo(p2.getPageName());
}
};
/**
* use this comparator if you like a list of sorted pages by mod time
*/
protected static final Comparator<WikiPage> MODTIME_ORDER = new Comparator<WikiPage>() {
public int compare(WikiPage p1, WikiPage p2) {
// the "-" in from of the Long return negative int and therefore realizes an descending order
return - Long.valueOf(p1.getModificationTime()).compareTo(Long.valueOf(p2.getModificationTime()));
}
};
}