Java tutorial
/********************************************************************************** * $URL$ * $Id$ *********************************************************************************** * * Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation * * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.tool.messageforums; import java.util.Comparator; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.sakaiproject.entity.api.EntityPropertyNotDefinedException; import org.sakaiproject.entity.api.EntityPropertyTypeException; import org.sakaiproject.site.api.Group; public class GroupComparator implements Comparator { private Log LOG = LogFactory.getLog(DiscussionForumTool.class); private String m_property = null; private boolean m_ascending = true; /** * Construct. * * @param property * The property name used for the sort. * @param asc * true if the sort is to be ascending (false for descending). */ public GroupComparator(String property, boolean ascending) { m_property = property; m_ascending = ascending; } // GroupsComparator public int compare(Object o1, Object o2) { int rv = 0; String t1 = ((Group) o1).getTitle(); String t2 = ((Group) o2).getTitle(); rv = t1.compareTo(t2); if (!m_ascending) rv = -rv; return rv; } }