taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/store/model/ReferenceUtil.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.store.model;
  12
  13 import org.apache.log4j.Logger;
  14
  15 import eu.etaxonomy.cdm.model.common.ReferencedEntityBase;
  16 import eu.etaxonomy.cdm.model.reference.Generic;
  17 import eu.etaxonomy.cdm.model.reference.ReferenceBase;
  18
  19 /**
  20  * @author p.ciardelli
  21  * @created 02.04.2009
  22  * @version 1.0
  23  */
  24 public class ReferenceUtil {
  25         private static final Logger logger = Logger
  26                         .getLogger(ReferenceUtil.class);
  27
  28         /**
  29          * Returns the entity's citation. If none exists, gives the
  30          * entity a Generic citation.
  31          *
  32          * @param entity
  33          * @return
  34          */
  35         public static ReferenceBase getOrCreateCitation(ReferencedEntityBase entity) {
  36                 ReferenceBase citation = entity.getCitation();
  37                 if (citation == null) {
  38                         citation = Generic.NewInstance();
  39                         entity.setCitation(citation);
  40                 }
  41                 return citation;
  42         }
  43 }