1 /**
2 * This file is part of the equanda project.
3 *
4 * The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
7 *
8 * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
9 * ANY KIND, either express or implied. See the License for the specific language governing rights and
10 * limitations under the License.
11 *
12 * Alternatively, the contents of this file may be used under the terms of
13 * either the GNU General Public License Version 2 or later (the "GPL"), or
14 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
15 * in which case the provisions of the GPL or the LGPL are applicable instead
16 * of those above. If you wish to allow use of your version of this file only
17 * under the terms of either the GPL or the LGPL, and not to allow others to
18 * use your version of this file under the terms of the MPL, indicate your
19 * decision by deleting the provisions above and replace them with the notice
20 * and other provisions required by the GPL or the LGPL. If you do not delete
21 * the provisions above, a recipient may use your version of this file under
22 * the terms of any one of the MPL, the GPL or the LGPL.
23 */
24
25 package org.equanda.tapestry5.translators;
26
27 import org.apache.tapestry5.Translator;
28 import org.apache.tapestry5.ValidationException;
29 import org.apache.tapestry5.ioc.Messages;
30
31 /**
32 * Tapestry translator for boolean values
33 *
34 * @author <a href="mailto:vladimir.tkachenko@gmail.com">Vladimir Tkachenko</a>
35 */
36 public class BooleanTranslator
37 implements Translator<Boolean>
38 {
39 /**
40 * Parses the client value to a boolean
41 *
42 * @throws ValidationException if the clientValue can not be parsed
43 */
44 public Boolean parseClient( String clientValue, Messages messages ) throws ValidationException
45 {
46 try
47 {
48 return new Boolean( clientValue );
49 }
50 catch ( Exception ex )
51 {
52 throw new ValidationException( String.format( "The input value '%s' is not parseable as an boolean value.",
53 clientValue ) );
54 }
55 }
56
57 /**
58 * Converts null to the false, non-null to a string representation.
59 */
60 public String toClient( Boolean value )
61 {
62 return value == null ? "false" : value.toString();
63 }
64
65 public Class<Boolean> getType()
66 {
67 return Boolean.class;
68 }
69 }