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.components;
26
27 import org.apache.tapestry5.ValidationTracker;
28 import org.apache.tapestry5.annotations.Environmental;
29 import org.apache.tapestry5.ioc.annotations.Inject;
30 import org.apache.tapestry5.services.Environment;
31 import org.equanda.tapestry5.data.MessageContainer;
32
33 /**
34 * Delegate for the validation tracker. Allows putting exceptions in the validation tracker even when the tracker did
35 * not yet exist (as is the case in surrounding components or at page level).
36 *
37 * @author <a href="mailto:joachim@progs.be">Joachim Van der Auwera</a>
38 */
39 public class ValidationTrackerDelegate
40 {
41 @Inject
42 private Environment environment;
43
44 @Environmental
45 private ValidationTracker validationTracker;
46
47 boolean beginRender()
48 {
49 MessageContainer mc = environment.peek( MessageContainer.class );
50
51 if ( mc != null )
52 {
53 validationTracker.recordError( mc.getMessage() );
54 }
55
56 return false;
57 }
58 }