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.eclipse.jface.viewers.ICellEditorValidator;
  13
  14 import eu.etaxonomy.taxeditor.store.model.TimeUtil;
  15
  16 /**
  17  * @author p.ciardelli
  18  * @created 10.11.2008
  19  * @version 1.0
  20  */
  21 public class YearValidator implements ICellEditorValidator {
  22
  23         /* (non-Javadoc)
  24          * @see org.eclipse.jface.viewers.ICellEditorValidator#isValid(java.lang.Object)
  25          */
  26         public String isValid(Object value) {
  27                 String year = (String) value;
  28                 if (year.equals("")) {
  29                         return null;
  30                 }
  31                 try {
  32                         TimeUtil.convertTimePeriod(year);
  33                 } catch (NumberFormatException e) {
  34                         return "Year must be between 1750 and 2030. Two years can also be given in the format 'xxxx-xxxx'.";
  35                 }
  36                 return null;
  37         }
  38 }