taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/propertysheet/YearValidator.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.propertysheet;
  11
  12 import org.apache.log4j.Logger;
  13 import org.eclipse.jface.viewers.ICellEditorValidator;
  14
  15 import eu.etaxonomy.cdm.model.common.TimePeriod;
  16 import eu.etaxonomy.taxeditor.store.model.TimeUtil;
  17
  18 /**
  19  * @author p.ciardelli
  20  * @created 10.11.2008
  21  * @version 1.0
  22  */
  23 public class YearValidator implements ICellEditorValidator {
  24         private static final Logger logger = Logger.getLogger(YearValidator.class);
  25
  26         /* (non-Javadoc)
  27          * @see org.eclipse.jface.viewers.ICellEditorValidator#isValid(java.lang.Object)
  28          */
  29         public String isValid(Object value) {
  30                 String year = (String) value;
  31                 if (year.equals("")) {
  32                         return null;
  33                 }
  34                 try {
  35                         TimePeriod datePublished = TimeUtil.convertTimePeriod(year);
  36                 } catch (NumberFormatException e) {
  37                         return "Year must be between 1750 and 2030. Two years can also be given in the format 'xxxx-xxxx'.";
  38                 }
  39                 return null;
  40         }
  41 }