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 eu.etaxonomy.cdm.model.common.ReferencedEntityBase;
  14 import eu.etaxonomy.cdm.model.reference.Generic;
  15 import eu.etaxonomy.cdm.model.reference.ReferenceBase;
  16
  17 /**
  18  * @author p.ciardelli
  19  * @created 02.04.2009
  20  * @version 1.0
  21  */
  22 public class ReferenceUtil {
  23         /**
  24          * Returns the entity's citation. If none exists, gives the
  25          * entity a Generic citation.
  26          *
  27          * @param entity
  28          * @return
  29          */
  30         public static ReferenceBase<?> getOrCreateCitation(ReferencedEntityBase entity) {
  31                 ReferenceBase<?> citation = entity.getCitation();
  32                 if (citation == null) {
  33                         citation = Generic.NewInstance();
  34                         entity.setCitation(citation);
  35                 }
  36                 return citation;
  37         }
  38 }