/**

  * 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.translators;

 import org.apache.tapestry5.Translator;

 import org.apache.tapestry5.ValidationException;

 import org.apache.tapestry5.ioc.Messages;

 /**

  * Tapestry translator for boolean values

  * 

  * @author <a href="mailto:vladimir.tkachenko@gmail.com">Vladimir Tkachenko</a>

  */

 public class BooleanTranslator

     implements Translator<Boolean>

 {

     /**

      * Parses the client value to a boolean

      * 

      * @throws ValidationException if the clientValue can not be parsed

      */

     public Boolean parseClient( String clientValue, Messages messages ) throws ValidationException

     {

         try

         {

             return new Boolean( clientValue );

         }

         catch ( Exception ex )

         {

             throw new ValidationException( String.format( "The input value '%s' is not parseable as an boolean value.",

                     clientValue ) );

         }

     }

     /**

      * Converts null to the false, non-null to a string representation.

      */

     public String toClient( Boolean value )

     {

         return value == null ? "false" : value.toString();

     }

     public Class<Boolean> getType()

     {

         return Boolean.class;

     }

 }