edu.internet2.middleware.subject.provider.LdapComparator.java Source code

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Here is the source code for edu.internet2.middleware.subject.provider.LdapComparator.java

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/* ========================================================================
 * Copyright (c) 2009 The University of Washington
 *
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-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.
 * ========================================================================
 */

/*
   simple subject comparator
*/

package edu.internet2.middleware.subject.provider;

import java.util.HashMap;
import java.util.Map;
import java.util.Comparator;

import edu.internet2.middleware.subject.Subject;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class LdapComparator implements Comparator {

    private static Log log = LogFactory.getLog(LdapComparator.class);

    public LdapComparator() {
        super();
    }

    public int compare(Object so0, Object so1) {

        try {

            Subject s0 = (Subject) so0;
            Subject s1 = (Subject) so1;
            String s0d = s0.getDescription();
            String s1d = s1.getDescription();

            // log.debug("comparing " + s0d + " to " + s1d);
            return s0d.compareTo(s1d);
        } catch (Exception e) {
            log.debug("exception " + e);
        }
        return (1);
    }
}