/**

  * This file is part of the equanda project.

  *

  * The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at http://www.mozilla.org/MPL/

  *

  * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF

  * ANY KIND, either express or implied. See the License for the specific language governing rights and

  * limitations under the License.

  *

  * Alternatively, the contents of this file may be used under the terms of

  * either the GNU General Public License Version 2 or later (the "GPL"), or

  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

  * in which case the provisions of the GPL or the LGPL are applicable instead

  * of those above. If you wish to allow use of your version of this file only

  * under the terms of either the GPL or the LGPL, and not to allow others to

  * use your version of this file under the terms of the MPL, indicate your

  * decision by deleting the provisions above and replace them with the notice

  * and other provisions required by the GPL or the LGPL. If you do not delete

  * the provisions above, a recipient may use your version of this file under

  * the terms of any one of the MPL, the GPL or the LGPL.

  */

 package org.equanda.tapestry5.components;

 import org.apache.tapestry5.ValidationTracker;

 import org.apache.tapestry5.annotations.Environmental;

 import org.apache.tapestry5.ioc.annotations.Inject;

 import org.apache.tapestry5.services.Environment;

 import org.equanda.tapestry5.data.MessageContainer;

 /**

  * Delegate for the validation tracker. Allows putting exceptions in the validation tracker even when the tracker did

  * not yet exist (as is the case in surrounding components or at page level).

  *

  * @author <a href="mailto:joachim@progs.be">Joachim Van der Auwera</a>

  */

 public class ValidationTrackerDelegate

 {

     @Inject

     private Environment environment;

     @Environmental

     private ValidationTracker validationTracker;

     boolean beginRender()

     {

         MessageContainer mc = environment.peek( MessageContainer.class );

         if ( mc != null )

         {

             validationTracker.recordError( mc.getMessage() );

         }

         return false;

     }

 }