org.sakaiproject.tool.messageforums.AuthzGroupComparator.java Source code

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Here is the source code for org.sakaiproject.tool.messageforums.AuthzGroupComparator.java

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/**********************************************************************************
 * $URL$
 * $Id$
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 *
 * 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.authz.api.Role;

public class AuthzGroupComparator implements Comparator {

    private static 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 AuthzGroupComparator(String property, boolean ascending) {
        m_property = property;
        m_ascending = ascending;

    } // AComparator

    public int compare(Object o1, Object o2) {
        int rv = 0;

        String t1 = ((Role) o1).getId();
        String t2 = ((Role) o2).getId();

        rv = t1.compareTo(t2);

        if (!m_ascending)
            rv = -rv;

        return rv;
    }
}