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1   /**
2    * Copyright 2011-2012 The Kuali Foundation Licensed under the Educational
3    * Community License, Version 2.0 (the "License"); you may not use this file
4    * except in compliance with the License. You may obtain a copy of the License
5    * at
6    *
7    * http://www.osedu.org/licenses/ECL-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12   * License for the specific language governing permissions and limitations under
13   * the License.
14   */
15  package org.kuali.mobility.news.util;
16  
17  import org.kuali.mobility.news.entity.NewsSource;
18  
19  import java.util.Comparator;
20  
21  /**
22   * An interface for a contract for interacting with the news entity objects.
23   *
24   * @author Kuali Mobility Team (mobility.dev@kuali.org)
25   */
26  public class NewsServiceSort implements Comparator<NewsSource> {
27      @Override
28      public int compare(NewsSource a, NewsSource b) {
29          int comp;
30          if( null == a ) {
31              comp = -42;
32          } else if( null == b ) {
33              comp = 42;
34          } else {
35              comp = a.getOrder() - b.getOrder();
36              if( comp == 0 && a.getTitle() != null && b.getTitle() != null) {
37                  comp = a.getTitle().compareTo(b.getTitle());
38              }
39          }
40          return comp;
41      }
42  }