taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/propertysheet/DayValidator.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 /**
  16  * @author p.ciardelli
  17  * @created 11.11.2008
  18  * @version 1.0
  19  */
  20 public class DayValidator implements ICellEditorValidator {
  21         private static final Logger logger = Logger.getLogger(DayValidator.class);
  22
  23         /* (non-Javadoc)
  24          * @see org.eclipse.jface.viewers.ICellEditorValidator#isValid(java.lang.Object)
  25          */
  26
  27         public String isValid(Object value) {
  28
  29                 String msg = "Value in day field must be an integer between 1-31.";
  30
  31                 if (((String) value).equals("")) {
  32                         return null;
  33                 }
  34
  35                 Integer day = 0;
  36                 try {
  37                         day = new Integer((String) value);
  38                 } catch (ClassCastException e) {
  39                         return msg;
  40                 } catch (NumberFormatException e) {
  41                         return msg;
  42                 }
  43
  44                 if (day == 0 || day > 31) {
  45                         return msg;
  46                 }
  47
  48                 return null;
  49         }
  50 }